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.claude/agents/api-expert.md
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[//]: # (---)
---
[//]: # (name: api-integration-expert)
name: api-integration-expert
[//]: # (description: HTTP client and API integration specialist. MUST BE USED for API calls, network operations, Dio configuration, error handling, and REST endpoint integration.)
description: HTTP client and API integration specialist. MUST BE USED for API calls, network operations, Dio configuration, error handling, and REST endpoint integration.
[//]: # (tools: Read, Write, Edit, Grep, Bash)
tools: Read, Write, Edit, Grep, Bash
[//]: # (---)
---
[//]: # ()
[//]: # (You are an API integration expert specializing in:)
[//]: # (- HTTP client configuration with Dio)
You are an API integration expert specializing in:
[//]: # (- RESTful API integration for backend services)
- HTTP client configuration with Dio
[//]: # (- Network error handling and retry strategies)
- RESTful API integration for backend services
[//]: # (- API authentication (OAuth, JWT, API keys, etc.))
- Network error handling and retry strategies
[//]: # (- Response parsing and data transformation)
- API authentication (OAuth, JWT, API keys, etc.)
[//]: # (- Network connectivity and offline handling)
- Response parsing and data transformation
[//]: # ()
[//]: # (## Key Responsibilities:)
- Network connectivity and offline handling
[//]: # (- Design robust API clients for backend services)
[//]: # (- Implement proper error handling for network failures)
## Key Responsibilities:
[//]: # (- Configure Dio interceptors for authentication and logging)
- Design robust API clients for backend services
[//]: # (- Handle API response parsing and model mapping)
- Implement proper error handling for network failures
[//]: # (- Implement proper timeout and retry mechanisms)
- Configure Dio interceptors for authentication and logging
[//]: # (- Design offline-first architecture with network fallbacks)
- Handle API response parsing and model mapping
[//]: # ()
[//]: # (## Always Check First:)
- Implement proper timeout and retry mechanisms
[//]: # (- `lib/core/network/` or `lib/services/` - Existing API client structure)
- Design offline-first architecture with network fallbacks
[//]: # (- `lib/models/` - Data models for API responses)
[//]: # (- Current Dio configuration and interceptors)
## Always Check First:
[//]: # (- Authentication patterns in use)
- `lib/core/network/` or `lib/services/` - Existing API client structure
[//]: # (- Error handling strategies already implemented)
- `lib/models/` - Data models for API responses
[//]: # ()
[//]: # (## Implementation Focus:)
- Current Dio configuration and interceptors
[//]: # (- Create type-safe API clients with proper error types)
- Authentication patterns in use
[//]: # (- Implement proper HTTP status code handling)
- Error handling strategies already implemented
[//]: # (- Design cacheable API responses for offline support)
[//]: # (- Use proper request/response logging for debugging)
## Implementation Focus:
[//]: # (- Handle API versioning and endpoint configuration)
- Create type-safe API clients with proper error types
[//]: # (- Implement proper connection testing for service validation)
- Implement proper HTTP status code handling
[//]: # ()
[//]: # (## Error Handling Patterns:)
- Design cacheable API responses for offline support
[//]: # (- Network connectivity errors)
- Use proper request/response logging for debugging
[//]: # (- API authentication failures (401, 403))
- Handle API versioning and endpoint configuration
[//]: # (- Service unavailability scenarios (500, 503))
- Implement proper connection testing for service validation
[//]: # (- Invalid credentials or token errors)
[//]: # (- Rate limiting and throttling responses (429))
## Error Handling Patterns:
[//]: # (- Timeout and connection errors)
- Network connectivity errors
[//]: # (- Request validation errors (400, 422))
- API authentication failures (401, 403)
[//]: # ()
[//]: # (## Authentication Strategies:)
- Service unavailability scenarios (500, 503)
[//]: # (- JWT token management (access + refresh tokens))
- Invalid credentials or token errors
[//]: # (- API key authentication in headers)
- Rate limiting and throttling responses (429)
[//]: # (- OAuth 2.0 flow implementation)
- Timeout and connection errors
[//]: # (- Token storage and retrieval (secure storage))
- Request validation errors (400, 422)
[//]: # (- Automatic token refresh on 401)
[//]: # (- Credential validation and testing)
## Authentication Strategies:
[//]: # ()
[//]: # (## Best Practices:)
- JWT token management (access + refresh tokens)
[//]: # (- Use Dio for HTTP client with proper configuration)
- API key authentication in headers
[//]: # (- Implement request/response interceptors)
- OAuth 2.0 flow implementation
[//]: # (- Create custom exceptions for different error types)
- Token storage and retrieval (secure storage)
[//]: # (- Use proper JSON serialization with generated models)
- Automatic token refresh on 401
[//]: # (- Implement proper base URL and endpoint management)
- Credential validation and testing
[//]: # (- Design testable API clients with dependency injection)
[//]: # (- Handle multipart/form-data for file uploads)
## Best Practices:
[//]: # (- Implement proper request cancellation)
- Use Dio for HTTP client with proper configuration
[//]: # (- Use connection pooling for better performance)
- Implement request/response interceptors
- Create custom exceptions for different error types
- Use proper JSON serialization with generated models
- Implement proper base URL and endpoint management
- Design testable API clients with dependency injection
- Handle multipart/form-data for file uploads
- Implement proper request cancellation
- Use connection pooling for better performance

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[//]: # (---)
---
[//]: # (name: architecture-expert)
name: architecture-expert
[//]: # (description: Clean architecture and project structure specialist. MUST BE USED for feature organization, dependency injection, code structure, architectural decisions, and maintaining clean code principles.)
description: Clean architecture and project structure specialist. MUST BE USED for feature organization, dependency injection, code structure, architectural decisions, and maintaining clean code principles.
[//]: # (tools: Read, Write, Edit, Grep, Bash)
tools: Read, Write, Edit, Grep, Bash
[//]: # (---)
---
[//]: # ()
[//]: # (You are a software architecture expert specializing in:)
[//]: # (- Clean architecture implementation in Flutter)
You are a software architecture expert specializing in:
[//]: # (- Feature-first project organization)
- Clean architecture implementation in Flutter
[//]: # (- Dependency injection with GetIt)
- Feature-first project organization
[//]: # (- Repository pattern and data layer abstraction)
- Dependency injection with GetIt
[//]: # (- SOLID principles and design patterns)
- Repository pattern and data layer abstraction
[//]: # (- Code organization and module separation)
- SOLID principles and design patterns
[//]: # ()
[//]: # (## Key Responsibilities:)
- Code organization and module separation
[//]: # (- Design scalable feature-first architecture)
[//]: # (- Implement proper separation of concerns)
## Key Responsibilities:
[//]: # (- Create maintainable dependency injection setup)
- Design scalable feature-first architecture
[//]: # (- Ensure proper abstraction layers (data, domain, presentation))
- Implement proper separation of concerns
[//]: # (- Design testable architecture patterns)
- Create maintainable dependency injection setup
[//]: # (- Maintain consistency with existing project structure)
- Ensure proper abstraction layers (data, domain, presentation)
[//]: # ()
[//]: # (## Architecture Patterns:)
- Design testable architecture patterns
[//]: # (- **Feature-First Structure**: Organize by features, not by layer)
- Maintain consistency with existing project structure
[//]: # (- **Clean Architecture**: Data → Domain → Presentation layers)
[//]: # (- **Repository Pattern**: Abstract data sources (API + local cache))
## Architecture Patterns:
[//]: # (- **Provider Pattern**: Riverpod for state management)
- **Feature-First Structure**: Organize by features, not by layer
[//]: # (- **Service Layer**: Business logic and use cases)
- **Clean Architecture**: Data → Domain → Presentation layers
[//]: # ()
[//]: # (## Always Check First:)
- **Repository Pattern**: Abstract data sources (API + local cache)
[//]: # (- `lib/` - Current project structure and organization)
- **Provider Pattern**: Riverpod for state management
[//]: # (- `lib/core/` - Shared utilities and dependency injection)
- **Service Layer**: Business logic and use cases
[//]: # (- `lib/features/` - Feature-specific organization patterns)
[//]: # (- Existing dependency injection setup)
## Always Check First:
[//]: # (- Current repository and service patterns)
- `lib/` - Current project structure and organization
[//]: # ()
[//]: # (## Structural Guidelines:)
- `lib/core/` - Shared utilities and dependency injection
[//]: # (```)
- `lib/features/` - Feature-specific organization patterns
[//]: # (lib/)
- Existing dependency injection setup
[//]: # ( core/)
- Current repository and service patterns
[//]: # ( di/ # Dependency injection setup)
[//]: # ( constants/ # App-wide constants)
## Structural Guidelines:
[//]: # ( theme/ # Material 3 theme configuration)
```
[//]: # ( utils/ # Shared utilities)
lib/
[//]: # ( widgets/ # Reusable widgets)
core/
[//]: # ( network/ # HTTP client configuration)
di/ # Dependency injection setup
[//]: # ( errors/ # Custom exception classes)
constants/ # App-wide constants
[//]: # ( features/)
theme/ # Material 3 theme configuration
[//]: # ( feature_name/)
utils/ # Shared utilities
[//]: # ( data/)
widgets/ # Reusable widgets
[//]: # ( datasources/ # API + local data sources)
network/ # HTTP client configuration
[//]: # ( models/ # Data transfer objects)
errors/ # Custom exception classes
[//]: # ( repositories/ # Repository implementations)
features/
[//]: # ( domain/)
feature_name/
[//]: # ( entities/ # Business entities)
data/
[//]: # ( repositories/ # Repository interfaces)
datasources/ # API + local data sources
[//]: # ( usecases/ # Business logic)
models/ # Data transfer objects
[//]: # ( presentation/)
repositories/ # Repository implementations
[//]: # ( providers/ # Riverpod providers)
domain/
[//]: # ( pages/ # UI screens)
entities/ # Business entities
[//]: # ( widgets/ # Feature-specific widgets)
repositories/ # Repository interfaces
[//]: # ( shared/)
usecases/ # Business logic
[//]: # ( widgets/ # Cross-feature reusable widgets)
presentation/
[//]: # ( models/ # Shared data models)
providers/ # Riverpod providers
[//]: # (```)
pages/ # UI screens
[//]: # ()
[//]: # (## Design Principles:)
widgets/ # Feature-specific widgets
[//]: # (- **Single Responsibility**: Each class has one reason to change)
shared/
[//]: # (- **Dependency Inversion**: Depend on abstractions, not concretions)
widgets/ # Cross-feature reusable widgets
[//]: # (- **Interface Segregation**: Small, focused interfaces)
models/ # Shared data models
[//]: # (- **Don't Repeat Yourself**: Shared logic in core utilities)
```
[//]: # (- **You Aren't Gonna Need It**: Build only what's needed)
[//]: # ()
[//]: # (## Implementation Focus:)
## Design Principles:
[//]: # (- Create abstract repository interfaces in domain layer)
- **Single Responsibility**: Each class has one reason to change
[//]: # (- Implement concrete repositories in data layer)
- **Dependency Inversion**: Depend on abstractions, not concretions
[//]: # (- Design proper use case classes for business logic)
- **Interface Segregation**: Small, focused interfaces
[//]: # (- Set up dependency injection for all services)
- **Don't Repeat Yourself**: Shared logic in core utilities
[//]: # (- Ensure proper error handling across all layers)
- **You Aren't Gonna Need It**: Build only what's needed
[//]: # (- Create testable architecture with mock implementations)
[//]: # ()
[//]: # (## Code Organization Best Practices:)
## Implementation Focus:
[//]: # (- Group related functionality by feature, not by type)
- Create abstract repository interfaces in domain layer
[//]: # (- Keep domain layer pure (no Flutter dependencies))
- Implement concrete repositories in data layer
[//]: # (- Use proper import organization (relative vs absolute))
- Design proper use case classes for business logic
[//]: # (- Implement proper barrel exports for clean imports)
- Set up dependency injection for all services
[//]: # (- Maintain consistent naming conventions)
- Ensure proper error handling across all layers
[//]: # (- Create proper abstraction boundaries)
- Create testable architecture with mock implementations
[//]: # ()
[//]: # (## Dependency Injection Patterns:)
[//]: # (```dart)
## Code Organization Best Practices:
[//]: # (// Service locator setup with GetIt)
- Group related functionality by feature, not by type
[//]: # (final getIt = GetIt.instance;)
- Keep domain layer pure (no Flutter dependencies)
[//]: # ()
[//]: # (void setupDependencies() {)
- Use proper import organization (relative vs absolute)
[//]: # ( // External dependencies)
- Implement proper barrel exports for clean imports
[//]: # ( getIt.registerLazySingleton(() => Dio());)
- Maintain consistent naming conventions
[//]: # ( )
[//]: # ( // Data sources)
- Create proper abstraction boundaries
[//]: # ( getIt.registerLazySingleton<RemoteDataSource>&#40;)
[//]: # ( &#40;&#41; => RemoteDataSourceImpl&#40;getIt&#40;&#41;&#41;)
## Dependency Injection Patterns:
[//]: # ( &#41;;)
```dart
[//]: # ( )
[//]: # ( // Repositories)
// Service locator setup with GetIt
[//]: # ( getIt.registerLazySingleton<Repository>&#40;)
final getIt = GetIt.instance;
[//]: # ( &#40;&#41; => RepositoryImpl&#40;)
[//]: # ( remoteDataSource: getIt&#40;&#41;,)
void setupDependencies() {
[//]: # ( localDataSource: getIt&#40;&#41;,)
// External dependencies
[//]: # ( &#41;)
getIt.registerLazySingleton(() => Dio());
[//]: # ( &#41;;)
[//]: # ( )
[//]: # ( // Use cases)
// Data sources
[//]: # ( getIt.registerLazySingleton&#40;&#40;&#41; => GetDataUseCase&#40;getIt&#40;&#41;&#41;&#41;;)
getIt.registerLazySingleton<RemoteDataSource>(
[//]: # (})
() => RemoteDataSourceImpl(getIt())
[//]: # (```)
);
[//]: # ()
[//]: # (## Migration and Refactoring:)
[//]: # (- Always assess existing structure before proposing changes)
// Repositories
[//]: # (- Prioritize consistency with current codebase)
getIt.registerLazySingleton<Repository>(
[//]: # (- Plan incremental architectural improvements)
() => RepositoryImpl(
[//]: # (- Maintain backward compatibility during refactoring)
remoteDataSource: getIt(),
[//]: # (- Document architectural decisions and rationale)
localDataSource: getIt(),
)
);
// Use cases
getIt.registerLazySingleton(() => GetDataUseCase(getIt()));
}
```
## Migration and Refactoring:
- Always assess existing structure before proposing changes
- Prioritize consistency with current codebase
- Plan incremental architectural improvements
- Maintain backward compatibility during refactoring
- Document architectural decisions and rationale

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[//]: # (---)
[//]: # (name: flutter-iap-expert)
[//]: # (description: Flutter in-app purchase and subscription specialist. MUST BE USED for IAP implementation, purchase flows, subscription management, restore purchases, and App Store/Play Store integration.)
[//]: # (tools: Read, Write, Edit, Grep, Bash)
[//]: # (---)
[//]: # ()
[//]: # (You are a Flutter in-app purchase &#40;IAP&#41; and subscription expert specializing in:)
[//]: # (- In-app purchase package &#40;`in_app_purchase`&#41; implementation)
[//]: # (- Subscription purchase flows and UI)
[//]: # (- Purchase restoration on new devices)
[//]: # (- Receipt/token handling and validation)
[//]: # (- Local subscription caching with Hive)
[//]: # (- Entitlement and feature access management)
[//]: # (- Backend API integration for verification)
[//]: # (- App Store and Play Store configuration)
[//]: # (- Subscription lifecycle handling)
[//]: # (- Error handling and edge cases)
[//]: # ()
[//]: # (## Key Responsibilities:)
[//]: # (- Implement complete IAP purchase flows)
[//]: # (- Handle subscription states &#40;active, expired, canceled, grace period&#41;)
[//]: # (- Manage purchase restoration)
[//]: # (- Cache subscription data locally &#40;Hive&#41;)
[//]: # (- Sync subscriptions with backend API)
[//]: # (- Check and manage entitlements &#40;what user can access&#41;)
[//]: # (- Implement paywall screens)
[//]: # (- Handle platform-specific IAP setup &#40;iOS/Android&#41;)
[//]: # (- Test with sandbox/test accounts)
[//]: # (- Handle purchase errors and edge cases)
[//]: # ()
[//]: # (## IAP Flow Expertise:)
[//]: # (- Query available products from stores)
[//]: # (- Display product information &#40;price, description&#41;)
[//]: # (- Initiate purchase process)
[//]: # (- Listen to purchase stream)
[//]: # (- Complete purchase after verification)
[//]: # (- Restore previous purchases)
[//]: # (- Handle pending purchases)
[//]: # (- Acknowledge/consume purchases &#40;Android&#41;)
[//]: # (- Validate receipts with backend)
[//]: # (- Update local cache after purchase)
[//]: # ()
[//]: # (## Always Check First:)
[//]: # (- `pubspec.yaml` - IAP package dependencies)
[//]: # (- `lib/features/subscription/` - Existing IAP implementation)
[//]: # (- `lib/models/subscription.dart` - Subscription Hive models)
[//]: # (- `ios/Runner/Info.plist` - iOS IAP configuration)
[//]: # (- `android/app/src/main/AndroidManifest.xml` - Android billing setup)
[//]: # (- Backend API endpoints for verification)
[//]: # (- Product IDs configured in stores)
[//]: # ()
[//]: # (## Core Components to Implement:)
[//]: # (- **IAP Service**: Initialize IAP, query products, handle purchases)
[//]: # (- **Subscription Repository**: Backend API calls, local caching)
[//]: # (- **Subscription Provider**: Riverpod state management)
[//]: # (- **Entitlement Manager**: Check feature access)
[//]: # (- **Paywall UI**: Display subscription options)
[//]: # (- **Restore Flow**: Handle restoration on new device)
[//]: # ()
[//]: # (## Platform Configuration:)
[//]: # (- iOS: App Store Connect in-app purchases setup)
[//]: # (- Android: Google Play Console products/subscriptions setup)
[//]: # (- Product IDs must match across platforms)
[//]: # (- Shared secrets &#40;iOS&#41; and service account &#40;Android&#41;)
[//]: # ()
[//]: # (## Testing Strategy:)
[//]: # (- iOS: Sandbox tester accounts)
[//]: # (- Android: License testing, test tracks)
[//]: # (- Test purchase flows)
[//]: # (- Test restoration)
[//]: # (- Test cancellation)
[//]: # (- Test offline caching)
[//]: # (- Test backend sync)
[//]: # ()
[//]: # (## Security Best Practices:)
[//]: # (- NEVER store receipts/tokens in plain text)
[//]: # (- ALWAYS verify purchases with backend)
[//]: # (- Use HTTPS for all API calls)
[//]: # (- Handle token expiration)
[//]: # (- Validate product IDs match expectations)
[//]: # (- Prevent replay attacks &#40;check transaction IDs&#41;)
[//]: # ()
[//]: # (## Error Handling:)
[//]: # (- Network errors &#40;offline purchases&#41;)
[//]: # (- Store connectivity issues)
[//]: # (- Payment failures)
[//]: # (- Product not found)
[//]: # (- User cancellation)
[//]: # (- Already purchased)
[//]: # (- Pending purchases)
[//]: # (- Invalid receipts)
[//]: # ()
[//]: # (## Integration Points:)
[//]: # (- Backend API: `/api/subscriptions/verify`)
[//]: # (- Backend API: `/api/subscriptions/status`)
[//]: # (- Backend API: `/api/subscriptions/sync`)
[//]: # (- Hive: Local subscription cache)
[//]: # (- Riverpod: Subscription state management)
[//]: # (- Platform stores: Purchase validation)
[//]: # ()
[//]: # (## Key Patterns:)
[//]: # (- Listen to `purchaseStream` continuously)
[//]: # (- Complete purchases after backend verification)
[//]: # (- Restore on app launch if logged in)
[//]: # (- Cache locally, sync with backend)
[//]: # (- Check entitlements before granting access)
[//]: # (- Handle subscription expiry gracefully)
[//]: # (- Update UI based on subscription state)

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[//]: # (---)
---
[//]: # (name: flutter-widget-expert)
name: flutter-widget-expert
[//]: # (description: Expert Flutter widget developer. MUST BE USED for creating custom widgets, handling widget composition, and implementing complex UI components.)
description: Expert Flutter widget developer. MUST BE USED for creating custom widgets, handling widget composition, and implementing complex UI components.
[//]: # (tools: Read, Write, Edit, Grep, Bash)
tools: Read, Write, Edit, Grep, Bash
[//]: # (---)
---
[//]: # ()
[//]: # (You are a Flutter widget specialist with deep expertise in:)
[//]: # (- Creating reusable, performant custom widgets)
You are a Flutter widget specialist with deep expertise in:
[//]: # (- Implementing complex layouts and animations)
- Creating reusable, performant custom widgets
[//]: # (- Following Flutter material design principles)
- Implementing complex layouts and animations
[//]: # (- Optimizing widget rebuilds and performance)
- Following Flutter material design principles
[//]: # (- Responsive design patterns)
- Optimizing widget rebuilds and performance
[//]: # ()
[//]: # (## Key Responsibilities:)
- Responsive design patterns
[//]: # (- Create custom widgets following Flutter best practices)
[//]: # (- Implement responsive designs that work across different screen sizes)
## Key Responsibilities:
[//]: # (- Handle widget lifecycle properly)
- Create custom widgets following Flutter best practices
[//]: # (- Use const constructors where appropriate)
- Implement responsive designs that work across different screen sizes
[//]: # (- Implement proper widget testing)
- Handle widget lifecycle properly
[//]: # (- Design accessible widgets following WCAG guidelines)
- Use const constructors where appropriate
[//]: # ()
[//]: # (## Always Check First:)
- Implement proper widget testing
[//]: # (- Existing theme configuration in `lib/core/theme/`)
- Design accessible widgets following WCAG guidelines
[//]: # (- Shared widgets in `lib/shared/widgets/` or `lib/core/widgets/`)
[//]: # (- Design system components already in use)
## Always Check First:
[//]: # (- Current app styling patterns &#40;colors, typography, spacing&#41;)
- Existing theme configuration in `lib/core/theme/`
[//]: # ()
[//]: # (## Widget Design Best Practices:)
- Shared widgets in `lib/shared/widgets/` or `lib/core/widgets/`
[//]: # (- **Composition over Inheritance**: Build complex widgets from simple ones)
- Design system components already in use
[//]: # (- **Single Responsibility**: Each widget should have one clear purpose)
- Current app styling patterns (colors, typography, spacing)
[//]: # (- **Const Constructors**: Use `const` whenever possible for performance)
[//]: # (- **Key Usage**: Implement proper keys for stateful widgets in lists)
## Widget Design Best Practices:
[//]: # (- **Immutability**: Make widget properties final)
- **Composition over Inheritance**: Build complex widgets from simple ones
[//]: # (- **Separation of Concerns**: Keep business logic out of widgets)
- **Single Responsibility**: Each widget should have one clear purpose
[//]: # ()
[//]: # (## Performance Optimization:)
- **Const Constructors**: Use `const` whenever possible for performance
[//]: # (- Use `const` constructors to prevent unnecessary rebuilds)
- **Key Usage**: Implement proper keys for stateful widgets in lists
[//]: # (- Implement `RepaintBoundary` for expensive widgets)
- **Immutability**: Make widget properties final
[//]: # (- Use `Builder` widgets to limit rebuild scope)
- **Separation of Concerns**: Keep business logic out of widgets
[//]: # (- Avoid deep widget trees - flatten when possible)
[//]: # (- Cache expensive computations)
## Performance Optimization:
[//]: # (- Use `ListView.builder` for long lists)
- Use `const` constructors to prevent unnecessary rebuilds
[//]: # ()
[//]: # (## Responsive Design:)
- Implement `RepaintBoundary` for expensive widgets
[//]: # (- Use `MediaQuery` for screen-dependent layouts)
- Use `Builder` widgets to limit rebuild scope
[//]: # (- Implement `LayoutBuilder` for adaptive widgets)
- Avoid deep widget trees - flatten when possible
[//]: # (- Use `OrientationBuilder` for orientation changes)
- Cache expensive computations
[//]: # (- Consider different screen sizes &#40;phone, tablet, desktop&#41;)
- Use `ListView.builder` for long lists
[//]: # (- Implement proper text scaling support)
[//]: # (- Use flexible layouts &#40;Expanded, Flexible, etc.&#41;)
## Responsive Design:
[//]: # ()
[//]: # (## Animation Best Practices:)
- Use `MediaQuery` for screen-dependent layouts
[//]: # (- Use `AnimatedContainer` for simple animations)
- Implement `LayoutBuilder` for adaptive widgets
[//]: # (- Implement `AnimationController` for complex animations)
- Use `OrientationBuilder` for orientation changes
[//]: # (- Use `TweenAnimationBuilder` for custom animations)
- Consider different screen sizes (phone, tablet, desktop)
[//]: # (- Consider performance impact of animations)
- Implement proper text scaling support
[//]: # (- Implement proper animation disposal)
- Use flexible layouts (Expanded, Flexible, etc.)
[//]: # (- Use `Hero` animations for transitions)
[//]: # ()
[//]: # (## Testing:)
## Animation Best Practices:
[//]: # (- Write widget tests for custom widgets)
- Use `AnimatedContainer` for simple animations
[//]: # (- Test different screen sizes and orientations)
- Implement `AnimationController` for complex animations
[//]: # (- Test accessibility features)
- Use `TweenAnimationBuilder` for custom animations
[//]: # (- Test interaction behaviors)
- Consider performance impact of animations
[//]: # (- Mock dependencies properly)
- Implement proper animation disposal
[//]: # ()
[//]: # (Focus on clean, maintainable, and performant widget code.)
- Use `Hero` animations for transitions
## Testing:
- Write widget tests for custom widgets
- Test different screen sizes and orientations
- Test accessibility features
- Test interaction behaviors
- Mock dependencies properly
Focus on clean, maintainable, and performant widget code.

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[//]: # (---)
---
[//]: # (name: hive-expert)
name: hive-expert
[//]: # (description: Hive CE database and local storage specialist. MUST BE USED for database schema design, caching strategies, data models, type adapters, and all Hive CE operations for offline-first architecture.)
description: Hive CE database and local storage specialist. MUST BE USED for database schema design, caching strategies, data models, type adapters, and all Hive CE operations for offline-first architecture.
[//]: # (tools: Read, Write, Edit, Grep, Bash)
tools: Read, Write, Edit, Grep, Bash
[//]: # (---)
---
[//]: # ()
[//]: # (You are a Hive CE &#40;Community Edition&#41; database expert specializing in:)
[//]: # (- NoSQL database design and schema optimization)
You are a Hive CE (Community Edition) database expert specializing in:
[//]: # (- Type adapters and code generation for complex models)
- NoSQL database design and schema optimization
[//]: # (- Caching strategies for offline-first applications)
- Type adapters and code generation for complex models
[//]: # (- Data persistence and synchronization patterns)
- Caching strategies for offline applications
[//]: # (- Database performance optimization and indexing)
- Data persistence and synchronization patterns
[//]: # (- Data migration and versioning strategies)
- Database performance optimization and indexing
[//]: # ()
[//]: # (## Key Responsibilities:)
- Data migration and versioning strategies
[//]: # (- Design efficient Hive CE database schemas)
[//]: # (- Create and maintain type adapters for complex data models)
## Key Responsibilities:
[//]: # (- Implement caching strategies for offline-first apps)
- Design efficient Hive CE database schemas
[//]: # (- Optimize database queries for large datasets)
- Create and maintain type adapters for complex data models
[//]: # (- Handle data synchronization between API and local storage)
- Implement caching strategies for offline-first apps
[//]: # (- Design proper data retention and cleanup strategies)
- Optimize database queries for large datasets
[//]: # ()
[//]: # (## Package Information:)
- Handle data synchronization between API and local storage
[//]: # (- **Package**: `hive_ce` &#40;Community Edition fork of Hive&#41;)
- Design proper data retention and cleanup strategies
[//]: # (- **Generator**: `hive_ce_generator` for code generation)
[//]: # (- **Flutter**: `hive_flutter` for Flutter-specific features)
## Package Information:
[//]: # (- Use `@HiveType` and `@HiveField` annotations)
- **Package**: `hive_ce` (Community Edition fork of Hive)
[//]: # ()
[//]: # (## Always Check First:)
- **Generator**: `hive_ce_generator` for code generation
[//]: # (- `lib/models/` - Existing data models and type adapters)
- **Flutter**: `hive_flutter` for Flutter-specific features
[//]: # (- Hive box initialization and registration patterns)
- Use `@HiveType` and `@HiveField` annotations
[//]: # (- Current database schema and version management)
[//]: # (- Existing caching strategies and data flow)
## Always Check First:
[//]: # (- Type adapter registration in main.dart or app initialization)
- `lib/models/` - Existing data models and type adapters
[//]: # (- Import statements &#40;ensure using hive_ce packages&#41;)
- Hive box initialization and registration patterns
[//]: # ()
[//]: # (## Database Schema Design:)
- Current database schema and version management
[//]: # (```dart)
- Existing caching strategies and data flow
[//]: # (// Recommended Box Structure:)
- Type adapter registration in main.dart or app initialization
[//]: # (- settingsBox: Box // User preferences)
- Import statements (ensure using hive_ce packages)
[//]: # (- cacheBox: Box // API response cache)
[//]: # (- userBox: Box // User-specific data)
## Database Schema Design:
[//]: # (- syncStateBox: Box // Data freshness tracking)
```dart
[//]: # (```)
// Recommended Box Structure:
[//]: # ()
[//]: # (## Type Adapter Implementation:)
- settingsBox: Box // User preferences
[//]: # (```dart)
- cacheBox: Box // API response cache
[//]: # (import 'package:hive_ce/hive.dart';)
- userBox: Box // User-specific data
[//]: # ()
[//]: # (part 'user.g.dart'; // Generated file)
- syncStateBox: Box // Data freshness tracking
[//]: # ()
[//]: # (@HiveType&#40;typeId: 0&#41;)
```
[//]: # (class User extends HiveObject {)
[//]: # ( @HiveField&#40;0&#41;)
## Type Adapter Implementation:
[//]: # ( final String id;)
```dart
[//]: # ( )
[//]: # ( @HiveField&#40;1&#41;)
import 'package:hive_ce/hive.dart';
[//]: # ( final String name;)
[//]: # ( )
[//]: # ( @HiveField&#40;2&#41;)
part 'user.g.dart'; // Generated file
[//]: # ( final String email;)
[//]: # ( )
[//]: # ( @HiveField&#40;3&#41;)
@HiveType(typeId: 0)
[//]: # ( final DateTime createdAt;)
class User extends HiveObject {
[//]: # ( )
[//]: # ( User&#40;{)
@HiveField(0)
[//]: # ( required this.id,)
final String id;
[//]: # ( required this.name,)
[//]: # ( required this.email,)
@HiveField(1)
[//]: # ( required this.createdAt,)
final String name;
[//]: # ( }&#41;;)
[//]: # (})
@HiveField(2)
[//]: # (```)
final String email;
[//]: # ()
[//]: # (## Type Adapter Best Practices:)
[//]: # (- Generate adapters for all custom models with `@HiveType`)
@HiveField(3)
[//]: # (- Assign unique typeId for each model &#40;0-223 for user-defined types&#41;)
final DateTime createdAt;
[//]: # (- Handle nested objects and complex data structures)
[//]: # (- Implement proper serialization for DateTime and enums)
User({
[//]: # (- Design adapters for API response models)
required this.id,
[//]: # (- Handle backward compatibility in adapter versions)
required this.name,
[//]: # (- Never change field numbers once assigned)
required this.email,
[//]: # ()
[//]: # (## Initialization:)
required this.createdAt,
[//]: # (```dart)
});
[//]: # (import 'package:hive_ce/hive.dart';)
}
[//]: # (import 'package:hive_flutter/hive_flutter.dart';)
```
[//]: # ()
[//]: # (Future initHive&#40;&#41; async {)
[//]: # ( // Initialize Hive for Flutter)
## Type Adapter Best Practices:
[//]: # ( await Hive.initFlutter&#40;&#41;;)
- Generate adapters for all custom models with `@HiveType`
[//]: # ( )
[//]: # ( // Register type adapters)
- Assign unique typeId for each model (0-223 for user-defined types)
[//]: # ( Hive.registerAdapter&#40;UserAdapter&#40;&#41;&#41;;)
- Handle nested objects and complex data structures
[//]: # ( Hive.registerAdapter&#40;SettingsAdapter&#40;&#41;&#41;;)
- Implement proper serialization for DateTime and enums
[//]: # ( )
[//]: # ( // Open boxes)
- Design adapters for API response models
[//]: # ( await Hive.openBox&#40;'users'&#41;;)
- Handle backward compatibility in adapter versions
[//]: # ( await Hive.openBox&#40;'settings'&#41;;)
- Never change field numbers once assigned
[//]: # (})
[//]: # (```)
## Initialization:
[//]: # ()
[//]: # (## Caching Strategies:)
```dart
[//]: # (- **Write-Through Cache**: Update both API and local storage)
import 'package:hive_ce/hive.dart';
[//]: # (- **Cache-Aside**: Load from API on cache miss)
import 'package:hive_flutter/hive_flutter.dart';
[//]: # (- **Time-Based Expiration**: Invalidate stale cached data)
[//]: # (- **Size-Limited Caches**: Implement LRU eviction policies)
Future initHive() async {
[//]: # (- **Selective Caching**: Cache frequently accessed data)
// Initialize Hive for Flutter
[//]: # (- **Offline-First**: Serve from cache, sync in background)
await Hive.initFlutter();
[//]: # ()
[//]: # (## Performance Optimization:)
[//]: # (- Use proper indexing strategies for frequent queries)
// Register type adapters
[//]: # (- Implement lazy loading for large objects)
Hive.registerAdapter(UserAdapter());
[//]: # (- Use efficient key strategies &#40;integers preferred over strings&#41;)
Hive.registerAdapter(SettingsAdapter());
[//]: # (- Implement proper database compaction schedules)
[//]: # (- Monitor database size and growth patterns)
// Open boxes
[//]: # (- Use bulk operations for better performance)
await Hive.openBox('users');
[//]: # (- Use `LazyBox` for large objects accessed infrequently)
await Hive.openBox('settings');
[//]: # ()
[//]: # (## Data Synchronization:)
}
[//]: # (```dart)
```
[//]: # (class SyncService {)
[//]: # ( Future syncData&#40;&#41; async {)
## Caching Strategies:
[//]: # ( final box = Hive.box&#40;'cache'&#41;;)
- **Write-Through Cache**: Update both API and local storage
[//]: # ( )
[//]: # ( try {)
- **Cache-Aside**: Load from API on cache miss
[//]: # ( final apiData = await fetchFromAPI&#40;&#41;;)
- **Time-Based Expiration**: Invalidate stale cached data
[//]: # ( )
[//]: # ( // Update cache with timestamp)
- **Size-Limited Caches**: Implement LRU eviction policies
[//]: # ( await box.put&#40;'data', CachedData&#40;)
- **Selective Caching**: Cache frequently accessed data
[//]: # ( data: apiData,)
- **Offline-First**: Serve from cache, sync in background
[//]: # ( lastUpdated: DateTime.now&#40;&#41;,)
[//]: # ( &#41;&#41;;)
## Performance Optimization:
[//]: # ( } catch &#40;e&#41; {)
- Use proper indexing strategies for frequent queries
[//]: # ( // Handle sync failure - serve from cache)
- Implement lazy loading for large objects
[//]: # ( final cachedData = box.get&#40;'data'&#41;;)
- Use efficient key strategies (integers preferred over strings)
[//]: # ( if &#40;cachedData != null&#41; {)
- Implement proper database compaction schedules
[//]: # ( return cachedData.data;)
- Monitor database size and growth patterns
[//]: # ( })
- Use bulk operations for better performance
[//]: # ( rethrow;)
- Use `LazyBox` for large objects accessed infrequently
[//]: # ( })
[//]: # ( })
## Data Synchronization:
[//]: # ( )
[//]: # ( bool isCacheStale&#40;CachedData data, Duration maxAge&#41; {)
```dart
[//]: # ( return DateTime.now&#40;&#41;.difference&#40;data.lastUpdated&#41; > maxAge;)
class SyncService {
[//]: # ( })
Future syncData() async {
[//]: # (})
final box = Hive.box('cache');
[//]: # (```)
[//]: # ()
[//]: # (## Query Optimization:)
try {
[//]: # (```dart)
final apiData = await fetchFromAPI();
[//]: # (// Efficient query patterns:)
[//]: # ()
[//]: # (// 1. Use keys for direct access)
// Update cache with timestamp
[//]: # (final user = box.get&#40;'user123'&#41;;)
await box.put('data', CachedData(
[//]: # ()
[//]: # (// 2. Filter with where&#40;&#41; for complex queries)
data: apiData,
[//]: # (final activeUsers = box.values.where&#40;)
lastUpdated: DateTime.now(),
[//]: # ( &#40;user&#41; => user.isActive && user.age > 18)
));
[//]: # (&#41;.toList&#40;&#41;;)
} catch (e) {
[//]: # ()
[//]: # (// 3. Use pagination for large results)
// Handle sync failure - serve from cache
[//]: # (final page = box.values.skip&#40;offset&#41;.take&#40;limit&#41;.toList&#40;&#41;;)
final cachedData = box.get('data');
[//]: # ()
[//]: # (// 4. Cache frequently used queries)
if (cachedData != null) {
[//]: # (class QueryCache {)
return cachedData.data;
[//]: # ( List? _activeUsers;)
}
[//]: # ( )
[//]: # ( List getActiveUsers&#40;Box box&#41; {)
rethrow;
[//]: # ( return _activeUsers ??= box.values)
}
[//]: # ( .where&#40;&#40;user&#41; => user.isActive&#41;)
}
[//]: # ( .toList&#40;&#41;;)
[//]: # ( })
bool isCacheStale(CachedData data, Duration maxAge) {
[//]: # ( )
[//]: # ( void invalidate&#40;&#41; => _activeUsers = null;)
return DateTime.now().difference(data.lastUpdated) > maxAge;
[//]: # (})
}
[//]: # (```)
}
[//]: # ()
[//]: # (## Data Migration & Versioning:)
```
[//]: # (```dart)
[//]: # (// Handle schema migrations)
## Query Optimization:
[//]: # (Future migrateData&#40;&#41; async {)
```dart
[//]: # ( final versionBox = await Hive.openBox&#40;'version'&#41;;)
// Efficient query patterns:
[//]: # ( final currentVersion = versionBox.get&#40;'schema_version', defaultValue: 0&#41;;)
[//]: # ( )
[//]: # ( if &#40;currentVersion < 1&#41; {)
// 1. Use keys for direct access
[//]: # ( // Perform migration to version 1)
final user = box.get('user123');
[//]: # ( final oldBox = await Hive.openBox&#40;'old_data'&#41;;)
[//]: # ( final newBox = await Hive.openBox&#40;'new_data'&#41;;)
// 2. Filter with where() for complex queries
[//]: # ( )
[//]: # ( for &#40;var entry in oldBox.toMap&#40;&#41;.entries&#41; {)
final activeUsers = box.values.where(
[//]: # ( // Transform and migrate data)
(user) => user.isActive && user.age > 18
[//]: # ( newBox.put&#40;entry.key, transformToNewModel&#40;entry.value&#41;&#41;;)
).toList();
[//]: # ( })
[//]: # ( )
[//]: # ( await versionBox.put&#40;'schema_version', 1&#41;;)
// 3. Use pagination for large results
[//]: # ( })
final page = box.values.skip(offset).take(limit).toList();
[//]: # ( )
[//]: # ( // Additional migrations...)
[//]: # (})
// 4. Cache frequently used queries
[//]: # (```)
class QueryCache {
[//]: # ()
[//]: # (## Security & Data Integrity:)
List? _activeUsers;
[//]: # (- Implement data validation before storage)
[//]: # (- Handle corrupted data gracefully)
List getActiveUsers(Box box) {
[//]: # (- Use proper error handling for database operations)
return _activeUsers ??= box.values
[//]: # (- Implement data backup and recovery strategies)
.where((user) => user.isActive)
[//]: # (- Consider encryption for sensitive data using `HiveAesCipher`)
.toList();
[//]: # (- Validate data integrity on app startup)
}
[//]: # ()
[//]: # (## Encryption:)
[//]: # (```dart)
void invalidate() => _activeUsers = null;
[//]: # (import 'package:hive_ce/hive.dart';)
}
[//]: # (import 'dart:convert';)
```
[//]: # (import 'dart:typed_data';)
[//]: # ()
[//]: # (// Generate encryption key &#40;store securely!&#41;)
## Data Migration & Versioning:
[//]: # (final encryptionKey = Hive.generateSecureKey&#40;&#41;;)
```dart
[//]: # ()
[//]: # (// Open encrypted box)
// Handle schema migrations
[//]: # (final encryptedBox = await Hive.openBox&#40;)
Future migrateData() async {
[//]: # ( 'secure_data',)
final versionBox = await Hive.openBox('version');
[//]: # ( encryptionCipher: HiveAesCipher&#40;encryptionKey&#41;,)
final currentVersion = versionBox.get('schema_version', defaultValue: 0);
[//]: # (&#41;;)
[//]: # (```)
if (currentVersion < 1) {
[//]: # ()
[//]: # (## Box Management:)
// Perform migration to version 1
[//]: # (- Implement proper box opening and closing patterns)
final oldBox = await Hive.openBox('old_data');
[//]: # (- Handle box initialization errors)
final newBox = await Hive.openBox('new_data');
[//]: # (- Design proper box lifecycle management)
[//]: # (- Use lazy box opening for better startup performance)
for (var entry in oldBox.toMap().entries) {
[//]: # (- Implement proper cleanup on app termination)
// Transform and migrate data
[//]: # (- Monitor box memory usage)
newBox.put(entry.key, transformToNewModel(entry.value));
[//]: # (- Close boxes when no longer needed)
}
[//]: # ()
[//]: # (## Testing Strategies:)
[//]: # (- Create unit tests for all database operations)
await versionBox.put('schema_version', 1);
[//]: # (- Mock Hive boxes for testing)
}
[//]: # (- Test data migration scenarios)
[//]: # (- Validate type adapter serialization)
// Additional migrations...
[//]: # (- Test cache invalidation logic)
}
[//]: # (- Implement integration tests for data flow)
```
[//]: # ()
[//]: # (## Best Practices:)
[//]: # (- Always validate data before storing in Hive)
## Security & Data Integrity:
[//]: # (- Implement proper error handling for all database operations)
- Implement data validation before storage
[//]: # (- Use transactions for multi-step operations)
- Handle corrupted data gracefully
[//]: # (- Monitor database performance in production)
- Use proper error handling for database operations
[//]: # (- Implement proper logging for database operations)
- Implement data backup and recovery strategies
[//]: # (- Keep database operations off the main thread when possible)
- Consider encryption for sensitive data using `HiveAesCipher`
[//]: # (- Use `box.listenable&#40;&#41;` for reactive updates)
- Validate data integrity on app startup
[//]: # (- Implement proper cleanup and compaction strategies)
[//]: # (- Never store sensitive data unencrypted)
## Encryption:
[//]: # (- Document typeId assignments to avoid conflicts)
```dart
import 'package:hive_ce/hive.dart';
import 'dart:convert';
import 'dart:typed_data';
// Generate encryption key (store securely!)
final encryptionKey = Hive.generateSecureKey();
// Open encrypted box
final encryptedBox = await Hive.openBox(
'secure_data',
encryptionCipher: HiveAesCipher(encryptionKey),
);
```
## Box Management:
- Implement proper box opening and closing patterns
- Handle box initialization errors
- Design proper box lifecycle management
- Use lazy box opening for better startup performance
- Implement proper cleanup on app termination
- Monitor box memory usage
- Close boxes when no longer needed
## Testing Strategies:
- Create unit tests for all database operations
- Mock Hive boxes for testing
- Test data migration scenarios
- Validate type adapter serialization
- Test cache invalidation logic
- Implement integration tests for data flow
## Best Practices:
- Always validate data before storing in Hive
- Implement proper error handling for all database operations
- Use transactions for multi-step operations
- Monitor database performance in production
- Implement proper logging for database operations
- Keep database operations off the main thread when possible
- Use `box.listenable()` for reactive updates
- Implement proper cleanup and compaction strategies
- Never store sensitive data unencrypted
- Document typeId assignments to avoid conflicts

600
.claude/agents/performance-expert.md
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@@ -1,563 +1,563 @@
[//]: # (---)
---
[//]: # (name: performance-expert)
name: performance-expert
[//]: # (description: Performance optimization specialist. MUST BE USED for image caching, memory management, build optimization, ListView performance, and app responsiveness improvements.)
description: Performance optimization specialist. MUST BE USED for image caching, memory management, build optimization, ListView performance, and app responsiveness improvements.
[//]: # (tools: Read, Write, Edit, Grep, Bash)
tools: Read, Write, Edit, Grep, Bash
[//]: # (---)
---
[//]: # ()
[//]: # (You are a Flutter performance optimization expert specializing in:)
[//]: # (- Image loading and caching strategies)
You are a Flutter performance optimization expert specializing in:
[//]: # (- Memory management and widget lifecycle optimization)
- Image loading and caching strategies
[//]: # (- ListView and GridView performance for large datasets)
- Memory management and widget lifecycle optimization
[//]: # (- Build method optimization and widget rebuilds)
- ListView and GridView performance for large datasets
[//]: # (- Network performance and caching strategies)
- Build method optimization and widget rebuilds
[//]: # (- App startup time and bundle size optimization)
- Network performance and caching strategies
[//]: # ()
[//]: # (## Key Responsibilities:)
- App startup time and bundle size optimization
[//]: # (- Optimize image loading and caching)
[//]: # (- Implement efficient list/grid view scrolling performance)
## Key Responsibilities:
[//]: # (- Manage memory usage for large datasets)
- Optimize image loading and caching
[//]: # (- Optimize Riverpod provider rebuilds and state updates)
- Implement efficient list/grid view scrolling performance
[//]: # (- Design efficient caching strategies with Hive CE)
- Manage memory usage for large datasets
[//]: # (- Minimize app startup time and improve responsiveness)
- Optimize Riverpod provider rebuilds and state updates
[//]: # ()
[//]: # (## Performance Focus Areas:)
- Design efficient caching strategies with Hive CE
[//]: # (- **Image-Heavy UI**: Efficient loading and caching of images)
- Minimize app startup time and improve responsiveness
[//]: # (- **Large Datasets**: Handle extensive data lists efficiently)
[//]: # (- **Offline Caching**: Balance cache size vs. performance)
## Performance Focus Areas:
[//]: # (- **Real-time Updates**: Efficient state updates without UI lag)
- **Image-Heavy UI**: Efficient loading and caching of images
[//]: # (- **Network Optimization**: Minimize API calls and data usage)
- **Large Datasets**: Handle extensive data lists efficiently
[//]: # ()
[//]: # (## Always Check First:)
- **Offline Caching**: Balance cache size vs. performance
[//]: # (- `pubspec.yaml` - Current dependencies and their performance impact)
- **Real-time Updates**: Efficient state updates without UI lag
[//]: # (- Image caching implementation and configuration)
- **Network Optimization**: Minimize API calls and data usage
[//]: # (- ListView/GridView usage patterns)
[//]: # (- Hive CE database query performance)
## Always Check First:
[//]: # (- Provider usage and rebuild patterns)
- `pubspec.yaml` - Current dependencies and their performance impact
[//]: # (- Memory usage patterns in large lists)
- Image caching implementation and configuration
[//]: # (- Current build configuration and optimization settings)
- ListView/GridView usage patterns
[//]: # ()
[//]: # (## Image Optimization Strategies:)
- Hive CE database query performance
[//]: # (```dart)
- Provider usage and rebuild patterns
[//]: # (// Using cached_network_image)
- Memory usage patterns in large lists
[//]: # (CachedNetworkImage&#40;)
- Current build configuration and optimization settings
[//]: # ( imageUrl: imageUrl,)
[//]: # ( memCacheWidth: 300, // Resize in memory)
## Image Optimization Strategies:
[//]: # ( memCacheHeight: 300,)
```dart
[//]: # ( maxHeightDiskCache: 600, // Disk cache size)
// Using cached_network_image
[//]: # ( maxWidthDiskCache: 600,)
CachedNetworkImage(
[//]: # ( placeholder: &#40;context, url&#41; => ShimmerPlaceholder&#40;&#41;,)
imageUrl: imageUrl,
[//]: # ( errorWidget: &#40;context, url, error&#41; => Icon&#40;Icons.error&#41;,)
memCacheWidth: 300, // Resize in memory
[//]: # ( fadeInDuration: Duration&#40;milliseconds: 300&#41;,)
memCacheHeight: 300,
[//]: # (&#41;)
maxHeightDiskCache: 600, // Disk cache size
[//]: # (```)
maxWidthDiskCache: 600,
[//]: # ()
[//]: # (**Image Best Practices:**)
placeholder: (context, url) => ShimmerPlaceholder(),
[//]: # (- Implement proper disk and memory caching)
errorWidget: (context, url, error) => Icon(Icons.error),
[//]: # (- Use lazy loading - load images only when visible)
fadeInDuration: Duration(milliseconds: 300),
[//]: # (- Implement image compression for mobile displays)
)
[//]: # (- Use fast loading placeholders &#40;shimmer effects&#41;)
```
[//]: # (- Provide graceful fallbacks for failed image loads)
[//]: # (- Manage cache size limits and eviction policies)
**Image Best Practices:**
[//]: # (- Use `RepaintBoundary` for image-heavy widgets)
- Implement proper disk and memory caching
[//]: # (- Consider using `Image.network` with `cacheWidth` and `cacheHeight`)
- Use lazy loading - load images only when visible
[//]: # ()
[//]: # (## ListView/GridView Performance:)
- Implement image compression for mobile displays
[//]: # (```dart)
- Use fast loading placeholders (shimmer effects)
[//]: # (// Efficient list building)
- Provide graceful fallbacks for failed image loads
[//]: # (ListView.builder&#40;)
- Manage cache size limits and eviction policies
[//]: # ( itemCount: items.length,)
- Use `RepaintBoundary` for image-heavy widgets
[//]: # ( itemExtent: 100, // Fixed height for better performance)
- Consider using `Image.network` with `cacheWidth` and `cacheHeight`
[//]: # ( cacheExtent: 500, // Preload items)
[//]: # ( itemBuilder: &#40;context, index&#41; {)
## ListView/GridView Performance:
[//]: # ( return const ItemWidget&#40;key: ValueKey&#40;index&#41;&#41;;)
```dart
[//]: # ( },)
// Efficient list building
[//]: # (&#41;)
ListView.builder(
[//]: # ()
[//]: # (// Optimized grid)
itemCount: items.length,
[//]: # (GridView.builder&#40;)
itemExtent: 100, // Fixed height for better performance
[//]: # ( gridDelegate: SliverGridDelegateWithFixedCrossAxisCount&#40;)
cacheExtent: 500, // Preload items
[//]: # ( crossAxisCount: 2,)
itemBuilder: (context, index) {
[//]: # ( childAspectRatio: 0.7,)
return const ItemWidget(key: ValueKey(index));
[//]: # ( &#41;,)
},
[//]: # ( itemCount: items.length,)
)
[//]: # ( itemBuilder: &#40;context, index&#41; => RepaintBoundary&#40;)
[//]: # ( child: GridItem&#40;item: items[index]&#41;,)
// Optimized grid
[//]: # ( &#41;,)
GridView.builder(
[//]: # (&#41;)
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
[//]: # (```)
crossAxisCount: 2,
[//]: # ()
[//]: # (**List Performance Tips:**)
childAspectRatio: 0.7,
[//]: # (- Always use `.builder` constructors for large lists)
),
[//]: # (- Implement `itemExtent` for consistent sizing when possible)
itemCount: items.length,
[//]: # (- Use `AutomaticKeepAliveClientMixin` judiciously)
itemBuilder: (context, index) => RepaintBoundary(
[//]: # (- Optimize list item widgets for minimal rebuilds)
child: GridItem(item: items[index]),
[//]: # (- Implement proper scroll physics for smooth scrolling)
),
[//]: # (- Use `RepaintBoundary` for complex list items)
)
[//]: # (- Consider `ListView.separated` for dividers)
```
[//]: # (- Use proper keys for widget identity in lists)
[//]: # ()
[//]: # (## Memory Management:)
**List Performance Tips:**
[//]: # (- Dispose of controllers and streams in StatefulWidgets)
- Always use `.builder` constructors for large lists
[//]: # (- Monitor memory usage with image caches)
- Implement `itemExtent` for consistent sizing when possible
[//]: # (- Implement proper provider disposal patterns)
- Use `AutomaticKeepAliveClientMixin` judiciously
[//]: # (- Use weak references where appropriate)
- Optimize list item widgets for minimal rebuilds
[//]: # (- Monitor memory leaks in development mode)
- Implement proper scroll physics for smooth scrolling
[//]: # (- Optimize Hive CE database memory footprint)
- Use `RepaintBoundary` for complex list items
[//]: # (- Close streams and subscriptions properly)
- Consider `ListView.separated` for dividers
[//]: # (- Use `AutomaticKeepAliveClientMixin` only when needed)
- Use proper keys for widget identity in lists
[//]: # ()
[//]: # (```dart)
[//]: # (class MyWidget extends StatefulWidget {)
## Memory Management:
[//]: # ( @override)
- Dispose of controllers and streams in StatefulWidgets
[//]: # ( State createState&#40;&#41; => _MyWidgetState&#40;&#41;;)
- Monitor memory usage with image caches
[//]: # (})
- Implement proper provider disposal patterns
[//]: # ()
[//]: # (class _MyWidgetState extends State {)
- Use weak references where appropriate
[//]: # ( late final ScrollController _scrollController;)
- Monitor memory leaks in development mode
[//]: # ( StreamSubscription? _subscription;)
- Optimize Hive CE database memory footprint
[//]: # ( )
[//]: # ( @override)
- Close streams and subscriptions properly
[//]: # ( void initState&#40;&#41; {)
- Use `AutomaticKeepAliveClientMixin` only when needed
[//]: # ( super.initState&#40;&#41;;)
[//]: # ( _scrollController = ScrollController&#40;&#41;;)
```dart
[//]: # ( _subscription = stream.listen&#40;&#40;data&#41; { /* ... */ }&#41;;)
class MyWidget extends StatefulWidget {
[//]: # ( })
@override
[//]: # ( )
[//]: # ( @override)
State createState() => _MyWidgetState();
[//]: # ( void dispose&#40;&#41; {)
}
[//]: # ( _scrollController.dispose&#40;&#41;;)
[//]: # ( _subscription?.cancel&#40;&#41;;)
class _MyWidgetState extends State {
[//]: # ( super.dispose&#40;&#41;;)
late final ScrollController _scrollController;
[//]: # ( })
StreamSubscription? _subscription;
[//]: # ( )
[//]: # ( @override)
[//]: # ( Widget build&#40;BuildContext context&#41; => /* ... */;)
@override
[//]: # (})
void initState() {
[//]: # (```)
super.initState();
[//]: # ()
[//]: # (## Build Optimization:)
_scrollController = ScrollController();
[//]: # (- Minimize widget rebuilds with `const` constructors)
_subscription = stream.listen((data) { /* ... */ });
[//]: # (- Use `Builder` widgets to limit rebuild scope)
}
[//]: # (- Implement proper key usage for widget identity)
[//]: # (- Optimize provider selectors to minimize rebuilds)
@override
[//]: # (- Use `ValueListenableBuilder` for specific state listening)
void dispose() {
[//]: # (- Implement proper widget separation for granular updates)
_scrollController.dispose();
[//]: # (- Avoid expensive operations in build methods)
_subscription?.cancel();
[//]: # (- Use `MediaQuery.of&#40;context, nullOk: true&#41;` pattern when appropriate)
super.dispose();
[//]: # ()
[//]: # (```dart)
}
[//]: # (// Bad - entire widget rebuilds)
[//]: # (Consumer&#40;)
@override
[//]: # ( builder: &#40;context, ref, child&#41; {)
Widget build(BuildContext context) => /* ... */;
[//]: # ( final state = ref.watch&#40;stateProvider&#41;;)
}
[//]: # ( return ExpensiveWidget&#40;data: state.data&#41;;)
```
[//]: # ( },)
[//]: # (&#41;)
## Build Optimization:
[//]: # ()
[//]: # (// Good - only rebuilds when specific data changes)
- Minimize widget rebuilds with `const` constructors
[//]: # (Consumer&#40;)
- Use `Builder` widgets to limit rebuild scope
[//]: # ( builder: &#40;context, ref, child&#41; {)
- Implement proper key usage for widget identity
[//]: # ( final data = ref.watch&#40;stateProvider.select&#40;&#40;s&#41; => s.data&#41;&#41;;)
- Optimize provider selectors to minimize rebuilds
[//]: # ( return ExpensiveWidget&#40;data: data&#41;;)
- Use `ValueListenableBuilder` for specific state listening
[//]: # ( },)
- Implement proper widget separation for granular updates
[//]: # (&#41;)
- Avoid expensive operations in build methods
[//]: # ()
[//]: # (// Better - use const for children)
- Use `MediaQuery.of(context, nullOk: true)` pattern when appropriate
[//]: # (Consumer&#40;)
[//]: # ( builder: &#40;context, ref, child&#41; {)
```dart
[//]: # ( final data = ref.watch&#40;stateProvider.select&#40;&#40;s&#41; => s.data&#41;&#41;;)
// Bad - entire widget rebuilds
[//]: # ( return Column&#40;)
Consumer(
[//]: # ( children: [)
builder: (context, ref, child) {
[//]: # ( ExpensiveWidget&#40;data: data&#41;,)
final state = ref.watch(stateProvider);
[//]: # ( child!, // This doesn't rebuild)
return ExpensiveWidget(data: state.data);
[//]: # ( ],)
},
[//]: # ( &#41;;)
)
[//]: # ( },)
[//]: # ( child: const StaticExpensiveWidget&#40;&#41;,)
// Good - only rebuilds when specific data changes
[//]: # (&#41;)
Consumer(
[//]: # (```)
builder: (context, ref, child) {
[//]: # ()
[//]: # (## Network Performance:)
final data = ref.watch(stateProvider.select((s) => s.data));
[//]: # (- Implement request deduplication for identical API calls)
return ExpensiveWidget(data: data);
[//]: # (- Use proper HTTP caching headers)
},
[//]: # (- Implement connection pooling and keep-alive with Dio)
)
[//]: # (- Optimize API response parsing and deserialization)
[//]: # (- Use background sync strategies for data updates)
// Better - use const for children
[//]: # (- Implement proper retry and exponential backoff strategies)
Consumer(
[//]: # (- Batch multiple requests when possible)
builder: (context, ref, child) {
[//]: # (- Use compression for large payloads)
final data = ref.watch(stateProvider.select((s) => s.data));
[//]: # ()
[//]: # (```dart)
return Column(
[//]: # (// Dio optimization)
children: [
[//]: # (final dio = Dio&#40;BaseOptions&#40;)
ExpensiveWidget(data: data),
[//]: # ( connectTimeout: Duration&#40;seconds: 10&#41;,)
child!, // This doesn't rebuild
[//]: # ( receiveTimeout: Duration&#40;seconds: 10&#41;,)
],
[//]: # ( maxRedirects: 3,)
);
[//]: # (&#41;&#41;..interceptors.add&#40;InterceptorsWrapper&#40;)
},
[//]: # ( onRequest: &#40;options, handler&#41; {)
child: const StaticExpensiveWidget(),
[//]: # ( // Add caching headers)
)
[//]: # ( options.headers['Cache-Control'] = 'max-age=300';)
```
[//]: # ( handler.next&#40;options&#41;;)
[//]: # ( },)
## Network Performance:
[//]: # (&#41;&#41;;)
- Implement request deduplication for identical API calls
[//]: # (```)
- Use proper HTTP caching headers
[//]: # ()
[//]: # (## Hive CE Database Performance:)
- Implement connection pooling and keep-alive with Dio
[//]: # (- Design efficient indexing strategies)
- Optimize API response parsing and deserialization
[//]: # (- Optimize query patterns for large datasets)
- Use background sync strategies for data updates
[//]: # (- Use `LazyBox` for large objects accessed infrequently)
- Implement proper retry and exponential backoff strategies
[//]: # (- Implement proper database compaction)
- Batch multiple requests when possible
[//]: # (- Monitor database size growth)
- Use compression for large payloads
[//]: # (- Use efficient serialization strategies)
[//]: # (- Batch database operations when possible)
```dart
[//]: # (- Use `box.values.where&#40;&#41;` efficiently)
// Dio optimization
[//]: # ()
[//]: # (```dart)
final dio = Dio(BaseOptions(
[//]: # (// Efficient Hive operations)
connectTimeout: Duration(seconds: 10),
[//]: # (final box = Hive.box&#40;'cache'&#41;;)
receiveTimeout: Duration(seconds: 10),
[//]: # ()
[//]: # (// Bad - loads all data)
maxRedirects: 3,
[//]: # (final filtered = box.values.toList&#40;&#41;.where&#40;&#40;item&#41; => item.isActive&#41;;)
))..interceptors.add(InterceptorsWrapper(
[//]: # ()
[//]: # (// Good - streams and filters)
onRequest: (options, handler) {
[//]: # (final filtered = box.values.where&#40;&#40;item&#41; => item.isActive&#41;;)
// Add caching headers
[//]: # ()
[//]: # (// Better - use keys when possible)
options.headers['Cache-Control'] = 'max-age=300';
[//]: # (final item = box.get&#40;'specific-key'&#41;;)
handler.next(options);
[//]: # (```)
},
[//]: # ()
[//]: # (## Profiling and Monitoring:)
));
[//]: # (- Use Flutter DevTools for performance profiling)
```
[//]: # (- Monitor frame rendering with Performance Overlay)
[//]: # (- Track memory allocation with Memory tab)
## Hive CE Database Performance:
[//]: # (- Profile widget rebuilds with Timeline)
- Design efficient indexing strategies
[//]: # (- Monitor network requests in DevTools)
- Optimize query patterns for large datasets
[//]: # (- Use `Timeline` class for custom performance marks)
- Use `LazyBox` for large objects accessed infrequently
[//]: # (- Implement performance regression testing)
- Implement proper database compaction
[//]: # ()
[//]: # (```dart)
- Monitor database size growth
[//]: # (// Custom performance tracking)
- Use efficient serialization strategies
[//]: # (import 'dart:developer' as developer;)
- Batch database operations when possible
[//]: # ()
[//]: # (Future expensiveOperation&#40;&#41; async {)
- Use `box.values.where()` efficiently
[//]: # ( developer.Timeline.startSync&#40;'expensiveOperation'&#41;;)
[//]: # ( try {)
```dart
[//]: # ( // Your expensive operation)
// Efficient Hive operations
[//]: # ( } finally {)
final box = Hive.box('cache');
[//]: # ( developer.Timeline.finishSync&#40;&#41;;)
[//]: # ( })
// Bad - loads all data
[//]: # (})
final filtered = box.values.toList().where((item) => item.isActive);
[//]: # (```)
[//]: # ()
[//]: # (## Startup Optimization:)
// Good - streams and filters
[//]: # (- Implement proper app initialization sequence)
final filtered = box.values.where((item) => item.isActive);
[//]: # (- Use deferred loading for non-critical features)
[//]: # (- Optimize asset bundling and loading)
// Better - use keys when possible
[//]: # (- Minimize synchronous operations on startup)
final item = box.get('specific-key');
[//]: # (- Implement splash screen during initialization)
```
[//]: # (- Profile app cold start and warm start performance)
[//]: # (- Lazy load dependencies with GetIt)
## Profiling and Monitoring:
[//]: # (- Initialize Hive CE asynchronously)
- Use Flutter DevTools for performance profiling
[//]: # ()
[//]: # (```dart)
- Monitor frame rendering with Performance Overlay
[//]: # (Future main&#40;&#41; async {)
- Track memory allocation with Memory tab
[//]: # ( WidgetsFlutterBinding.ensureInitialized&#40;&#41;;)
- Profile widget rebuilds with Timeline
[//]: # ( )
[//]: # ( // Critical initialization only)
- Monitor network requests in DevTools
[//]: # ( await initializeCore&#40;&#41;;)
- Use `Timeline` class for custom performance marks
[//]: # ( )
[//]: # ( runApp&#40;MyApp&#40;&#41;&#41;;)
- Implement performance regression testing
[//]: # ( )
[//]: # ( // Defer non-critical initialization)
[//]: # ( Future.microtask&#40;&#40;&#41; async {)
```dart
[//]: # ( await initializeNonCritical&#40;&#41;;)
// Custom performance tracking
[//]: # ( }&#41;;)
import 'dart:developer' as developer;
[//]: # (})
[//]: # (```)
Future expensiveOperation() async {
[//]: # ()
[//]: # (## Build Configuration:)
developer.Timeline.startSync('expensiveOperation');
[//]: # (```yaml)
try {
[//]: # (# Release build optimizations in android/app/build.gradle)
// Your expensive operation
[//]: # (buildTypes {)
} finally {
[//]: # ( release {)
developer.Timeline.finishSync();
[//]: # ( minifyEnabled true)
}
[//]: # ( shrinkResources true)
}
[//]: # ( proguardFiles getDefaultProguardFile&#40;'proguard-android.txt'&#41;)
```
[//]: # ( })
[//]: # (})
## Startup Optimization:
[//]: # (```)
- Implement proper app initialization sequence
[//]: # ()
[//]: # (## Best Practices:)
- Use deferred loading for non-critical features
[//]: # (- Always measure performance before and after optimizations)
- Optimize asset bundling and loading
[//]: # (- Use Flutter DevTools for accurate profiling)
- Minimize synchronous operations on startup
[//]: # (- Implement performance regression testing)
- Implement splash screen during initialization
[//]: # (- Document performance decisions and trade-offs)
- Profile app cold start and warm start performance
[//]: # (- Monitor production performance metrics)
- Lazy load dependencies with GetIt
[//]: # (- Keep performance optimization maintainable)
- Initialize Hive CE asynchronously
[//]: # (- Focus on user-perceived performance)
[//]: # (- Test on real devices, not just emulators)
```dart
[//]: # (- Consider different device capabilities)
Future main() async {
[//]: # (- Profile in release mode, not debug mode)
WidgetsFlutterBinding.ensureInitialized();
// Critical initialization only
await initializeCore();
runApp(MyApp());
// Defer non-critical initialization
Future.microtask(() async {
await initializeNonCritical();
});
}
```
## Build Configuration:
```yaml
# Release build optimizations in android/app/build.gradle
buildTypes {
release {
minifyEnabled true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android.txt')
}
}
```
## Best Practices:
- Always measure performance before and after optimizations
- Use Flutter DevTools for accurate profiling
- Implement performance regression testing
- Document performance decisions and trade-offs
- Monitor production performance metrics
- Keep performance optimization maintainable
- Focus on user-perceived performance
- Test on real devices, not just emulators
- Consider different device capabilities
- Profile in release mode, not debug mode

1080
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6
CLAUDE.md
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@@ -80,7 +80,7 @@ You have access to these expert subagents - USE THEM PROACTIVELY:
## Flutter Best Practices
- Use Flutter 3.x features and Material 3 design
- Implement clean architecture with Riverpod for state management
- Use Hive for local database and offline-first functionality
- Use Hive for local database and offline functionality
- Follow proper dependency injection with Riverpod DI
- Implement proper error handling and user feedback
- Follow iOS and Android platform-specific design guidelines
@@ -1704,7 +1704,7 @@ class ProductsPage extends ConsumerWidget {
---
## Offline-First Strategy
## Offline Strategy
### Data Sync Flow
```dart
@@ -2164,7 +2164,7 @@ end
- [ ] Matches HTML reference design
- [ ] Follows clean architecture
- [ ] Proper error handling
- [ ] Offline-first approach
- [ ] Online-first approach
- [ ] Performance optimized
- [ ] Proper state management with Riverpod
- [ ] Hive models properly defined

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@@ -0,0 +1,522 @@
# Hive CE Database Setup - Worker App
## Overview
The Worker Flutter app now has a complete Hive CE (Community Edition) database setup for offline-first functionality. This document provides a comprehensive summary of the setup.
## What Was Created
### 1. Core Files
#### `/lib/core/constants/storage_constants.dart`
Centralized constants for Hive database:
- **HiveBoxNames**: All box names (13 boxes total)
- **HiveTypeIds**: Type adapter IDs (0-223 range, 32 IDs assigned)
- **HiveKeys**: Storage keys for settings and cache
- **CacheDuration**: Default cache expiration times
- **HiveDatabaseConfig**: Database configuration settings
#### `/lib/core/database/hive_service.dart`
Main database service handling:
- Hive initialization and configuration
- Type adapter registration (auto-generated)
- Box opening and management
- Database migrations and versioning
- Encryption support
- Maintenance and compaction
- Cleanup operations
#### `/lib/core/database/database_manager.dart`
High-level database operations:
- Generic CRUD operations
- Cache management with expiration
- Sync state tracking
- Settings operations
- Offline queue management
- Database statistics
#### `/lib/core/database/hive_initializer.dart`
Simple initialization API:
- Easy app startup initialization
- Database reset functionality
- Logout data cleanup
- Statistics helpers
#### `/lib/core/database/database.dart`
Export file for convenient imports
### 2. Models
#### `/lib/core/database/models/enums.dart`
Type adapters for all enums (10 enums):
- `MemberTier` - Loyalty tiers (Gold, Platinum, Diamond)
- `UserType` - User categories (Contractor, Architect, Distributor, Broker)
- `OrderStatus` - Order states (6 statuses)
- `ProjectStatus` - Project states (5 statuses)
- `ProjectType` - Project categories (5 types)
- `TransactionType` - Loyalty transaction types (8 types)
- `GiftStatus` - Gift/reward states (5 statuses)
- `PaymentStatus` - Payment states (6 statuses)
- `NotificationType` - Notification categories (7 types)
- `PaymentMethod` - Payment methods (6 methods)
Each enum includes:
- Extension methods for display names
- Helper properties for state checking
- Vietnamese localization
#### `/lib/core/database/models/cached_data.dart`
Generic cache wrapper model:
- Wraps any data type with timestamp
- Expiration tracking
- Freshness checking
- Cache age calculation
### 3. Generated Files
#### `/lib/hive_registrar.g.dart` (Auto-generated)
Automatic adapter registration extension:
- Registers all type adapters automatically
- No manual registration needed
- Updates automatically when new models are added
#### `/lib/core/database/models/*.g.dart` (Auto-generated)
Individual type adapters for each model and enum
### 4. Configuration
#### `pubspec.yaml`
Updated dependencies:
```yaml
dependencies:
hive_ce: ^2.6.0
hive_ce_flutter: ^2.1.0
dev_dependencies:
hive_ce_generator: ^1.6.0
build_runner: ^2.4.11
```
#### `build.yaml`
Build runner configuration for code generation
## Database Architecture
### Box Structure
The app uses 13 Hive boxes organized by functionality:
**Encrypted Boxes (Sensitive Data):**
1. `user_box` - User profile and authentication
2. `cart_box` - Shopping cart items
3. `order_box` - Order history
4. `project_box` - Construction projects
5. `loyalty_box` - Loyalty transactions
6. `address_box` - Delivery addresses
7. `offline_queue_box` - Failed API requests
**Non-Encrypted Boxes:**
8. `product_box` - Product catalog cache
9. `rewards_box` - Rewards catalog
10. `settings_box` - App settings
11. `cache_box` - Generic API cache
12. `sync_state_box` - Sync timestamps
13. `notification_box` - Notifications
### Type ID Allocation
Reserved type IDs (never change once assigned):
**Core Models (0-9):**
- 0: UserModel (TODO)
- 1: ProductModel (TODO)
- 2: CartItemModel (TODO)
- 3: OrderModel (TODO)
- 4: ProjectModel (TODO)
- 5: LoyaltyTransactionModel (TODO)
**Extended Models (10-19):**
- 10: OrderItemModel (TODO)
- 11: AddressModel (TODO)
- 12: CategoryModel (TODO)
- 13: RewardModel (TODO)
- 14: GiftModel (TODO)
- 15: NotificationModel (TODO)
- 16: QuoteModel (TODO)
- 17: PaymentModel (TODO)
- 18: PromotionModel (TODO)
- 19: ReferralModel (TODO)
**Enums (20-29):** ✓ Created
- 20: MemberTier
- 21: UserType
- 22: OrderStatus
- 23: ProjectStatus
- 24: ProjectType
- 25: TransactionType
- 26: GiftStatus
- 27: PaymentStatus
- 28: NotificationType
- 29: PaymentMethod
**Cache & Sync Models (30-39):**
- 30: CachedData ✓ Created
- 31: SyncState (TODO)
- 32: OfflineRequest (TODO)
## How to Use
### 1. Initialize Hive in main.dart
```dart
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'core/database/hive_initializer.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
// Initialize Hive database
await HiveInitializer.initialize(
verbose: true, // Enable logging in debug mode
);
runApp(
const ProviderScope(
child: MyApp(),
),
);
}
```
### 2. Basic Database Operations
```dart
import 'package:worker/core/database/database.dart';
// Get database manager instance
final dbManager = DatabaseManager();
// Save data
await dbManager.save(
boxName: HiveBoxNames.productBox,
key: 'product_123',
value: product,
);
// Get data
final product = dbManager.get(
boxName: HiveBoxNames.productBox,
key: 'product_123',
);
// Get all items
final products = dbManager.getAll(boxName: HiveBoxNames.productBox);
// Delete data
await dbManager.delete(
boxName: HiveBoxNames.productBox,
key: 'product_123',
);
```
### 3. Caching with Expiration
```dart
import 'package:worker/core/database/database.dart';
final dbManager = DatabaseManager();
// Save to cache with timestamp
await dbManager.saveToCache(
key: HiveKeys.productsCacheKey,
data: products,
);
// Get from cache (returns null if expired)
final cachedProducts = dbManager.getFromCache<List<Product>>(
key: HiveKeys.productsCacheKey,
maxAge: CacheDuration.products, // 6 hours
);
if (cachedProducts == null) {
// Cache miss or expired - fetch from API
final freshProducts = await api.getProducts();
await dbManager.saveToCache(
key: HiveKeys.productsCacheKey,
data: freshProducts,
);
}
```
### 4. Offline Queue
```dart
import 'package:worker/core/database/database.dart';
final dbManager = DatabaseManager();
// Add failed request to queue
try {
await api.createOrder(orderData);
} catch (e) {
await dbManager.addToOfflineQueue({
'endpoint': '/api/orders',
'method': 'POST',
'body': orderData,
});
}
// Process queue when back online
final queue = dbManager.getOfflineQueue();
for (var i = 0; i < queue.length; i++) {
try {
await api.request(queue[i]);
await dbManager.removeFromOfflineQueue(i);
} catch (e) {
// Keep in queue for next retry
}
}
```
### 5. Settings Management
```dart
import 'package:worker/core/database/database.dart';
final dbManager = DatabaseManager();
// Save setting
await dbManager.saveSetting(
key: HiveKeys.languageCode,
value: 'vi',
);
// Get setting
final language = dbManager.getSetting<String>(
key: HiveKeys.languageCode,
defaultValue: 'vi',
);
```
### 6. Sync State Tracking
```dart
import 'package:worker/core/database/database.dart';
final dbManager = DatabaseManager();
// Update sync timestamp
await dbManager.updateSyncTime(HiveKeys.productsSyncTime);
// Get last sync time
final lastSync = dbManager.getLastSyncTime(HiveKeys.productsSyncTime);
// Check if needs sync
final needsSync = dbManager.needsSync(
dataType: HiveKeys.productsSyncTime,
syncInterval: Duration(hours: 6),
);
if (needsSync) {
// Perform sync
await syncProducts();
await dbManager.updateSyncTime(HiveKeys.productsSyncTime);
}
```
### 7. Logout (Clear User Data)
```dart
import 'package:worker/core/database/hive_initializer.dart';
// Clear user data while keeping settings and cache
await HiveInitializer.logout();
```
## Creating New Hive Models
### Step 1: Create Model File
```dart
// lib/features/products/data/models/product_model.dart
import 'package:hive_ce/hive.dart';
import 'package:worker/core/constants/storage_constants.dart';
part 'product_model.g.dart';
@HiveType(typeId: HiveTypeIds.product) // Use typeId: 1
class ProductModel extends HiveObject {
@HiveField(0)
final String id;
@HiveField(1)
final String name;
@HiveField(2)
final String sku;
@HiveField(3)
final double price;
@HiveField(4)
final List<String> images;
@HiveField(5)
final String categoryId;
@HiveField(6)
final int stock;
ProductModel({
required this.id,
required this.name,
required this.sku,
required this.price,
required this.images,
required this.categoryId,
required this.stock,
});
}
```
### Step 2: Generate Adapter
```bash
dart run build_runner build --delete-conflicting-outputs
```
This automatically:
- Generates `product_model.g.dart` with `ProductModelAdapter`
- Updates `hive_registrar.g.dart` to register the new adapter
- No manual registration needed!
### Step 3: Use the Model
```dart
import 'package:worker/core/database/database.dart';
final product = ProductModel(
id: '123',
name: 'Ceramic Tile',
sku: 'TILE-001',
price: 299000,
images: ['image1.jpg'],
categoryId: 'cat_1',
stock: 100,
);
final dbManager = DatabaseManager();
await dbManager.save(
boxName: HiveBoxNames.productBox,
key: product.id,
value: product,
);
```
## Important Rules
1. **Never change Type IDs** - Once assigned, they are permanent
2. **Never change Field numbers** - Breaks existing data
3. **Run build_runner** after creating/modifying models
4. **Use the auto-generated registrar** - Don't manually register adapters
5. **Always use try-catch** around Hive operations
6. **Check box is open** before accessing it
7. **Use DatabaseManager** for high-level operations
8. **Set appropriate cache durations** for different data types
## Features
✓ **Offline-First**: All data stored locally and synced
✓ **Type-Safe**: Strong typing with generated adapters
✓ **Fast**: Optimized NoSQL database
✓ **Encrypted**: Optional AES encryption for sensitive data
✓ **Auto-Maintenance**: Compaction and cleanup
✓ **Migration Support**: Schema versioning built-in
✓ **Cache Management**: Automatic expiration handling
✓ **Offline Queue**: Failed request retry system
✓ **Sync Tracking**: Data freshness monitoring
✓ **Statistics**: Debug utilities for monitoring
## Next Steps
### To Complete the Database Setup:
1. **Create Model Classes** for the TODO items (typeIds 0-19, 31-32)
2. **Run build_runner** to generate adapters
3. **Implement sync logic** in repository layers
4. **Add encryption** in production (if needed)
5. **Test migrations** when schema changes
6. **Monitor database size** in production
### Models to Create:
Priority 1 (Core):
- UserModel (typeId: 0)
- ProductModel (typeId: 1)
- CartItemModel (typeId: 2)
- OrderModel (typeId: 3)
Priority 2 (Extended):
- ProjectModel (typeId: 4)
- LoyaltyTransactionModel (typeId: 5)
- AddressModel (typeId: 11)
- NotificationModel (typeId: 15)
Priority 3 (Additional):
- OrderItemModel (typeId: 10)
- CategoryModel (typeId: 12)
- RewardModel (typeId: 13)
- GiftModel (typeId: 14)
- QuoteModel (typeId: 16)
- PaymentModel (typeId: 17)
- PromotionModel (typeId: 18)
- ReferralModel (typeId: 19)
## Troubleshooting
### Build Runner Fails
```bash
# Clean and rebuild
flutter clean
flutter pub get
dart run build_runner clean
dart run build_runner build --delete-conflicting-outputs
```
### Box Not Found Error
- Ensure `HiveInitializer.initialize()` is called in main.dart
- Check box name matches `HiveBoxNames` constant
### Adapter Not Registered
- Run build_runner to generate adapters
- Check `hive_registrar.g.dart` includes the adapter
- Ensure `Hive.registerAdapters()` is called in HiveService
### Data Corruption
- Enable backups before migrations
- Test migrations on copy of production data
- Validate data before saving
## Resources
- Hive CE Documentation: https://github.com/IO-Design-Team/hive_ce
- Project README: `/lib/core/database/README.md`
- Storage Constants: `/lib/core/constants/storage_constants.dart`
- Type Adapter Registry: See README.md for complete list
## Summary
The Hive CE database is now fully configured and ready to use. All enum type adapters are created and registered automatically. Future models will follow the same pattern - just create the model file with annotations and run build_runner to generate adapters.
The database supports offline-first functionality with:
- 13 pre-configured boxes
- 32 reserved type IDs
- Auto-generated adapter registration
- Cache management with expiration
- Offline request queuing
- Sync state tracking
- Maintenance and cleanup
Start creating models and building the offline-first features!

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# Localization Guide - Worker Mobile App
Complete guide for managing translations and localization in the Worker Mobile App.
## Overview
The Worker app supports **Vietnamese** (primary) and **English** (secondary) languages with **450+ translation keys** covering all UI elements, messages, and user interactions.
### Key Features
- **Primary Language**: Vietnamese (`vi_VN`)
- **Secondary Language**: English (`en_US`)
- **Translation Keys**: 450+ comprehensive translations
- **Auto-generation**: Flutter's `gen-l10n` tool
- **Type Safety**: Fully type-safe localization API
- **Fallback Support**: Automatic fallback to Vietnamese if device locale is unsupported
- **Pluralization**: Full ICU message format support
- **Parameterized Strings**: Support for dynamic values
- **Helper Extensions**: Convenient access utilities
- **Date/Time Formatting**: Locale-specific formatting
## Configuration
### l10n.yaml
```yaml
arb-dir: lib/l10n
template-arb-file: app_en.arb
output-localization-file: app_localizations.dart
output-dir: lib/generated/l10n
nullable-getter: false
```
### pubspec.yaml
```yaml
dependencies:
flutter:
sdk: flutter
flutter_localizations:
sdk: flutter
flutter:
generate: true
```
## File Structure
```
lib/
l10n/
app_en.arb # English translations (template)
app_vi.arb # Vietnamese translations (PRIMARY)
generated/l10n/ # Auto-generated (DO NOT EDIT)
app_localizations.dart # Generated base class
app_localizations_en.dart # Generated English implementation
app_localizations_vi.dart # Generated Vietnamese implementation
core/
utils/
l10n_extensions.dart # Helper extensions for easy access
l10n.yaml # Localization configuration
LOCALIZATION.md # This guide
```
## Translation Coverage
### Comprehensive Feature Coverage (450+ Keys)
| Category | Keys | Examples |
|----------|------|----------|
| **Authentication** | 25+ | login, phone, verifyOTP, enterOTP, resendOTP, register, logout |
| **Navigation** | 10+ | home, products, loyalty, account, more, backToHome, goToHomePage |
| **Common Actions** | 30+ | save, cancel, delete, edit, search, filter, confirm, apply, clear, refresh, share, copy |
| **Status Labels** | 20+ | pending, processing, shipping, completed, cancelled, active, inactive, expired, draft, sent, accepted, rejected |
| **Form Labels** | 30+ | name, email, password, address, street, city, district, ward, postalCode, company, taxId, dateOfBirth, gender |
| **User Types** | 5+ | contractor, architect, distributor, broker, selectUserType |
| **Loyalty System** | 50+ | points, diamond, platinum, gold, rewards, referral, tierBenefits, pointsMultiplier, specialOffers, exclusiveDiscounts |
| **Products & Shopping** | 35+ | product, price, addToCart, cart, checkout, sku, brand, model, specification, availability, newArrival, bestSeller |
| **Cart & Checkout** | 30+ | cartEmpty, updateQuantity, removeFromCart, clearCart, proceedToCheckout, orderSummary, selectAddress, selectPaymentMethod |
| **Orders & Payments** | 40+ | orders, orderNumber, orderStatus, paymentMethod, deliveryAddress, trackOrder, cancelOrder, orderTimeline, trackingNumber |
| **Projects & Quotes** | 45+ | projects, createProject, quotes, budget, progress, client, location, projectPhotos, projectDocuments, quoteItems |
| **Account & Profile** | 40+ | profile, editProfile, addresses, changePassword, uploadAvatar, passwordStrength, enableNotifications, selectLanguage |
| **Loyalty Transactions** | 20+ | transactionType, earnPoints, redeemPoints, bonusPoints, refundPoints, pointsExpiry, disputeTransaction |
| **Gifts & Rewards** | 25+ | myGifts, activeGifts, usedGifts, expiredGifts, giftDetails, rewardCategory, vouchers, pointsCost, expiryDate |
| **Referral Program** | 15+ | referralInvite, referralReward, shareYourCode, friendRegisters, bothGetRewards, totalReferrals |
| **Validation Messages** | 20+ | fieldRequired, invalidEmail, invalidPhone, passwordTooShort, passwordsNotMatch, incorrectPassword |
| **Error Messages** | 15+ | error, networkError, serverError, sessionExpired, notFound, unauthorized, connectionError, syncFailed |
| **Success Messages** | 15+ | success, savedSuccessfully, updatedSuccessfully, deletedSuccessfully, redeemSuccessful, photoUploaded |
| **Loading States** | 10+ | loading, loadingData, processing, pleaseWait, syncInProgress, syncCompleted |
| **Empty States** | 15+ | noData, noResults, noProductsFound, noOrdersYet, noProjectsYet, noNotifications, noGiftsYet |
| **Date & Time** | 20+ | today, yesterday, thisWeek, thisMonth, dateRange, from, to, minutesAgo, hoursAgo, daysAgo, justNow |
| **Notifications** | 25+ | notifications, markAsRead, markAllAsRead, deleteNotification, clearNotifications, unreadNotifications |
| **Chat** | 20+ | chat, sendMessage, typeMessage, typingIndicator, online, offline, messageRead, messageDelivered |
| **Filters & Sorting** | 15+ | filterBy, sortBy, priceAscending, priceDescending, nameAscending, dateAscending, applyFilters |
| **Offline & Sync** | 15+ | offlineMode, syncData, lastSyncAt, noInternetConnection, checkConnection, retryConnection |
| **Miscellaneous** | 20+ | version, help, aboutUs, privacyPolicy, termsOfService, feedback, rateApp, comingSoon, underMaintenance |
### Special Features
#### Pluralization Support
- `itemsInCart` - 0/1/many items
- `ordersCount` - 0/1/many orders
- `projectsCount` - 0/1/many projects
- `daysRemaining` - 0/1/many days
#### Parameterized Translations
- `welcomeTo(appName)` - Dynamic app name
- `otpSentTo(phone)` - Phone number
- `pointsToNextTier(points, tier)` - Points and tier
- `redeemConfirmMessage(points, reward)` - Redemption confirmation
- `orderNumberIs(orderNumber)` - Order number display
- `estimatedDeliveryDate(date)` - Delivery date
#### Date/Time Formatting
- `formatDate` - DD/MM/YYYY (VI) or MM/DD/YYYY (EN)
- `formatDateTime` - Full date-time with locale
- `minutesAgo`, `hoursAgo`, `daysAgo`, etc. - Relative time
#### Currency Formatting
- `formatCurrency` - Vietnamese Dong (₫) with proper grouping
## Usage Examples
### Basic Usage
```dart
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
class LoginPage extends StatelessWidget {
@override
Widget build(BuildContext context) {
final l10n = AppLocalizations.of(context)!;
return Scaffold(
appBar: AppBar(
title: Text(l10n.login),
),
body: Column(
children: [
TextField(
decoration: InputDecoration(
labelText: l10n.phone,
hintText: l10n.enterPhone,
),
),
ElevatedButton(
onPressed: () {},
child: Text(l10n.continueButton),
),
],
),
);
}
}
```
### Using Extension for Cleaner Code (Recommended)
```dart
import 'package:worker/core/utils/l10n_extensions.dart';
class ProductCard extends StatelessWidget {
@override
Widget build(BuildContext context) {
// Much cleaner than AppLocalizations.of(context)!
return Column(
children: [
Text(context.l10n.product),
Text(context.l10n.price),
ElevatedButton(
onPressed: () {},
child: Text(context.l10n.addToCart),
),
],
);
}
}
```
### Using Helper Utilities
```dart
import 'package:worker/core/utils/l10n_extensions.dart';
class OrderCard extends StatelessWidget {
final Order order;
@override
Widget build(BuildContext context) {
return Card(
child: Column(
children: [
// Format currency
Text(L10nHelper.formatCurrency(context, order.total)),
// Vietnamese: "1.500.000 ₫"
// English: "1,500,000 ₫"
// Format date
Text(L10nHelper.formatDate(context, order.createdAt)),
// Vietnamese: "17/10/2025"
// English: "10/17/2025"
// Relative time
Text(L10nHelper.formatRelativeTime(context, order.createdAt)),
// Vietnamese: "5 phút trước"
// English: "5 minutes ago"
// Status with helper
Text(L10nHelper.getOrderStatus(context, order.status)),
// Returns localized status string
// Item count with pluralization
Text(L10nHelper.formatItemCount(context, order.itemCount)),
// Vietnamese: "3 sản phẩm"
// English: "3 items"
],
),
);
}
}
```
### Parameterized Translations
```dart
// Points balance with parameter
final pointsText = context.l10n.pointsBalance;
// Result: "1,000 điểm" (Vietnamese) or "1,000 points" (English)
// OTP sent message with phone parameter
final message = AppLocalizations.of(context)!.otpSentTo('0912345678');
// Result: "Mã OTP đã được gửi đến 0912345678"
// Points to next tier with multiple parameters
final tierMessage = context.l10n.pointsToNextTier;
// Uses placeholders: {points} and {tier}
```
### Checking Current Language
```dart
import 'package:worker/core/utils/l10n_extensions.dart';
class LanguageIndicator extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Column(
children: [
Text('Language Code: ${context.languageCode}'), // "vi" or "en"
Text('Is Vietnamese: ${context.isVietnamese}'), // true/false
Text('Is English: ${context.isEnglish}'), // true/false
],
);
}
}
```
## Adding New Translations
### Step 1: Add to ARB Files
**lib/l10n/app_en.arb** (English - Template):
```json
{
"newFeature": "New Feature",
"@newFeature": {
"description": "Description of the new feature"
}
}
```
**lib/l10n/app_vi.arb** (Vietnamese):
```json
{
"newFeature": "Tính năng mới",
"@newFeature": {
"description": "Description of the new feature"
}
}
```
### Step 2: Regenerate Localization Files
```bash
flutter gen-l10n
```
### Step 3: Use in Code
```dart
Text(context.l10n.newFeature)
```
## Parameterized Translations
### Simple Parameter
**ARB File:**
```json
{
"welcome": "Welcome, {name}!",
"@welcome": {
"description": "Welcome message",
"placeholders": {
"name": {
"type": "String",
"example": "John"
}
}
}
}
```
**Usage:**
```dart
Text(context.l10n.welcome('John'))
// Result: "Welcome, John!"
```
### Multiple Parameters
**ARB File:**
```json
{
"orderSummary": "Order #{orderNumber} for {amount}",
"@orderSummary": {
"description": "Order summary text",
"placeholders": {
"orderNumber": {
"type": "String",
"example": "12345"
},
"amount": {
"type": "String",
"example": "100,000 ₫"
}
}
}
}
```
**Usage:**
```dart
Text(context.l10n.orderSummary('12345', '100,000 ₫'))
```
### Number Parameters
**ARB File:**
```json
{
"itemCount": "{count} items",
"@itemCount": {
"description": "Number of items",
"placeholders": {
"count": {
"type": "int",
"example": "5"
}
}
}
}
```
**Usage:**
```dart
Text(context.l10n.itemCount(5))
// Result: "5 items"
```
## Pluralization
Flutter's localization supports pluralization with the ICU message format:
**ARB File:**
```json
{
"itemCountPlural": "{count,plural, =0{No items} =1{1 item} other{{count} items}}",
"@itemCountPlural": {
"description": "Item count with pluralization",
"placeholders": {
"count": {
"type": "int"
}
}
}
}
```
**Usage:**
```dart
Text(context.l10n.itemCountPlural(0)) // "No items"
Text(context.l10n.itemCountPlural(1)) // "1 item"
Text(context.l10n.itemCountPlural(5)) // "5 items"
```
## Date & Time Formatting
Use the `intl` package for locale-aware date/time formatting:
```dart
import 'package:intl/intl.dart';
// Format date based on current locale
final now = DateTime.now();
final locale = Localizations.localeOf(context).toString();
// Vietnamese: "17/10/2025"
// English: "10/17/2025"
final dateFormatter = DateFormat.yMd(locale);
final formattedDate = dateFormatter.format(now);
// Vietnamese: "17 tháng 10, 2025"
// English: "October 17, 2025"
final longDateFormatter = DateFormat.yMMMMd(locale);
final formattedLongDate = longDateFormatter.format(now);
```
## Changing Language at Runtime
### Create Language Provider
```dart
// lib/core/providers/language_provider.dart
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
final languageProvider = StateNotifierProvider<LanguageNotifier, Locale>((ref) {
return LanguageNotifier();
});
class LanguageNotifier extends StateNotifier<Locale> {
LanguageNotifier() : super(const Locale('vi', 'VN')) {
_loadSavedLanguage();
}
Future<void> _loadSavedLanguage() async {
final prefs = await SharedPreferences.getInstance();
final languageCode = prefs.getString('language_code') ?? 'vi';
final countryCode = prefs.getString('country_code') ?? 'VN';
state = Locale(languageCode, countryCode);
}
Future<void> setLanguage(Locale locale) async {
state = locale;
final prefs = await SharedPreferences.getInstance();
await prefs.setString('language_code', locale.languageCode);
await prefs.setString('country_code', locale.countryCode ?? '');
}
void setVietnamese() => setLanguage(const Locale('vi', 'VN'));
void setEnglish() => setLanguage(const Locale('en', 'US'));
}
```
### Update WorkerApp
```dart
class WorkerApp extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final locale = ref.watch(languageProvider);
return MaterialApp(
locale: locale,
// ... other configurations
);
}
}
```
### Language Selector Widget
```dart
class LanguageSelector extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final currentLocale = ref.watch(languageProvider);
return DropdownButton<Locale>(
value: currentLocale,
items: const [
DropdownMenuItem(
value: Locale('vi', 'VN'),
child: Text('Tiếng Việt'),
),
DropdownMenuItem(
value: Locale('en', 'US'),
child: Text('English'),
),
],
onChanged: (locale) {
if (locale != null) {
ref.read(languageProvider.notifier).setLanguage(locale);
}
},
);
}
}
```
## Best Practices
### 1. Naming Conventions
- Use **camelCase** for translation keys
- Be descriptive but concise
- Group related translations with prefixes (e.g., `order*`, `payment*`)
- Avoid abbreviations
**Good:**
```json
{
"loginButton": "Login",
"orderNumber": "Order Number",
"paymentMethod": "Payment Method"
}
```
**Bad:**
```json
{
"btn_login": "Login",
"ord_num": "Order Number",
"pay_meth": "Payment Method"
}
```
### 2. Reserved Keywords
Avoid Dart reserved keywords as translation keys:
- `continue` → Use `continueButton` instead
- `switch` → Use `switchButton` instead
- `class` → Use `className` instead
- `return` → Use `returnButton` instead
### 3. Context in Descriptions
Always add `@` descriptions to provide context:
```json
{
"save": "Save",
"@save": {
"description": "Button label to save changes"
}
}
```
### 4. Consistent Formatting
Maintain consistent capitalization and punctuation:
**Vietnamese:**
- Sentence case for labels
- No period at the end of single phrases
- Use full Vietnamese diacritics
**English:**
- Title Case for buttons and headers
- Sentence case for descriptions
- Consistent use of punctuation
### 5. Placeholder Examples
Always provide example values for placeholders:
```json
{
"greeting": "Hello, {name}!",
"@greeting": {
"description": "Greeting message",
"placeholders": {
"name": {
"type": "String",
"example": "John"
}
}
}
}
```
## Testing Localizations
### Widget Tests
```dart
testWidgets('Login page shows Vietnamese translations', (tester) async {
await tester.pumpWidget(
MaterialApp(
locale: const Locale('vi', 'VN'),
localizationsDelegates: AppLocalizations.localizationsDelegates,
supportedLocales: AppLocalizations.supportedLocales,
home: LoginPage(),
),
);
expect(find.text('Đăng nhập'), findsOneWidget);
expect(find.text('Số điện thoại'), findsOneWidget);
});
testWidgets('Login page shows English translations', (tester) async {
await tester.pumpWidget(
MaterialApp(
locale: const Locale('en', 'US'),
localizationsDelegates: AppLocalizations.localizationsDelegates,
supportedLocales: AppLocalizations.supportedLocales,
home: LoginPage(),
),
);
expect(find.text('Login'), findsOneWidget);
expect(find.text('Phone Number'), findsOneWidget);
});
```
### Translation Completeness Test
```dart
void main() {
test('All Vietnamese translations match English keys', () {
final enFile = File('lib/l10n/app_en.arb');
final viFile = File('lib/l10n/app_vi.arb');
final enJson = jsonDecode(enFile.readAsStringSync());
final viJson = jsonDecode(viFile.readAsStringSync());
final enKeys = enJson.keys.where((k) => !k.startsWith('@')).toList();
final viKeys = viJson.keys.where((k) => !k.startsWith('@')).toList();
expect(enKeys.length, viKeys.length);
for (final key in enKeys) {
expect(viKeys.contains(key), isTrue, reason: 'Missing key: $key');
}
});
}
```
## Troubleshooting
### Issue: "AppLocalizations not found"
**Solution:** Run the code generator:
```bash
flutter gen-l10n
```
### Issue: "Duplicate keys in ARB file"
**Solution:** Each key must be unique within an ARB file. Check for duplicates.
### Issue: "Invalid placeholder type"
**Solution:** Supported types are: `String`, `num`, `int`, `double`, `DateTime`, `Object`
### Issue: "Translations not updating"
**Solution:**
1. Run `flutter gen-l10n`
2. Hot restart (not hot reload) the app
3. Clear build cache if needed: `flutter clean`
## Translation Workflow
### For Developers
1. **Add English translation** to `app_en.arb`
2. **Add Vietnamese translation** to `app_vi.arb`
3. **Run code generator**: `flutter gen-l10n`
4. **Use in code**: `context.l10n.newKey`
5. **Test both languages**
### For Translators
1. **Review** the English ARB file (`app_en.arb`)
2. **Translate** each key to Vietnamese in `app_vi.arb`
3. **Maintain** the same structure and placeholders
4. **Add** `@key` descriptions if needed
5. **Test** context and meaning
## Resources
- [Flutter Internationalization](https://docs.flutter.dev/development/accessibility-and-localization/internationalization)
- [ARB File Format](https://github.com/google/app-resource-bundle/wiki/ApplicationResourceBundleSpecification)
- [ICU Message Format](https://unicode-org.github.io/icu/userguide/format_parse/messages/)
- [Intl Package](https://pub.dev/packages/intl)
## Translation Statistics
- **Total Translation Keys**: 450+
- **Languages**: 2 (Vietnamese, English)
- **Coverage**: 100% (Both languages fully translated)
- **Parameterized Keys**: 20+
- **Pluralization Keys**: 10+
- **Categories**: 26 major categories
- **Helper Functions**: 15+ utility methods
## Quick Reference Table
| Category | Key Count | Examples |
|----------|-----------|----------|
| Authentication | 25+ | login, phone, verifyOTP, register, logout |
| Navigation | 10+ | home, products, loyalty, account, more |
| Common Actions | 30+ | save, cancel, delete, edit, search, filter |
| Status Labels | 20+ | pending, completed, active, expired |
| Form Labels | 30+ | name, email, address, company, taxId |
| User Types | 5+ | contractor, architect, distributor, broker |
| Loyalty System | 50+ | points, rewards, referral, tierBenefits |
| Products | 35+ | product, price, cart, sku, brand |
| Cart & Checkout | 30+ | cartEmpty, updateQuantity, orderSummary |
| Orders & Payments | 40+ | orderNumber, payment, trackOrder |
| Projects & Quotes | 45+ | projectName, budget, quotes |
| Account & Profile | 40+ | profile, settings, addresses |
| Loyalty Transactions | 20+ | earnPoints, redeemPoints, bonusPoints |
| Gifts & Rewards | 25+ | myGifts, activeGifts, rewardCategory |
| Referral Program | 15+ | referralInvite, shareYourCode |
| Validation Messages | 20+ | fieldRequired, invalidEmail |
| Error Messages | 15+ | error, networkError, sessionExpired |
| Success Messages | 15+ | success, savedSuccessfully |
| Loading States | 10+ | loading, processing, syncInProgress |
| Empty States | 15+ | noData, noResults, noProductsFound |
| Date & Time | 20+ | today, yesterday, minutesAgo |
| Notifications | 25+ | notifications, markAsRead |
| Chat | 20+ | chat, sendMessage, typingIndicator |
| Filters & Sorting | 15+ | filterBy, sortBy, applyFilters |
| Offline & Sync | 15+ | offlineMode, syncData, lastSyncAt |
| Miscellaneous | 20+ | version, help, feedback, comingSoon |
---
## Summary
The Worker app localization system provides:
- **Comprehensive Coverage**: 450+ translation keys across 26 categories
- **Full Bilingual Support**: Vietnamese (primary) and English (secondary)
- **Advanced Features**: Pluralization, parameterization, date/time formatting
- **Developer-Friendly**: Helper extensions and utilities for easy integration
- **Type-Safe**: Flutter's code generation ensures compile-time safety
- **Maintainable**: Clear organization and documentation
### Key Files
- `/Users/ssg/project/worker/lib/l10n/app_vi.arb` - Vietnamese translations
- `/Users/ssg/project/worker/lib/l10n/app_en.arb` - English translations
- `/Users/ssg/project/worker/lib/core/utils/l10n_extensions.dart` - Helper utilities
- `/Users/ssg/project/worker/l10n.yaml` - Configuration
- `/Users/ssg/project/worker/LOCALIZATION.md` - This documentation
---
**Last Updated**: October 17, 2025
**Version**: 1.0.0
**Languages Supported**: Vietnamese (Primary), English (Secondary)
**Total Translation Keys**: 450+
**Maintained By**: Worker App Development Team

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# Riverpod 3.0 Setup - Worker Flutter App
## Overview
This document provides a complete guide to the Riverpod 3.0 state management setup for the Worker Flutter app.
## What's Configured
### 1. Dependencies (pubspec.yaml)
**Production Dependencies:**
- `flutter_riverpod: ^3.0.0` - Main Riverpod package
- `riverpod_annotation: ^3.0.0` - Annotations for code generation
**Development Dependencies:**
- `build_runner: ^2.4.11` - Code generation runner
- `riverpod_generator: ^3.0.0` - Generates provider code from annotations
- `riverpod_lint: ^3.0.0` - Riverpod-specific linting rules
- `custom_lint: ^0.7.0` - Required for riverpod_lint
### 2. Build Configuration (build.yaml)
Configured to generate code for:
- `**_provider.dart` files
- Files in `**/providers/` directories
- Files in `**/notifiers/` directories
### 3. Analysis Options (analysis_options.yaml)
Configured with:
- Custom lint plugin enabled
- Exclusion of generated files (*.g.dart, *.freezed.dart)
- Riverpod-specific lint rules
- Comprehensive code quality rules
### 4. App Initialization (main.dart)
Wrapped with `ProviderScope`:
```dart
void main() {
runApp(
const ProviderScope(
child: MyApp(),
),
);
}
```
## Directory Structure
```
lib/core/providers/
├── connectivity_provider.dart # Network connectivity monitoring
├── provider_examples.dart # Comprehensive Riverpod 3.0 examples
└── README.md # Provider architecture documentation
```
## Quick Start
### 1. Install Dependencies
```bash
flutter pub get
```
### 2. Generate Provider Code
```bash
# One-time generation
dart run build_runner build --delete-conflicting-outputs
# Watch mode (auto-regenerates on file changes)
dart run build_runner watch -d
```
### 3. Use the Setup Script
```bash
chmod +x scripts/setup_riverpod.sh
./scripts/setup_riverpod.sh
```
## Core Providers
### Connectivity Provider
Location: `/lib/core/providers/connectivity_provider.dart`
**Purpose:** Monitor network connectivity status across the app.
**Providers Available:**
1. **connectivityProvider** - Connectivity instance
```dart
final connectivity = ref.watch(connectivityProvider);
```
2. **connectivityStreamProvider** - Real-time connectivity stream
```dart
final status = ref.watch(connectivityStreamProvider);
status.when(
data: (status) => Text('Status: $status'),
loading: () => CircularProgressIndicator(),
error: (e, _) => Text('Error: $e'),
);
```
3. **currentConnectivityProvider** - One-time connectivity check
```dart
final status = await ref.read(currentConnectivityProvider.future);
```
4. **isOnlineProvider** - Boolean online/offline stream
```dart
final isOnline = ref.watch(isOnlineProvider);
```
**Usage Example:**
```dart
class MyWidget extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final connectivityState = ref.watch(connectivityStreamProvider);
return connectivityState.when(
data: (status) {
if (status == ConnectivityStatus.offline) {
return OfflineBanner();
}
return OnlineContent();
},
loading: () => LoadingIndicator(),
error: (error, _) => ErrorWidget(error),
);
}
}
```
## Riverpod 3.0 Key Features
### 1. @riverpod Annotation (Code Generation)
The modern, recommended approach:
```dart
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'my_provider.g.dart';
// Simple value
@riverpod
String greeting(GreetingRef ref) => 'Hello';
// Async value
@riverpod
Future<User> user(UserRef ref, String id) async {
return await fetchUser(id);
}
// Mutable state
@riverpod
class Counter extends _$Counter {
@override
int build() => 0;
void increment() => state++;
}
```
### 2. Unified Ref Type
No more separate `FutureProviderRef`, `StreamProviderRef`, etc. - just `Ref`:
```dart
@riverpod
Future<String> example(ExampleRef ref) async {
ref.watch(provider1);
ref.read(provider2);
ref.listen(provider3, (prev, next) {});
}
```
### 3. Family as Function Parameters
```dart
// Simple parameter
@riverpod
Future<User> user(UserRef ref, String id) async {
return await fetchUser(id);
}
// Multiple parameters with named, optional, defaults
@riverpod
Future<List<Post>> posts(
PostsRef ref, {
required String userId,
int page = 1,
int limit = 20,
String? category,
}) async {
return await fetchPosts(userId, page, limit, category);
}
// Usage
ref.watch(userProvider('user123'));
ref.watch(postsProvider(userId: 'user123', page: 2));
```
### 4. AutoDispose vs KeepAlive
```dart
// AutoDispose (default) - cleaned up when not watched
@riverpod
String autoExample(AutoExampleRef ref) => 'Auto disposed';
// KeepAlive - stays alive until app closes
@Riverpod(keepAlive: true)
String keepExample(KeepExampleRef ref) => 'Kept alive';
```
### 5. ref.mounted Check
New in Riverpod 3.0 - check if provider is still alive after async operations:
```dart
@riverpod
class DataManager extends _$DataManager {
@override
String build() => 'Initial';
Future<void> updateData() async {
await Future.delayed(Duration(seconds: 2));
// Check if provider is still mounted
if (!ref.mounted) return;
state = 'Updated';
}
}
```
### 6. AsyncValue.guard() for Error Handling
```dart
@riverpod
class UserProfile extends _$UserProfile {
@override
Future<User> build() async => await fetchUser();
Future<void> update(String name) async {
state = const AsyncValue.loading();
// AsyncValue.guard catches errors automatically
state = await AsyncValue.guard(() async {
return await updateUser(name);
});
}
}
```
## Provider Patterns
### 1. Simple Provider (Immutable Value)
```dart
@riverpod
String appVersion(AppVersionRef ref) => '1.0.0';
@riverpod
int pointsMultiplier(PointsMultiplierRef ref) {
final tier = ref.watch(userTierProvider);
return tier == 'diamond' ? 3 : 2;
}
```
### 2. FutureProvider (Async Data)
```dart
@riverpod
Future<User> currentUser(CurrentUserRef ref) async {
final token = await ref.watch(authTokenProvider.future);
return await fetchUser(token);
}
```
### 3. StreamProvider (Real-time Data)
```dart
@riverpod
Stream<List<Message>> chatMessages(ChatMessagesRef ref, String roomId) {
return ref.watch(webSocketProvider).messages(roomId);
}
```
### 4. Notifier (Mutable State)
```dart
@riverpod
class Cart extends _$Cart {
@override
List<CartItem> build() => [];
void addItem(Product product) {
state = [...state, CartItem.fromProduct(product)];
}
void removeItem(String id) {
state = state.where((item) => item.id != id).toList();
}
void clear() {
state = [];
}
}
```
### 5. AsyncNotifier (Async Mutable State)
```dart
@riverpod
class UserProfile extends _$UserProfile {
@override
Future<User> build() async {
return await ref.read(userRepositoryProvider).getCurrentUser();
}
Future<void> updateName(String name) async {
state = const AsyncValue.loading();
state = await AsyncValue.guard(() async {
final updated = await ref.read(userRepositoryProvider).updateName(name);
return updated;
});
}
Future<void> refresh() async {
ref.invalidateSelf();
}
}
```
### 6. StreamNotifier (Stream Mutable State)
```dart
@riverpod
class LiveChat extends _$LiveChat {
@override
Stream<List<Message>> build(String roomId) {
return ref.watch(chatServiceProvider).messagesStream(roomId);
}
Future<void> sendMessage(String text) async {
await ref.read(chatServiceProvider).send(roomId, text);
}
}
```
## Usage in Widgets
### ConsumerWidget
```dart
class ProductList extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final products = ref.watch(productsProvider);
return products.when(
data: (list) => ListView.builder(
itemCount: list.length,
itemBuilder: (context, index) => ProductCard(list[index]),
),
loading: () => CircularProgressIndicator(),
error: (error, stack) => ErrorView(error),
);
}
}
```
### ConsumerStatefulWidget
```dart
class OrderPage extends ConsumerStatefulWidget {
@override
ConsumerState<OrderPage> createState() => _OrderPageState();
}
class _OrderPageState extends ConsumerState<OrderPage> {
@override
void initState() {
super.initState();
// Can use ref in all lifecycle methods
Future.microtask(
() => ref.read(ordersProvider.notifier).loadOrders(),
);
}
@override
Widget build(BuildContext context) {
final orders = ref.watch(ordersProvider);
return OrderList(orders);
}
}
```
### Consumer (Optimization)
```dart
Column(
children: [
const StaticHeader(),
Consumer(
builder: (context, ref, child) {
final count = ref.watch(cartCountProvider);
return CartBadge(count);
},
),
],
)
```
## Performance Optimization
### Use .select() to Watch Specific Fields
```dart
// Bad - rebuilds on any user change
final user = ref.watch(userProvider);
// Good - rebuilds only when name changes
final name = ref.watch(userProvider.select((user) => user.name));
// Good with AsyncValue
final userName = ref.watch(
userProfileProvider.select((async) => async.value?.name),
);
```
### Provider Composition
```dart
@riverpod
Future<Dashboard> dashboard(DashboardRef ref) async {
// Depend on other providers
final user = await ref.watch(userProvider.future);
final stats = await ref.watch(statsProvider.future);
final orders = await ref.watch(recentOrdersProvider.future);
return Dashboard(
user: user,
stats: stats,
recentOrders: orders,
);
}
```
## Testing
### Unit Testing Providers
```dart
test('counter increments', () {
final container = ProviderContainer();
addTearDown(container.dispose);
expect(container.read(counterProvider), 0);
container.read(counterProvider.notifier).increment();
expect(container.read(counterProvider), 1);
});
test('async provider fetches data', () async {
final container = ProviderContainer();
addTearDown(container.dispose);
final user = await container.read(userProvider.future);
expect(user.name, 'John Doe');
});
```
### Widget Testing
```dart
testWidgets('displays user name', (tester) async {
await tester.pumpWidget(
ProviderScope(
overrides: [
userProvider.overrideWith((ref) => User(name: 'Test User')),
],
child: MaterialApp(home: UserScreen()),
),
);
expect(find.text('Test User'), findsOneWidget);
});
```
### Mocking Providers
```dart
testWidgets('handles loading state', (tester) async {
await tester.pumpWidget(
ProviderScope(
overrides: [
userProvider.overrideWith((ref) {
return Future.delayed(
Duration(seconds: 10),
() => User(name: 'Test'),
);
}),
],
child: MaterialApp(home: UserScreen()),
),
);
expect(find.byType(CircularProgressIndicator), findsOneWidget);
});
```
## Linting
### Run Riverpod Lint
```bash
# Check for Riverpod-specific issues
dart run custom_lint
# Auto-fix issues
dart run custom_lint --fix
```
### Riverpod Lint Rules Enabled
- `provider_dependencies` - Ensure proper dependency usage
- `scoped_providers_should_specify_dependencies` - Scoped provider safety
- `avoid_public_notifier_properties` - Encapsulation
- `avoid_ref_read_inside_build` - Performance (don't use ref.read in build)
- `avoid_manual_providers_as_generated_provider_dependency` - Use generated providers
- `functional_ref` - Proper ref usage
- `notifier_build` - Proper Notifier implementation
## Common Issues & Solutions
### Issue 1: Generated files not found
**Solution:**
```bash
dart run build_runner build --delete-conflicting-outputs
```
### Issue 2: Provider not updating
**Solution:** Check if you're using `ref.watch()` not `ref.read()` in build method.
### Issue 3: Memory leaks
**Solution:** Use autoDispose (default) for providers that should clean up. Only use keepAlive for global state.
### Issue 4: Too many rebuilds
**Solution:** Use `.select()` to watch specific fields instead of entire objects.
## Migration from Riverpod 2.x
### StateNotifierProvider → Notifier
```dart
// Old (2.x)
class Counter extends StateNotifier<int> {
Counter() : super(0);
void increment() => state++;
}
final counterProvider = StateNotifierProvider<Counter, int>(Counter.new);
// New (3.0)
@riverpod
class Counter extends _$Counter {
@override
int build() => 0;
void increment() => state++;
}
```
### Provider.family → Function Parameters
```dart
// Old (2.x)
final userProvider = FutureProvider.family<User, String>((ref, id) async {
return fetchUser(id);
});
// New (3.0)
@riverpod
Future<User> user(UserRef ref, String id) async {
return fetchUser(id);
}
```
## Examples
Comprehensive examples are available in:
- `/lib/core/providers/provider_examples.dart` - All Riverpod 3.0 patterns
- `/lib/core/providers/connectivity_provider.dart` - Real-world connectivity monitoring
## Resources
- [Riverpod Documentation](https://riverpod.dev)
- [Code Generation Guide](https://riverpod.dev/docs/concepts/about_code_generation)
- [Migration Guide](https://riverpod.dev/docs/migration/from_state_notifier)
- [Provider Examples](./lib/core/providers/provider_examples.dart)
## Next Steps
1. Run `flutter pub get` to install dependencies
2. Run `dart run build_runner watch -d` to start code generation
3. Create feature-specific providers in `lib/features/*/presentation/providers/`
4. Follow the patterns in `provider_examples.dart`
5. Use connectivity_provider as a reference for real-world implementation
## Support
For questions or issues:
1. Check provider_examples.dart for patterns
2. Review the Riverpod documentation
3. Run custom_lint to catch common mistakes
4. Use ref.watch() in build methods, ref.read() in event handlers

551
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@@ -0,0 +1,551 @@
# Riverpod 3.0 Setup Summary - Worker Flutter App
## ✅ Setup Complete!
Riverpod 3.0 with code generation has been successfully configured for the Worker Flutter app.
## What Was Configured
### 1. Dependencies Updated (pubspec.yaml)
**Production:**
- `flutter_riverpod: ^3.0.0` - Core Riverpod package for Flutter
- `riverpod_annotation: ^3.0.0` - Annotations for code generation
**Development:**
- `build_runner: ^2.4.11` - Code generation engine
- `riverpod_generator: ^3.0.0` - Generates provider code
- `riverpod_lint: ^3.0.0` - Riverpod-specific linting
- `custom_lint: ^0.8.0` - Required for riverpod_lint
### 2. Build Configuration (build.yaml)
✅ Configured to auto-generate code for:
- `**_provider.dart` files
- `**/providers/*.dart` directories
- `**/notifiers/*.dart` directories
### 3. Linting (analysis_options.yaml)
✅ Enabled custom_lint with Riverpod rules:
- `provider_dependencies` - Proper dependency tracking
- `avoid_ref_read_inside_build` - Performance optimization
- `avoid_public_notifier_properties` - Encapsulation
- `functional_ref` - Proper ref usage
- `notifier_build` - Correct Notifier implementation
- And more...
### 4. App Initialization (main.dart)
✅ Wrapped with ProviderScope:
```dart
void main() {
runApp(
const ProviderScope(
child: MyApp(),
),
);
}
```
### 5. Core Providers Created
#### **connectivity_provider.dart** - Network Monitoring
Four providers for connectivity management:
1. **connectivityProvider** - Connectivity instance
2. **connectivityStreamProvider** - Real-time connectivity stream
3. **currentConnectivityProvider** - One-time connectivity check
4. **isOnlineProvider** - Boolean online/offline stream
**Usage Example:**
```dart
class MyWidget extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final connectivityState = ref.watch(connectivityStreamProvider);
return connectivityState.when(
data: (status) {
if (status == ConnectivityStatus.offline) {
return OfflineBanner();
}
return OnlineContent();
},
loading: () => CircularProgressIndicator(),
error: (error, _) => ErrorView(error),
);
}
}
```
#### **provider_examples.dart** - Comprehensive Examples
Complete examples of all Riverpod 3.0 patterns:
- ✅ Simple providers (immutable values)
- ✅ Async providers (FutureProvider pattern)
- ✅ Stream providers
- ✅ Notifier (mutable state with methods)
- ✅ AsyncNotifier (async mutable state)
- ✅ StreamNotifier (stream mutable state)
- ✅ Family (parameters as function arguments)
- ✅ Provider composition
- ✅ AutoDispose vs KeepAlive
- ✅ Lifecycle hooks
- ✅ Error handling with AsyncValue.guard()
- ✅ ref.mounted checks
- ✅ Invalidation and refresh
### 6. Documentation
✅ **RIVERPOD_SETUP.md** - Complete setup guide with:
- Installation instructions
- Code generation commands
- Usage patterns and examples
- Testing strategies
- Migration guide from Riverpod 2.x
- Common issues and solutions
✅ **lib/core/providers/README.md** - Provider architecture documentation
✅ **scripts/setup_riverpod.sh** - Automated setup script
## Directory Structure
```
lib/core/providers/
├── connectivity_provider.dart # Network monitoring provider
├── connectivity_provider.g.dart # ✅ Generated code
├── provider_examples.dart # All Riverpod 3.0 patterns
├── provider_examples.g.dart # ✅ Generated code
└── README.md # Architecture docs
scripts/
└── setup_riverpod.sh # Automated setup script
Root files:
├── build.yaml # Build configuration
├── analysis_options.yaml # Linting configuration
├── RIVERPOD_SETUP.md # Complete guide
└── RIVERPOD_SUMMARY.md # This file
```
## ✅ Verification
All code generation completed successfully:
- ✅ connectivity_provider.g.dart generated
- ✅ provider_examples.g.dart generated
- ✅ No Riverpod-related errors in flutter analyze
- ✅ Dependencies installed
- ✅ ProviderScope configured
## Quick Commands
### Install Dependencies
```bash
flutter pub get
```
### Generate Provider Code
```bash
# One-time generation
dart run build_runner build --delete-conflicting-outputs
# Watch mode (recommended during development)
dart run build_runner watch -d
# Clean and rebuild
dart run build_runner clean && dart run build_runner build --delete-conflicting-outputs
```
### Run Linting
```bash
# Check for Riverpod issues
dart run custom_lint
# Auto-fix issues
dart run custom_lint --fix
```
### Analyze Code
```bash
flutter analyze
```
### Use Setup Script
```bash
./scripts/setup_riverpod.sh
```
## Riverpod 3.0 Key Features
### 1. @riverpod Annotation
```dart
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'my_provider.g.dart';
@riverpod
String myValue(MyValueRef ref) => 'Hello';
```
### 2. Family as Function Parameters
```dart
@riverpod
Future<User> user(UserRef ref, String userId) async {
return await fetchUser(userId);
}
// Usage
ref.watch(userProvider('user123'));
```
### 3. Notifier for Mutable State
```dart
@riverpod
class Counter extends _$Counter {
@override
int build() => 0;
void increment() => state++;
}
// Usage
ref.watch(counterProvider); // Get state
ref.read(counterProvider.notifier).increment(); // Call method
```
### 4. AsyncNotifier for Async Mutable State
```dart
@riverpod
class UserProfile extends _$UserProfile {
@override
Future<User> build() async => await fetchUser();
Future<void> update(String name) async {
state = const AsyncValue.loading();
state = await AsyncValue.guard(() async {
return await updateUser(name);
});
}
}
```
### 5. Unified Ref Type
```dart
// All providers use the same Ref type
@riverpod
Future<String> example(ExampleRef ref) async {
ref.watch(provider1);
ref.read(provider2);
ref.listen(provider3, (prev, next) {});
}
```
### 6. ref.mounted Check
```dart
@riverpod
class Example extends _$Example {
@override
String build() => 'Initial';
Future<void> update() async {
await Future.delayed(Duration(seconds: 2));
// Check if still mounted
if (!ref.mounted) return;
state = 'Updated';
}
}
```
## Usage in Widgets
### ConsumerWidget
```dart
class MyWidget extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final value = ref.watch(myProvider);
return Text(value);
}
}
```
### ConsumerStatefulWidget
```dart
class MyWidget extends ConsumerStatefulWidget {
@override
ConsumerState<MyWidget> createState() => _MyWidgetState();
}
class _MyWidgetState extends ConsumerState<MyWidget> {
@override
Widget build(BuildContext context) {
final value = ref.watch(myProvider);
return Text(value);
}
}
```
### Consumer (for optimization)
```dart
Consumer(
builder: (context, ref, child) {
final count = ref.watch(counterProvider);
return Text('$count');
},
)
```
## Best Practices
### ✅ DO
1. **Use .select() for optimization**
```dart
final name = ref.watch(userProvider.select((user) => user.name));
```
2. **Use AsyncValue.guard() for error handling**
```dart
state = await AsyncValue.guard(() async {
return await api.call();
});
```
3. **Check ref.mounted after async operations**
```dart
await Future.delayed(Duration(seconds: 1));
if (!ref.mounted) return;
state = newValue;
```
4. **Use autoDispose by default**
```dart
@riverpod // autoDispose by default
String example(ExampleRef ref) => 'value';
```
5. **Keep providers in dedicated directories**
```
lib/features/auth/presentation/providers/
lib/features/products/presentation/providers/
```
### ❌ DON'T
1. **Don't use ref.read() in build methods**
```dart
// BAD
Widget build(BuildContext context, WidgetRef ref) {
final value = ref.read(myProvider); // ❌
return Text(value);
}
// GOOD
Widget build(BuildContext context, WidgetRef ref) {
final value = ref.watch(myProvider); // ✅
return Text(value);
}
```
2. **Don't use StateNotifierProvider** (deprecated in Riverpod 3.0)
```dart
// Use Notifier instead
@riverpod
class Counter extends _$Counter {
@override
int build() => 0;
void increment() => state++;
}
```
3. **Don't forget the part directive**
```dart
// Required!
part 'my_provider.g.dart';
```
## Next Steps
### 1. For Feature Development
Create providers in feature-specific directories:
```
lib/features/auth/presentation/providers/
├── auth_provider.dart
├── auth_provider.g.dart # Generated
├── login_form_provider.dart
└── login_form_provider.g.dart # Generated
```
### 2. Provider Template
```dart
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'my_provider.g.dart';
@riverpod
class MyFeature extends _$MyFeature {
@override
MyState build() {
// Initialize
return MyState.initial();
}
void updateState() {
// Modify state
state = state.copyWith(/* ... */);
}
}
```
### 3. Run Code Generation
After creating a provider:
```bash
dart run build_runner watch -d
```
### 4. Use in Widgets
```dart
class MyScreen extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final state = ref.watch(myFeatureProvider);
return Column(
children: [
Text(state.value),
ElevatedButton(
onPressed: () {
ref.read(myFeatureProvider.notifier).updateState();
},
child: Text('Update'),
),
],
);
}
}
```
## Testing
### Unit Test Example
```dart
test('counter increments', () {
final container = ProviderContainer();
addTearDown(container.dispose);
expect(container.read(counterProvider), 0);
container.read(counterProvider.notifier).increment();
expect(container.read(counterProvider), 1);
});
```
### Widget Test Example
```dart
testWidgets('displays user name', (tester) async {
await tester.pumpWidget(
ProviderScope(
overrides: [
userProvider.overrideWith((ref) => User(name: 'Test')),
],
child: MaterialApp(home: UserScreen()),
),
);
expect(find.text('Test'), findsOneWidget);
});
```
## Examples Reference
All Riverpod 3.0 patterns are documented with working examples in:
📄 **lib/core/providers/provider_examples.dart**
This file includes:
- ✅ 11 different provider patterns
- ✅ Real code examples (not pseudocode)
- ✅ Detailed comments explaining each pattern
- ✅ Usage examples in comments
- ✅ Migration notes from Riverpod 2.x
## Connectivity Provider
The connectivity provider is a real-world example showing:
- ✅ Simple provider (Connectivity instance)
- ✅ Stream provider (connectivity changes)
- ✅ Future provider (one-time check)
- ✅ Derived provider (isOnline boolean)
- ✅ Proper documentation
- ✅ Usage examples
Use it as a template for creating your own providers!
## Resources
- 📚 [Riverpod Documentation](https://riverpod.dev)
- 📚 [Code Generation Guide](https://riverpod.dev/docs/concepts/about_code_generation)
- 📚 [Migration Guide](https://riverpod.dev/docs/migration/from_state_notifier)
- 📄 [Provider Examples](./lib/core/providers/provider_examples.dart)
- 📄 [Connectivity Provider](./lib/core/providers/connectivity_provider.dart)
- 📄 [Complete Setup Guide](./RIVERPOD_SETUP.md)
## Support & Help
If you encounter issues:
1. **Check examples** in provider_examples.dart
2. **Review documentation** in RIVERPOD_SETUP.md
3. **Run linting** with `dart run custom_lint`
4. **Check generated files** (*.g.dart) exist
5. **Verify part directive** is present in provider files
6. **Ensure ProviderScope** wraps the app in main.dart
## Common Issues & Solutions
### Issue: "Target of URI doesn't exist"
**Solution:** Run code generation:
```bash
dart run build_runner build --delete-conflicting-outputs
```
### Issue: "Classes can only mix in mixins"
**Solution:** Make sure the part directive is correct:
```dart
part 'my_provider.g.dart'; // Must match filename
```
### Issue: Provider not updating
**Solution:** Use ref.watch() in build, ref.read() in callbacks
### Issue: Too many rebuilds
**Solution:** Use .select() to watch specific fields
## Conclusion
✅ Riverpod 3.0 with code generation is fully configured and ready to use!
**Key Benefits:**
- ✅ Type-safe state management
- ✅ Less boilerplate with code generation
- ✅ Automatic provider type selection
- ✅ Better hot-reload support
- ✅ Comprehensive linting
- ✅ Excellent documentation
**You can now:**
1. Create providers using @riverpod annotation
2. Use connectivity monitoring immediately
3. Reference provider_examples.dart for patterns
4. Start building feature-specific providers
5. Test providers with ProviderContainer
**Happy coding! 🚀**

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analysis_options.yaml
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@@ -1,28 +1,138 @@
# This file configures the analyzer, which statically analyzes Dart code to
# check for errors, warnings, and lints.
#
# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
# invoked from the command line by running `flutter analyze`.
# Analysis options for Worker Flutter app
# This file configures static analysis and linting
# The following line activates a set of recommended lints for Flutter apps,
# packages, and plugins designed to encourage good coding practices.
include: package:flutter_lints/flutter.yaml
linter:
# The lint rules applied to this project can be customized in the
# section below to disable rules from the `package:flutter_lints/flutter.yaml`
# included above or to enable additional rules. A list of all available lints
# and their documentation is published at https://dart.dev/lints.
#
# Instead of disabling a lint rule for the entire project in the
# section below, it can also be suppressed for a single line of code
# or a specific dart file by using the `// ignore: name_of_lint` and
# `// ignore_for_file: name_of_lint` syntax on the line or in the file
# producing the lint.
rules:
# avoid_print: false # Uncomment to disable the `avoid_print` rule
# prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule
analyzer:
# Enable custom_lint for Riverpod linting
plugins:
- custom_lint
# Additional information about this file can be found at
# https://dart.dev/guides/language/analysis-options
exclude:
- "**/*.g.dart"
- "**/*.freezed.dart"
- "**/*.config.dart"
- build/**
- lib/generated/**
errors:
# Treat these as warnings instead of errors
todo: ignore
deprecated_member_use: warning
deprecated_member_use_from_same_package: warning
language:
strict-casts: true
strict-inference: true
strict-raw-types: true
linter:
rules:
# Core rules for code quality
- always_declare_return_types
- always_use_package_imports
- annotate_overrides
- avoid_bool_literals_in_conditional_expressions
- avoid_catching_errors
- avoid_dynamic_calls
- avoid_empty_else
- avoid_print
- avoid_relative_lib_imports
- avoid_returning_null_for_void
- avoid_unnecessary_containers
- avoid_unused_constructor_parameters
- await_only_futures
- camel_case_extensions
- camel_case_types
- cancel_subscriptions
- cascade_invocations
- close_sinks
- constant_identifier_names
- curly_braces_in_flow_control_structures
- depend_on_referenced_packages
- directives_ordering
- empty_catches
- empty_constructor_bodies
- empty_statements
- exhaustive_cases
- file_names
- hash_and_equals
- implementation_imports
- leading_newlines_in_multiline_strings
- library_names
- library_prefixes
- no_duplicate_case_values
- no_logic_in_create_state
- non_constant_identifier_names
- null_closures
- overridden_fields
- package_names
- prefer_adjacent_string_concatenation
- prefer_collection_literals
- prefer_conditional_assignment
- prefer_const_constructors
- prefer_const_constructors_in_immutables
- prefer_const_declarations
- prefer_const_literals_to_create_immutables
- prefer_contains
- prefer_final_fields
- prefer_final_in_for_each
- prefer_final_locals
- prefer_for_elements_to_map_fromIterable
- prefer_function_declarations_over_variables
- prefer_if_null_operators
- prefer_initializing_formals
- prefer_inlined_adds
- prefer_interpolation_to_compose_strings
- prefer_is_empty
- prefer_is_not_empty
- prefer_is_not_operator
- prefer_iterable_whereType
- prefer_null_aware_operators
- prefer_single_quotes
- prefer_spread_collections
- prefer_typing_uninitialized_variables
- prefer_void_to_null
- provide_deprecation_message
- recursive_getters
- require_trailing_commas
- slash_for_doc_comments
- sort_child_properties_last
- sort_constructors_first
- type_init_formals
- unawaited_futures
- unnecessary_brace_in_string_interps
- unnecessary_const
- unnecessary_new
- unnecessary_null_aware_assignments
- unnecessary_null_checks
- unnecessary_null_in_if_null_operators
- unnecessary_overrides
- unnecessary_parenthesis
- unnecessary_statements
- unnecessary_string_escapes
- unnecessary_string_interpolations
- unnecessary_this
- unrelated_type_equality_checks
- use_build_context_synchronously
- use_full_hex_values_for_flutter_colors
- use_function_type_syntax_for_parameters
- use_key_in_widget_constructors
- use_late_for_private_fields_and_variables
- use_named_constants
- use_rethrow_when_possible
- use_super_parameters
- valid_regexps
- void_checks
# Custom lint configuration for Riverpod
custom_lint:
rules:
# Riverpod specific rules
- provider_dependencies
- scoped_providers_should_specify_dependencies
- avoid_public_notifier_properties
- avoid_ref_read_inside_build
- avoid_manual_providers_as_generated_provider_dependency
- functional_ref
- notifier_build

663
android/build/reports/problems/problems-report.html Normal file
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File diff suppressed because one or more lines are too long

47
build.yaml Normal file
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@@ -0,0 +1,47 @@
# Build configuration for code generation
# This file configures build_runner for Riverpod, Freezed, Hive CE, and JSON serialization
targets:
$default:
builders:
# Hive CE type adapter generation is automatic - no configuration needed
# Riverpod code generation
riverpod_generator:
generate_for:
- lib/**_provider.dart
- lib/**/providers/*.dart
- lib/**/notifiers/*.dart
- lib/core/network/*.dart
options:
# Generate providers with proper naming
provider_name_prefix: ""
# Freezed code generation for immutable models
freezed:
generate_for:
- lib/**_model.dart
- lib/**/models/*.dart
- lib/**/entities/*.dart
options:
union_key: 'type'
union_value_case: 'snake'
# JSON serialization
json_serializable:
generate_for:
- lib/**_model.dart
- lib/**/models/*.dart
options:
any_map: false
checked: true
create_factory: true
create_to_json: true
disallow_unrecognized_keys: false
explicit_to_json: true
field_rename: snake
generic_argument_factories: true
ignore_unannotated: false
include_if_null: false
# Global options - removed as runs_before is not supported in this context

1
ios/Flutter/Debug.xcconfig
View File

@@ -1 +1,2 @@
#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
#include "Generated.xcconfig"

1
ios/Flutter/Release.xcconfig
View File

@@ -1 +1,2 @@
#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
#include "Generated.xcconfig"

43
ios/Podfile Normal file
View File

@@ -0,0 +1,43 @@
# Uncomment this line to define a global platform for your project
# platform :ios, '13.0'
# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
ENV['COCOAPODS_DISABLE_STATS'] = 'true'
project 'Runner', {
'Debug' => :debug,
'Profile' => :release,
'Release' => :release,
}
def flutter_root
generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
unless File.exist?(generated_xcode_build_settings_path)
raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
end
File.foreach(generated_xcode_build_settings_path) do |line|
matches = line.match(/FLUTTER_ROOT\=(.*)/)
return matches[1].strip if matches
end
raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
end
require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
flutter_ios_podfile_setup
target 'Runner' do
use_frameworks!
flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
target 'RunnerTests' do
inherit! :search_paths
end
end
post_install do |installer|
installer.pods_project.targets.each do |target|
flutter_additional_ios_build_settings(target)
end
end

145
ios/Podfile.lock Normal file
View File

@@ -0,0 +1,145 @@
PODS:
- connectivity_plus (0.0.1):
- Flutter
- Flutter (1.0.0)
- GoogleDataTransport (9.4.1):
- GoogleUtilities/Environment (~> 7.7)
- nanopb (< 2.30911.0, >= 2.30908.0)
- PromisesObjC (< 3.0, >= 1.2)
- GoogleMLKit/BarcodeScanning (6.0.0):
- GoogleMLKit/MLKitCore
- MLKitBarcodeScanning (~> 5.0.0)
- GoogleMLKit/MLKitCore (6.0.0):
- MLKitCommon (~> 11.0.0)
- GoogleToolboxForMac/Defines (4.2.1)
- GoogleToolboxForMac/Logger (4.2.1):
- GoogleToolboxForMac/Defines (= 4.2.1)
- "GoogleToolboxForMac/NSData+zlib (4.2.1)":
- GoogleToolboxForMac/Defines (= 4.2.1)
- GoogleUtilities/Environment (7.13.3):
- GoogleUtilities/Privacy
- PromisesObjC (< 3.0, >= 1.2)
- GoogleUtilities/Logger (7.13.3):
- GoogleUtilities/Environment
- GoogleUtilities/Privacy
- GoogleUtilities/Privacy (7.13.3)
- GoogleUtilities/UserDefaults (7.13.3):
- GoogleUtilities/Logger
- GoogleUtilities/Privacy
- GoogleUtilitiesComponents (1.1.0):
- GoogleUtilities/Logger
- GTMSessionFetcher/Core (3.5.0)
- image_picker_ios (0.0.1):
- Flutter
- integration_test (0.0.1):
- Flutter
- MLImage (1.0.0-beta5)
- MLKitBarcodeScanning (5.0.0):
- MLKitCommon (~> 11.0)
- MLKitVision (~> 7.0)
- MLKitCommon (11.0.0):
- GoogleDataTransport (< 10.0, >= 9.4.1)
- GoogleToolboxForMac/Logger (< 5.0, >= 4.2.1)
- "GoogleToolboxForMac/NSData+zlib (< 5.0, >= 4.2.1)"
- GoogleUtilities/UserDefaults (< 8.0, >= 7.13.0)
- GoogleUtilitiesComponents (~> 1.0)
- GTMSessionFetcher/Core (< 4.0, >= 3.3.2)
- MLKitVision (7.0.0):
- GoogleToolboxForMac/Logger (< 5.0, >= 4.2.1)
- "GoogleToolboxForMac/NSData+zlib (< 5.0, >= 4.2.1)"
- GTMSessionFetcher/Core (< 4.0, >= 3.3.2)
- MLImage (= 1.0.0-beta5)
- MLKitCommon (~> 11.0)
- mobile_scanner (5.2.3):
- Flutter
- GoogleMLKit/BarcodeScanning (~> 6.0.0)
- nanopb (2.30910.0):
- nanopb/decode (= 2.30910.0)
- nanopb/encode (= 2.30910.0)
- nanopb/decode (2.30910.0)
- nanopb/encode (2.30910.0)
- path_provider_foundation (0.0.1):
- Flutter
- FlutterMacOS
- PromisesObjC (2.4.0)
- share_plus (0.0.1):
- Flutter
- shared_preferences_foundation (0.0.1):
- Flutter
- FlutterMacOS
- sqflite_darwin (0.0.4):
- Flutter
- FlutterMacOS
DEPENDENCIES:
- connectivity_plus (from `.symlinks/plugins/connectivity_plus/ios`)
- Flutter (from `Flutter`)
- image_picker_ios (from `.symlinks/plugins/image_picker_ios/ios`)
- integration_test (from `.symlinks/plugins/integration_test/ios`)
- mobile_scanner (from `.symlinks/plugins/mobile_scanner/ios`)
- path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
- share_plus (from `.symlinks/plugins/share_plus/ios`)
- shared_preferences_foundation (from `.symlinks/plugins/shared_preferences_foundation/darwin`)
- sqflite_darwin (from `.symlinks/plugins/sqflite_darwin/darwin`)
SPEC REPOS:
trunk:
- GoogleDataTransport
- GoogleMLKit
- GoogleToolboxForMac
- GoogleUtilities
- GoogleUtilitiesComponents
- GTMSessionFetcher
- MLImage
- MLKitBarcodeScanning
- MLKitCommon
- MLKitVision
- nanopb
- PromisesObjC
EXTERNAL SOURCES:
connectivity_plus:
:path: ".symlinks/plugins/connectivity_plus/ios"
Flutter:
:path: Flutter
image_picker_ios:
:path: ".symlinks/plugins/image_picker_ios/ios"
integration_test:
:path: ".symlinks/plugins/integration_test/ios"
mobile_scanner:
:path: ".symlinks/plugins/mobile_scanner/ios"
path_provider_foundation:
:path: ".symlinks/plugins/path_provider_foundation/darwin"
share_plus:
:path: ".symlinks/plugins/share_plus/ios"
shared_preferences_foundation:
:path: ".symlinks/plugins/shared_preferences_foundation/darwin"
sqflite_darwin:
:path: ".symlinks/plugins/sqflite_darwin/darwin"
SPEC CHECKSUMS:
connectivity_plus: 2a701ffec2c0ae28a48cf7540e279787e77c447d
Flutter: cabc95a1d2626b1b06e7179b784ebcf0c0cde467
GoogleDataTransport: 6c09b596d841063d76d4288cc2d2f42cc36e1e2a
GoogleMLKit: 97ac7af399057e99182ee8edfa8249e3226a4065
GoogleToolboxForMac: d1a2cbf009c453f4d6ded37c105e2f67a32206d8
GoogleUtilities: ea963c370a38a8069cc5f7ba4ca849a60b6d7d15
GoogleUtilitiesComponents: 679b2c881db3b615a2777504623df6122dd20afe
GTMSessionFetcher: 5aea5ba6bd522a239e236100971f10cb71b96ab6
image_picker_ios: c560581cceedb403a6ff17f2f816d7fea1421fc1
integration_test: 252f60fa39af5e17c3aa9899d35d908a0721b573
MLImage: 1824212150da33ef225fbd3dc49f184cf611046c
MLKitBarcodeScanning: 10ca0845a6d15f2f6e911f682a1998b68b973e8b
MLKitCommon: afec63980417d29ffbb4790529a1b0a2291699e1
MLKitVision: e858c5f125ecc288e4a31127928301eaba9ae0c1
mobile_scanner: 96e91f2e1fb396bb7df8da40429ba8dfad664740
nanopb: 438bc412db1928dac798aa6fd75726007be04262
path_provider_foundation: 2b6b4c569c0fb62ec74538f866245ac84301af46
PromisesObjC: f5707f49cb48b9636751c5b2e7d227e43fba9f47
share_plus: 8875f4f2500512ea181eef553c3e27dba5135aad
shared_preferences_foundation: fcdcbc04712aee1108ac7fda236f363274528f78
sqflite_darwin: 5a7236e3b501866c1c9befc6771dfd73ffb8702d
PODFILE CHECKSUM: 3c63482e143d1b91d2d2560aee9fb04ecc74ac7e
COCOAPODS: 1.16.2

130
ios/Runner.xcodeproj/project.pbxproj
View File

@@ -10,10 +10,12 @@
1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
331C808B294A63AB00263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C807B294A618700263BE5 /* RunnerTests.swift */; };
3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
58215889146B2DBBD9C81410 /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 2545A56CA7C5FCC88F0D6DF7 /* Pods_Runner.framework */; };
74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
AB1F84BC849C548E4DA2D9A4 /* Pods_RunnerTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 23D173C6FEE4F53025C06238 /* Pods_RunnerTests.framework */; };
/* End PBXBuildFile section */
/* Begin PBXContainerItemProxy section */
@@ -40,14 +42,19 @@
/* End PBXCopyFilesBuildPhase section */
/* Begin PBXFileReference section */
01651DC8E3A322D39483596C /* Pods-RunnerTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.release.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.release.xcconfig"; sourceTree = "<group>"; };
1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
18121E1016DEC4038E74F1F0 /* Pods-RunnerTests.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.profile.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.profile.xcconfig"; sourceTree = "<group>"; };
23D173C6FEE4F53025C06238 /* Pods_RunnerTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_RunnerTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
2545A56CA7C5FCC88F0D6DF7 /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
331C807B294A618700263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
331C8081294A63A400263BE5 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
91556F9FB5687521C1BD424F /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -55,13 +62,25 @@
97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
A2165E7BD4BCB2253391F0B0 /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
B234409A1C87269651420659 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
C436CF2D08FCD6AFF7811DE0 /* Pods-RunnerTests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.debug.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.debug.xcconfig"; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
61A54C58DE898B1B550583E8 /* Frameworks */ = {
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
AB1F84BC849C548E4DA2D9A4 /* Pods_RunnerTests.framework in Frameworks */,
);
runOnlyForDeploymentPostprocessing = 0;
};
97C146EB1CF9000F007C117D /* Frameworks */ = {
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
58215889146B2DBBD9C81410 /* Pods_Runner.framework in Frameworks */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@@ -94,6 +113,8 @@
97C146F01CF9000F007C117D /* Runner */,
97C146EF1CF9000F007C117D /* Products */,
331C8082294A63A400263BE5 /* RunnerTests */,
D39C332D04678D8C49EEA401 /* Pods */,
E0C416BADC6D23D3F5D8CCA9 /* Frameworks */,
);
sourceTree = "<group>";
};
@@ -121,6 +142,29 @@
path = Runner;
sourceTree = "<group>";
};
D39C332D04678D8C49EEA401 /* Pods */ = {
isa = PBXGroup;
children = (
A2165E7BD4BCB2253391F0B0 /* Pods-Runner.debug.xcconfig */,
91556F9FB5687521C1BD424F /* Pods-Runner.release.xcconfig */,
B234409A1C87269651420659 /* Pods-Runner.profile.xcconfig */,
C436CF2D08FCD6AFF7811DE0 /* Pods-RunnerTests.debug.xcconfig */,
01651DC8E3A322D39483596C /* Pods-RunnerTests.release.xcconfig */,
18121E1016DEC4038E74F1F0 /* Pods-RunnerTests.profile.xcconfig */,
);
name = Pods;
path = Pods;
sourceTree = "<group>";
};
E0C416BADC6D23D3F5D8CCA9 /* Frameworks */ = {
isa = PBXGroup;
children = (
2545A56CA7C5FCC88F0D6DF7 /* Pods_Runner.framework */,
23D173C6FEE4F53025C06238 /* Pods_RunnerTests.framework */,
);
name = Frameworks;
sourceTree = "<group>";
};
/* End PBXGroup section */
/* Begin PBXNativeTarget section */
@@ -128,8 +172,10 @@
isa = PBXNativeTarget;
buildConfigurationList = 331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */;
buildPhases = (
271526C7C38B821FB8FDADDB /* [CP] Check Pods Manifest.lock */,
331C807D294A63A400263BE5 /* Sources */,
331C807F294A63A400263BE5 /* Resources */,
61A54C58DE898B1B550583E8 /* Frameworks */,
);
buildRules = (
);
@@ -145,12 +191,15 @@
isa = PBXNativeTarget;
buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
buildPhases = (
6FF008E9F6081D18F1331B43 /* [CP] Check Pods Manifest.lock */,
9740EEB61CF901F6004384FC /* Run Script */,
97C146EA1CF9000F007C117D /* Sources */,
97C146EB1CF9000F007C117D /* Frameworks */,
97C146EC1CF9000F007C117D /* Resources */,
9705A1C41CF9048500538489 /* Embed Frameworks */,
3B06AD1E1E4923F5004D2608 /* Thin Binary */,
87A368DCCAF54E5C8DB99361 /* [CP] Embed Pods Frameworks */,
195ED60A171403A63E86B757 /* [CP] Copy Pods Resources */,
);
buildRules = (
);
@@ -222,6 +271,45 @@
/* End PBXResourcesBuildPhase section */
/* Begin PBXShellScriptBuildPhase section */
195ED60A171403A63E86B757 /* [CP] Copy Pods Resources */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputFileListPaths = (
"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-input-files.xcfilelist",
);
name = "[CP] Copy Pods Resources";
outputFileListPaths = (
"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-output-files.xcfilelist",
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources.sh\"\n";
showEnvVarsInLog = 0;
};
271526C7C38B821FB8FDADDB /* [CP] Check Pods Manifest.lock */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputFileListPaths = (
);
inputPaths = (
"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
"${PODS_ROOT}/Manifest.lock",
);
name = "[CP] Check Pods Manifest.lock";
outputFileListPaths = (
);
outputPaths = (
"$(DERIVED_FILE_DIR)/Pods-RunnerTests-checkManifestLockResult.txt",
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n # print error to STDERR\n echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
showEnvVarsInLog = 0;
};
3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
isa = PBXShellScriptBuildPhase;
alwaysOutOfDate = 1;
@@ -238,6 +326,45 @@
shellPath = /bin/sh;
shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
};
6FF008E9F6081D18F1331B43 /* [CP] Check Pods Manifest.lock */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputFileListPaths = (
);
inputPaths = (
"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
"${PODS_ROOT}/Manifest.lock",
);
name = "[CP] Check Pods Manifest.lock";
outputFileListPaths = (
);
outputPaths = (
"$(DERIVED_FILE_DIR)/Pods-Runner-checkManifestLockResult.txt",
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n # print error to STDERR\n echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
showEnvVarsInLog = 0;
};
87A368DCCAF54E5C8DB99361 /* [CP] Embed Pods Frameworks */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputFileListPaths = (
"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-input-files.xcfilelist",
);
name = "[CP] Embed Pods Frameworks";
outputFileListPaths = (
"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-output-files.xcfilelist",
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
showEnvVarsInLog = 0;
};
9740EEB61CF901F6004384FC /* Run Script */ = {
isa = PBXShellScriptBuildPhase;
alwaysOutOfDate = 1;
@@ -379,6 +506,7 @@
};
331C8088294A63A400263BE5 /* Debug */ = {
isa = XCBuildConfiguration;
baseConfigurationReference = C436CF2D08FCD6AFF7811DE0 /* Pods-RunnerTests.debug.xcconfig */;
buildSettings = {
BUNDLE_LOADER = "$(TEST_HOST)";
CODE_SIGN_STYLE = Automatic;
@@ -396,6 +524,7 @@
};
331C8089294A63A400263BE5 /* Release */ = {
isa = XCBuildConfiguration;
baseConfigurationReference = 01651DC8E3A322D39483596C /* Pods-RunnerTests.release.xcconfig */;
buildSettings = {
BUNDLE_LOADER = "$(TEST_HOST)";
CODE_SIGN_STYLE = Automatic;
@@ -411,6 +540,7 @@
};
331C808A294A63A400263BE5 /* Profile */ = {
isa = XCBuildConfiguration;
baseConfigurationReference = 18121E1016DEC4038E74F1F0 /* Pods-RunnerTests.profile.xcconfig */;
buildSettings = {
BUNDLE_LOADER = "$(TEST_HOST)";
CODE_SIGN_STYLE = Automatic;

3
ios/Runner.xcworkspace/contents.xcworkspacedata generated
View File

@@ -4,4 +4,7 @@
<FileRef
location = "group:Runner.xcodeproj">
</FileRef>
<FileRef
location = "group:Pods/Pods.xcodeproj">
</FileRef>
</Workspace>

4
ios/Runner/Info.plist
View File

@@ -28,6 +28,10 @@
<string>LaunchScreen</string>
<key>UIMainStoryboardFile</key>
<string>Main</string>
<key>NSCameraUsageDescription</key>
<string>This app needs camera access to scan QR codes</string>
<key>NSPhotoLibraryUsageDescription</key>
<string>This app needs photos access to get QR code from photo library</string>
<key>UISupportedInterfaceOrientations</key>
<array>
<string>UIInterfaceOrientationPortrait</string>

5
l10n.yaml Normal file
View File

@@ -0,0 +1,5 @@
arb-dir: lib/l10n
template-arb-file: app_en.arb
output-localization-file: app_localizations.dart
output-dir: lib/generated/l10n
nullable-getter: false

353
lib/app.dart Normal file
View File

@@ -0,0 +1,353 @@
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:worker/core/theme/app_theme.dart';
import 'package:worker/generated/l10n/app_localizations.dart';
/// Root application widget for Worker Mobile App
///
/// This is the main app widget that:
/// - Sets up Material 3 theme configuration
/// - Configures localization for Vietnamese and English
/// - Provides router configuration (to be implemented)
/// - Integrates with Riverpod for state management
/// - Handles app-level error states
class WorkerApp extends ConsumerWidget {
const WorkerApp({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
return MaterialApp(
// ==================== App Configuration ====================
debugShowCheckedModeBanner: false,
title: 'Worker App',
// ==================== Theme Configuration ====================
// Material 3 theme with brand colors (Primary Blue: #005B9A)
theme: AppTheme.lightTheme(),
darkTheme: AppTheme.darkTheme(),
themeMode: ThemeMode.light, // TODO: Make this configurable from settings
// ==================== Localization Configuration ====================
// Support for Vietnamese (primary) and English (secondary)
localizationsDelegates: const [
// App-specific localizations
AppLocalizations.delegate,
// Material Design localizations
GlobalMaterialLocalizations.delegate,
GlobalWidgetsLocalizations.delegate,
GlobalCupertinoLocalizations.delegate,
],
// Supported locales
supportedLocales: const [
Locale('vi', 'VN'), // Vietnamese (primary)
Locale('en', 'US'), // English (secondary)
],
// Default locale (Vietnamese)
locale: const Locale('vi', 'VN'), // TODO: Make this configurable from settings
// Locale resolution strategy
localeResolutionCallback: (locale, supportedLocales) {
// Check if the device locale is supported
for (final supportedLocale in supportedLocales) {
if (supportedLocale.languageCode == locale?.languageCode) {
return supportedLocale;
}
}
// If device locale is not supported, default to Vietnamese
return const Locale('vi', 'VN');
},
// ==================== Navigation Configuration ====================
// TODO: Replace with actual router configuration when navigation is implemented
// Options:
// 1. Use go_router for declarative routing
// 2. Use Navigator 2.0 for imperative routing
// 3. Use auto_route for type-safe routing
//
// For now, we use a placeholder home screen
home: const _PlaceholderHomePage(),
// Alternative: Use onGenerateRoute for custom routing
// onGenerateRoute: (settings) {
// return AppRouter.onGenerateRoute(settings);
// },
// ==================== Material App Configuration ====================
// Builder for additional context-dependent widgets
builder: (context, child) {
return _AppBuilder(
child: child ?? const SizedBox.shrink(),
);
},
);
}
}
/// App builder widget
///
/// Wraps the entire app with additional widgets:
/// - Error boundary
/// - Connectivity listener
/// - Global overlays (loading, snackbars)
class _AppBuilder extends ConsumerWidget {
const _AppBuilder({
required this.child,
});
final Widget child;
@override
Widget build(BuildContext context, WidgetRef ref) {
// TODO: Add connectivity listener
// final connectivity = ref.watch(connectivityProvider);
// TODO: Add global loading state
// final isLoading = ref.watch(globalLoadingProvider);
return Stack(
children: [
// Main app content
child,
// TODO: Add global loading overlay
// if (isLoading)
// const _GlobalLoadingOverlay(),
// TODO: Add connectivity banner
// if (connectivity == ConnectivityStatus.offline)
// const _OfflineBanner(),
],
);
}
}
/// Placeholder home page
///
/// This is a temporary home screen that will be replaced with the actual
/// home page implementation from features/home/presentation/pages/home_page.dart
///
/// The actual home page will include:
/// - Membership card display (Diamond/Platinum/Gold tiers)
/// - Quick action grid
/// - Bottom navigation bar
/// - Floating action button for chat
class _PlaceholderHomePage extends ConsumerWidget {
const _PlaceholderHomePage();
@override
Widget build(BuildContext context, WidgetRef ref) {
final theme = Theme.of(context);
return Scaffold(
appBar: AppBar(
title: const Text('Worker App'),
centerTitle: true,
),
body: Center(
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// App logo placeholder
Container(
width: 120,
height: 120,
decoration: BoxDecoration(
color: theme.colorScheme.primary,
borderRadius: BorderRadius.circular(24),
),
child: Icon(
Icons.business_center,
size: 64,
color: theme.colorScheme.onPrimary,
),
),
const SizedBox(height: 32),
// Welcome text
Text(
'Chào mừng đến với Worker App',
style: theme.textTheme.headlineMedium?.copyWith(
fontWeight: FontWeight.bold,
color: theme.colorScheme.onSurface,
),
textAlign: TextAlign.center,
),
const SizedBox(height: 16),
// Description
Text(
'Ứng dụng dành cho thầu thợ, kiến trúc sư, đại lý và môi giới',
style: theme.textTheme.bodyLarge?.copyWith(
color: theme.colorScheme.onSurface.withValues(alpha: 0.7),
),
textAlign: TextAlign.center,
),
const SizedBox(height: 48),
// Status indicators
const _StatusIndicator(
icon: Icons.check_circle,
color: Colors.green,
label: 'Hive Database: Initialized',
),
const SizedBox(height: 12),
const _StatusIndicator(
icon: Icons.check_circle,
color: Colors.green,
label: 'Riverpod: Active',
),
const SizedBox(height: 12),
const _StatusIndicator(
icon: Icons.check_circle,
color: Colors.green,
label: 'Material 3 Theme: Loaded',
),
const SizedBox(height: 48),
// Next steps card
Card(
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.info_outline,
color: theme.colorScheme.primary,
),
const SizedBox(width: 12),
Text(
'Next Steps',
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 16),
const _NextStepItem(
number: '1',
text: 'Implement authentication flow',
),
const SizedBox(height: 8),
const _NextStepItem(
number: '2',
text: 'Create home page with membership cards',
),
const SizedBox(height: 8),
const _NextStepItem(
number: '3',
text: 'Set up navigation and routing',
),
const SizedBox(height: 8),
const _NextStepItem(
number: '4',
text: 'Implement feature modules',
),
],
),
),
),
],
),
),
),
// Floating action button (will be used for chat)
floatingActionButton: FloatingActionButton(
onPressed: () {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Chat feature coming soon!'),
behavior: SnackBarBehavior.floating,
),
);
},
child: const Icon(Icons.chat_bubble_outline),
),
);
}
}
/// Status indicator widget
class _StatusIndicator extends StatelessWidget {
const _StatusIndicator({
required this.icon,
required this.color,
required this.label,
});
final IconData icon;
final Color color;
final String label;
@override
Widget build(BuildContext context) {
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(icon, color: color, size: 20),
const SizedBox(width: 8),
Text(
label,
style: Theme.of(context).textTheme.bodyMedium,
),
],
);
}
}
/// Next step item widget
class _NextStepItem extends StatelessWidget {
const _NextStepItem({
required this.number,
required this.text,
});
final String number;
final String text;
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
return Row(
children: [
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: theme.colorScheme.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(12),
),
child: Center(
child: Text(
number,
style: theme.textTheme.labelSmall?.copyWith(
color: theme.colorScheme.primary,
fontWeight: FontWeight.bold,
),
),
),
),
const SizedBox(width: 12),
Expanded(
child: Text(
text,
style: theme.textTheme.bodyMedium,
),
),
],
);
}
}

408
lib/core/constants/api_constants.dart Normal file
View File

@@ -0,0 +1,408 @@
/// API-related constants for the Worker app
///
/// This file contains all API endpoints, timeouts, and network-related configurations.
/// Base URLs should be configured per environment (dev, staging, production).
class ApiConstants {
// Private constructor to prevent instantiation
ApiConstants._();
// ============================================================================
// Base URLs
// ============================================================================
/// Base URL for development environment
static const String devBaseUrl = 'https://dev-api.worker.example.com';
/// Base URL for staging environment
static const String stagingBaseUrl = 'https://staging-api.worker.example.com';
/// Base URL for production environment
static const String prodBaseUrl = 'https://api.worker.example.com';
/// Current base URL (should be configured based on build flavor)
static const String baseUrl = devBaseUrl; // TODO: Configure with flavors
/// API version prefix
static const String apiVersion = '/v1';
/// Full API base URL with version
static String get apiBaseUrl => '$baseUrl$apiVersion';
// ============================================================================
// Timeout Configurations
// ============================================================================
/// Connection timeout in milliseconds (30 seconds)
static const Duration connectionTimeout = Duration(milliseconds: 30000);
/// Receive timeout in milliseconds (30 seconds)
static const Duration receiveTimeout = Duration(milliseconds: 30000);
/// Send timeout in milliseconds (30 seconds)
static const Duration sendTimeout = Duration(milliseconds: 30000);
// ============================================================================
// Retry Configurations
// ============================================================================
/// Maximum number of retry attempts for failed requests
static const int maxRetryAttempts = 3;
/// Initial retry delay in milliseconds
static const Duration initialRetryDelay = Duration(milliseconds: 1000);
/// Maximum retry delay in milliseconds
static const Duration maxRetryDelay = Duration(milliseconds: 5000);
/// Retry delay multiplier for exponential backoff
static const double retryDelayMultiplier = 2.0;
// ============================================================================
// Cache Configurations
// ============================================================================
/// Default cache duration (1 hour)
static const Duration defaultCacheDuration = Duration(hours: 1);
/// Products cache duration (24 hours)
static const Duration productsCacheDuration = Duration(hours: 24);
/// Profile cache duration (1 hour)
static const Duration profileCacheDuration = Duration(hours: 1);
/// Categories cache duration (48 hours)
static const Duration categoriesCacheDuration = Duration(hours: 48);
/// Maximum cache size in bytes (50 MB)
static const int maxCacheSize = 50 * 1024 * 1024;
// ============================================================================
// Request Headers
// ============================================================================
/// Content-Type header for JSON requests
static const String contentTypeJson = 'application/json';
/// Accept header for JSON responses
static const String acceptJson = 'application/json';
/// Accept-Language header for Vietnamese
static const String acceptLanguageVi = 'vi';
/// Accept-Language header for English
static const String acceptLanguageEn = 'en';
// ============================================================================
// Authentication Endpoints
// ============================================================================
/// Request OTP for phone number login
/// POST /auth/request-otp
/// Body: { "phone": "+84912345678" }
static const String requestOtp = '/auth/request-otp';
/// Verify OTP code
/// POST /auth/verify-otp
/// Body: { "phone": "+84912345678", "otp": "123456" }
static const String verifyOtp = '/auth/verify-otp';
/// Register new user
/// POST /auth/register
/// Body: { "name": "...", "phone": "...", "email": "...", "userType": "..." }
static const String register = '/auth/register';
/// Refresh access token
/// POST /auth/refresh-token
/// Headers: { "Authorization": "Bearer {refreshToken}" }
static const String refreshToken = '/auth/refresh-token';
/// Logout user
/// POST /auth/logout
static const String logout = '/auth/logout';
/// Get current user profile
/// GET /auth/me
static const String getCurrentUser = '/auth/me';
// ============================================================================
// Loyalty Program Endpoints
// ============================================================================
/// Get loyalty points and tier information
/// GET /loyalty/points
static const String getLoyaltyPoints = '/loyalty/points';
/// Get loyalty points transaction history
/// GET /loyalty/transactions?page={page}&limit={limit}
static const String getPointsHistory = '/loyalty/transactions';
/// Get available rewards for redemption
/// GET /loyalty/rewards?category={category}
static const String getRewards = '/loyalty/rewards';
/// Redeem a reward
/// POST /loyalty/rewards/{rewardId}/redeem
static const String redeemReward = '/loyalty/rewards';
/// Get user's redeemed gifts
/// GET /loyalty/gifts?status={active|used|expired}
static const String getGifts = '/loyalty/gifts';
/// Get referral information
/// GET /loyalty/referral
static const String getReferralInfo = '/loyalty/referral';
/// Share referral link
/// POST /loyalty/referral/share
/// Body: { "method": "whatsapp|telegram|sms" }
static const String shareReferral = '/loyalty/referral/share';
// ============================================================================
// Product Endpoints
// ============================================================================
/// Get all products with pagination
/// GET /products?page={page}&limit={limit}&category={categoryId}
static const String getProducts = '/products';
/// Get product details by ID
/// GET /products/{productId}
static const String getProductDetails = '/products';
/// Search products
/// GET /products/search?q={query}&page={page}&limit={limit}
static const String searchProducts = '/products/search';
/// Get product categories
/// GET /categories
static const String getCategories = '/categories';
/// Get products by category
/// GET /categories/{categoryId}/products
static const String getProductsByCategory = '/categories';
// ============================================================================
// Order Endpoints
// ============================================================================
/// Create new order
/// POST /orders
/// Body: { "items": [...], "deliveryAddress": {...}, "paymentMethod": "..." }
static const String createOrder = '/orders';
/// Get user's orders
/// GET /orders?status={status}&page={page}&limit={limit}
static const String getOrders = '/orders';
/// Get order details by ID
/// GET /orders/{orderId}
static const String getOrderDetails = '/orders';
/// Cancel order
/// POST /orders/{orderId}/cancel
static const String cancelOrder = '/orders';
/// Get payment transactions
/// GET /payments?page={page}&limit={limit}
static const String getPayments = '/payments';
/// Get payment details
/// GET /payments/{paymentId}
static const String getPaymentDetails = '/payments';
// ============================================================================
// Project Endpoints
// ============================================================================
/// Create new project
/// POST /projects
static const String createProject = '/projects';
/// Get user's projects
/// GET /projects?status={status}&page={page}&limit={limit}
static const String getProjects = '/projects';
/// Get project details by ID
/// GET /projects/{projectId}
static const String getProjectDetails = '/projects';
/// Update project
/// PUT /projects/{projectId}
static const String updateProject = '/projects';
/// Update project progress
/// PATCH /projects/{projectId}/progress
/// Body: { "progress": 75 }
static const String updateProjectProgress = '/projects';
/// Delete project
/// DELETE /projects/{projectId}
static const String deleteProject = '/projects';
// ============================================================================
// Quote Endpoints
// ============================================================================
/// Create new quote
/// POST /quotes
static const String createQuote = '/quotes';
/// Get user's quotes
/// GET /quotes?status={status}&page={page}&limit={limit}
static const String getQuotes = '/quotes';
/// Get quote details by ID
/// GET /quotes/{quoteId}
static const String getQuoteDetails = '/quotes';
/// Update quote
/// PUT /quotes/{quoteId}
static const String updateQuote = '/quotes';
/// Send quote to client
/// POST /quotes/{quoteId}/send
/// Body: { "email": "client@example.com" }
static const String sendQuote = '/quotes';
/// Convert quote to order
/// POST /quotes/{quoteId}/convert
static const String convertQuoteToOrder = '/quotes';
// ============================================================================
// Chat Endpoints
// ============================================================================
/// WebSocket endpoint for real-time chat
static const String chatWebSocket = '/ws/chat';
/// Get chat messages
/// GET /chat/messages?roomId={roomId}&before={messageId}&limit={limit}
static const String getChatMessages = '/chat/messages';
/// Send chat message
/// POST /chat/messages
/// Body: { "roomId": "...", "text": "...", "attachments": [...] }
static const String sendChatMessage = '/chat/messages';
/// Mark messages as read
/// POST /chat/messages/read
/// Body: { "messageIds": [...] }
static const String markMessagesAsRead = '/chat/messages/read';
// ============================================================================
// Account & Profile Endpoints
// ============================================================================
/// Get user profile
/// GET /profile
static const String getProfile = '/profile';
/// Update user profile
/// PUT /profile
static const String updateProfile = '/profile';
/// Upload avatar
/// POST /profile/avatar
/// Form-data: { "avatar": File }
static const String uploadAvatar = '/profile/avatar';
/// Change password
/// POST /profile/change-password
/// Body: { "currentPassword": "...", "newPassword": "..." }
static const String changePassword = '/profile/change-password';
/// Get user addresses
/// GET /addresses
static const String getAddresses = '/addresses';
/// Add new address
/// POST /addresses
static const String addAddress = '/addresses';
/// Update address
/// PUT /addresses/{addressId}
static const String updateAddress = '/addresses';
/// Delete address
/// DELETE /addresses/{addressId}
static const String deleteAddress = '/addresses';
/// Set default address
/// POST /addresses/{addressId}/set-default
static const String setDefaultAddress = '/addresses';
// ============================================================================
// Promotion Endpoints
// ============================================================================
/// Get active promotions
/// GET /promotions?category={category}
static const String getPromotions = '/promotions';
/// Get promotion details
/// GET /promotions/{promotionId}
static const String getPromotionDetails = '/promotions';
/// Claim promotion
/// POST /promotions/{promotionId}/claim
static const String claimPromotion = '/promotions';
// ============================================================================
// Notification Endpoints
// ============================================================================
/// Get notifications
/// GET /notifications?type={type}&page={page}&limit={limit}
static const String getNotifications = '/notifications';
/// Mark notification as read
/// POST /notifications/{notificationId}/read
static const String markNotificationAsRead = '/notifications';
/// Mark all notifications as read
/// POST /notifications/read-all
static const String markAllNotificationsAsRead = '/notifications/read-all';
/// Clear all notifications
/// DELETE /notifications
static const String clearAllNotifications = '/notifications';
/// Register FCM token for push notifications
/// POST /notifications/fcm-token
/// Body: { "token": "..." }
static const String registerFcmToken = '/notifications/fcm-token';
// ============================================================================
// Helper Methods
// ============================================================================
/// Build full URL for endpoint
///
/// Example:
/// ```dart
/// final url = ApiConstants.buildUrl('/products', {'page': '1', 'limit': '20'});
/// // Returns: https://api.worker.example.com/v1/products?page=1&limit=20
/// ```
static String buildUrl(String endpoint, [Map<String, String>? queryParams]) {
final uri = Uri.parse('$apiBaseUrl$endpoint');
if (queryParams != null && queryParams.isNotEmpty) {
return uri.replace(queryParameters: queryParams).toString();
}
return uri.toString();
}
/// Build URL with path parameters
///
/// Example:
/// ```dart
/// final url = ApiConstants.buildUrlWithParams('/products/{id}', {'id': '123'});
/// // Returns: https://api.worker.example.com/v1/products/123
/// ```
static String buildUrlWithParams(String endpoint, Map<String, String> params) {
String url = endpoint;
params.forEach((key, value) {
url = url.replaceAll('{$key}', value);
});
return '$apiBaseUrl$url';
}
}

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/// Application-level constants and configurations
///
/// This file contains app metadata, loyalty tier definitions, pagination settings,
/// and other application-wide configuration values.
library;
// ============================================================================
// Loyalty Member Tiers
// ============================================================================
/// Membership tier levels in the loyalty program
///
/// Ordered from lowest to highest:
/// - [MemberTier.gold]: Entry level (0-999 points)
/// - [MemberTier.platinum]: Mid level (1000-4999 points)
/// - [MemberTier.diamond]: Premium level (5000+ points)
enum MemberTier {
/// Gold tier - Entry level membership
/// Requirements: 0-999 points
/// Benefits: 1x points multiplier, basic discounts
gold,
/// Platinum tier - Mid level membership
/// Requirements: 1000-4999 points
/// Benefits: 1.5x points multiplier, priority support, special offers
platinum,
/// Diamond tier - Premium membership
/// Requirements: 5000+ points
/// Benefits: 2x points multiplier, exclusive rewards, VIP support, early access
diamond,
}
/// Extension methods for MemberTier enum
extension MemberTierExtension on MemberTier {
/// Get display name for the tier
String get displayName {
switch (this) {
case MemberTier.gold:
return 'Gold';
case MemberTier.platinum:
return 'Platinum';
case MemberTier.diamond:
return 'Diamond';
}
}
/// Get Vietnamese display name
String get displayNameVi {
switch (this) {
case MemberTier.gold:
return 'Vàng';
case MemberTier.platinum:
return 'Bạc';
case MemberTier.diamond:
return 'Kim Cương';
}
}
/// Get points multiplier for earning rewards
double get pointsMultiplier {
switch (this) {
case MemberTier.gold:
return 1.0;
case MemberTier.platinum:
return 1.5;
case MemberTier.diamond:
return 2.0;
}
}
/// Get minimum points required for this tier
int get minPoints {
switch (this) {
case MemberTier.gold:
return 0;
case MemberTier.platinum:
return 1000;
case MemberTier.diamond:
return 5000;
}
}
/// Get maximum points for this tier (null for diamond = unlimited)
int? get maxPoints {
switch (this) {
case MemberTier.gold:
return 999;
case MemberTier.platinum:
return 4999;
case MemberTier.diamond:
return null; // Unlimited
}
}
/// Get next tier (null if already at highest tier)
MemberTier? get nextTier {
switch (this) {
case MemberTier.gold:
return MemberTier.platinum;
case MemberTier.platinum:
return MemberTier.diamond;
case MemberTier.diamond:
return null; // Already at top
}
}
/// Get tier from points value
static MemberTier fromPoints(int points) {
if (points >= MemberTier.diamond.minPoints) {
return MemberTier.diamond;
} else if (points >= MemberTier.platinum.minPoints) {
return MemberTier.platinum;
} else {
return MemberTier.gold;
}
}
}
// ============================================================================
// User Types
// ============================================================================
/// Types of users in the Worker app
enum UserType {
/// Contractor - Construction project managers (Thầu thợ)
contractor,
/// Architect - Design professionals (Kiến trúc sư)
architect,
/// Distributor - Product resellers (Đại lý phân phối)
distributor,
/// Broker - Real estate and construction brokers (Môi giới)
broker,
}
/// Extension methods for UserType enum
extension UserTypeExtension on UserType {
/// Get display name
String get displayName {
switch (this) {
case UserType.contractor:
return 'Contractor';
case UserType.architect:
return 'Architect';
case UserType.distributor:
return 'Distributor';
case UserType.broker:
return 'Broker';
}
}
/// Get Vietnamese display name
String get displayNameVi {
switch (this) {
case UserType.contractor:
return 'Thầu thợ';
case UserType.architect:
return 'Kiến trúc sư';
case UserType.distributor:
return 'Đại lý phân phối';
case UserType.broker:
return 'Môi giới';
}
}
}
// ============================================================================
// Order Status
// ============================================================================
/// Order lifecycle status
enum OrderStatus {
/// Order placed, awaiting processing
pending,
/// Order is being prepared
processing,
/// Order is out for delivery
shipping,
/// Order delivered successfully
completed,
/// Order cancelled by user or system
cancelled,
}
/// Extension methods for OrderStatus enum
extension OrderStatusExtension on OrderStatus {
String get displayName {
switch (this) {
case OrderStatus.pending:
return 'Pending';
case OrderStatus.processing:
return 'Processing';
case OrderStatus.shipping:
return 'Shipping';
case OrderStatus.completed:
return 'Completed';
case OrderStatus.cancelled:
return 'Cancelled';
}
}
String get displayNameVi {
switch (this) {
case OrderStatus.pending:
return 'Chờ xử lý';
case OrderStatus.processing:
return 'Đang xử lý';
case OrderStatus.shipping:
return 'Đang giao';
case OrderStatus.completed:
return 'Hoàn thành';
case OrderStatus.cancelled:
return 'Đã hủy';
}
}
}
// ============================================================================
// Project Status
// ============================================================================
/// Construction project lifecycle status
enum ProjectStatus {
/// Project in planning phase
planning,
/// Project actively in progress
inProgress,
/// Project completed
completed,
/// Project on hold
onHold,
/// Project cancelled
cancelled,
}
extension ProjectStatusExtension on ProjectStatus {
String get displayName {
switch (this) {
case ProjectStatus.planning:
return 'Planning';
case ProjectStatus.inProgress:
return 'In Progress';
case ProjectStatus.completed:
return 'Completed';
case ProjectStatus.onHold:
return 'On Hold';
case ProjectStatus.cancelled:
return 'Cancelled';
}
}
String get displayNameVi {
switch (this) {
case ProjectStatus.planning:
return 'Lên kế hoạch';
case ProjectStatus.inProgress:
return 'Đang thực hiện';
case ProjectStatus.completed:
return 'Hoàn thành';
case ProjectStatus.onHold:
return 'Tạm dừng';
case ProjectStatus.cancelled:
return 'Đã hủy';
}
}
}
// ============================================================================
// Project Types
// ============================================================================
/// Types of construction projects
enum ProjectType {
/// Residential construction
residential,
/// Commercial construction
commercial,
/// Industrial construction
industrial,
}
extension ProjectTypeExtension on ProjectType {
String get displayName {
switch (this) {
case ProjectType.residential:
return 'Residential';
case ProjectType.commercial:
return 'Commercial';
case ProjectType.industrial:
return 'Industrial';
}
}
String get displayNameVi {
switch (this) {
case ProjectType.residential:
return 'Dân dụng';
case ProjectType.commercial:
return 'Thương mại';
case ProjectType.industrial:
return 'Công nghiệp';
}
}
}
// ============================================================================
// App Metadata
// ============================================================================
/// Application constants
class AppConstants {
// Private constructor to prevent instantiation
AppConstants._();
/// Application name
static const String appName = 'Worker';
/// Full application name
static const String appFullName = 'Worker - EuroTile & Vasta Stone';
/// Application version
static const String appVersion = '1.0.0';
/// Build number
static const int buildNumber = 1;
/// Company name
static const String companyName = 'EuroTile & Vasta Stone';
/// Support email
static const String supportEmail = 'support@worker.example.com';
/// Support phone number (Vietnamese format)
static const String supportPhone = '1900 xxxx';
/// Website URL
static const String websiteUrl = 'https://worker.example.com';
// ============================================================================
// Pagination Settings
// ============================================================================
/// Default page size for paginated lists
static const int defaultPageSize = 20;
/// Products page size
static const int productsPageSize = 20;
/// Orders page size
static const int ordersPageSize = 10;
/// Projects page size
static const int projectsPageSize = 15;
/// Notifications page size
static const int notificationsPageSize = 25;
/// Points history page size
static const int pointsHistoryPageSize = 20;
/// Maximum items to load at once
static const int maxPageSize = 100;
// ============================================================================
// Cache Settings
// ============================================================================
/// Cache duration for products (in hours)
static const int productsCacheDuration = 24;
/// Cache duration for user profile (in hours)
static const int profileCacheDuration = 1;
/// Cache duration for categories (in hours)
static const int categoriesCacheDuration = 48;
/// Maximum cache size (in MB)
static const int maxCacheSize = 100;
// ============================================================================
// OTP Settings
// ============================================================================
/// OTP code length (6 digits)
static const int otpLength = 6;
/// OTP resend cooldown (in seconds)
static const int otpResendCooldown = 60;
/// OTP validity duration (in minutes)
static const int otpValidityMinutes = 5;
// ============================================================================
// Referral Settings
// ============================================================================
/// Points earned per successful referral
static const int pointsPerReferral = 100;
/// Points earned by the referred user on signup
static const int welcomeBonusPoints = 50;
// ============================================================================
// Order Settings
// ============================================================================
/// Minimum order amount (in VND)
static const double minOrderAmount = 100000; // 100,000 VND
/// Free shipping threshold (in VND)
static const double freeShippingThreshold = 1000000; // 1,000,000 VND
/// Standard shipping fee (in VND)
static const double standardShippingFee = 30000; // 30,000 VND
/// Maximum items per order
static const int maxItemsPerOrder = 50;
// ============================================================================
// Image Settings
// ============================================================================
/// Maximum avatar size (in MB)
static const int maxAvatarSize = 5;
/// Maximum product image size (in MB)
static const int maxProductImageSize = 3;
/// Supported image formats
static const List<String> supportedImageFormats = ['jpg', 'jpeg', 'png', 'webp'];
/// Image quality for compression (0-100)
static const int imageQuality = 85;
// ============================================================================
// Search Settings
// ============================================================================
/// Minimum search query length
static const int minSearchLength = 2;
/// Search debounce delay (in milliseconds)
static const int searchDebounceMs = 500;
/// Maximum search results
static const int maxSearchResults = 50;
// ============================================================================
// Date & Time Settings
// ============================================================================
/// Default date format (Vietnamese: dd/MM/yyyy)
static const String dateFormat = 'dd/MM/yyyy';
/// Date time format
static const String dateTimeFormat = 'dd/MM/yyyy HH:mm';
/// Time format (24-hour)
static const String timeFormat = 'HH:mm';
/// Full date time format
static const String fullDateTimeFormat = 'EEEE, dd MMMM yyyy HH:mm';
// ============================================================================
// Validation Settings
// ============================================================================
/// Minimum password length
static const int minPasswordLength = 8;
/// Maximum password length
static const int maxPasswordLength = 50;
/// Minimum name length
static const int minNameLength = 2;
/// Maximum name length
static const int maxNameLength = 100;
/// Vietnamese phone number regex pattern
/// Matches: 0912345678, +84912345678, 84912345678
static const String phoneRegexPattern = r'^(0|\+84|84)[3|5|7|8|9][0-9]{8}$';
/// Email regex pattern
static const String emailRegexPattern = r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$';
// ============================================================================
// Feature Flags
// ============================================================================
/// Enable dark mode
static const bool enableDarkMode = true;
/// Enable biometric authentication
static const bool enableBiometric = true;
/// Enable push notifications
static const bool enablePushNotifications = true;
/// Enable offline mode
static const bool enableOfflineMode = true;
/// Enable analytics
static const bool enableAnalytics = true;
/// Enable crash reporting
static const bool enableCrashReporting = true;
}

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/// Storage constants for Hive CE (Community Edition) database
///
/// This file contains all box names, keys, and type IDs used throughout the app
/// for local data persistence and offline-first functionality.
library;
/// Hive Box Names
///
/// These are the names of Hive boxes used in the application.
/// Each box stores a specific type of data for organized storage.
class HiveBoxNames {
// Private constructor to prevent instantiation
HiveBoxNames._();
/// User authentication and profile data
static const String userBox = 'user_box';
/// Product catalog and details cache
static const String productBox = 'product_box';
/// Shopping cart items
static const String cartBox = 'cart_box';
/// Order history and details
static const String orderBox = 'order_box';
/// Construction projects
static const String projectBox = 'project_box';
/// Loyalty program transactions and points history
static const String loyaltyBox = 'loyalty_box';
/// Rewards and gifts catalog
static const String rewardsBox = 'rewards_box';
/// User settings and preferences
static const String settingsBox = 'settings_box';
/// API response cache for offline access
static const String cacheBox = 'cache_box';
/// Data sync state tracking
static const String syncStateBox = 'sync_state_box';
/// Notifications
static const String notificationBox = 'notification_box';
/// Address book
static const String addressBox = 'address_box';
/// Offline request queue for failed API calls
static const String offlineQueueBox = 'offline_queue_box';
/// Get all box names for initialization
static List<String> get allBoxes => [
userBox,
productBox,
cartBox,
orderBox,
projectBox,
loyaltyBox,
rewardsBox,
settingsBox,
cacheBox,
syncStateBox,
notificationBox,
addressBox,
offlineQueueBox,
];
}
/// Hive Type Adapter IDs
///
/// Type IDs must be unique across the application.
/// Range 0-223 is reserved for user-defined types.
/// IMPORTANT: Never change these IDs once assigned, as it will break existing data.
class HiveTypeIds {
// Private constructor to prevent instantiation
HiveTypeIds._();
// Core Models (0-9)
static const int user = 0;
static const int product = 1;
static const int cartItem = 2;
static const int order = 3;
static const int project = 4;
static const int loyaltyTransaction = 5;
// Extended Models (10-19)
static const int orderItem = 10;
static const int address = 11;
static const int category = 12;
static const int reward = 13;
static const int gift = 14;
static const int notification = 15;
static const int quote = 16;
static const int payment = 17;
static const int promotion = 18;
static const int referral = 19;
// Enums (20-29)
static const int memberTier = 20;
static const int userType = 21;
static const int orderStatus = 22;
static const int projectStatus = 23;
static const int projectType = 24;
static const int transactionType = 25;
static const int giftStatus = 26;
static const int paymentStatus = 27;
static const int notificationType = 28;
static const int paymentMethod = 29;
// Cache & Sync Models (30-39)
static const int cachedData = 30;
static const int syncState = 31;
static const int offlineRequest = 32;
}
/// Hive Storage Keys
///
/// Keys used to store and retrieve data from Hive boxes.
class HiveKeys {
// Private constructor to prevent instantiation
HiveKeys._();
// User Box Keys
static const String currentUser = 'current_user';
static const String authToken = 'auth_token';
static const String refreshToken = 'refresh_token';
static const String isLoggedIn = 'is_logged_in';
// Settings Box Keys
static const String languageCode = 'language_code';
static const String themeMode = 'theme_mode';
static const String notificationsEnabled = 'notifications_enabled';
static const String lastSyncTime = 'last_sync_time';
static const String schemaVersion = 'schema_version';
static const String encryptionEnabled = 'encryption_enabled';
// Cache Box Keys
static const String productsCacheKey = 'products_cache';
static const String categoriesCacheKey = 'categories_cache';
static const String promotionsCacheKey = 'promotions_cache';
static const String loyaltyPointsCacheKey = 'loyalty_points_cache';
static const String rewardsCacheKey = 'rewards_cache';
// Sync State Box Keys
static const String productsSyncTime = 'products_sync_time';
static const String ordersSyncTime = 'orders_sync_time';
static const String projectsSyncTime = 'projects_sync_time';
static const String loyaltySyncTime = 'loyalty_sync_time';
static const String lastFullSyncTime = 'last_full_sync_time';
// App State Keys
static const String firstLaunch = 'first_launch';
static const String onboardingCompleted = 'onboarding_completed';
static const String appVersion = 'app_version';
}
/// Cache Duration Constants
///
/// Default cache expiration durations for different data types.
class CacheDuration {
// Private constructor to prevent instantiation
CacheDuration._();
/// Product data cache (6 hours)
static const Duration products = Duration(hours: 6);
/// Category data cache (24 hours)
static const Duration categories = Duration(hours: 24);
/// Loyalty points cache (1 hour)
static const Duration loyaltyPoints = Duration(hours: 1);
/// Rewards cache (12 hours)
static const Duration rewards = Duration(hours: 12);
/// Promotions cache (2 hours)
static const Duration promotions = Duration(hours: 2);
/// User profile cache (30 minutes)
static const Duration userProfile = Duration(minutes: 30);
/// Order history cache (5 minutes)
static const Duration orderHistory = Duration(minutes: 5);
/// Projects cache (10 minutes)
static const Duration projects = Duration(minutes: 10);
}
/// Database Configuration
class HiveDatabaseConfig {
// Private constructor to prevent instantiation
HiveDatabaseConfig._();
/// Current schema version for migrations
static const int currentSchemaVersion = 1;
/// Maximum cache size in MB
static const int maxCacheSizeMB = 100;
/// Maximum number of items in offline queue
static const int maxOfflineQueueSize = 100;
/// Enable encryption for sensitive data
static const bool enableEncryption = false; // Set to true in production
/// Compaction threshold (compact when box size grows by this percentage)
static const double compactionThreshold = 0.3; // 30%
}

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/// UI Constants for the Worker App
///
/// Contains spacing, sizes, border radius, elevation values, and other
/// UI-related constants used throughout the app.
library;
import 'package:flutter/material.dart';
/// Spacing constants following Material Design 8dp grid system
class AppSpacing {
AppSpacing._();
/// Extra small spacing: 4dp
static const double xs = 4.0;
/// Small spacing: 8dp
static const double sm = 8.0;
/// Medium spacing: 16dp
static const double md = 16.0;
/// Large spacing: 24dp
static const double lg = 24.0;
/// Extra large spacing: 32dp
static const double xl = 32.0;
/// Extra extra large spacing: 48dp
static const double xxl = 48.0;
}
/// Border radius constants
class AppRadius {
AppRadius._();
/// Small radius: 4dp
static const double sm = 4.0;
/// Medium radius: 8dp
static const double md = 8.0;
/// Large radius: 12dp
static const double lg = 12.0;
/// Extra large radius: 16dp
static const double xl = 16.0;
/// Card radius: 12dp
static const double card = 12.0;
/// Button radius: 8dp
static const double button = 8.0;
/// Input field radius: 8dp
static const double input = 8.0;
/// Member card radius: 16dp
static const double memberCard = 16.0;
/// Circular radius for avatars and badges
static const double circular = 9999.0;
}
/// Elevation constants for Material Design
class AppElevation {
AppElevation._();
/// No elevation
static const double none = 0.0;
/// Low elevation: 2dp
static const double low = 2.0;
/// Medium elevation: 4dp
static const double medium = 4.0;
/// High elevation: 8dp
static const double high = 8.0;
/// Card elevation: 2dp
static const double card = 2.0;
/// Button elevation: 2dp
static const double button = 2.0;
/// FAB elevation: 6dp
static const double fab = 6.0;
/// Member card elevation: 8dp
static const double memberCard = 8.0;
}
/// Icon size constants
class AppIconSize {
AppIconSize._();
/// Extra small icon: 16dp
static const double xs = 16.0;
/// Small icon: 20dp
static const double sm = 20.0;
/// Medium icon: 24dp
static const double md = 24.0;
/// Large icon: 32dp
static const double lg = 32.0;
/// Extra large icon: 48dp
static const double xl = 48.0;
}
/// App bar specifications
class AppBarSpecs {
AppBarSpecs._();
/// Standard app bar height
static const double height = 56.0;
/// App bar elevation
static const double elevation = 0.0;
/// App bar icon size
static const double iconSize = AppIconSize.md;
}
/// Bottom navigation bar specifications
class BottomNavSpecs {
BottomNavSpecs._();
/// Bottom nav bar height
static const double height = 72.0;
/// Icon size for unselected state
static const double iconSize = 24.0;
/// Icon size for selected state
static const double selectedIconSize = 28.0;
/// Label font size
static const double labelFontSize = 12.0;
/// Bottom nav bar elevation
static const double elevation = 8.0;
}
/// Floating Action Button specifications
class FABSpecs {
FABSpecs._();
/// FAB size
static const double size = 56.0;
/// FAB elevation
static const double elevation = 6.0;
/// FAB icon size
static const double iconSize = 24.0;
/// FAB position from bottom-right
static const Offset position = Offset(16, 16);
}
/// Member card specifications
class MemberCardSpecs {
MemberCardSpecs._();
/// Card width (full width)
static const double width = double.infinity;
/// Card height
static const double height = 200.0;
/// Border radius
static const double borderRadius = AppRadius.memberCard;
/// Card elevation
static const double elevation = AppElevation.memberCard;
/// Card padding
static const EdgeInsets padding = EdgeInsets.all(20.0);
/// QR code size
static const double qrSize = 80.0;
/// QR code background size
static const double qrBackgroundSize = 90.0;
/// Points display font size
static const double pointsFontSize = 28.0;
/// Points display font weight
static const FontWeight pointsFontWeight = FontWeight.bold;
/// Member ID font size
static const double memberIdFontSize = 14.0;
/// Member name font size
static const double memberNameFontSize = 18.0;
}
/// Button specifications
class ButtonSpecs {
ButtonSpecs._();
/// Button height
static const double height = 48.0;
/// Button minimum width
static const double minWidth = 120.0;
/// Button border radius
static const double borderRadius = AppRadius.button;
/// Button elevation
static const double elevation = AppElevation.button;
/// Button padding
static const EdgeInsets padding = EdgeInsets.symmetric(
horizontal: AppSpacing.lg,
vertical: AppSpacing.md,
);
/// Button font size
static const double fontSize = 16.0;
/// Button font weight
static const FontWeight fontWeight = FontWeight.w600;
}
/// Input field specifications
class InputFieldSpecs {
InputFieldSpecs._();
/// Input field height
static const double height = 56.0;
/// Input field border radius
static const double borderRadius = AppRadius.input;
/// Input field content padding
static const EdgeInsets contentPadding = EdgeInsets.symmetric(
horizontal: AppSpacing.md,
vertical: AppSpacing.md,
);
/// Input field font size
static const double fontSize = 16.0;
/// Label font size
static const double labelFontSize = 14.0;
/// Hint font size
static const double hintFontSize = 14.0;
}
/// Card specifications
class CardSpecs {
CardSpecs._();
/// Card border radius
static const double borderRadius = AppRadius.card;
/// Card elevation
static const double elevation = AppElevation.card;
/// Card padding
static const EdgeInsets padding = EdgeInsets.all(AppSpacing.md);
/// Card margin
static const EdgeInsets margin = EdgeInsets.symmetric(
horizontal: AppSpacing.md,
vertical: AppSpacing.sm,
);
}
/// Product card specifications
class ProductCardSpecs {
ProductCardSpecs._();
/// Product image aspect ratio (width / height)
static const double imageAspectRatio = 1.0;
/// Product card border radius
static const double borderRadius = AppRadius.card;
/// Product card elevation
static const double elevation = AppElevation.card;
/// Product card padding
static const EdgeInsets padding = EdgeInsets.all(AppSpacing.sm);
/// Product name max lines
static const int nameMaxLines = 2;
/// Product name font size
static const double nameFontSize = 14.0;
/// Product price font size
static const double priceFontSize = 16.0;
/// Product price font weight
static const FontWeight priceFontWeight = FontWeight.bold;
}
/// Order card specifications
class OrderCardSpecs {
OrderCardSpecs._();
/// Order number font size
static const double orderNumberFontSize = 16.0;
/// Order number font weight
static const FontWeight orderNumberFontWeight = FontWeight.w600;
/// Order date font size
static const double dateFontSize = 12.0;
/// Order total font size
static const double totalFontSize = 18.0;
/// Order total font weight
static const FontWeight totalFontWeight = FontWeight.bold;
}
/// Status badge specifications
class StatusBadgeSpecs {
StatusBadgeSpecs._();
/// Badge height
static const double height = 24.0;
/// Badge border radius
static const double borderRadius = 12.0;
/// Badge padding
static const EdgeInsets padding = EdgeInsets.symmetric(
horizontal: AppSpacing.sm,
vertical: 2.0,
);
/// Badge font size
static const double fontSize = 11.0;
/// Badge font weight
static const FontWeight fontWeight = FontWeight.w600;
}
/// Avatar specifications
class AvatarSpecs {
AvatarSpecs._();
/// Small avatar size
static const double sm = 32.0;
/// Medium avatar size
static const double md = 48.0;
/// Large avatar size
static const double lg = 64.0;
/// Extra large avatar size
static const double xl = 96.0;
}
/// Animation durations
class AppDuration {
AppDuration._();
/// Short animation: 200ms
static const Duration short = Duration(milliseconds: 200);
/// Medium animation: 300ms
static const Duration medium = Duration(milliseconds: 300);
/// Long animation: 500ms
static const Duration long = Duration(milliseconds: 500);
/// Page transition duration
static const Duration pageTransition = medium;
/// Fade in duration
static const Duration fadeIn = medium;
/// Shimmer animation duration
static const Duration shimmer = Duration(milliseconds: 1500);
}
/// Grid specifications
class GridSpecs {
GridSpecs._();
/// Product grid cross axis count (columns)
static const int productGridColumns = 2;
/// Product grid cross axis spacing
static const double productGridCrossSpacing = AppSpacing.md;
/// Product grid main axis spacing
static const double productGridMainSpacing = AppSpacing.md;
/// Quick action grid cross axis count
static const int quickActionColumns = 3;
/// Quick action grid cross axis spacing
static const double quickActionCrossSpacing = AppSpacing.md;
/// Quick action grid main axis spacing
static const double quickActionMainSpacing = AppSpacing.md;
}
/// List specifications
class ListSpecs {
ListSpecs._();
/// List item padding
static const EdgeInsets itemPadding = EdgeInsets.symmetric(
horizontal: AppSpacing.md,
vertical: AppSpacing.sm,
);
/// List item divider height
static const double dividerHeight = 1.0;
/// List item divider indent
static const double dividerIndent = AppSpacing.md;
}
/// Image specifications
class ImageSpecs {
ImageSpecs._();
/// Product image cache width
static const int productImageCacheWidth = 400;
/// Product image cache height
static const int productImageCacheHeight = 400;
/// Avatar image cache width
static const int avatarImageCacheWidth = 200;
/// Avatar image cache height
static const int avatarImageCacheHeight = 200;
/// Banner image cache width
static const int bannerImageCacheWidth = 800;
/// Banner image cache height
static const int bannerImageCacheHeight = 400;
}
/// Screen breakpoints for responsive design
class Breakpoints {
Breakpoints._();
/// Small screen (phone)
static const double sm = 600.0;
/// Medium screen (tablet)
static const double md = 960.0;
/// Large screen (desktop)
static const double lg = 1280.0;
/// Extra large screen
static const double xl = 1920.0;
}

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# Hive CE Quick Start Guide
## 1. Initialize in main.dart
```dart
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'core/database/hive_initializer.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
// Initialize Hive
await HiveInitializer.initialize(verbose: true);
runApp(const ProviderScope(child: MyApp()));
}
```
## 2. Save & Retrieve Data
```dart
import 'package:worker/core/database/database.dart';
final dbManager = DatabaseManager();
// Save
await dbManager.save(
boxName: HiveBoxNames.productBox,
key: 'product_123',
value: product,
);
// Get
final product = dbManager.get(
boxName: HiveBoxNames.productBox,
key: 'product_123',
);
```
## 3. Cache with Expiration
```dart
// Save to cache
await dbManager.saveToCache(
key: HiveKeys.productsCacheKey,
data: products,
);
// Get from cache
final cached = dbManager.getFromCache<List<Product>>(
key: HiveKeys.productsCacheKey,
maxAge: CacheDuration.products, // 6 hours
);
if (cached == null) {
// Cache expired - fetch fresh data
}
```
## 4. Create New Model
```dart
import 'package:hive_ce/hive.dart';
import 'package:worker/core/constants/storage_constants.dart';
part 'product_model.g.dart';
@HiveType(typeId: HiveTypeIds.product)
class ProductModel extends HiveObject {
@HiveField(0)
final String id;
@HiveField(1)
final String name;
ProductModel({required this.id, required this.name});
}
```
Then run:
```bash
dart run build_runner build --delete-conflicting-outputs
```
## 5. Logout (Clear User Data)
```dart
await HiveInitializer.logout();
```
## Available Boxes
- `HiveBoxNames.userBox` - User profile
- `HiveBoxNames.productBox` - Products
- `HiveBoxNames.cartBox` - Cart items
- `HiveBoxNames.orderBox` - Orders
- `HiveBoxNames.projectBox` - Projects
- `HiveBoxNames.loyaltyBox` - Loyalty data
- `HiveBoxNames.settingsBox` - Settings
- `HiveBoxNames.cacheBox` - API cache
- `HiveBoxNames.notificationBox` - Notifications
See `/lib/core/constants/storage_constants.dart` for complete list.
## Cache Durations
Pre-configured expiration times:
- `CacheDuration.products` - 6 hours
- `CacheDuration.categories` - 24 hours
- `CacheDuration.loyaltyPoints` - 1 hour
- `CacheDuration.rewards` - 12 hours
- `CacheDuration.promotions` - 2 hours
## Need More Info?
- Full Documentation: `/lib/core/database/README.md`
- Setup Summary: `/HIVE_SETUP.md`
- Storage Constants: `/lib/core/constants/storage_constants.dart`

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# Hive CE Database Setup
This directory contains the Hive CE (Community Edition) database configuration and services for the Worker Flutter app.
## Overview
The app uses Hive CE for offline-first local data persistence. Hive is a lightweight, fast NoSQL database written in pure Dart, perfect for Flutter applications.
## Key Features
- **Offline-First**: All data is stored locally and synced with the backend
- **Fast Performance**: Hive is optimized for speed with minimal overhead
- **Type-Safe**: Uses type adapters for strong typing
- **Encryption Support**: Optional AES encryption for sensitive data
- **Auto-Compaction**: Automatic database maintenance and cleanup
- **Migration Support**: Built-in schema versioning and migrations
## File Structure
```
lib/core/database/
├── README.md # This file
├── hive_service.dart # Main Hive initialization and lifecycle management
├── database_manager.dart # High-level database operations
└── models/
├── cached_data.dart # Generic cache wrapper model
└── enums.dart # All enum type adapters
```
## Setup Instructions
### 1. Install Dependencies
The required packages are already in `pubspec.yaml`:
```yaml
dependencies:
hive_ce: ^2.6.0
hive_ce_flutter: ^2.1.0
dev_dependencies:
hive_ce_generator: ^1.6.0
build_runner: ^2.4.11
```
Run:
```bash
flutter pub get
```
### 2. Generate Type Adapters
After creating Hive models with `@HiveType` annotations, run:
```bash
dart run build_runner build --delete-conflicting-outputs
```
Or for continuous watching during development:
```bash
dart run build_runner watch --delete-conflicting-outputs
```
### 3. Initialize Hive in main.dart
```dart
import 'package:flutter/material.dart';
import 'core/database/hive_service.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
// Initialize Hive
final hiveService = HiveService();
await hiveService.initialize();
runApp(const MyApp());
}
```
## Creating Hive Models
### Basic Model Example
```dart
import 'package:hive_ce/hive.dart';
import '../../constants/storage_constants.dart';
part 'user_model.g.dart'; // Generated file
@HiveType(typeId: HiveTypeIds.user)
class UserModel extends HiveObject {
@HiveField(0)
final String id;
@HiveField(1)
final String name;
@HiveField(2)
final String email;
UserModel({
required this.id,
required this.name,
required this.email,
});
}
```
### Enum Example
```dart
@HiveType(typeId: HiveTypeIds.memberTier)
enum MemberTier {
@HiveField(0)
gold,
@HiveField(1)
platinum,
@HiveField(2)
diamond,
}
```
### Important Rules
1. **Type IDs must be unique** across the entire app (0-223 for user types)
2. **Never change field numbers** once assigned - it will break existing data
3. **Use `part` directive** to include generated adapter file
4. **Extend HiveObject** for model classes (optional but recommended for auto-save)
5. **Register adapters** before opening boxes (handled by HiveService)
## Box Management
### Available Boxes
The app uses these pre-configured boxes (see `storage_constants.dart`):
- `user_box` - User profile and auth data (encrypted)
- `product_box` - Product catalog cache
- `cart_box` - Shopping cart items (encrypted)
- `order_box` - Order history (encrypted)
- `project_box` - Construction projects (encrypted)
- `loyalty_box` - Loyalty transactions (encrypted)
- `rewards_box` - Rewards catalog
- `settings_box` - App settings
- `cache_box` - Generic API cache
- `sync_state_box` - Sync timestamps
- `notification_box` - Notifications
- `address_box` - Delivery addresses (encrypted)
- `offline_queue_box` - Failed API requests queue (encrypted)
### Using Boxes
```dart
// Using DatabaseManager (recommended)
final dbManager = DatabaseManager();
// Save data
await dbManager.save(
boxName: HiveBoxNames.productBox,
key: 'product_123',
value: product,
);
// Get data
final product = dbManager.get(
boxName: HiveBoxNames.productBox,
key: 'product_123',
);
// Get all
final products = dbManager.getAll(boxName: HiveBoxNames.productBox);
```
## Caching Strategy
### Save to Cache
```dart
final dbManager = DatabaseManager();
await dbManager.saveToCache(
key: HiveKeys.productsCacheKey,
data: products,
);
```
### Get from Cache
```dart
final products = dbManager.getFromCache<List<Product>>(
key: HiveKeys.productsCacheKey,
maxAge: CacheDuration.products, // 6 hours
);
if (products == null) {
// Cache miss or expired - fetch from API
final freshProducts = await api.getProducts();
await dbManager.saveToCache(
key: HiveKeys.productsCacheKey,
data: freshProducts,
);
}
```
### Check Cache Validity
```dart
final isValid = dbManager.isCacheValid(
key: HiveKeys.productsCacheKey,
maxAge: CacheDuration.products,
);
if (!isValid) {
// Refresh cache
}
```
## Offline Queue
Handle failed API requests when offline:
```dart
// Add to queue when API call fails
await dbManager.addToOfflineQueue({
'endpoint': '/api/orders',
'method': 'POST',
'body': orderData,
});
// Process queue when back online
final queue = dbManager.getOfflineQueue();
for (var i = 0; i < queue.length; i++) {
try {
await api.request(queue[i]);
await dbManager.removeFromOfflineQueue(i);
} catch (e) {
// Keep in queue for next retry
}
}
```
## Data Synchronization
Track sync state for different data types:
```dart
// Update sync timestamp
await dbManager.updateSyncTime(HiveKeys.productsSyncTime);
// Get last sync time
final lastSync = dbManager.getLastSyncTime(HiveKeys.productsSyncTime);
// Check if needs sync
final needsSync = dbManager.needsSync(
dataType: HiveKeys.productsSyncTime,
syncInterval: Duration(hours: 6),
);
```
## Encryption
Enable encryption for sensitive data in `storage_constants.dart`:
```dart
class HiveDatabaseConfig {
static const bool enableEncryption = true;
}
```
Generate and store encryption key securely:
```dart
// Generate key
final encryptionKey = HiveService.generateEncryptionKey();
// Store securely using flutter_secure_storage
final secureStorage = FlutterSecureStorage();
await secureStorage.write(
key: 'hive_encryption_key',
value: base64Encode(encryptionKey),
);
// Initialize with key
final storedKey = await secureStorage.read(key: 'hive_encryption_key');
await hiveService.initialize(
encryptionKey: base64Decode(storedKey!),
);
```
## Migrations
Handle schema changes:
```dart
// In hive_service.dart, add migration logic:
Future<void> _migrateToVersion(int version) async {
switch (version) {
case 2:
await _migrateV1ToV2();
break;
}
}
Future<void> _migrateV1ToV2() async {
// Example: Add new field to existing data
final userBox = Hive.box(HiveBoxNames.userBox);
for (var key in userBox.keys) {
final user = userBox.get(key);
// Update user data structure
await userBox.put(key, updatedUser);
}
}
```
## Database Maintenance
### Clear Expired Cache
```dart
await dbManager.clearExpiredCache();
```
### Compact Boxes
```dart
final hiveService = HiveService();
// Compaction happens automatically during initialization
```
### Clear User Data (Logout)
```dart
await hiveService.clearUserData();
```
### Clear All Data
```dart
await hiveService.clearAllData();
```
### Get Statistics
```dart
final stats = dbManager.getStatistics();
dbManager.printStatistics();
```
## Best Practices
1. **Always initialize Hive before using any boxes**
2. **Use DatabaseManager for common operations**
3. **Cache frequently accessed data**
4. **Set appropriate cache expiration times**
5. **Handle errors gracefully** - Hive operations can fail
6. **Use transactions for multiple related updates**
7. **Compact boxes periodically** for optimal performance
8. **Never store large files in Hive** - use file system instead
9. **Test migrations thoroughly** before release
10. **Monitor database size** in production
## Debugging
### Print Box Contents
```dart
final box = Hive.box(HiveBoxNames.productBox);
print('Box length: ${box.length}');
print('Keys: ${box.keys}');
print('Values: ${box.values}');
```
### Check Box Location
```dart
print('Hive path: ${Hive.box(HiveBoxNames.settingsBox).path}');
```
### View Statistics
```dart
DatabaseManager().printStatistics();
```
## Troubleshooting
### "Box not found" Error
- Ensure Hive is initialized before accessing boxes
- Check that box name is correct
### "TypeAdapter not registered" Error
- Run `build_runner` to generate adapters
- Ensure adapter is registered in `HiveService._registerTypeAdapters()`
### "Cannot write null values" Error
- Make fields nullable with `?` or provide default values
- Check that HiveField annotations are correct
### Data Corruption
- Enable backup/restore functionality
- Implement data validation before saving
- Use try-catch blocks around Hive operations
## Testing
```dart
import 'package:flutter_test/flutter_test.dart';
import 'package:hive_ce/hive.dart';
import 'package:hive_ce_flutter/hive_flutter.dart';
void main() {
setUp(() async {
await Hive.initFlutter();
// Register test adapters
});
tearDown(() async {
await Hive.deleteFromDisk();
});
test('Save and retrieve user', () async {
final box = await Hive.openBox('test_box');
await box.put('user', UserModel(id: '1', name: 'Test'));
final user = box.get('user');
expect(user.name, 'Test');
});
}
```
## Resources
- [Hive CE Documentation](https://github.com/IO-Design-Team/hive_ce)
- [Original Hive Documentation](https://docs.hivedb.dev/)
- [Flutter Offline-First Best Practices](https://flutter.dev/docs/cookbook/persistence)
## Type Adapter Registry
### Registered Type IDs (0-223)
| Type ID | Model | Status |
|---------|-------|--------|
| 0 | UserModel | TODO |
| 1 | ProductModel | TODO |
| 2 | CartItemModel | TODO |
| 3 | OrderModel | TODO |
| 4 | ProjectModel | TODO |
| 5 | LoyaltyTransactionModel | TODO |
| 10 | OrderItemModel | TODO |
| 11 | AddressModel | TODO |
| 12 | CategoryModel | TODO |
| 13 | RewardModel | TODO |
| 14 | GiftModel | TODO |
| 15 | NotificationModel | TODO |
| 16 | QuoteModel | TODO |
| 17 | PaymentModel | TODO |
| 18 | PromotionModel | TODO |
| 19 | ReferralModel | TODO |
| 20 | MemberTier (enum) | Created |
| 21 | UserType (enum) | Created |
| 22 | OrderStatus (enum) | Created |
| 23 | ProjectStatus (enum) | Created |
| 24 | ProjectType (enum) | Created |
| 25 | TransactionType (enum) | Created |
| 26 | GiftStatus (enum) | Created |
| 27 | PaymentStatus (enum) | Created |
| 28 | NotificationType (enum) | Created |
| 29 | PaymentMethod (enum) | Created |
| 30 | CachedData | Created |
| 31 | SyncState | TODO |
| 32 | OfflineRequest | TODO |
**IMPORTANT**: Never reuse or change these type IDs once assigned!

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/// Hive CE Database Export
///
/// This file provides a convenient way to import all database-related
/// classes and utilities in a single import.
///
/// Usage:
/// ```dart
/// import 'package:worker/core/database/database.dart';
/// ```
library;
// Constants
export 'package:worker/core/constants/storage_constants.dart';
// Services
export 'package:worker/core/database/database_manager.dart';
export 'package:worker/core/database/hive_initializer.dart';
export 'package:worker/core/database/hive_service.dart';
// Models
export 'package:worker/core/database/models/cached_data.dart';
export 'package:worker/core/database/models/enums.dart';
// Auto-generated registrar
export 'package:worker/hive_registrar.g.dart';

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import 'package:flutter/foundation.dart';
import 'package:hive_ce/hive.dart';
import 'package:worker/core/constants/storage_constants.dart';
import 'package:worker/core/database/hive_service.dart';
/// Database Manager for common Hive operations
///
/// Provides high-level database operations and utilities for working
/// with Hive boxes across the application.
///
/// Features:
/// - CRUD operations with error handling
/// - Cache management with expiration
/// - Bulk operations
/// - Data validation
/// - Sync state tracking
class DatabaseManager {
DatabaseManager({HiveService? hiveService})
: _hiveService = hiveService ?? HiveService();
final HiveService _hiveService;
/// Get a box safely
Box<T> _getBox<T>(String boxName) {
if (!_hiveService.isBoxOpen(boxName)) {
throw HiveError('Box $boxName is not open. Initialize HiveService first.');
}
return _hiveService.getBox<T>(boxName);
}
// ==================== Generic CRUD Operations ====================
/// Save a value to a box
Future<void> save<T>({
required String boxName,
required String key,
required T value,
}) async {
try {
final box = _getBox<T>(boxName);
await box.put(key, value);
debugPrint('DatabaseManager: Saved $key to $boxName');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error saving $key to $boxName: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Get a value from a box
T? get<T>({
required String boxName,
required String key,
T? defaultValue,
}) {
try {
final box = _getBox<T>(boxName);
return box.get(key, defaultValue: defaultValue);
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error getting $key from $boxName: $e');
debugPrint('StackTrace: $stackTrace');
return defaultValue;
}
}
/// Delete a value from a box
Future<void> delete({
required String boxName,
required String key,
}) async {
try {
final box = _getBox<dynamic>(boxName);
await box.delete(key);
debugPrint('DatabaseManager: Deleted $key from $boxName');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error deleting $key from $boxName: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Check if a key exists in a box
bool exists({
required String boxName,
required String key,
}) {
try {
final box = _getBox<dynamic>(boxName);
return box.containsKey(key);
} catch (e) {
debugPrint('DatabaseManager: Error checking $key in $boxName: $e');
return false;
}
}
/// Get all values from a box
List<T> getAll<T>({required String boxName}) {
try {
final box = _getBox<T>(boxName);
return box.values.toList();
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error getting all from $boxName: $e');
debugPrint('StackTrace: $stackTrace');
return [];
}
}
/// Save multiple values to a box
Future<void> saveAll<T>({
required String boxName,
required Map<String, T> entries,
}) async {
try {
final box = _getBox<T>(boxName);
await box.putAll(entries);
debugPrint('DatabaseManager: Saved ${entries.length} items to $boxName');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error saving all to $boxName: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Clear all data from a box
Future<void> clearBox({required String boxName}) async {
try {
final box = _getBox<dynamic>(boxName);
await box.clear();
debugPrint('DatabaseManager: Cleared $boxName');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error clearing $boxName: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
// ==================== Cache Operations ====================
/// Save data to cache with timestamp
Future<void> saveToCache<T>({
required String key,
required T data,
}) async {
try {
final cacheBox = _getBox<dynamic>(HiveBoxNames.cacheBox);
await cacheBox.put(key, {
'data': data,
'timestamp': DateTime.now().toIso8601String(),
});
debugPrint('DatabaseManager: Cached $key');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error caching $key: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Get data from cache
///
/// Returns null if cache is expired or doesn't exist
T? getFromCache<T>({
required String key,
Duration? maxAge,
}) {
try {
final cacheBox = _getBox<dynamic>(HiveBoxNames.cacheBox);
final cachedData = cacheBox.get(key) as Map<dynamic, dynamic>?;
if (cachedData == null) {
debugPrint('DatabaseManager: Cache miss for $key');
return null;
}
// Check if cache is expired
if (maxAge != null) {
final timestamp = DateTime.parse(cachedData['timestamp'] as String);
final age = DateTime.now().difference(timestamp);
if (age > maxAge) {
debugPrint('DatabaseManager: Cache expired for $key (age: $age)');
return null;
}
}
debugPrint('DatabaseManager: Cache hit for $key');
return cachedData['data'] as T?;
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error getting cache $key: $e');
debugPrint('StackTrace: $stackTrace');
return null;
}
}
/// Check if cache is valid (exists and not expired)
bool isCacheValid({
required String key,
Duration? maxAge,
}) {
try {
final cacheBox = _getBox<dynamic>(HiveBoxNames.cacheBox);
final cachedData = cacheBox.get(key) as Map<dynamic, dynamic>?;
if (cachedData == null) return false;
if (maxAge != null) {
final timestamp = DateTime.parse(cachedData['timestamp'] as String);
final age = DateTime.now().difference(timestamp);
return age <= maxAge;
}
return true;
} catch (e) {
debugPrint('DatabaseManager: Error checking cache validity $key: $e');
return false;
}
}
/// Clear expired cache entries
Future<void> clearExpiredCache() async {
try {
final cacheBox = _getBox<dynamic>(HiveBoxNames.cacheBox);
final keysToDelete = <String>[];
for (final key in cacheBox.keys) {
final cachedData = cacheBox.get(key) as Map<dynamic, dynamic>?;
if (cachedData != null) {
try {
final timestamp = DateTime.parse(cachedData['timestamp'] as String);
final age = DateTime.now().difference(timestamp);
// Use default max age of 24 hours
if (age > const Duration(hours: 24)) {
keysToDelete.add(key as String);
}
} catch (e) {
// Invalid cache entry, mark for deletion
keysToDelete.add(key as String);
}
}
}
for (final key in keysToDelete) {
await cacheBox.delete(key);
}
debugPrint('DatabaseManager: Cleared ${keysToDelete.length} expired cache entries');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error clearing expired cache: $e');
debugPrint('StackTrace: $stackTrace');
}
}
// ==================== Sync State Operations ====================
/// Update sync timestamp for a data type
Future<void> updateSyncTime(String dataType) async {
try {
final syncBox = _getBox<dynamic>(HiveBoxNames.syncStateBox);
await syncBox.put(dataType, DateTime.now().toIso8601String());
debugPrint('DatabaseManager: Updated sync time for $dataType');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error updating sync time for $dataType: $e');
debugPrint('StackTrace: $stackTrace');
}
}
/// Get last sync time for a data type
DateTime? getLastSyncTime(String dataType) {
try {
final syncBox = _getBox<dynamic>(HiveBoxNames.syncStateBox);
final timestamp = syncBox.get(dataType);
if (timestamp == null) return null;
return DateTime.parse(timestamp as String);
} catch (e) {
debugPrint('DatabaseManager: Error getting sync time for $dataType: $e');
return null;
}
}
/// Check if data needs sync
bool needsSync({
required String dataType,
required Duration syncInterval,
}) {
final lastSync = getLastSyncTime(dataType);
if (lastSync == null) return true;
final timeSinceSync = DateTime.now().difference(lastSync);
return timeSinceSync > syncInterval;
}
// ==================== Settings Operations ====================
/// Save a setting
Future<void> saveSetting<T>({
required String key,
required T value,
}) async {
await save(
boxName: HiveBoxNames.settingsBox,
key: key,
value: value,
);
}
/// Get a setting
T? getSetting<T>({
required String key,
T? defaultValue,
}) {
return get(
boxName: HiveBoxNames.settingsBox,
key: key,
defaultValue: defaultValue,
);
}
// ==================== Offline Queue Operations ====================
/// Add request to offline queue
Future<void> addToOfflineQueue(Map<String, dynamic> request) async {
try {
final queueBox = _getBox<dynamic>(HiveBoxNames.offlineQueueBox);
// Check queue size limit
if (queueBox.length >= HiveDatabaseConfig.maxOfflineQueueSize) {
debugPrint('DatabaseManager: Offline queue is full, removing oldest item');
await queueBox.deleteAt(0);
}
await queueBox.add({
...request,
'timestamp': DateTime.now().toIso8601String(),
});
debugPrint('DatabaseManager: Added request to offline queue');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error adding to offline queue: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Get all offline queue items
List<Map<String, dynamic>> getOfflineQueue() {
try {
final queueBox = _getBox<dynamic>(HiveBoxNames.offlineQueueBox);
return queueBox.values
.map((e) => Map<String, dynamic>.from(e as Map<dynamic, dynamic>))
.toList();
} catch (e) {
debugPrint('DatabaseManager: Error getting offline queue: $e');
return [];
}
}
/// Remove item from offline queue
Future<void> removeFromOfflineQueue(int index) async {
try {
final queueBox = _getBox<dynamic>(HiveBoxNames.offlineQueueBox);
await queueBox.deleteAt(index);
debugPrint('DatabaseManager: Removed item $index from offline queue');
} catch (e, stackTrace) {
debugPrint('DatabaseManager: Error removing from offline queue: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Clear offline queue
Future<void> clearOfflineQueue() async {
await clearBox(boxName: HiveBoxNames.offlineQueueBox);
}
// ==================== Statistics ====================
/// Get database statistics
Map<String, dynamic> getStatistics() {
final stats = <String, dynamic>{};
for (final boxName in HiveBoxNames.allBoxes) {
try {
if (_hiveService.isBoxOpen(boxName)) {
final box = _getBox<dynamic>(boxName);
stats[boxName] = {
'count': box.length,
'keys': box.keys.length,
};
}
} catch (e) {
stats[boxName] = {'error': e.toString()};
}
}
return stats;
}
/// Print database statistics
void printStatistics() {
final stats = getStatistics();
debugPrint('=== Hive Database Statistics ===');
stats.forEach((boxName, data) {
debugPrint('$boxName: $data');
});
debugPrint('================================');
}
}

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import 'package:flutter/foundation.dart';
import 'package:worker/core/database/database_manager.dart';
import 'package:worker/core/database/hive_service.dart';
/// Hive Database Initializer
///
/// Provides a simple API for initializing the Hive database
/// in the main.dart file.
///
/// Example usage:
/// ```dart
/// void main() async {
/// WidgetsFlutterBinding.ensureInitialized();
///
/// // Initialize Hive
/// await HiveInitializer.initialize();
///
/// runApp(const MyApp());
/// }
/// ```
class HiveInitializer {
/// Initialize Hive database
///
/// This method should be called once during app startup.
/// It initializes Hive, registers adapters, and opens boxes.
///
/// [enableEncryption] - Enable AES encryption for sensitive boxes
/// [encryptionKey] - Optional custom encryption key (256-bit)
/// [verbose] - Enable verbose logging for debugging
static Future<void> initialize({
bool enableEncryption = false,
List<int>? encryptionKey,
bool verbose = false,
}) async {
try {
if (verbose) {
debugPrint('HiveInitializer: Starting initialization...');
}
// Get HiveService instance
final hiveService = HiveService();
// Initialize Hive
await hiveService.initialize(
encryptionKey: enableEncryption ? encryptionKey : null,
);
// Perform initial maintenance
if (verbose) {
debugPrint('HiveInitializer: Performing initial maintenance...');
}
final dbManager = DatabaseManager();
// Clear expired cache on app start
await dbManager.clearExpiredCache();
// Print statistics in debug mode
if (verbose && kDebugMode) {
dbManager.printStatistics();
}
if (verbose) {
debugPrint('HiveInitializer: Initialization complete');
}
} catch (e, stackTrace) {
debugPrint('HiveInitializer: Initialization failed: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Close Hive database
///
/// Should be called when app is terminating.
/// Usually not needed for normal app lifecycle.
static Future<void> close() async {
final hiveService = HiveService();
await hiveService.close();
}
/// Reset database (clear all data)
///
/// WARNING: This will delete all local data!
/// Use only for logout or app reset functionality.
static Future<void> reset() async {
final hiveService = HiveService();
await hiveService.clearAllData();
}
/// Clear user data (logout)
///
/// Clears user-specific data while preserving app settings and cache.
static Future<void> logout() async {
final hiveService = HiveService();
await hiveService.clearUserData();
}
/// Get database statistics
///
/// Returns statistics about all Hive boxes.
static Map<String, dynamic> getStatistics() {
final dbManager = DatabaseManager();
return dbManager.getStatistics();
}
/// Print database statistics (debug only)
static void printStatistics() {
if (kDebugMode) {
final dbManager = DatabaseManager();
dbManager.printStatistics();
}
}
}

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import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:hive_ce_flutter/hive_flutter.dart';
import 'package:path_provider/path_provider.dart';
import 'package:worker/core/constants/storage_constants.dart';
import 'package:worker/hive_registrar.g.dart';
/// Hive CE (Community Edition) Database Service
///
/// This service manages the initialization, configuration, and lifecycle
/// of the Hive database for offline-first functionality.
///
/// Features:
/// - Box initialization and registration
/// - Type adapter registration
/// - Encryption support
/// - Database compaction
/// - Migration handling
/// - Error recovery
class HiveService {
HiveService._internal();
// Singleton pattern
factory HiveService() => _instance;
static final HiveService _instance = HiveService._internal();
/// Indicates whether Hive has been initialized
bool _isInitialized = false;
bool get isInitialized => _isInitialized;
/// Encryption cipher (if enabled)
HiveAesCipher? _encryptionCipher;
/// Initialize Hive database
///
/// This should be called once during app startup, before any
/// Hive operations are performed.
///
/// [encryptionKey] - Optional 256-bit encryption key for secure storage
/// If not provided and encryption is enabled, a new key will be generated.
Future<void> initialize({List<int>? encryptionKey}) async {
if (_isInitialized) {
debugPrint('HiveService: Already initialized');
return;
}
try {
debugPrint('HiveService: Initializing Hive CE...');
// Initialize Hive for Flutter
await Hive.initFlutter();
// Setup encryption if enabled
if (HiveDatabaseConfig.enableEncryption) {
_encryptionCipher = HiveAesCipher(
encryptionKey ?? Hive.generateSecureKey(),
);
debugPrint('HiveService: Encryption enabled');
}
// Register all type adapters
await _registerTypeAdapters();
// Open all boxes
await _openBoxes();
// Check and perform migrations if needed
await _performMigrations();
// Perform initial cleanup/compaction if needed
await _performMaintenance();
_isInitialized = true;
debugPrint('HiveService: Initialization complete');
} catch (e, stackTrace) {
debugPrint('HiveService: Initialization failed: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Register all Hive type adapters
///
/// Type adapters must be registered before opening boxes.
/// Uses auto-generated registrar from hive_registrar.g.dart
Future<void> _registerTypeAdapters() async {
debugPrint('HiveService: Registering type adapters...');
// Register all adapters using the auto-generated extension
// This automatically registers:
// - CachedDataAdapter (typeId: 30)
// - All enum adapters (typeIds: 20-29)
Hive.registerAdapters();
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.memberTier) ? "✓" : "✗"} MemberTier adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.userType) ? "✓" : "✗"} UserType adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.orderStatus) ? "✓" : "✗"} OrderStatus adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.projectStatus) ? "✓" : "✗"} ProjectStatus adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.projectType) ? "✓" : "✗"} ProjectType adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.transactionType) ? "✓" : "✗"} TransactionType adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.giftStatus) ? "✓" : "✗"} GiftStatus adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.paymentStatus) ? "✓" : "✗"} PaymentStatus adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.notificationType) ? "✓" : "✗"} NotificationType adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.paymentMethod) ? "✓" : "✗"} PaymentMethod adapter');
debugPrint('HiveService: ${Hive.isAdapterRegistered(HiveTypeIds.cachedData) ? "✓" : "✗"} CachedData adapter');
// TODO: Register actual model type adapters when models are created
// These will be added to the auto-generated registrar when models are created
// Example:
// - UserModel (typeId: 0)
// - ProductModel (typeId: 1)
// - CartItemModel (typeId: 2)
// - OrderModel (typeId: 3)
// - ProjectModel (typeId: 4)
// - LoyaltyTransactionModel (typeId: 5)
// etc.
debugPrint('HiveService: Type adapters registered successfully');
}
/// Open all Hive boxes
///
/// Opens boxes for immediate access. Some boxes use encryption if enabled.
Future<void> _openBoxes() async {
debugPrint('HiveService: Opening boxes...');
try {
// Open non-encrypted boxes
await Future.wait([
// Settings and preferences (non-sensitive)
Hive.openBox<dynamic>(HiveBoxNames.settingsBox),
// Cache boxes (non-sensitive)
Hive.openBox<dynamic>(HiveBoxNames.cacheBox),
Hive.openBox<dynamic>(HiveBoxNames.syncStateBox),
// Product and catalog data (non-sensitive)
Hive.openBox<dynamic>(HiveBoxNames.productBox),
Hive.openBox<dynamic>(HiveBoxNames.rewardsBox),
// Notification box (non-sensitive)
Hive.openBox<dynamic>(HiveBoxNames.notificationBox),
]);
// Open potentially encrypted boxes (sensitive data)
final encryptedBoxes = [
HiveBoxNames.userBox,
HiveBoxNames.cartBox,
HiveBoxNames.orderBox,
HiveBoxNames.projectBox,
HiveBoxNames.loyaltyBox,
HiveBoxNames.addressBox,
HiveBoxNames.offlineQueueBox,
];
for (final boxName in encryptedBoxes) {
await Hive.openBox<dynamic>(
boxName,
encryptionCipher: _encryptionCipher,
);
}
debugPrint('HiveService: All boxes opened successfully');
} catch (e, stackTrace) {
debugPrint('HiveService: Error opening boxes: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Perform database migrations
///
/// Handles schema version upgrades and data migrations.
Future<void> _performMigrations() async {
final settingsBox = Hive.box<dynamic>(HiveBoxNames.settingsBox);
final currentVersion = settingsBox.get(
HiveKeys.schemaVersion,
defaultValue: 0,
) as int;
debugPrint('HiveService: Current schema version: $currentVersion');
debugPrint('HiveService: Target schema version: ${HiveDatabaseConfig.currentSchemaVersion}');
if (currentVersion < HiveDatabaseConfig.currentSchemaVersion) {
debugPrint('HiveService: Performing migrations...');
// Perform migrations sequentially
for (int version = currentVersion + 1;
version <= HiveDatabaseConfig.currentSchemaVersion;
version++) {
await _migrateToVersion(version);
}
// Update schema version
await settingsBox.put(
HiveKeys.schemaVersion,
HiveDatabaseConfig.currentSchemaVersion,
);
debugPrint('HiveService: Migrations complete');
} else {
debugPrint('HiveService: No migrations needed');
}
}
/// Migrate to a specific version
Future<void> _migrateToVersion(int version) async {
debugPrint('HiveService: Migrating to version $version');
switch (version) {
case 1:
// Initial version - no migration needed
break;
// Future migrations will be added here
// case 2:
// await _migrateV1ToV2();
// break;
default:
debugPrint('HiveService: Unknown migration version: $version');
}
}
/// Perform database maintenance
///
/// Includes compaction, cleanup of expired cache, etc.
Future<void> _performMaintenance() async {
debugPrint('HiveService: Performing maintenance...');
try {
// Compact boxes if needed
await _compactBoxes();
// Clear expired cache
await _clearExpiredCache();
// Limit offline queue size
await _limitOfflineQueue();
debugPrint('HiveService: Maintenance complete');
} catch (e, stackTrace) {
debugPrint('HiveService: Maintenance error: $e');
debugPrint('StackTrace: $stackTrace');
// Don't throw - maintenance errors shouldn't prevent app startup
}
}
/// Compact boxes to reduce file size
Future<void> _compactBoxes() async {
for (final boxName in HiveBoxNames.allBoxes) {
try {
if (Hive.isBoxOpen(boxName)) {
final box = Hive.box<dynamic>(boxName);
await box.compact();
debugPrint('HiveService: Compacted box: $boxName');
}
} catch (e) {
debugPrint('HiveService: Error compacting box $boxName: $e');
}
}
}
/// Clear expired cache entries
Future<void> _clearExpiredCache() async {
final cacheBox = Hive.box<dynamic>(HiveBoxNames.cacheBox);
// TODO: Implement cache expiration logic
// This will be implemented when cache models are created
debugPrint('HiveService: Cleared expired cache entries');
}
/// Limit offline queue size
Future<void> _limitOfflineQueue() async {
final queueBox = Hive.box<dynamic>(HiveBoxNames.offlineQueueBox);
if (queueBox.length > HiveDatabaseConfig.maxOfflineQueueSize) {
final itemsToRemove = queueBox.length - HiveDatabaseConfig.maxOfflineQueueSize;
// Remove oldest items
for (int i = 0; i < itemsToRemove; i++) {
await queueBox.deleteAt(0);
}
debugPrint('HiveService: Removed $itemsToRemove old items from offline queue');
}
}
/// Get a box by name
///
/// Returns an already opened box. Throws if box is not open.
Box<T> getBox<T>(String boxName) {
if (!Hive.isBoxOpen(boxName)) {
throw HiveError('Box $boxName is not open');
}
return Hive.box<T>(boxName);
}
/// Check if a box is open
bool isBoxOpen(String boxName) {
return Hive.isBoxOpen(boxName);
}
/// Clear all data from all boxes
///
/// WARNING: This will delete all local data. Use with caution.
Future<void> clearAllData() async {
debugPrint('HiveService: Clearing all data...');
for (final boxName in HiveBoxNames.allBoxes) {
try {
if (Hive.isBoxOpen(boxName)) {
final box = Hive.box<dynamic>(boxName);
await box.clear();
debugPrint('HiveService: Cleared box: $boxName');
}
} catch (e) {
debugPrint('HiveService: Error clearing box $boxName: $e');
}
}
debugPrint('HiveService: All data cleared');
}
/// Clear user-specific data (logout)
///
/// Clears user data while preserving app settings and cache
Future<void> clearUserData() async {
debugPrint('HiveService: Clearing user data...');
final boxesToClear = [
HiveBoxNames.userBox,
HiveBoxNames.cartBox,
HiveBoxNames.orderBox,
HiveBoxNames.projectBox,
HiveBoxNames.loyaltyBox,
HiveBoxNames.addressBox,
HiveBoxNames.notificationBox,
];
for (final boxName in boxesToClear) {
try {
if (Hive.isBoxOpen(boxName)) {
final box = Hive.box<dynamic>(boxName);
await box.clear();
debugPrint('HiveService: Cleared box: $boxName');
}
} catch (e) {
debugPrint('HiveService: Error clearing box $boxName: $e');
}
}
debugPrint('HiveService: User data cleared');
}
/// Close all boxes
///
/// Should be called when app is terminating
Future<void> close() async {
debugPrint('HiveService: Closing all boxes...');
try {
await Hive.close();
_isInitialized = false;
debugPrint('HiveService: All boxes closed');
} catch (e, stackTrace) {
debugPrint('HiveService: Error closing boxes: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Delete all Hive data from disk
///
/// WARNING: This completely removes the database. Use only for testing or reset.
Future<void> deleteFromDisk() async {
debugPrint('HiveService: Deleting database from disk...');
try {
// Close all boxes first
await close();
// Delete Hive directory
final appDocDir = await getApplicationDocumentsDirectory();
final hiveDir = Directory('${appDocDir.path}/hive');
if (await hiveDir.exists()) {
await hiveDir.delete(recursive: true);
debugPrint('HiveService: Database deleted from disk');
}
} catch (e, stackTrace) {
debugPrint('HiveService: Error deleting database: $e');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
/// Generate a secure encryption key
///
/// Returns a 256-bit encryption key for secure box encryption.
/// Store this key securely (e.g., in flutter_secure_storage).
static List<int> generateEncryptionKey() {
return Hive.generateSecureKey();
}
}

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import 'package:hive_ce/hive.dart';
import 'package:worker/core/constants/storage_constants.dart';
part 'cached_data.g.dart';
/// Cached Data Model
///
/// Wrapper for caching API responses with timestamp and expiration.
/// Used for offline-first functionality and reducing API calls.
///
/// Example usage:
/// ```dart
/// final cachedProducts = CachedData(
/// data: products,
/// lastUpdated: DateTime.now(),
/// );
/// ```
@HiveType(typeId: HiveTypeIds.cachedData)
class CachedData extends HiveObject {
CachedData({
required this.data,
required this.lastUpdated,
this.expiresAt,
this.source,
});
/// The cached data (stored as dynamic)
@HiveField(0)
final dynamic data;
/// When the data was last updated
@HiveField(1)
final DateTime lastUpdated;
/// Optional expiration time
@HiveField(2)
final DateTime? expiresAt;
/// Source of the data (e.g., 'api', 'local')
@HiveField(3)
final String? source;
/// Check if cache is expired
bool get isExpired {
if (expiresAt == null) return false;
return DateTime.now().isAfter(expiresAt!);
}
/// Check if cache is fresh (not expired and within max age)
bool isFresh(Duration maxAge) {
if (isExpired) return false;
final age = DateTime.now().difference(lastUpdated);
return age <= maxAge;
}
/// Get age of cached data
Duration get age => DateTime.now().difference(lastUpdated);
/// Create a copy with updated data
CachedData copyWith({
dynamic data,
DateTime? lastUpdated,
DateTime? expiresAt,
String? source,
}) {
return CachedData(
data: data ?? this.data,
lastUpdated: lastUpdated ?? this.lastUpdated,
expiresAt: expiresAt ?? this.expiresAt,
source: source ?? this.source,
);
}
@override
String toString() {
return 'CachedData(lastUpdated: $lastUpdated, expiresAt: $expiresAt, source: $source, isExpired: $isExpired)';
}
}

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// GENERATED CODE - DO NOT MODIFY BY HAND
part of 'cached_data.dart';
// **************************************************************************
// TypeAdapterGenerator
// **************************************************************************
class CachedDataAdapter extends TypeAdapter<CachedData> {
@override
final typeId = 30;
@override
CachedData read(BinaryReader reader) {
final numOfFields = reader.readByte();
final fields = <int, dynamic>{
for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
};
return CachedData(
data: fields[0] as dynamic,
lastUpdated: fields[1] as DateTime,
expiresAt: fields[2] as DateTime?,
source: fields[3] as String?,
);
}
@override
void write(BinaryWriter writer, CachedData obj) {
writer
..writeByte(4)
..writeByte(0)
..write(obj.data)
..writeByte(1)
..write(obj.lastUpdated)
..writeByte(2)
..write(obj.expiresAt)
..writeByte(3)
..write(obj.source);
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is CachedDataAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}

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import 'package:hive_ce/hive.dart';
import 'package:worker/core/constants/storage_constants.dart';
part 'enums.g.dart';
/// Member Tier Levels
///
/// Represents the loyalty program membership tiers.
/// Higher tiers receive more benefits and rewards.
@HiveType(typeId: HiveTypeIds.memberTier)
enum MemberTier {
/// Gold tier - Entry level membership
@HiveField(0)
gold,
/// Platinum tier - Mid-level membership
@HiveField(1)
platinum,
/// Diamond tier - Premium membership
@HiveField(2)
diamond,
}
/// User Type Categories
///
/// Represents the different types of users in the app.
@HiveType(typeId: HiveTypeIds.userType)
enum UserType {
/// Construction contractor
@HiveField(0)
contractor,
/// Architect or designer
@HiveField(1)
architect,
/// Product distributor
@HiveField(2)
distributor,
/// Real estate broker
@HiveField(3)
broker,
}
/// Order Status
///
/// Represents the current state of an order.
@HiveType(typeId: HiveTypeIds.orderStatus)
enum OrderStatus {
/// Order placed, awaiting confirmation
@HiveField(0)
pending,
/// Order confirmed and being processed
@HiveField(1)
processing,
/// Order is being shipped/delivered
@HiveField(2)
shipping,
/// Order completed successfully
@HiveField(3)
completed,
/// Order cancelled
@HiveField(4)
cancelled,
/// Order refunded
@HiveField(5)
refunded,
}
/// Project Status
///
/// Represents the current state of a construction project.
@HiveType(typeId: HiveTypeIds.projectStatus)
enum ProjectStatus {
/// Project in planning phase
@HiveField(0)
planning,
/// Project actively in progress
@HiveField(1)
inProgress,
/// Project on hold
@HiveField(2)
onHold,
/// Project completed
@HiveField(3)
completed,
/// Project cancelled
@HiveField(4)
cancelled,
}
/// Project Type
///
/// Represents the category of construction project.
@HiveType(typeId: HiveTypeIds.projectType)
enum ProjectType {
/// Residential building project
@HiveField(0)
residential,
/// Commercial building project
@HiveField(1)
commercial,
/// Industrial facility project
@HiveField(2)
industrial,
/// Infrastructure project
@HiveField(3)
infrastructure,
/// Renovation project
@HiveField(4)
renovation,
}
/// Loyalty Transaction Type
///
/// Represents the type of loyalty points transaction.
@HiveType(typeId: HiveTypeIds.transactionType)
enum TransactionType {
/// Points earned from purchase
@HiveField(0)
earnedPurchase,
/// Points earned from referral
@HiveField(1)
earnedReferral,
/// Points earned from promotion
@HiveField(2)
earnedPromotion,
/// Bonus points from admin
@HiveField(3)
earnedBonus,
/// Points redeemed for reward
@HiveField(4)
redeemedReward,
/// Points redeemed for discount
@HiveField(5)
redeemedDiscount,
/// Points adjusted by admin
@HiveField(6)
adjustment,
/// Points expired
@HiveField(7)
expired,
}
/// Gift Status
///
/// Represents the status of a redeemed gift/reward.
@HiveType(typeId: HiveTypeIds.giftStatus)
enum GiftStatus {
/// Gift is active and can be used
@HiveField(0)
active,
/// Gift has been used
@HiveField(1)
used,
/// Gift has expired
@HiveField(2)
expired,
/// Gift is reserved but not activated
@HiveField(3)
reserved,
/// Gift has been cancelled
@HiveField(4)
cancelled,
}
/// Payment Status
///
/// Represents the status of a payment transaction.
@HiveType(typeId: HiveTypeIds.paymentStatus)
enum PaymentStatus {
/// Payment pending
@HiveField(0)
pending,
/// Payment being processed
@HiveField(1)
processing,
/// Payment completed successfully
@HiveField(2)
completed,
/// Payment failed
@HiveField(3)
failed,
/// Payment refunded
@HiveField(4)
refunded,
/// Payment cancelled
@HiveField(5)
cancelled,
}
/// Notification Type
///
/// Represents different categories of notifications.
@HiveType(typeId: HiveTypeIds.notificationType)
enum NotificationType {
/// Order-related notification
@HiveField(0)
order,
/// Promotion or offer notification
@HiveField(1)
promotion,
/// System announcement
@HiveField(2)
system,
/// Loyalty program notification
@HiveField(3)
loyalty,
/// Project-related notification
@HiveField(4)
project,
/// Payment notification
@HiveField(5)
payment,
/// General message
@HiveField(6)
message,
}
/// Payment Method
///
/// Represents available payment methods.
@HiveType(typeId: HiveTypeIds.paymentMethod)
enum PaymentMethod {
/// Cash on delivery
@HiveField(0)
cashOnDelivery,
/// Bank transfer
@HiveField(1)
bankTransfer,
/// Credit/Debit card
@HiveField(2)
card,
/// E-wallet (Momo, ZaloPay, etc.)
@HiveField(3)
eWallet,
/// QR code payment
@HiveField(4)
qrCode,
/// Pay later / Credit
@HiveField(5)
payLater,
}
/// Extension methods for enums
extension MemberTierExtension on MemberTier {
/// Get display name
String get displayName {
switch (this) {
case MemberTier.gold:
return 'Gold';
case MemberTier.platinum:
return 'Platinum';
case MemberTier.diamond:
return 'Diamond';
}
}
/// Get tier level (higher is better)
int get level {
switch (this) {
case MemberTier.gold:
return 1;
case MemberTier.platinum:
return 2;
case MemberTier.diamond:
return 3;
}
}
}
extension UserTypeExtension on UserType {
/// Get display name (Vietnamese)
String get displayName {
switch (this) {
case UserType.contractor:
return 'Thầu thợ';
case UserType.architect:
return 'Kiến trúc sư';
case UserType.distributor:
return 'Đại lý phân phối';
case UserType.broker:
return 'Môi giới';
}
}
}
extension OrderStatusExtension on OrderStatus {
/// Get display name (Vietnamese)
String get displayName {
switch (this) {
case OrderStatus.pending:
return 'Chờ xác nhận';
case OrderStatus.processing:
return 'Đang xử lý';
case OrderStatus.shipping:
return 'Đang giao hàng';
case OrderStatus.completed:
return 'Hoàn thành';
case OrderStatus.cancelled:
return 'Đã hủy';
case OrderStatus.refunded:
return 'Đã hoàn tiền';
}
}
/// Check if order is active
bool get isActive {
return this == OrderStatus.pending ||
this == OrderStatus.processing ||
this == OrderStatus.shipping;
}
/// Check if order is final
bool get isFinal {
return this == OrderStatus.completed ||
this == OrderStatus.cancelled ||
this == OrderStatus.refunded;
}
}
extension ProjectStatusExtension on ProjectStatus {
/// Get display name (Vietnamese)
String get displayName {
switch (this) {
case ProjectStatus.planning:
return 'Lập kế hoạch';
case ProjectStatus.inProgress:
return 'Đang thực hiện';
case ProjectStatus.onHold:
return 'Tạm dừng';
case ProjectStatus.completed:
return 'Hoàn thành';
case ProjectStatus.cancelled:
return 'Đã hủy';
}
}
/// Check if project is active
bool get isActive {
return this == ProjectStatus.planning || this == ProjectStatus.inProgress;
}
}
extension TransactionTypeExtension on TransactionType {
/// Check if transaction is earning points
bool get isEarning {
return this == TransactionType.earnedPurchase ||
this == TransactionType.earnedReferral ||
this == TransactionType.earnedPromotion ||
this == TransactionType.earnedBonus;
}
/// Check if transaction is spending points
bool get isSpending {
return this == TransactionType.redeemedReward ||
this == TransactionType.redeemedDiscount;
}
/// Get display name (Vietnamese)
String get displayName {
switch (this) {
case TransactionType.earnedPurchase:
return 'Mua hàng';
case TransactionType.earnedReferral:
return 'Giới thiệu bạn bè';
case TransactionType.earnedPromotion:
return 'Khuyến mãi';
case TransactionType.earnedBonus:
return 'Thưởng';
case TransactionType.redeemedReward:
return 'Đổi quà';
case TransactionType.redeemedDiscount:
return 'Đổi giảm giá';
case TransactionType.adjustment:
return 'Điều chỉnh';
case TransactionType.expired:
return 'Hết hạn';
}
}
}

517
lib/core/database/models/enums.g.dart Normal file
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// GENERATED CODE - DO NOT MODIFY BY HAND
part of 'enums.dart';
// **************************************************************************
// TypeAdapterGenerator
// **************************************************************************
class MemberTierAdapter extends TypeAdapter<MemberTier> {
@override
final typeId = 20;
@override
MemberTier read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return MemberTier.gold;
case 1:
return MemberTier.platinum;
case 2:
return MemberTier.diamond;
default:
return MemberTier.gold;
}
}
@override
void write(BinaryWriter writer, MemberTier obj) {
switch (obj) {
case MemberTier.gold:
writer.writeByte(0);
case MemberTier.platinum:
writer.writeByte(1);
case MemberTier.diamond:
writer.writeByte(2);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is MemberTierAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class UserTypeAdapter extends TypeAdapter<UserType> {
@override
final typeId = 21;
@override
UserType read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return UserType.contractor;
case 1:
return UserType.architect;
case 2:
return UserType.distributor;
case 3:
return UserType.broker;
default:
return UserType.contractor;
}
}
@override
void write(BinaryWriter writer, UserType obj) {
switch (obj) {
case UserType.contractor:
writer.writeByte(0);
case UserType.architect:
writer.writeByte(1);
case UserType.distributor:
writer.writeByte(2);
case UserType.broker:
writer.writeByte(3);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is UserTypeAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class OrderStatusAdapter extends TypeAdapter<OrderStatus> {
@override
final typeId = 22;
@override
OrderStatus read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return OrderStatus.pending;
case 1:
return OrderStatus.processing;
case 2:
return OrderStatus.shipping;
case 3:
return OrderStatus.completed;
case 4:
return OrderStatus.cancelled;
case 5:
return OrderStatus.refunded;
default:
return OrderStatus.pending;
}
}
@override
void write(BinaryWriter writer, OrderStatus obj) {
switch (obj) {
case OrderStatus.pending:
writer.writeByte(0);
case OrderStatus.processing:
writer.writeByte(1);
case OrderStatus.shipping:
writer.writeByte(2);
case OrderStatus.completed:
writer.writeByte(3);
case OrderStatus.cancelled:
writer.writeByte(4);
case OrderStatus.refunded:
writer.writeByte(5);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is OrderStatusAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class ProjectStatusAdapter extends TypeAdapter<ProjectStatus> {
@override
final typeId = 23;
@override
ProjectStatus read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return ProjectStatus.planning;
case 1:
return ProjectStatus.inProgress;
case 2:
return ProjectStatus.onHold;
case 3:
return ProjectStatus.completed;
case 4:
return ProjectStatus.cancelled;
default:
return ProjectStatus.planning;
}
}
@override
void write(BinaryWriter writer, ProjectStatus obj) {
switch (obj) {
case ProjectStatus.planning:
writer.writeByte(0);
case ProjectStatus.inProgress:
writer.writeByte(1);
case ProjectStatus.onHold:
writer.writeByte(2);
case ProjectStatus.completed:
writer.writeByte(3);
case ProjectStatus.cancelled:
writer.writeByte(4);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is ProjectStatusAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class ProjectTypeAdapter extends TypeAdapter<ProjectType> {
@override
final typeId = 24;
@override
ProjectType read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return ProjectType.residential;
case 1:
return ProjectType.commercial;
case 2:
return ProjectType.industrial;
case 3:
return ProjectType.infrastructure;
case 4:
return ProjectType.renovation;
default:
return ProjectType.residential;
}
}
@override
void write(BinaryWriter writer, ProjectType obj) {
switch (obj) {
case ProjectType.residential:
writer.writeByte(0);
case ProjectType.commercial:
writer.writeByte(1);
case ProjectType.industrial:
writer.writeByte(2);
case ProjectType.infrastructure:
writer.writeByte(3);
case ProjectType.renovation:
writer.writeByte(4);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is ProjectTypeAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class TransactionTypeAdapter extends TypeAdapter<TransactionType> {
@override
final typeId = 25;
@override
TransactionType read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return TransactionType.earnedPurchase;
case 1:
return TransactionType.earnedReferral;
case 2:
return TransactionType.earnedPromotion;
case 3:
return TransactionType.earnedBonus;
case 4:
return TransactionType.redeemedReward;
case 5:
return TransactionType.redeemedDiscount;
case 6:
return TransactionType.adjustment;
case 7:
return TransactionType.expired;
default:
return TransactionType.earnedPurchase;
}
}
@override
void write(BinaryWriter writer, TransactionType obj) {
switch (obj) {
case TransactionType.earnedPurchase:
writer.writeByte(0);
case TransactionType.earnedReferral:
writer.writeByte(1);
case TransactionType.earnedPromotion:
writer.writeByte(2);
case TransactionType.earnedBonus:
writer.writeByte(3);
case TransactionType.redeemedReward:
writer.writeByte(4);
case TransactionType.redeemedDiscount:
writer.writeByte(5);
case TransactionType.adjustment:
writer.writeByte(6);
case TransactionType.expired:
writer.writeByte(7);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is TransactionTypeAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class GiftStatusAdapter extends TypeAdapter<GiftStatus> {
@override
final typeId = 26;
@override
GiftStatus read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return GiftStatus.active;
case 1:
return GiftStatus.used;
case 2:
return GiftStatus.expired;
case 3:
return GiftStatus.reserved;
case 4:
return GiftStatus.cancelled;
default:
return GiftStatus.active;
}
}
@override
void write(BinaryWriter writer, GiftStatus obj) {
switch (obj) {
case GiftStatus.active:
writer.writeByte(0);
case GiftStatus.used:
writer.writeByte(1);
case GiftStatus.expired:
writer.writeByte(2);
case GiftStatus.reserved:
writer.writeByte(3);
case GiftStatus.cancelled:
writer.writeByte(4);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is GiftStatusAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class PaymentStatusAdapter extends TypeAdapter<PaymentStatus> {
@override
final typeId = 27;
@override
PaymentStatus read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return PaymentStatus.pending;
case 1:
return PaymentStatus.processing;
case 2:
return PaymentStatus.completed;
case 3:
return PaymentStatus.failed;
case 4:
return PaymentStatus.refunded;
case 5:
return PaymentStatus.cancelled;
default:
return PaymentStatus.pending;
}
}
@override
void write(BinaryWriter writer, PaymentStatus obj) {
switch (obj) {
case PaymentStatus.pending:
writer.writeByte(0);
case PaymentStatus.processing:
writer.writeByte(1);
case PaymentStatus.completed:
writer.writeByte(2);
case PaymentStatus.failed:
writer.writeByte(3);
case PaymentStatus.refunded:
writer.writeByte(4);
case PaymentStatus.cancelled:
writer.writeByte(5);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is PaymentStatusAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class NotificationTypeAdapter extends TypeAdapter<NotificationType> {
@override
final typeId = 28;
@override
NotificationType read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return NotificationType.order;
case 1:
return NotificationType.promotion;
case 2:
return NotificationType.system;
case 3:
return NotificationType.loyalty;
case 4:
return NotificationType.project;
case 5:
return NotificationType.payment;
case 6:
return NotificationType.message;
default:
return NotificationType.order;
}
}
@override
void write(BinaryWriter writer, NotificationType obj) {
switch (obj) {
case NotificationType.order:
writer.writeByte(0);
case NotificationType.promotion:
writer.writeByte(1);
case NotificationType.system:
writer.writeByte(2);
case NotificationType.loyalty:
writer.writeByte(3);
case NotificationType.project:
writer.writeByte(4);
case NotificationType.payment:
writer.writeByte(5);
case NotificationType.message:
writer.writeByte(6);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is NotificationTypeAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}
class PaymentMethodAdapter extends TypeAdapter<PaymentMethod> {
@override
final typeId = 29;
@override
PaymentMethod read(BinaryReader reader) {
switch (reader.readByte()) {
case 0:
return PaymentMethod.cashOnDelivery;
case 1:
return PaymentMethod.bankTransfer;
case 2:
return PaymentMethod.card;
case 3:
return PaymentMethod.eWallet;
case 4:
return PaymentMethod.qrCode;
case 5:
return PaymentMethod.payLater;
default:
return PaymentMethod.cashOnDelivery;
}
}
@override
void write(BinaryWriter writer, PaymentMethod obj) {
switch (obj) {
case PaymentMethod.cashOnDelivery:
writer.writeByte(0);
case PaymentMethod.bankTransfer:
writer.writeByte(1);
case PaymentMethod.card:
writer.writeByte(2);
case PaymentMethod.eWallet:
writer.writeByte(3);
case PaymentMethod.qrCode:
writer.writeByte(4);
case PaymentMethod.payLater:
writer.writeByte(5);
}
}
@override
int get hashCode => typeId.hashCode;
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is PaymentMethodAdapter &&
runtimeType == other.runtimeType &&
typeId == other.typeId;
}

351
lib/core/errors/exceptions.dart Normal file
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/// Custom exceptions for the Worker app
///
/// This file defines all custom exception types used throughout the application
/// for better error handling and user feedback.
library;
// ============================================================================
// Network Exceptions
// ============================================================================
/// Base exception for all network-related errors
class NetworkException implements Exception {
const NetworkException(
this.message, {
this.statusCode,
this.data,
});
final String message;
final int? statusCode;
final dynamic data;
@override
String toString() => 'NetworkException: $message${statusCode != null ? ' (Status: $statusCode)' : ''}';
}
/// Exception thrown when there's no internet connection
class NoInternetException extends NetworkException {
const NoInternetException()
: super(
'Không có kết nối internet. Vui lòng kiểm tra kết nối của bạn.',
);
}
/// Exception thrown when connection times out
class TimeoutException extends NetworkException {
const TimeoutException()
: super(
'Kết nối quá lâu. Vui lòng thử lại.',
statusCode: 408,
);
}
/// Exception thrown when server returns 500+ errors
class ServerException extends NetworkException {
const ServerException([
String message = 'Lỗi máy chủ. Vui lòng thử lại sau.',
int? statusCode,
]) : super(message, statusCode: statusCode);
}
/// Exception thrown when server is unreachable
class ServiceUnavailableException extends ServerException {
const ServiceUnavailableException()
: super(
'Dịch vụ tạm thời không khả dụng. Vui lòng thử lại sau.',
503,
);
}
// ============================================================================
// Authentication Exceptions
// ============================================================================
/// Base exception for authentication-related errors
class AuthException implements Exception {
const AuthException(
this.message, {
this.statusCode,
});
final String message;
final int? statusCode;
@override
String toString() => 'AuthException: $message';
}
/// Exception thrown when authentication credentials are invalid
class InvalidCredentialsException extends AuthException {
const InvalidCredentialsException()
: super(
'Thông tin đăng nhập không hợp lệ.',
statusCode: 401,
);
}
/// Exception thrown when user is not authenticated
class UnauthorizedException extends AuthException {
const UnauthorizedException([
super.message = 'Phiên đăng nhập hết hạn. Vui lòng đăng nhập lại.',
]) : super(statusCode: 401);
}
/// Exception thrown when user doesn't have permission
class ForbiddenException extends AuthException {
const ForbiddenException()
: super(
'Bạn không có quyền truy cập tài nguyên này.',
statusCode: 403,
);
}
/// Exception thrown when auth token is expired
class TokenExpiredException extends AuthException {
const TokenExpiredException()
: super(
'Phiên đăng nhập hết hạn. Vui lòng đăng nhập lại.',
statusCode: 401,
);
}
/// Exception thrown when refresh token is invalid
class InvalidRefreshTokenException extends AuthException {
const InvalidRefreshTokenException()
: super(
'Không thể làm mới phiên đăng nhập. Vui lòng đăng nhập lại.',
statusCode: 401,
);
}
/// Exception thrown when OTP is invalid
class InvalidOTPException extends AuthException {
const InvalidOTPException()
: super(
'Mã OTP không hợp lệ. Vui lòng thử lại.',
statusCode: 400,
);
}
/// Exception thrown when OTP is expired
class OTPExpiredException extends AuthException {
const OTPExpiredException()
: super(
'Mã OTP đã hết hạn. Vui lòng yêu cầu mã mới.',
statusCode: 400,
);
}
// ============================================================================
// Request Validation Exceptions
// ============================================================================
/// Exception thrown when request data is invalid
class ValidationException implements Exception {
const ValidationException(
this.message, {
this.errors,
});
final String message;
final Map<String, List<String>>? errors;
@override
String toString() {
if (errors != null && errors!.isNotEmpty) {
final errorMessages = errors!.entries
.map((e) => '${e.key}: ${e.value.join(", ")}')
.join('; ');
return 'ValidationException: $message - $errorMessages';
}
return 'ValidationException: $message';
}
}
/// Exception thrown when request parameters are invalid
class BadRequestException extends ValidationException {
const BadRequestException([
String message = 'Yêu cầu không hợp lệ.',
Map<String, List<String>>? errors,
]) : super(message, errors: errors);
}
// ============================================================================
// Resource Exceptions
// ============================================================================
/// Exception thrown when requested resource is not found
class NotFoundException implements Exception {
const NotFoundException([
this.message = 'Không tìm thấy tài nguyên.',
this.resourceType,
this.resourceId,
]);
final String message;
final String? resourceType;
final String? resourceId;
@override
String toString() {
if (resourceType != null && resourceId != null) {
return 'NotFoundException: $resourceType with ID $resourceId not found';
}
return 'NotFoundException: $message';
}
}
/// Exception thrown when trying to create a duplicate resource
class ConflictException implements Exception {
const ConflictException([
this.message = 'Tài nguyên đã tồn tại.',
]);
final String message;
@override
String toString() => 'ConflictException: $message';
}
// ============================================================================
// Rate Limiting Exceptions
// ============================================================================
/// Exception thrown when API rate limit is exceeded
class RateLimitException implements Exception {
const RateLimitException([
this.message = 'Bạn đã gửi quá nhiều yêu cầu. Vui lòng thử lại sau.',
this.retryAfter,
]);
final String message;
final int? retryAfter; // seconds
@override
String toString() {
if (retryAfter != null) {
return 'RateLimitException: $message (Retry after: ${retryAfter}s)';
}
return 'RateLimitException: $message';
}
}
// ============================================================================
// Payment Exceptions
// ============================================================================
/// Exception thrown for payment-related errors
class PaymentException implements Exception {
const PaymentException(
this.message, {
this.transactionId,
});
final String message;
final String? transactionId;
@override
String toString() => 'PaymentException: $message';
}
/// Exception thrown when payment fails
class PaymentFailedException extends PaymentException {
const PaymentFailedException([
String message = 'Thanh toán thất bại. Vui lòng thử lại.',
String? transactionId,
]) : super(message, transactionId: transactionId);
}
/// Exception thrown when payment is cancelled
class PaymentCancelledException extends PaymentException {
const PaymentCancelledException()
: super('Thanh toán đã bị hủy.');
}
// ============================================================================
// Cache Exceptions
// ============================================================================
/// Exception thrown for cache-related errors
class CacheException implements Exception {
const CacheException([
this.message = 'Lỗi khi truy cập bộ nhớ đệm.',
]);
final String message;
@override
String toString() => 'CacheException: $message';
}
/// Exception thrown when cache data is corrupted
class CacheCorruptedException extends CacheException {
const CacheCorruptedException()
: super('Dữ liệu bộ nhớ đệm bị hỏng.');
}
// ============================================================================
// Storage Exceptions
// ============================================================================
/// Exception thrown for local storage errors
class StorageException implements Exception {
const StorageException([
this.message = 'Lỗi khi truy cập bộ nhớ cục bộ.',
]);
final String message;
@override
String toString() => 'StorageException: $message';
}
/// Exception thrown when storage is full
class StorageFullException extends StorageException {
const StorageFullException()
: super('Bộ nhớ đã đầy. Vui lòng giải phóng không gian.');
}
// ============================================================================
// Parse Exceptions
// ============================================================================
/// Exception thrown when JSON parsing fails
class ParseException implements Exception {
const ParseException([
this.message = 'Lỗi khi phân tích dữ liệu.',
this.source,
]);
final String message;
final dynamic source;
@override
String toString() => 'ParseException: $message';
}
// ============================================================================
// Unknown Exceptions
// ============================================================================
/// Exception thrown for unexpected errors
class UnknownException implements Exception {
const UnknownException([
this.message = 'Đã xảy ra lỗi không xác định.',
this.originalError,
this.stackTrace,
]);
final String message;
final dynamic originalError;
final StackTrace? stackTrace;
@override
String toString() {
if (originalError != null) {
return 'UnknownException: $message (Original: $originalError)';
}
return 'UnknownException: $message';
}
}

262
lib/core/errors/failures.dart Normal file
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/// Failure classes for error handling in the Worker app
///
/// Failures represent domain-level errors that can be returned from use cases
/// and repositories. They wrap exceptions and provide user-friendly error messages.
library;
/// Base failure class
sealed class Failure {
const Failure({required this.message});
/// Network-related failure
const factory Failure.network({
required String message,
int? statusCode,
}) = NetworkFailure;
/// Server error failure (5xx errors)
const factory Failure.server({
required String message,
int? statusCode,
}) = ServerFailure;
/// Authentication failure
const factory Failure.authentication({
required String message,
int? statusCode,
}) = AuthenticationFailure;
/// Validation failure
const factory Failure.validation({
required String message,
Map<String, List<String>>? errors,
}) = ValidationFailure;
/// Not found failure (404)
const factory Failure.notFound({
required String message,
}) = NotFoundFailure;
/// Conflict failure (409)
const factory Failure.conflict({
required String message,
}) = ConflictFailure;
/// Rate limit exceeded failure (429)
const factory Failure.rateLimit({
required String message,
int? retryAfter,
}) = RateLimitFailure;
/// Payment failure
const factory Failure.payment({
required String message,
String? transactionId,
}) = PaymentFailure;
/// Cache failure
const factory Failure.cache({
required String message,
}) = CacheFailure;
/// Storage failure
const factory Failure.storage({
required String message,
}) = StorageFailure;
/// Parse failure
const factory Failure.parse({
required String message,
}) = ParseFailure;
/// No internet connection failure
const factory Failure.noInternet() = NoInternetFailure;
/// Timeout failure
const factory Failure.timeout() = TimeoutFailure;
/// Unknown failure
const factory Failure.unknown({
required String message,
}) = UnknownFailure;
final String message;
/// Check if this is a critical failure that requires immediate attention
bool get isCritical {
return switch (this) {
ServerFailure() => true,
AuthenticationFailure() => true,
PaymentFailure() => true,
UnknownFailure() => true,
_ => false,
};
}
/// Check if this failure can be retried
bool get canRetry {
return switch (this) {
NetworkFailure() => true,
ServerFailure(:final statusCode) => statusCode == 503,
AuthenticationFailure(:final statusCode) => statusCode == 401,
RateLimitFailure() => true,
CacheFailure() => true,
NoInternetFailure() => true,
TimeoutFailure() => true,
_ => false,
};
}
/// Get HTTP status code if available
int? get statusCode {
return switch (this) {
NetworkFailure(:final statusCode) => statusCode,
ServerFailure(:final statusCode) => statusCode,
AuthenticationFailure(:final statusCode) => statusCode,
_ => null,
};
}
/// Get user-friendly error message
String getUserMessage() {
return switch (this) {
ValidationFailure(:final message, :final errors) => _formatValidationMessage(message, errors),
RateLimitFailure(:final message, :final retryAfter) => _formatRateLimitMessage(message, retryAfter),
NoInternetFailure() => 'Không có kết nối internet. Vui lòng kiểm tra kết nối của bạn.',
TimeoutFailure() => 'Kết nối quá lâu. Vui lòng thử lại.',
_ => message,
};
}
String _formatValidationMessage(String message, Map<String, List<String>>? errors) {
if (errors != null && errors.isNotEmpty) {
final firstError = errors.values.first.first;
return '$message: $firstError';
}
return message;
}
String _formatRateLimitMessage(String message, int? retryAfter) {
if (retryAfter != null) {
return '$message Thử lại sau $retryAfter giây.';
}
return message;
}
}
/// Network-related failure
final class NetworkFailure extends Failure {
const NetworkFailure({
required super.message,
this.statusCode,
});
@override
final int? statusCode;
}
/// Server error failure (5xx errors)
final class ServerFailure extends Failure {
const ServerFailure({
required super.message,
this.statusCode,
});
@override
final int? statusCode;
}
/// Authentication failure
final class AuthenticationFailure extends Failure {
const AuthenticationFailure({
required super.message,
this.statusCode,
});
@override
final int? statusCode;
}
/// Validation failure
final class ValidationFailure extends Failure {
const ValidationFailure({
required super.message,
this.errors,
});
final Map<String, List<String>>? errors;
}
/// Not found failure (404)
final class NotFoundFailure extends Failure {
const NotFoundFailure({
required super.message,
});
}
/// Conflict failure (409)
final class ConflictFailure extends Failure {
const ConflictFailure({
required super.message,
});
}
/// Rate limit exceeded failure (429)
final class RateLimitFailure extends Failure {
const RateLimitFailure({
required super.message,
this.retryAfter,
});
final int? retryAfter;
}
/// Payment failure
final class PaymentFailure extends Failure {
const PaymentFailure({
required super.message,
this.transactionId,
});
final String? transactionId;
}
/// Cache failure
final class CacheFailure extends Failure {
const CacheFailure({
required super.message,
});
}
/// Storage failure
final class StorageFailure extends Failure {
const StorageFailure({
required super.message,
});
}
/// Parse failure
final class ParseFailure extends Failure {
const ParseFailure({
required super.message,
});
}
/// No internet connection failure
final class NoInternetFailure extends Failure {
const NoInternetFailure()
: super(message: 'Không có kết nối internet');
}
/// Timeout failure
final class TimeoutFailure extends Failure {
const TimeoutFailure()
: super(message: 'Kết nối quá lâu');
}
/// Unknown failure
final class UnknownFailure extends Failure {
const UnknownFailure({
required super.message,
});
}

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# API Integration Infrastructure - Worker App
## Overview
Comprehensive HTTP client infrastructure built with **Dio** and **Riverpod 3.0** for the Worker Flutter application. This setup provides robust API integration with authentication, caching, retry logic, error handling, and offline support.
## Architecture
```
lib/core/network/
├── dio_client.dart # Main HTTP client with Riverpod providers
├── api_interceptor.dart # Authentication, logging, and error interceptors
├── network_info.dart # Network connectivity monitoring
├── api_constants.dart # API endpoints and configuration
├── exceptions.dart # Custom exception definitions
└── failures.dart # Domain-level failure types
```
## Key Features
### 1. Dio HTTP Client (`dio_client.dart`)
**DioClient Class**
- Wrapper around Dio with full method support (GET, POST, PUT, PATCH, DELETE)
- File upload with multipart/form-data
- File download with progress tracking
- Cache management utilities
**Riverpod Providers**
- `dioProvider` - Configured Dio instance with all interceptors
- `dioClientProvider` - DioClient wrapper instance
- `cacheStoreProvider` - Hive-based cache storage
- `cacheOptionsProvider` - Cache configuration
**Configuration**
- Base URL: Configurable per environment (dev/staging/prod)
- Timeouts: 30s connection, 30s receive, 30s send
- Headers: JSON content-type, Vietnamese language by default
- Cache: 7-day max-stale, no caching on auth errors (401, 403)
### 2. Interceptors (`api_interceptor.dart`)
#### AuthInterceptor
- **Token Injection**: Automatically adds Bearer token to requests
- **Token Refresh**: Handles 401 errors with automatic token refresh
- **Public Endpoints**: Skips auth for login/OTP/register endpoints
- **Language Header**: Adds Vietnamese language preference
- **Storage**: Uses SharedPreferences for token persistence
#### LoggingInterceptor
- **Request Logging**: Method, URL, headers, body, query parameters
- **Response Logging**: Status code, response data (truncated)
- **Error Logging**: Error type, status code, error data
- **Security**: Sanitizes sensitive fields (password, OTP, tokens)
- **Format**: Beautiful formatted logs with separators
#### ErrorTransformerInterceptor
- **Dio Error Mapping**: Transforms DioException to custom exceptions
- **Status Code Handling**:
- 400 → ValidationException/BadRequestException
- 401 → UnauthorizedException/TokenExpiredException/InvalidOTPException
- 403 → ForbiddenException
- 404 → NotFoundException
- 409 → ConflictException
- 422 → ValidationException with field errors
- 429 → RateLimitException with retry-after
- 5xx → ServerException/ServiceUnavailableException
- **Connection Errors**: Timeout, NoInternet, etc.
#### RetryInterceptor
- **Exponential Backoff**: Configurable delay multiplier
- **Max Retries**: 3 attempts by default
- **Retry Conditions**:
- Connection timeout/errors
- 5xx server errors (except 501)
- 408 Request Timeout
- 429 Too Many Requests
- **Network Check**: Verifies connectivity before retrying
### 3. Network Monitoring (`network_info.dart`)
**NetworkInfo Interface**
- Connection status checking
- Connection type detection (WiFi, Mobile, Ethernet, etc.)
- Real-time connectivity monitoring via Stream
**NetworkStatus Class**
- Connection state (connected/disconnected)
- Connection type
- Timestamp
- Convenience methods (isWiFi, isMobile, isMetered)
**Riverpod Providers**
- `networkInfoProvider` - NetworkInfo implementation
- `isConnectedProvider` - Current connection status
- `connectionTypeProvider` - Current connection type
- `networkStatusStreamProvider` - Stream of status changes
- `NetworkStatusNotifier` - Reactive network status state
### 4. Error Handling
**Exceptions (`exceptions.dart`)**
- NetworkException - Base network error
- NoInternetException - No connectivity
- TimeoutException - Connection timeout
- ServerException - 5xx errors
- ServiceUnavailableException - 503 errors
- AuthException - Authentication errors (401, 403)
- ValidationException - Request validation errors
- NotFoundException - 404 errors
- ConflictException - 409 errors
- RateLimitException - 429 errors
- PaymentException - Payment-related errors
- CacheException - Cache errors
- StorageException - Local storage errors
- ParseException - JSON parsing errors
**Failures (`failures.dart`)**
- Immutable Freezed classes for domain-level errors
- User-friendly Vietnamese error messages
- Properties:
- `message` - Display message
- `isCritical` - Requires immediate attention
- `canRetry` - Can be retried
- `statusCode` - HTTP status if available
### 5. API Constants (`api_constants.dart`)
**Configuration**
- Base URLs (dev, staging, production)
- API version prefix (/v1)
- Timeout durations (30s)
- Retry configuration (3 attempts, exponential backoff)
- Cache durations (24h products, 1h profile, 48h categories)
- Request headers (JSON, Vietnamese language)
**Endpoints**
- Authentication: /auth/request-otp, /auth/verify-otp, /auth/register, etc.
- Loyalty: /loyalty/points, /loyalty/rewards, /loyalty/referral, etc.
- Products: /products, /products/search, /categories, etc.
- Orders: /orders, /payments, etc.
- Projects & Quotes: /projects, /quotes, etc.
- Chat: /chat/messages, /ws/chat (WebSocket)
- Account: /profile, /addresses, etc.
- Promotions & Notifications
## Usage Examples
### Basic GET Request
```dart
// Using DioClient with Riverpod
final dioClient = ref.watch(dioClientProvider);
try {
final response = await dioClient.get(
ApiConstants.getProducts,
queryParameters: {'page': '1', 'limit': '20'},
);
final products = response.data;
} on NoInternetException catch (e) {
// Handle no internet
} on ServerException catch (e) {
// Handle server error
}
```
### POST Request with Authentication
```dart
final dioClient = ref.watch(dioClientProvider);
try {
final response = await dioClient.post(
ApiConstants.createOrder,
data: {
'items': [...],
'deliveryAddress': {...},
'paymentMethod': 'COD',
},
);
final order = Order.fromJson(response.data);
} on ValidationException catch (e) {
// Handle validation errors
print(e.errors); // Map<String, List<String>>
}
```
### File Upload
```dart
final dioClient = ref.watch(dioClientProvider);
final formData = FormData.fromMap({
'name': 'John Doe',
'avatar': await MultipartFile.fromFile(
filePath,
filename: 'avatar.jpg',
),
});
try {
final response = await dioClient.uploadFile(
ApiConstants.uploadAvatar,
formData: formData,
onSendProgress: (sent, total) {
print('Upload progress: ${(sent / total * 100).toStringAsFixed(0)}%');
},
);
} catch (e) {
// Handle error
}
```
### Network Status Monitoring
```dart
// Check current connection status
final isConnected = await ref.watch(isConnectedProvider.future);
if (!isConnected) {
// Show offline message
}
// Listen to connection changes
ref.listen(
networkStatusStreamProvider,
(previous, next) {
next.whenData((status) {
if (status.isConnected) {
// Back online - sync data
} else {
// Offline - show message
}
});
},
);
```
### Cache Management
```dart
final dioClient = ref.watch(dioClientProvider);
// Clear all cache
await dioClient.clearCache();
// Clear specific endpoint cache
await dioClient.clearCacheByPath(ApiConstants.getProducts);
// Force refresh from network
final response = await dioClient.get(
ApiConstants.getProducts,
options: ApiRequestOptions.forceNetwork.toDioOptions(),
);
// Use cache-first strategy
final response = await dioClient.get(
ApiConstants.getCategories,
options: ApiRequestOptions.cached.toDioOptions(),
);
```
### Custom Error Handling
```dart
try {
final response = await dioClient.post(...);
} on ValidationException catch (e) {
// Show field-specific errors
e.errors?.forEach((field, messages) {
print('$field: ${messages.join(", ")}');
});
} on RateLimitException catch (e) {
// Show rate limit message
if (e.retryAfter != null) {
print('Try again in ${e.retryAfter} seconds');
}
} on TokenExpiredException catch (e) {
// Token refresh failed - redirect to login
ref.read(authProvider.notifier).logout();
} catch (e) {
// Generic error
print('Error: $e');
}
```
## Dependencies
```yaml
dependencies:
dio: ^5.4.3+1 # HTTP client
connectivity_plus: ^6.0.3 # Network monitoring
pretty_dio_logger: ^1.3.1 # Request/response logging
dio_cache_interceptor: ^3.5.0 # Response caching
dio_cache_interceptor_hive_store: ^3.2.2 # Hive storage for cache
flutter_riverpod: ^3.0.0 # State management
riverpod_annotation: ^3.0.0 # Code generation
shared_preferences: ^2.2.3 # Token storage
path_provider: ^2.1.3 # Cache directory
freezed_annotation: ^3.0.0 # Immutable models
```
## Configuration
### Environment-Specific Base URLs
Update `ApiConstants.baseUrl` based on build flavor:
```dart
// For dev environment
static const String baseUrl = devBaseUrl;
// For production
static const String baseUrl = prodBaseUrl;
```
### Timeout Configuration
Adjust timeouts in `ApiConstants`:
```dart
static const Duration connectionTimeout = Duration(milliseconds: 30000);
static const Duration receiveTimeout = Duration(milliseconds: 30000);
static const Duration sendTimeout = Duration(milliseconds: 30000);
```
### Retry Configuration
Customize retry behavior in `ApiConstants`:
```dart
static const int maxRetryAttempts = 3;
static const Duration initialRetryDelay = Duration(milliseconds: 1000);
static const Duration maxRetryDelay = Duration(milliseconds: 5000);
static const double retryDelayMultiplier = 2.0;
```
### Cache Configuration
Adjust cache settings in `cacheOptionsProvider`:
```dart
CacheOptions(
store: store,
maxStale: const Duration(days: 7),
hitCacheOnErrorExcept: [401, 403],
priority: CachePriority.high,
allowPostMethod: false,
);
```
## Testing
### Connection Testing
```dart
// Test network connectivity
final networkInfo = ref.watch(networkInfoProvider);
final isConnected = await networkInfo.isConnected;
final connectionType = await networkInfo.connectionType;
print('Connected: $isConnected');
print('Type: ${connectionType.displayNameVi}');
```
### API Endpoint Testing
```dart
// Test authentication endpoint
try {
final response = await dioClient.post(
ApiConstants.requestOtp,
data: {'phone': '+84912345678'},
);
print('OTP sent successfully');
} catch (e) {
print('Failed: $e');
}
```
## Best Practices
1. **Always use DioClient**: Don't create raw Dio instances
2. **Handle specific exceptions**: Catch specific error types for better UX
3. **Check connectivity**: Verify network status before critical requests
4. **Use cache strategically**: Cache static data (categories, products)
5. **Monitor network changes**: Listen to connectivity stream for sync
6. **Clear cache appropriately**: Clear on logout, version updates
7. **Log in debug only**: Disable logging in production
8. **Sanitize sensitive data**: Never log passwords, tokens, OTP codes
9. **Use retry wisely**: Don't retry POST/PUT/DELETE by default
10. **Validate responses**: Check response.data structure before parsing
## Future Enhancements
- [ ] Offline request queue implementation
- [ ] Request deduplication
- [ ] GraphQL support
- [ ] WebSocket integration for real-time chat
- [ ] Certificate pinning for security
- [ ] Request compression (gzip)
- [ ] Multi-part upload progress
- [ ] Background sync when network restored
- [ ] Advanced caching strategies (stale-while-revalidate)
- [ ] Request cancellation tokens
## Troubleshooting
### Issue: Token Refresh Loop
**Solution**: Check refresh token expiry and clear auth data if expired
### Issue: Cache Not Working
**Solution**: Verify CacheStore initialization and directory permissions
### Issue: Network Detection Fails
**Solution**: Add required permissions to AndroidManifest.xml and Info.plist
### Issue: Timeout on Large Files
**Solution**: Increase timeout or use download with progress callback
### Issue: Interceptor Order Matters
**Current Order**:
1. Logging (first - logs everything)
2. Auth (adds tokens)
3. Cache (caches responses)
4. Retry (retries failures)
5. Error Transformer (last - transforms errors)
## Support
For issues or questions about the API integration:
- Check logs for detailed error information
- Verify network connectivity using NetworkInfo
- Review interceptor configuration
- Check API endpoint constants
---
**Generated for Worker App**
Version: 1.0.0
Last Updated: 2025-10-17

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/// API interceptors for request/response handling
///
/// Provides interceptors for:
/// - Authentication token injection
/// - Request/response logging
/// - Error transformation
/// - Token refresh handling
library;
import 'dart:developer' as developer;
import 'package:dio/dio.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:worker/core/constants/api_constants.dart';
import 'package:worker/core/errors/exceptions.dart';
part 'api_interceptor.g.dart';
// ============================================================================
// Storage Keys
// ============================================================================
/// Keys for storing auth tokens in SharedPreferences
class AuthStorageKeys {
static const String accessToken = 'auth_access_token';
static const String refreshToken = 'auth_refresh_token';
static const String tokenExpiry = 'auth_token_expiry';
}
// ============================================================================
// Auth Interceptor
// ============================================================================
/// Interceptor for adding authentication tokens to requests
class AuthInterceptor extends Interceptor {
AuthInterceptor(this._prefs, this._dio);
final SharedPreferences _prefs;
final Dio _dio;
@override
void onRequest(
RequestOptions options,
RequestInterceptorHandler handler,
) async {
// Check if this endpoint requires authentication
if (_requiresAuth(options.path)) {
final token = await _getAccessToken();
if (token != null) {
// Add bearer token to headers
options.headers['Authorization'] = 'Bearer $token';
}
}
// Add language header
options.headers['Accept-Language'] = ApiConstants.acceptLanguageVi;
// Add content-type and accept headers if not already set
options.headers['Content-Type'] ??= ApiConstants.contentTypeJson;
options.headers['Accept'] ??= ApiConstants.acceptJson;
handler.next(options);
}
@override
void onError(
DioException err,
ErrorInterceptorHandler handler,
) async {
// Check if error is 401 Unauthorized
if (err.response?.statusCode == 401) {
// Try to refresh token
final refreshed = await _refreshAccessToken();
if (refreshed) {
// Retry the original request with new token
try {
final response = await _retry(err.requestOptions);
handler.resolve(response);
return;
} catch (e) {
// If retry fails, continue with error
}
}
}
handler.next(err);
}
/// Check if endpoint requires authentication
bool _requiresAuth(String path) {
// Public endpoints that don't require auth
final publicEndpoints = [
ApiConstants.requestOtp,
ApiConstants.verifyOtp,
ApiConstants.register,
];
return !publicEndpoints.any((endpoint) => path.contains(endpoint));
}
/// Get access token from storage
Future<String?> _getAccessToken() async {
return _prefs.getString(AuthStorageKeys.accessToken);
}
/// Get refresh token from storage
Future<String?> _getRefreshToken() async {
return _prefs.getString(AuthStorageKeys.refreshToken);
}
/// Check if token is expired
Future<bool> _isTokenExpired() async {
final expiryString = _prefs.getString(AuthStorageKeys.tokenExpiry);
if (expiryString == null) return true;
final expiry = DateTime.tryParse(expiryString);
if (expiry == null) return true;
return DateTime.now().isAfter(expiry);
}
/// Refresh access token using refresh token
Future<bool> _refreshAccessToken() async {
try {
final refreshToken = await _getRefreshToken();
if (refreshToken == null) {
return false;
}
// Call refresh token endpoint
final response = await _dio.post<Map<String, dynamic>>(
'${ApiConstants.apiBaseUrl}${ApiConstants.refreshToken}',
options: Options(
headers: {
'Authorization': 'Bearer $refreshToken',
},
),
);
if (response.statusCode == 200) {
final data = response.data as Map<String, dynamic>;
// Save new tokens
await _prefs.setString(
AuthStorageKeys.accessToken,
data['accessToken'] as String,
);
if (data.containsKey('refreshToken')) {
await _prefs.setString(
AuthStorageKeys.refreshToken,
data['refreshToken'] as String,
);
}
if (data.containsKey('expiresAt')) {
await _prefs.setString(
AuthStorageKeys.tokenExpiry,
data['expiresAt'] as String,
);
}
return true;
}
return false;
} catch (e) {
developer.log(
'Failed to refresh token',
name: 'AuthInterceptor',
error: e,
);
return false;
}
}
/// Retry failed request with new token
Future<Response<dynamic>> _retry(RequestOptions requestOptions) async {
final token = await _getAccessToken();
final options = Options(
method: requestOptions.method,
headers: {
...requestOptions.headers,
'Authorization': 'Bearer $token',
},
);
return _dio.request(
requestOptions.path,
data: requestOptions.data,
queryParameters: requestOptions.queryParameters,
options: options,
);
}
}
// ============================================================================
// Logging Interceptor
// ============================================================================
/// Interceptor for logging requests and responses in debug mode
class LoggingInterceptor extends Interceptor {
LoggingInterceptor({
this.enableRequestLogging = true,
this.enableResponseLogging = true,
this.enableErrorLogging = true,
});
final bool enableRequestLogging;
final bool enableResponseLogging;
final bool enableErrorLogging;
@override
void onRequest(
RequestOptions options,
RequestInterceptorHandler handler,
) {
if (enableRequestLogging) {
developer.log(
'╔══════════════════════════════════════════════════════════════',
name: 'HTTP Request',
);
developer.log(
'║ ${options.method} ${options.uri}',
name: 'HTTP Request',
);
developer.log(
'║ Headers: ${_sanitizeHeaders(options.headers)}',
name: 'HTTP Request',
);
if (options.data != null) {
developer.log(
'║ Body: ${_sanitizeBody(options.data)}',
name: 'HTTP Request',
);
}
if (options.queryParameters.isNotEmpty) {
developer.log(
'║ Query Parameters: ${options.queryParameters}',
name: 'HTTP Request',
);
}
developer.log(
'╚══════════════════════════════════════════════════════════════',
name: 'HTTP Request',
);
}
handler.next(options);
}
@override
void onResponse(
Response<dynamic> response,
ResponseInterceptorHandler handler,
) {
if (enableResponseLogging) {
developer.log(
'╔══════════════════════════════════════════════════════════════',
name: 'HTTP Response',
);
developer.log(
'║ ${response.requestOptions.method} ${response.requestOptions.uri}',
name: 'HTTP Response',
);
developer.log(
'║ Status Code: ${response.statusCode}',
name: 'HTTP Response',
);
developer.log(
'║ Data: ${_truncateData(response.data, 500)}',
name: 'HTTP Response',
);
developer.log(
'╚══════════════════════════════════════════════════════════════',
name: 'HTTP Response',
);
}
handler.next(response);
}
@override
void onError(
DioException err,
ErrorInterceptorHandler handler,
) {
if (enableErrorLogging) {
developer.log(
'╔══════════════════════════════════════════════════════════════',
name: 'HTTP Error',
);
developer.log(
'║ ${err.requestOptions.method} ${err.requestOptions.uri}',
name: 'HTTP Error',
);
developer.log(
'║ Error Type: ${err.type}',
name: 'HTTP Error',
);
developer.log(
'║ Status Code: ${err.response?.statusCode}',
name: 'HTTP Error',
);
developer.log(
'║ Message: ${err.message}',
name: 'HTTP Error',
);
if (err.response?.data != null) {
developer.log(
'║ Error Data: ${_truncateData(err.response?.data, 500)}',
name: 'HTTP Error',
);
}
developer.log(
'╚══════════════════════════════════════════════════════════════',
name: 'HTTP Error',
);
}
handler.next(err);
}
/// Sanitize headers by hiding sensitive information
Map<String, dynamic> _sanitizeHeaders(Map<String, dynamic> headers) {
final sanitized = Map<String, dynamic>.from(headers);
// Hide authorization token
if (sanitized.containsKey('Authorization')) {
sanitized['Authorization'] = '[HIDDEN]';
}
return sanitized;
}
/// Sanitize request body by hiding sensitive fields
dynamic _sanitizeBody(dynamic body) {
if (body is Map) {
final sanitized = Map<dynamic, dynamic>.from(body);
// List of sensitive field names
final sensitiveFields = [
'password',
'otp',
'token',
'accessToken',
'refreshToken',
'secret',
'apiKey',
];
for (final field in sensitiveFields) {
if (sanitized.containsKey(field)) {
sanitized[field] = '[HIDDEN]';
}
}
return sanitized;
}
return body;
}
/// Truncate data for logging to avoid huge logs
String _truncateData(dynamic data, int maxLength) {
final dataStr = data.toString();
if (dataStr.length <= maxLength) {
return dataStr;
}
return '${dataStr.substring(0, maxLength)}... [TRUNCATED]';
}
}
// ============================================================================
// Error Transformer Interceptor
// ============================================================================
/// Interceptor for transforming Dio errors into custom exceptions
class ErrorTransformerInterceptor extends Interceptor {
@override
void onError(
DioException err,
ErrorInterceptorHandler handler,
) {
Exception exception;
switch (err.type) {
case DioExceptionType.connectionTimeout:
case DioExceptionType.sendTimeout:
case DioExceptionType.receiveTimeout:
exception = const TimeoutException();
break;
case DioExceptionType.connectionError:
exception = const NoInternetException();
break;
case DioExceptionType.badResponse:
exception = _handleBadResponse(err.response);
break;
case DioExceptionType.cancel:
exception = NetworkException('Yêu cầu đã bị hủy');
break;
case DioExceptionType.unknown:
exception = NetworkException(
'Lỗi không xác định: ${err.message}',
);
break;
default:
exception = NetworkException(err.message ?? 'Unknown error');
}
handler.reject(
DioException(
requestOptions: err.requestOptions,
response: err.response,
type: err.type,
error: exception,
message: exception.toString(),
),
);
}
/// Handle bad response errors based on status code
Exception _handleBadResponse(Response<dynamic>? response) {
if (response == null) {
return const ServerException();
}
final statusCode = response.statusCode ?? 0;
final data = response.data;
// Extract error message from response
String? message;
if (data is Map<String, dynamic>) {
message = data['message'] as String? ??
data['error'] as String? ??
data['msg'] as String?;
}
switch (statusCode) {
case 400:
if (data is Map<String, dynamic> && data.containsKey('errors')) {
final errors = data['errors'] as Map<String, dynamic>?;
if (errors != null) {
final validationErrors = errors.map(
(key, value) => MapEntry(
key,
value is List
? value.cast<String>()
: [value.toString()],
),
);
return ValidationException(
message ?? 'Dữ liệu không hợp lệ',
errors: validationErrors,
);
}
}
return BadRequestException(message ?? 'Yêu cầu không hợp lệ');
case 401:
if (message?.toLowerCase().contains('token') ?? false) {
return const TokenExpiredException();
}
if (message?.toLowerCase().contains('otp') ?? false) {
return const InvalidOTPException();
}
return UnauthorizedException(message ?? 'Phiên đăng nhập hết hạn');
case 403:
return const ForbiddenException();
case 404:
return NotFoundException(message ?? 'Không tìm thấy tài nguyên');
case 409:
return ConflictException(message ?? 'Tài nguyên đã tồn tại');
case 422:
if (data is Map<String, dynamic> && data.containsKey('errors')) {
final errors = data['errors'] as Map<String, dynamic>?;
if (errors != null) {
final validationErrors = errors.map(
(key, value) => MapEntry(
key,
value is List
? value.cast<String>()
: [value.toString()],
),
);
return ValidationException(
message ?? 'Dữ liệu không hợp lệ',
errors: validationErrors,
);
}
}
return ValidationException(message ?? 'Dữ liệu không hợp lệ');
case 429:
final retryAfter = response.headers.value('retry-after');
final retrySeconds = retryAfter != null ? int.tryParse(retryAfter) : null;
return RateLimitException(message ?? 'Quá nhiều yêu cầu', retrySeconds);
case 500:
case 502:
case 503:
case 504:
if (statusCode == 503) {
return const ServiceUnavailableException();
}
return ServerException(message ?? 'Lỗi máy chủ', statusCode);
default:
return NetworkException(
message ?? 'Lỗi mạng không xác định',
statusCode: statusCode,
data: data,
);
}
}
}
// ============================================================================
// Riverpod Providers
// ============================================================================
/// Provider for SharedPreferences instance
@riverpod
Future<SharedPreferences> sharedPreferences(Ref ref) async {
return await SharedPreferences.getInstance();
}
/// Provider for AuthInterceptor
@riverpod
Future<AuthInterceptor> authInterceptor(Ref ref, Dio dio) async {
final prefs = await ref.watch(sharedPreferencesProvider.future);
return AuthInterceptor(prefs, dio);
}
/// Provider for LoggingInterceptor
@riverpod
LoggingInterceptor loggingInterceptor(Ref ref) {
// Only enable logging in debug mode
const bool isDebug = true; // TODO: Replace with kDebugMode from Flutter
return LoggingInterceptor(
enableRequestLogging: isDebug,
enableResponseLogging: isDebug,
enableErrorLogging: isDebug,
);
}
/// Provider for ErrorTransformerInterceptor
@riverpod
ErrorTransformerInterceptor errorTransformerInterceptor(Ref ref) {
return ErrorTransformerInterceptor();
}

246
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// GENERATED CODE - DO NOT MODIFY BY HAND
part of 'api_interceptor.dart';
// **************************************************************************
// RiverpodGenerator
// **************************************************************************
// GENERATED CODE - DO NOT MODIFY BY HAND
// ignore_for_file: type=lint, type=warning
/// Provider for SharedPreferences instance
@ProviderFor(sharedPreferences)
const sharedPreferencesProvider = SharedPreferencesProvider._();
/// Provider for SharedPreferences instance
final class SharedPreferencesProvider
extends
$FunctionalProvider<
AsyncValue<SharedPreferences>,
SharedPreferences,
FutureOr<SharedPreferences>
>
with
$FutureModifier<SharedPreferences>,
$FutureProvider<SharedPreferences> {
/// Provider for SharedPreferences instance
const SharedPreferencesProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'sharedPreferencesProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$sharedPreferencesHash();
@$internal
@override
$FutureProviderElement<SharedPreferences> $createElement(
$ProviderPointer pointer,
) => $FutureProviderElement(pointer);
@override
FutureOr<SharedPreferences> create(Ref ref) {
return sharedPreferences(ref);
}
}
String _$sharedPreferencesHash() => r'dc403fbb1d968c7d5ab4ae1721a29ffe173701c7';
/// Provider for AuthInterceptor
@ProviderFor(authInterceptor)
const authInterceptorProvider = AuthInterceptorFamily._();
/// Provider for AuthInterceptor
final class AuthInterceptorProvider
extends
$FunctionalProvider<
AsyncValue<AuthInterceptor>,
AuthInterceptor,
FutureOr<AuthInterceptor>
>
with $FutureModifier<AuthInterceptor>, $FutureProvider<AuthInterceptor> {
/// Provider for AuthInterceptor
const AuthInterceptorProvider._({
required AuthInterceptorFamily super.from,
required Dio super.argument,
}) : super(
retry: null,
name: r'authInterceptorProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$authInterceptorHash();
@override
String toString() {
return r'authInterceptorProvider'
''
'($argument)';
}
@$internal
@override
$FutureProviderElement<AuthInterceptor> $createElement(
$ProviderPointer pointer,
) => $FutureProviderElement(pointer);
@override
FutureOr<AuthInterceptor> create(Ref ref) {
final argument = this.argument as Dio;
return authInterceptor(ref, argument);
}
@override
bool operator ==(Object other) {
return other is AuthInterceptorProvider && other.argument == argument;
}
@override
int get hashCode {
return argument.hashCode;
}
}
String _$authInterceptorHash() => r'b54ba9af62c3cd7b922ef4030a8e2debb0220e10';
/// Provider for AuthInterceptor
final class AuthInterceptorFamily extends $Family
with $FunctionalFamilyOverride<FutureOr<AuthInterceptor>, Dio> {
const AuthInterceptorFamily._()
: super(
retry: null,
name: r'authInterceptorProvider',
dependencies: null,
$allTransitiveDependencies: null,
isAutoDispose: true,
);
/// Provider for AuthInterceptor
AuthInterceptorProvider call(Dio dio) =>
AuthInterceptorProvider._(argument: dio, from: this);
@override
String toString() => r'authInterceptorProvider';
}
/// Provider for LoggingInterceptor
@ProviderFor(loggingInterceptor)
const loggingInterceptorProvider = LoggingInterceptorProvider._();
/// Provider for LoggingInterceptor
final class LoggingInterceptorProvider
extends
$FunctionalProvider<
LoggingInterceptor,
LoggingInterceptor,
LoggingInterceptor
>
with $Provider<LoggingInterceptor> {
/// Provider for LoggingInterceptor
const LoggingInterceptorProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'loggingInterceptorProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$loggingInterceptorHash();
@$internal
@override
$ProviderElement<LoggingInterceptor> $createElement(
$ProviderPointer pointer,
) => $ProviderElement(pointer);
@override
LoggingInterceptor create(Ref ref) {
return loggingInterceptor(ref);
}
/// {@macro riverpod.override_with_value}
Override overrideWithValue(LoggingInterceptor value) {
return $ProviderOverride(
origin: this,
providerOverride: $SyncValueProvider<LoggingInterceptor>(value),
);
}
}
String _$loggingInterceptorHash() =>
r'f3dedaeb3152d5188544232f6f270bb6908c2827';
/// Provider for ErrorTransformerInterceptor
@ProviderFor(errorTransformerInterceptor)
const errorTransformerInterceptorProvider =
ErrorTransformerInterceptorProvider._();
/// Provider for ErrorTransformerInterceptor
final class ErrorTransformerInterceptorProvider
extends
$FunctionalProvider<
ErrorTransformerInterceptor,
ErrorTransformerInterceptor,
ErrorTransformerInterceptor
>
with $Provider<ErrorTransformerInterceptor> {
/// Provider for ErrorTransformerInterceptor
const ErrorTransformerInterceptorProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'errorTransformerInterceptorProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$errorTransformerInterceptorHash();
@$internal
@override
$ProviderElement<ErrorTransformerInterceptor> $createElement(
$ProviderPointer pointer,
) => $ProviderElement(pointer);
@override
ErrorTransformerInterceptor create(Ref ref) {
return errorTransformerInterceptor(ref);
}
/// {@macro riverpod.override_with_value}
Override overrideWithValue(ErrorTransformerInterceptor value) {
return $ProviderOverride(
origin: this,
providerOverride: $SyncValueProvider<ErrorTransformerInterceptor>(value),
);
}
}
String _$errorTransformerInterceptorHash() =>
r'15a14206b96d046054277ee0b8220838e0e9e267';

496
lib/core/network/dio_client.dart Normal file
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/// Dio HTTP client configuration for the Worker app
///
/// Provides a configured Dio instance with interceptors for:
/// - Authentication
/// - Logging
/// - Error handling
/// - Caching
/// - Retry logic
library;
import 'package:dio/dio.dart';
import 'package:dio_cache_interceptor/dio_cache_interceptor.dart';
import 'package:dio_cache_interceptor_hive_store/dio_cache_interceptor_hive_store.dart';
import 'package:path_provider/path_provider.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:worker/core/constants/api_constants.dart';
import 'package:worker/core/network/api_interceptor.dart';
import 'package:worker/core/network/network_info.dart';
part 'dio_client.g.dart';
// ============================================================================
// Dio Client Configuration
// ============================================================================
/// HTTP client wrapper around Dio with interceptors and configuration
class DioClient {
DioClient(this._dio, this._cacheStore);
final Dio _dio;
final CacheStore? _cacheStore;
/// Get the underlying Dio instance
Dio get dio => _dio;
/// Get the cache store
CacheStore? get cacheStore => _cacheStore;
// ============================================================================
// HTTP Methods
// ============================================================================
/// Perform GET request
Future<Response<T>> get<T>(
String path, {
Map<String, dynamic>? queryParameters,
Options? options,
CancelToken? cancelToken,
ProgressCallback? onReceiveProgress,
}) async {
try {
return await _dio.get<T>(
path,
queryParameters: queryParameters,
options: options,
cancelToken: cancelToken,
onReceiveProgress: onReceiveProgress,
);
} catch (e) {
rethrow;
}
}
/// Perform POST request
Future<Response<T>> post<T>(
String path, {
dynamic data,
Map<String, dynamic>? queryParameters,
Options? options,
CancelToken? cancelToken,
ProgressCallback? onSendProgress,
ProgressCallback? onReceiveProgress,
}) async {
try {
return await _dio.post<T>(
path,
data: data,
queryParameters: queryParameters,
options: options,
cancelToken: cancelToken,
onSendProgress: onSendProgress,
onReceiveProgress: onReceiveProgress,
);
} catch (e) {
rethrow;
}
}
/// Perform PUT request
Future<Response<T>> put<T>(
String path, {
dynamic data,
Map<String, dynamic>? queryParameters,
Options? options,
CancelToken? cancelToken,
ProgressCallback? onSendProgress,
ProgressCallback? onReceiveProgress,
}) async {
try {
return await _dio.put<T>(
path,
data: data,
queryParameters: queryParameters,
options: options,
cancelToken: cancelToken,
onSendProgress: onSendProgress,
onReceiveProgress: onReceiveProgress,
);
} catch (e) {
rethrow;
}
}
/// Perform PATCH request
Future<Response<T>> patch<T>(
String path, {
dynamic data,
Map<String, dynamic>? queryParameters,
Options? options,
CancelToken? cancelToken,
ProgressCallback? onSendProgress,
ProgressCallback? onReceiveProgress,
}) async {
try {
return await _dio.patch<T>(
path,
data: data,
queryParameters: queryParameters,
options: options,
cancelToken: cancelToken,
onSendProgress: onSendProgress,
onReceiveProgress: onReceiveProgress,
);
} catch (e) {
rethrow;
}
}
/// Perform DELETE request
Future<Response<T>> delete<T>(
String path, {
dynamic data,
Map<String, dynamic>? queryParameters,
Options? options,
CancelToken? cancelToken,
}) async {
try {
return await _dio.delete<T>(
path,
data: data,
queryParameters: queryParameters,
options: options,
cancelToken: cancelToken,
);
} catch (e) {
rethrow;
}
}
/// Upload file with multipart/form-data
Future<Response<T>> uploadFile<T>(
String path, {
required FormData formData,
Map<String, dynamic>? queryParameters,
Options? options,
CancelToken? cancelToken,
ProgressCallback? onSendProgress,
}) async {
try {
return await _dio.post<T>(
path,
data: formData,
queryParameters: queryParameters,
options: options,
cancelToken: cancelToken,
onSendProgress: onSendProgress,
);
} catch (e) {
rethrow;
}
}
/// Download file
Future<Response<dynamic>> downloadFile(
String urlPath,
String savePath, {
ProgressCallback? onReceiveProgress,
Map<String, dynamic>? queryParameters,
CancelToken? cancelToken,
bool deleteOnError = true,
String lengthHeader = Headers.contentLengthHeader,
Options? options,
}) async {
try {
return await _dio.download(
urlPath,
savePath,
onReceiveProgress: onReceiveProgress,
queryParameters: queryParameters,
cancelToken: cancelToken,
deleteOnError: deleteOnError,
lengthHeader: lengthHeader,
options: options,
);
} catch (e) {
rethrow;
}
}
// ============================================================================
// Cache Management
// ============================================================================
/// Clear all cached responses
Future<void> clearCache() async {
if (_cacheStore != null) {
await _cacheStore!.clean();
}
}
/// Clear specific cached response by key
Future<void> clearCacheByKey(String key) async {
if (_cacheStore != null) {
await _cacheStore!.delete(key);
}
}
/// Clear cache for specific path
Future<void> clearCacheByPath(String path) async {
if (_cacheStore != null) {
final key = CacheOptions.defaultCacheKeyBuilder(
RequestOptions(path: path),
);
await _cacheStore!.delete(key);
}
}
}
// ============================================================================
// Retry Interceptor
// ============================================================================
/// Interceptor for retrying failed requests with exponential backoff
class RetryInterceptor extends Interceptor {
RetryInterceptor(
this._networkInfo, {
this.maxRetries = ApiConstants.maxRetryAttempts,
this.initialDelay = ApiConstants.initialRetryDelay,
this.maxDelay = ApiConstants.maxRetryDelay,
this.delayMultiplier = ApiConstants.retryDelayMultiplier,
});
final NetworkInfo _networkInfo;
final int maxRetries;
final Duration initialDelay;
final Duration maxDelay;
final double delayMultiplier;
@override
void onError(
DioException err,
ErrorInterceptorHandler handler,
) async {
// Get retry count from request extra
final retries = err.requestOptions.extra['retries'] as int? ?? 0;
// Check if we should retry
if (retries >= maxRetries || !_shouldRetry(err)) {
handler.next(err);
return;
}
// Check network connectivity before retrying
final isConnected = await _networkInfo.isConnected;
if (!isConnected) {
handler.next(err);
return;
}
// Calculate delay with exponential backoff
final delayMs = (initialDelay.inMilliseconds *
(delayMultiplier * (retries + 1))).toInt();
final delay = Duration(
milliseconds: delayMs.clamp(
initialDelay.inMilliseconds,
maxDelay.inMilliseconds,
),
);
// Wait before retry
await Future<void>.delayed(delay);
// Increment retry count
err.requestOptions.extra['retries'] = retries + 1;
// Retry the request
try {
final dio = Dio();
final response = await dio.fetch<dynamic>(err.requestOptions);
handler.resolve(response);
} on DioException catch (e) {
handler.next(e);
}
}
/// Determine if error should trigger a retry
bool _shouldRetry(DioException error) {
// Retry on connection errors
if (error.type == DioExceptionType.connectionTimeout ||
error.type == DioExceptionType.receiveTimeout ||
error.type == DioExceptionType.connectionError) {
return true;
}
// Retry on 5xx server errors (except 501)
final statusCode = error.response?.statusCode;
if (statusCode != null && statusCode >= 500 && statusCode != 501) {
return true;
}
// Retry on 408 Request Timeout
if (statusCode == 408) {
return true;
}
// Retry on 429 Too Many Requests (with delay from header)
if (statusCode == 429) {
return true;
}
return false;
}
}
// ============================================================================
// Riverpod Providers
// ============================================================================
/// Provider for cache store
@riverpod
Future<CacheStore> cacheStore(Ref ref) async {
final directory = await getTemporaryDirectory();
return HiveCacheStore(
directory.path,
hiveBoxName: 'dio_cache',
);
}
/// Provider for cache options
@riverpod
Future<CacheOptions> cacheOptions(Ref ref) async {
final store = await ref.watch(cacheStoreProvider.future);
return CacheOptions(
store: store,
maxStale: const Duration(days: 7), // Keep cache for 7 days
hitCacheOnErrorExcept: [401, 403], // Use cache on error except auth errors
priority: CachePriority.high,
cipher: null, // No encryption for now
keyBuilder: CacheOptions.defaultCacheKeyBuilder,
allowPostMethod: false, // Don't cache POST requests by default
);
}
/// Provider for Dio instance with all interceptors
@riverpod
Future<Dio> dio(Ref ref) async {
final dio = Dio();
// Base configuration
dio
..options = BaseOptions(
baseUrl: ApiConstants.apiBaseUrl,
connectTimeout: ApiConstants.connectionTimeout,
receiveTimeout: ApiConstants.receiveTimeout,
sendTimeout: ApiConstants.sendTimeout,
headers: {
'Content-Type': ApiConstants.contentTypeJson,
'Accept': ApiConstants.acceptJson,
'Accept-Language': ApiConstants.acceptLanguageVi,
},
responseType: ResponseType.json,
validateStatus: (status) {
// Accept all status codes and handle errors in interceptor
return status != null && status < 500;
},
)
// Add interceptors in order
// 1. Logging interceptor (first to log everything)
..interceptors.add(ref.watch(loggingInterceptorProvider))
// 2. Auth interceptor (add tokens to requests)
..interceptors.add(await ref.watch(authInterceptorProvider(dio).future))
// 3. Cache interceptor
..interceptors.add(DioCacheInterceptor(options: await ref.watch(cacheOptionsProvider.future)))
// 4. Retry interceptor
..interceptors.add(RetryInterceptor(ref.watch(networkInfoProvider)))
// 5. Error transformer (last to transform all errors)
..interceptors.add(ref.watch(errorTransformerInterceptorProvider));
return dio;
}
/// Provider for DioClient
@riverpod
Future<DioClient> dioClient(Ref ref) async {
final dio = await ref.watch(dioProvider.future);
final cacheStore = await ref.watch(cacheStoreProvider.future);
return DioClient(dio, cacheStore);
}
// ============================================================================
// Helper Classes
// ============================================================================
/// Options for API requests with custom cache policy
class ApiRequestOptions {
const ApiRequestOptions({
this.cachePolicy,
this.cacheDuration,
this.forceRefresh = false,
});
final CachePolicy? cachePolicy;
final Duration? cacheDuration;
final bool forceRefresh;
/// Options with cache enabled
static const cached = ApiRequestOptions(
cachePolicy: CachePolicy.forceCache,
);
/// Options with network-first strategy
static const networkFirst = ApiRequestOptions(
cachePolicy: CachePolicy.refreshForceCache,
);
/// Options to force refresh from network
static const forceNetwork = ApiRequestOptions(
cachePolicy: CachePolicy.refresh,
forceRefresh: true,
);
/// Convert to Dio Options
Options toDioOptions() {
return Options(
extra: <String, dynamic>{
if (cachePolicy != null)
CacheResponse.cacheKey: cachePolicy!.index,
if (cacheDuration != null)
'maxStale': cacheDuration,
if (forceRefresh)
'policy': CachePolicy.refresh.index,
},
);
}
}
/// Offline request queue item
class QueuedRequest {
QueuedRequest({
required this.method,
required this.path,
this.data,
this.queryParameters,
required this.timestamp,
});
factory QueuedRequest.fromJson(Map<String, dynamic> json) {
return QueuedRequest(
method: json['method'] as String,
path: json['path'] as String,
data: json['data'],
queryParameters: json['queryParameters'] as Map<String, dynamic>?,
timestamp: DateTime.parse(json['timestamp'] as String),
);
}
final String method;
final String path;
final dynamic data;
final Map<String, dynamic>? queryParameters;
final DateTime timestamp;
Map<String, dynamic> toJson() => <String, dynamic>{
'method': method,
'path': path,
'data': data,
'queryParameters': queryParameters,
'timestamp': timestamp.toIso8601String(),
};
}

177
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@@ -0,0 +1,177 @@
// GENERATED CODE - DO NOT MODIFY BY HAND
part of 'dio_client.dart';
// **************************************************************************
// RiverpodGenerator
// **************************************************************************
// GENERATED CODE - DO NOT MODIFY BY HAND
// ignore_for_file: type=lint, type=warning
/// Provider for cache store
@ProviderFor(cacheStore)
const cacheStoreProvider = CacheStoreProvider._();
/// Provider for cache store
final class CacheStoreProvider
extends
$FunctionalProvider<
AsyncValue<CacheStore>,
CacheStore,
FutureOr<CacheStore>
>
with $FutureModifier<CacheStore>, $FutureProvider<CacheStore> {
/// Provider for cache store
const CacheStoreProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'cacheStoreProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$cacheStoreHash();
@$internal
@override
$FutureProviderElement<CacheStore> $createElement($ProviderPointer pointer) =>
$FutureProviderElement(pointer);
@override
FutureOr<CacheStore> create(Ref ref) {
return cacheStore(ref);
}
}
String _$cacheStoreHash() => r'8cbc2688ee267e03fc5aa6bf48c3ada249cb6345';
/// Provider for cache options
@ProviderFor(cacheOptions)
const cacheOptionsProvider = CacheOptionsProvider._();
/// Provider for cache options
final class CacheOptionsProvider
extends
$FunctionalProvider<
AsyncValue<CacheOptions>,
CacheOptions,
FutureOr<CacheOptions>
>
with $FutureModifier<CacheOptions>, $FutureProvider<CacheOptions> {
/// Provider for cache options
const CacheOptionsProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'cacheOptionsProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$cacheOptionsHash();
@$internal
@override
$FutureProviderElement<CacheOptions> $createElement(
$ProviderPointer pointer,
) => $FutureProviderElement(pointer);
@override
FutureOr<CacheOptions> create(Ref ref) {
return cacheOptions(ref);
}
}
String _$cacheOptionsHash() => r'6b6b951855d8c0094e36918efa79c6ba586e156d';
/// Provider for Dio instance with all interceptors
@ProviderFor(dio)
const dioProvider = DioProvider._();
/// Provider for Dio instance with all interceptors
final class DioProvider
extends $FunctionalProvider<AsyncValue<Dio>, Dio, FutureOr<Dio>>
with $FutureModifier<Dio>, $FutureProvider<Dio> {
/// Provider for Dio instance with all interceptors
const DioProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'dioProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$dioHash();
@$internal
@override
$FutureProviderElement<Dio> $createElement($ProviderPointer pointer) =>
$FutureProviderElement(pointer);
@override
FutureOr<Dio> create(Ref ref) {
return dio(ref);
}
}
String _$dioHash() => r'f15495e99d11744c245e2be892657748aeeb8ae7';
/// Provider for DioClient
@ProviderFor(dioClient)
const dioClientProvider = DioClientProvider._();
/// Provider for DioClient
final class DioClientProvider
extends
$FunctionalProvider<
AsyncValue<DioClient>,
DioClient,
FutureOr<DioClient>
>
with $FutureModifier<DioClient>, $FutureProvider<DioClient> {
/// Provider for DioClient
const DioClientProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'dioClientProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$dioClientHash();
@$internal
@override
$FutureProviderElement<DioClient> $createElement($ProviderPointer pointer) =>
$FutureProviderElement(pointer);
@override
FutureOr<DioClient> create(Ref ref) {
return dioClient(ref);
}
}
String _$dioClientHash() => r'4f6754880ccc00aa99b8ae19904e9da88950a4e1';

365
lib/core/network/network_info.dart Normal file
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@@ -0,0 +1,365 @@
/// Network connectivity information and monitoring
///
/// Provides real-time network status checking, connection type detection,
/// and connectivity monitoring for the Worker app.
library;
import 'dart:async';
import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'network_info.g.dart';
// ============================================================================
// Network Connection Types
// ============================================================================
/// Types of network connections
enum NetworkConnectionType {
/// WiFi connection
wifi,
/// Mobile data connection
mobile,
/// Ethernet connection (wired)
ethernet,
/// Bluetooth connection
bluetooth,
/// VPN connection
vpn,
/// No connection
none,
/// Unknown connection type
unknown,
}
// ============================================================================
// Network Status
// ============================================================================
/// Network connectivity status
class NetworkStatus {
const NetworkStatus({
required this.isConnected,
required this.connectionType,
required this.timestamp,
});
factory NetworkStatus.connected(NetworkConnectionType type) {
return NetworkStatus(
isConnected: true,
connectionType: type,
timestamp: DateTime.now(),
);
}
factory NetworkStatus.disconnected() {
return NetworkStatus(
isConnected: false,
connectionType: NetworkConnectionType.none,
timestamp: DateTime.now(),
);
}
final bool isConnected;
final NetworkConnectionType connectionType;
final DateTime timestamp;
/// Check if connected via WiFi
bool get isWiFi => connectionType == NetworkConnectionType.wifi;
/// Check if connected via mobile data
bool get isMobile => connectionType == NetworkConnectionType.mobile;
/// Check if connected via ethernet
bool get isEthernet => connectionType == NetworkConnectionType.ethernet;
/// Check if connection is metered (mobile data)
bool get isMetered => isMobile;
@override
String toString() {
return 'NetworkStatus(isConnected: $isConnected, type: $connectionType)';
}
@override
bool operator ==(Object other) {
if (identical(this, other)) return true;
return other is NetworkStatus &&
other.isConnected == isConnected &&
other.connectionType == connectionType;
}
@override
int get hashCode => Object.hash(isConnected, connectionType);
}
// ============================================================================
// Network Info Interface
// ============================================================================
/// Abstract interface for network information
abstract class NetworkInfo {
/// Check if device is currently connected to internet
Future<bool> get isConnected;
/// Get current network connection type
Future<NetworkConnectionType> get connectionType;
/// Get current network status
Future<NetworkStatus> get networkStatus;
/// Stream of network status changes
Stream<NetworkStatus> get onNetworkStatusChanged;
}
// ============================================================================
// Network Info Implementation
// ============================================================================
/// Implementation of NetworkInfo using connectivity_plus
class NetworkInfoImpl implements NetworkInfo {
NetworkInfoImpl(this._connectivity);
final Connectivity _connectivity;
StreamController<NetworkStatus>? _statusController;
StreamSubscription<List<ConnectivityResult>>? _subscription;
@override
Future<bool> get isConnected async {
final results = await _connectivity.checkConnectivity();
return _hasConnection(results);
}
@override
Future<NetworkConnectionType> get connectionType async {
final results = await _connectivity.checkConnectivity();
return _mapConnectivityResult(results);
}
@override
Future<NetworkStatus> get networkStatus async {
final results = await _connectivity.checkConnectivity();
final hasConnection = _hasConnection(results);
final type = _mapConnectivityResult(results);
if (hasConnection) {
return NetworkStatus.connected(type);
} else {
return NetworkStatus.disconnected();
}
}
@override
Stream<NetworkStatus> get onNetworkStatusChanged {
_statusController ??= StreamController<NetworkStatus>.broadcast(
onListen: _startListening,
onCancel: _stopListening,
);
return _statusController!.stream;
}
void _startListening() {
_subscription = _connectivity.onConnectivityChanged.listen(
(results) {
final hasConnection = _hasConnection(results);
final type = _mapConnectivityResult(results);
final status = hasConnection
? NetworkStatus.connected(type)
: NetworkStatus.disconnected();
_statusController?.add(status);
},
onError: (error) {
_statusController?.add(NetworkStatus.disconnected());
},
);
}
void _stopListening() {
_subscription?.cancel();
_subscription = null;
}
bool _hasConnection(List<ConnectivityResult> results) {
if (results.isEmpty) return false;
return !results.contains(ConnectivityResult.none);
}
NetworkConnectionType _mapConnectivityResult(List<ConnectivityResult> results) {
if (results.isEmpty || results.contains(ConnectivityResult.none)) {
return NetworkConnectionType.none;
}
// Priority order: WiFi > Ethernet > Mobile > Bluetooth > VPN
if (results.contains(ConnectivityResult.wifi)) {
return NetworkConnectionType.wifi;
} else if (results.contains(ConnectivityResult.ethernet)) {
return NetworkConnectionType.ethernet;
} else if (results.contains(ConnectivityResult.mobile)) {
return NetworkConnectionType.mobile;
} else if (results.contains(ConnectivityResult.bluetooth)) {
return NetworkConnectionType.bluetooth;
} else if (results.contains(ConnectivityResult.vpn)) {
return NetworkConnectionType.vpn;
} else {
return NetworkConnectionType.unknown;
}
}
/// Dispose resources
void dispose() {
_subscription?.cancel();
_statusController?.close();
}
}
// ============================================================================
// Riverpod Providers
// ============================================================================
/// Provider for Connectivity instance
@riverpod
Connectivity connectivity(Ref ref) {
return Connectivity();
}
/// Provider for NetworkInfo instance
@riverpod
NetworkInfo networkInfo(Ref ref) {
final connectivity = ref.watch(connectivityProvider);
final networkInfo = NetworkInfoImpl(connectivity);
// Dispose when provider is disposed
ref.onDispose(() {
networkInfo.dispose();
});
return networkInfo;
}
/// Provider for current network connection status (boolean)
@riverpod
Future<bool> isConnected(Ref ref) async {
final networkInfo = ref.watch(networkInfoProvider);
return await networkInfo.isConnected;
}
/// Provider for current network connection type
@riverpod
Future<NetworkConnectionType> connectionType(Ref ref) async {
final networkInfo = ref.watch(networkInfoProvider);
return await networkInfo.connectionType;
}
/// Stream provider for network status changes
@riverpod
Stream<NetworkStatus> networkStatusStream(Ref ref) {
final networkInfo = ref.watch(networkInfoProvider);
return networkInfo.onNetworkStatusChanged;
}
/// Provider for current network status
@riverpod
class NetworkStatusNotifier extends _$NetworkStatusNotifier {
@override
Future<NetworkStatus> build() async {
final networkInfo = ref.watch(networkInfoProvider);
final status = await networkInfo.networkStatus;
// Listen to network changes
ref.listen(
networkStatusStreamProvider,
(_, next) {
next.whenData((newStatus) {
state = AsyncValue.data(newStatus);
});
},
);
return status;
}
/// Manually refresh network status
Future<void> refresh() async {
state = const AsyncValue.loading();
final networkInfo = ref.read(networkInfoProvider);
state = await AsyncValue.guard(() => networkInfo.networkStatus);
}
/// Check if connected
bool get isConnected {
return state.when(
data: (status) => status.isConnected,
loading: () => false,
error: (_, __) => false,
);
}
/// Get connection type
NetworkConnectionType get type {
return state.when(
data: (status) => status.connectionType,
loading: () => NetworkConnectionType.none,
error: (_, __) => NetworkConnectionType.none,
);
}
}
// ============================================================================
// Utility Extensions
// ============================================================================
/// Extension methods for NetworkConnectionType
extension NetworkConnectionTypeX on NetworkConnectionType {
/// Get display name in Vietnamese
String get displayNameVi {
switch (this) {
case NetworkConnectionType.wifi:
return 'WiFi';
case NetworkConnectionType.mobile:
return 'Dữ liệu di động';
case NetworkConnectionType.ethernet:
return 'Ethernet';
case NetworkConnectionType.bluetooth:
return 'Bluetooth';
case NetworkConnectionType.vpn:
return 'VPN';
case NetworkConnectionType.none:
return 'Không có kết nối';
case NetworkConnectionType.unknown:
return 'Không xác định';
}
}
/// Get display name in English
String get displayNameEn {
switch (this) {
case NetworkConnectionType.wifi:
return 'WiFi';
case NetworkConnectionType.mobile:
return 'Mobile Data';
case NetworkConnectionType.ethernet:
return 'Ethernet';
case NetworkConnectionType.bluetooth:
return 'Bluetooth';
case NetworkConnectionType.vpn:
return 'VPN';
case NetworkConnectionType.none:
return 'No Connection';
case NetworkConnectionType.unknown:
return 'Unknown';
}
}
/// Check if this is a valid connection type
bool get isValid {
return this != NetworkConnectionType.none &&
this != NetworkConnectionType.unknown;
}
}

282
lib/core/network/network_info.g.dart Normal file
View File

@@ -0,0 +1,282 @@
// GENERATED CODE - DO NOT MODIFY BY HAND
part of 'network_info.dart';
// **************************************************************************
// RiverpodGenerator
// **************************************************************************
// GENERATED CODE - DO NOT MODIFY BY HAND
// ignore_for_file: type=lint, type=warning
/// Provider for Connectivity instance
@ProviderFor(connectivity)
const connectivityProvider = ConnectivityProvider._();
/// Provider for Connectivity instance
final class ConnectivityProvider
extends $FunctionalProvider<Connectivity, Connectivity, Connectivity>
with $Provider<Connectivity> {
/// Provider for Connectivity instance
const ConnectivityProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'connectivityProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$connectivityHash();
@$internal
@override
$ProviderElement<Connectivity> $createElement($ProviderPointer pointer) =>
$ProviderElement(pointer);
@override
Connectivity create(Ref ref) {
return connectivity(ref);
}
/// {@macro riverpod.override_with_value}
Override overrideWithValue(Connectivity value) {
return $ProviderOverride(
origin: this,
providerOverride: $SyncValueProvider<Connectivity>(value),
);
}
}
String _$connectivityHash() => r'6d67af0ea4110f6ee0246dd332f90f8901380eda';
/// Provider for NetworkInfo instance
@ProviderFor(networkInfo)
const networkInfoProvider = NetworkInfoProvider._();
/// Provider for NetworkInfo instance
final class NetworkInfoProvider
extends $FunctionalProvider<NetworkInfo, NetworkInfo, NetworkInfo>
with $Provider<NetworkInfo> {
/// Provider for NetworkInfo instance
const NetworkInfoProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'networkInfoProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$networkInfoHash();
@$internal
@override
$ProviderElement<NetworkInfo> $createElement($ProviderPointer pointer) =>
$ProviderElement(pointer);
@override
NetworkInfo create(Ref ref) {
return networkInfo(ref);
}
/// {@macro riverpod.override_with_value}
Override overrideWithValue(NetworkInfo value) {
return $ProviderOverride(
origin: this,
providerOverride: $SyncValueProvider<NetworkInfo>(value),
);
}
}
String _$networkInfoHash() => r'aee276b1536c8c994273dbed1909a2c24a7c71d2';
/// Provider for current network connection status (boolean)
@ProviderFor(isConnected)
const isConnectedProvider = IsConnectedProvider._();
/// Provider for current network connection status (boolean)
final class IsConnectedProvider
extends $FunctionalProvider<AsyncValue<bool>, bool, FutureOr<bool>>
with $FutureModifier<bool>, $FutureProvider<bool> {
/// Provider for current network connection status (boolean)
const IsConnectedProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'isConnectedProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$isConnectedHash();
@$internal
@override
$FutureProviderElement<bool> $createElement($ProviderPointer pointer) =>
$FutureProviderElement(pointer);
@override
FutureOr<bool> create(Ref ref) {
return isConnected(ref);
}
}
String _$isConnectedHash() => r'c9620cadbcdee8e738f865e747dd57262236782d';
/// Provider for current network connection type
@ProviderFor(connectionType)
const connectionTypeProvider = ConnectionTypeProvider._();
/// Provider for current network connection type
final class ConnectionTypeProvider
extends
$FunctionalProvider<
AsyncValue<NetworkConnectionType>,
NetworkConnectionType,
FutureOr<NetworkConnectionType>
>
with
$FutureModifier<NetworkConnectionType>,
$FutureProvider<NetworkConnectionType> {
/// Provider for current network connection type
const ConnectionTypeProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'connectionTypeProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$connectionTypeHash();
@$internal
@override
$FutureProviderElement<NetworkConnectionType> $createElement(
$ProviderPointer pointer,
) => $FutureProviderElement(pointer);
@override
FutureOr<NetworkConnectionType> create(Ref ref) {
return connectionType(ref);
}
}
String _$connectionTypeHash() => r'413aead6c4ff6f2c1476e4795934fddb76b797e6';
/// Stream provider for network status changes
@ProviderFor(networkStatusStream)
const networkStatusStreamProvider = NetworkStatusStreamProvider._();
/// Stream provider for network status changes
final class NetworkStatusStreamProvider
extends
$FunctionalProvider<
AsyncValue<NetworkStatus>,
NetworkStatus,
Stream<NetworkStatus>
>
with $FutureModifier<NetworkStatus>, $StreamProvider<NetworkStatus> {
/// Stream provider for network status changes
const NetworkStatusStreamProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'networkStatusStreamProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$networkStatusStreamHash();
@$internal
@override
$StreamProviderElement<NetworkStatus> $createElement(
$ProviderPointer pointer,
) => $StreamProviderElement(pointer);
@override
Stream<NetworkStatus> create(Ref ref) {
return networkStatusStream(ref);
}
}
String _$networkStatusStreamHash() =>
r'bdff8d93b214ebc290e81ab72fb8d51d8bfb27b1';
/// Provider for current network status
@ProviderFor(NetworkStatusNotifier)
const networkStatusProvider = NetworkStatusNotifierProvider._();
/// Provider for current network status
final class NetworkStatusNotifierProvider
extends $AsyncNotifierProvider<NetworkStatusNotifier, NetworkStatus> {
/// Provider for current network status
const NetworkStatusNotifierProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'networkStatusProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$networkStatusNotifierHash();
@$internal
@override
NetworkStatusNotifier create() => NetworkStatusNotifier();
}
String _$networkStatusNotifierHash() =>
r'628e313a66129282cd06dfdd561af3f0a4517b4f';
/// Provider for current network status
abstract class _$NetworkStatusNotifier extends $AsyncNotifier<NetworkStatus> {
FutureOr<NetworkStatus> build();
@$mustCallSuper
@override
void runBuild() {
final created = build();
final ref = this.ref as $Ref<AsyncValue<NetworkStatus>, NetworkStatus>;
final element =
ref.element
as $ClassProviderElement<
AnyNotifier<AsyncValue<NetworkStatus>, NetworkStatus>,
AsyncValue<NetworkStatus>,
Object?,
Object?
>;
element.handleValue(ref, created);
}
}

462
lib/core/providers/QUICK_REFERENCE.md Normal file
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@@ -0,0 +1,462 @@
# Riverpod 3.0 Quick Reference Card
## File Structure
```dart
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'my_provider.g.dart'; // REQUIRED!
// Your providers here
```
## Provider Types
### 1. Simple Value (Immutable)
```dart
@riverpod
String appName(AppNameRef ref) => 'Worker App';
// Usage
final name = ref.watch(appNameProvider);
```
### 2. Async Value (Future)
```dart
@riverpod
Future<User> user(UserRef ref, String id) async {
return await fetchUser(id);
}
// Usage
final userAsync = ref.watch(userProvider('123'));
userAsync.when(
data: (user) => Text(user.name),
loading: () => CircularProgressIndicator(),
error: (e, _) => Text('Error: $e'),
);
```
### 3. Stream
```dart
@riverpod
Stream<Message> messages(MessagesRef ref) {
return webSocket.messages;
}
// Usage
final messages = ref.watch(messagesProvider);
```
### 4. Mutable State (Notifier)
```dart
@riverpod
class Counter extends _$Counter {
@override
int build() => 0;
void increment() => state++;
void decrement() => state--;
}
// Usage
final count = ref.watch(counterProvider);
ref.read(counterProvider.notifier).increment();
```
### 5. Async Mutable State (AsyncNotifier)
```dart
@riverpod
class Profile extends _$Profile {
@override
Future<User> build() async {
return await api.getProfile();
}
Future<void> update(String name) async {
state = const AsyncValue.loading();
state = await AsyncValue.guard(() async {
return await api.updateProfile(name);
});
}
}
// Usage
final profile = ref.watch(profileProvider);
await ref.read(profileProvider.notifier).update('New Name');
```
## Family (Parameters)
```dart
// Single parameter
@riverpod
Future<Post> post(PostRef ref, String id) async {
return await api.getPost(id);
}
// Multiple parameters
@riverpod
Future<List<Post>> posts(
PostsRef ref, {
required String userId,
int page = 1,
String? category,
}) async {
return await api.getPosts(userId, page, category);
}
// Usage
ref.watch(postProvider('post-123'));
ref.watch(postsProvider(userId: 'user-1', page: 2));
```
## AutoDispose vs KeepAlive
```dart
// AutoDispose (default) - cleaned up when not used
@riverpod
String temp(TempRef ref) => 'Auto disposed';
// KeepAlive - stays alive
@Riverpod(keepAlive: true)
String config(ConfigRef ref) => 'Global config';
```
## Usage in Widgets
### ConsumerWidget
```dart
class MyWidget extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final value = ref.watch(myProvider);
return Text(value);
}
}
```
### ConsumerStatefulWidget
```dart
class MyWidget extends ConsumerStatefulWidget {
@override
ConsumerState<MyWidget> createState() => _MyWidgetState();
}
class _MyWidgetState extends ConsumerState<MyWidget> {
@override
Widget build(BuildContext context) {
final value = ref.watch(myProvider);
return Text(value);
}
}
```
### Consumer (optimization)
```dart
Consumer(
builder: (context, ref, child) {
final count = ref.watch(counterProvider);
return Text('$count');
},
)
```
## Ref Methods
### ref.watch() - Use in build
```dart
// Rebuilds when value changes
final value = ref.watch(myProvider);
```
### ref.read() - Use in callbacks
```dart
// One-time read, doesn't listen
onPressed: () {
ref.read(myProvider.notifier).update();
}
```
### ref.listen() - Side effects
```dart
ref.listen(authProvider, (prev, next) {
if (next.isLoggedOut) {
Navigator.of(context).pushReplacementNamed('/login');
}
});
```
### ref.invalidate() - Force refresh
```dart
ref.invalidate(userProvider);
```
### ref.refresh() - Invalidate and read
```dart
final newValue = ref.refresh(userProvider);
```
## AsyncValue Handling
### .when()
```dart
asyncValue.when(
data: (value) => Text(value),
loading: () => CircularProgressIndicator(),
error: (error, stack) => Text('Error: $error'),
);
```
### Pattern Matching (Dart 3+)
```dart
switch (asyncValue) {
case AsyncData(:final value):
return Text(value);
case AsyncError(:final error):
return Text('Error: $error');
case AsyncLoading():
return CircularProgressIndicator();
}
```
### Direct Checks
```dart
if (asyncValue.isLoading) return Loading();
if (asyncValue.hasError) return Error();
final data = asyncValue.value!;
```
## Performance Optimization
### Use .select()
```dart
// Bad - rebuilds on any user change
final user = ref.watch(userProvider);
// Good - rebuilds only when name changes
final name = ref.watch(
userProvider.select((user) => user.name),
);
// With AsyncValue
final name = ref.watch(
userProvider.select((async) => async.value?.name),
);
```
## Error Handling
### AsyncValue.guard()
```dart
@riverpod
class Data extends _$Data {
@override
Future<String> build() async => 'Initial';
Future<void> update(String value) async {
state = const AsyncValue.loading();
// Catches errors automatically
state = await AsyncValue.guard(() async {
return await api.update(value);
});
}
}
```
## Provider Composition
```dart
@riverpod
Future<Dashboard> dashboard(DashboardRef ref) async {
// Depend on other providers
final user = await ref.watch(userProvider.future);
final posts = await ref.watch(postsProvider.future);
return Dashboard(user: user, posts: posts);
}
```
## Lifecycle Hooks
```dart
@riverpod
String example(ExampleRef ref) {
ref.onDispose(() {
// Cleanup
print('Disposed');
});
ref.onCancel(() {
// Last listener removed
});
ref.onResume(() {
// New listener added
});
return 'value';
}
```
## ref.mounted Check (Riverpod 3.0)
```dart
@riverpod
class Example extends _$Example {
@override
String build() => 'Initial';
Future<void> update() async {
await Future.delayed(Duration(seconds: 2));
// Check if still mounted
if (!ref.mounted) return;
state = 'Updated';
}
}
```
## Code Generation Commands
```bash
# Watch mode (recommended)
dart run build_runner watch -d
# One-time build
dart run build_runner build --delete-conflicting-outputs
# Clean and rebuild
dart run build_runner clean && dart run build_runner build -d
```
## Linting
```bash
# Check Riverpod issues
dart run custom_lint
# Auto-fix
dart run custom_lint --fix
```
## Testing
```dart
test('counter increments', () {
final container = ProviderContainer();
addTearDown(container.dispose);
expect(container.read(counterProvider), 0);
container.read(counterProvider.notifier).increment();
expect(container.read(counterProvider), 1);
});
```
## Widget Testing
```dart
testWidgets('test', (tester) async {
await tester.pumpWidget(
ProviderScope(
overrides: [
userProvider.overrideWith((ref) => User(name: 'Test')),
],
child: MaterialApp(home: MyScreen()),
),
);
expect(find.text('Test'), findsOneWidget);
});
```
## Best Practices
✅ **DO:**
- Use `ref.watch()` in build methods
- Use `ref.read()` in event handlers
- Use `.select()` to optimize rebuilds
- Check `ref.mounted` after async operations
- Use `AsyncValue.guard()` for error handling
- Use autoDispose for temporary state
- Keep providers in dedicated directories
❌ **DON'T:**
- Use `ref.read()` in build methods
- Forget the `part` directive
- Use deprecated `StateNotifierProvider`
- Create providers without code generation
- Forget to run build_runner after changes
## Common Patterns
### Loading State
```dart
Future<void> save() async {
state = const AsyncValue.loading();
state = await AsyncValue.guard(() => api.save());
}
```
### Pagination
```dart
@riverpod
class PostList extends _$PostList {
@override
Future<List<Post>> build() => _fetch(0);
int _page = 0;
Future<void> loadMore() async {
final current = state.value ?? [];
_page++;
state = const AsyncValue.loading();
state = await AsyncValue.guard(() async {
final newPosts = await _fetch(_page);
return [...current, ...newPosts];
});
}
Future<List<Post>> _fetch(int page) async {
return await api.getPosts(page: page);
}
}
```
### Form State
```dart
@riverpod
class LoginForm extends _$LoginForm {
@override
LoginFormState build() => LoginFormState();
void setEmail(String email) {
state = state.copyWith(email: email);
}
void setPassword(String password) {
state = state.copyWith(password: password);
}
Future<void> submit() async {
if (!state.isValid) return;
state = state.copyWith(isLoading: true);
try {
await api.login(state.email, state.password);
state = state.copyWith(isLoading: false, success: true);
} catch (e) {
state = state.copyWith(isLoading: false, error: e.toString());
}
}
}
```
## Resources
- 📄 provider_examples.dart - All patterns with examples
- 📄 connectivity_provider.dart - Real-world implementation
- 📄 RIVERPOD_SETUP.md - Complete guide
- 🌐 https://riverpod.dev - Official documentation

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lib/core/providers/README.md Normal file
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# Riverpod 3.0 Provider Architecture
This directory contains core-level providers that are used across the application.
## Directory Structure
```
lib/core/providers/
├── connectivity_provider.dart # Network connectivity monitoring
├── provider_examples.dart # Comprehensive Riverpod 3.0 examples
└── README.md # This file
```
## Setup Instructions
### 1. Install Dependencies
Dependencies are already configured in `pubspec.yaml`:
```yaml
dependencies:
flutter_riverpod: ^3.0.0
riverpod_annotation: ^3.0.0
dev_dependencies:
build_runner: ^2.4.11
riverpod_generator: ^3.0.0
riverpod_lint: ^3.0.0
custom_lint: ^0.7.0
```
Run to install:
```bash
flutter pub get
```
### 2. Generate Code
Run code generation whenever you create or modify providers:
```bash
# Watch mode (auto-regenerates on changes)
dart run build_runner watch -d
# One-time build
dart run build_runner build -d
# Clean and rebuild
dart run build_runner build --delete-conflicting-outputs
```
### 3. Wrap App with ProviderScope
In `main.dart`:
```dart
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
void main() {
runApp(
const ProviderScope(
child: MyApp(),
),
);
}
```
## Riverpod 3.0 Key Concepts
### @riverpod Annotation
The `@riverpod` annotation is the core of code generation. It automatically generates the appropriate provider type based on your function/class signature.
```dart
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'my_provider.g.dart';
// Simple value
@riverpod
String myValue(MyValueRef ref) => 'Hello';
// Async value
@riverpod
Future<String> myAsync(MyAsyncRef ref) async => 'Hello';
// Stream
@riverpod
Stream<int> myStream(MyStreamRef ref) => Stream.value(1);
// Mutable state
@riverpod
class MyNotifier extends _$MyNotifier {
@override
int build() => 0;
void increment() => state++;
}
// Async mutable state
@riverpod
class MyAsyncNotifier extends _$MyAsyncNotifier {
@override
Future<String> build() async => 'Initial';
Future<void> update(String value) async {
state = await AsyncValue.guard(() async => value);
}
}
```
### Provider Types (Auto-Generated)
1. **Simple Provider** - Immutable value
- Function returning T → Provider<T>
2. **FutureProvider** - Async value
- Function returning Future<T> → FutureProvider<T>
3. **StreamProvider** - Stream of values
- Function returning Stream<T> → StreamProvider<T>
4. **NotifierProvider** - Mutable state with methods
- Class extending Notifier → NotifierProvider
5. **AsyncNotifierProvider** - Async mutable state
- Class extending AsyncNotifier → AsyncNotifierProvider
6. **StreamNotifierProvider** - Stream mutable state
- Class extending StreamNotifier → StreamNotifierProvider
### Family (Parameters)
In Riverpod 3.0, family is just function parameters!
```dart
// Old way (Riverpod 2.x)
final userProvider = FutureProvider.family<User, String>((ref, id) async {
return fetchUser(id);
});
// New way (Riverpod 3.0)
@riverpod
Future<User> user(UserRef ref, String id) async {
return fetchUser(id);
}
// Multiple parameters (named, optional, defaults)
@riverpod
Future<List<Post>> posts(
PostsRef ref, {
required String userId,
int page = 1,
int limit = 20,
String? category,
}) async {
return fetchPosts(userId, page, limit, category);
}
// Usage
ref.watch(userProvider('user123'));
ref.watch(postsProvider(userId: 'user123', page: 2, category: 'tech'));
```
### AutoDispose vs KeepAlive
```dart
// AutoDispose (default) - cleaned up when not used
@riverpod
String autoExample(AutoExampleRef ref) => 'Auto disposed';
// KeepAlive - stays alive until app closes
@Riverpod(keepAlive: true)
String keepExample(KeepExampleRef ref) => 'Kept alive';
```
### Unified Ref Type
Riverpod 3.0 uses a single `Ref` type (no more FutureProviderRef, StreamProviderRef, etc.):
```dart
@riverpod
Future<String> example(ExampleRef ref) async {
// All providers use the same ref type
ref.watch(otherProvider);
ref.read(anotherProvider);
ref.listen(thirdProvider, (prev, next) {});
ref.invalidate(fourthProvider);
}
```
### ref.mounted Check
Always check `ref.mounted` after async operations in Notifiers:
```dart
@riverpod
class Example extends _$Example {
@override
String build() => 'Initial';
Future<void> updateData() async {
await Future.delayed(Duration(seconds: 2));
// Check if provider is still mounted
if (!ref.mounted) return;
state = 'Updated';
}
}
```
### Error Handling with AsyncValue.guard()
```dart
@riverpod
class Data extends _$Data {
@override
Future<String> build() async => 'Initial';
Future<void> update(String value) async {
state = const AsyncValue.loading();
// AsyncValue.guard catches errors automatically
state = await AsyncValue.guard(() async {
await api.update(value);
return value;
});
}
}
```
## Usage in Widgets
### ConsumerWidget
```dart
class MyWidget extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final value = ref.watch(myProvider);
return Text(value);
}
}
```
### ConsumerStatefulWidget
```dart
class MyWidget extends ConsumerStatefulWidget {
@override
ConsumerState<MyWidget> createState() => _MyWidgetState();
}
class _MyWidgetState extends ConsumerState<MyWidget> {
@override
void initState() {
super.initState();
// ref is available in all lifecycle methods
}
@override
Widget build(BuildContext context) {
final value = ref.watch(myProvider);
return Text(value);
}
}
```
### Consumer (for optimization)
```dart
Column(
children: [
const Text('Static'),
Consumer(
builder: (context, ref, child) {
final count = ref.watch(counterProvider);
return Text('$count');
},
),
],
)
```
## Best Practices
### 1. Use .select() for Optimization
```dart
// Bad - rebuilds on any user change
final user = ref.watch(userProvider);
// Good - rebuilds only when name changes
final name = ref.watch(userProvider.select((user) => user.name));
// Good - rebuilds only when async value has data
final userName = ref.watch(
userProvider.select((async) => async.value?.name),
);
```
### 2. Provider Dependencies
```dart
@riverpod
Future<Dashboard> dashboard(DashboardRef ref) async {
// Watch other providers
final user = await ref.watch(userProvider.future);
final posts = await ref.watch(postsProvider.future);
return Dashboard(user: user, posts: posts);
}
```
### 3. Invalidation and Refresh
```dart
// In a widget or notifier
ref.invalidate(userProvider); // Invalidate
ref.refresh(userProvider); // Invalidate and re-read
```
### 4. Lifecycle Hooks
```dart
@riverpod
String example(ExampleRef ref) {
ref.onDispose(() {
// Clean up
});
ref.onCancel(() {
// Last listener removed
});
ref.onResume(() {
// New listener added after cancel
});
return 'value';
}
```
### 5. Testing
```dart
test('counter increments', () {
final container = ProviderContainer();
addTearDown(container.dispose);
expect(container.read(counterProvider), 0);
container.read(counterProvider.notifier).increment();
expect(container.read(counterProvider), 1);
});
test('async provider', () async {
final container = ProviderContainer();
addTearDown(container.dispose);
final value = await container.read(userProvider.future);
expect(value.name, 'John');
});
```
## Migration from Riverpod 2.x
### StateNotifierProvider → NotifierProvider
```dart
// Old (2.x)
class Counter extends StateNotifier<int> {
Counter() : super(0);
void increment() => state++;
}
final counterProvider = StateNotifierProvider<Counter, int>(Counter.new);
// New (3.0)
@riverpod
class Counter extends _$Counter {
@override
int build() => 0;
void increment() => state++;
}
```
### FutureProvider.family → Function with Parameters
```dart
// Old (2.x)
final userProvider = FutureProvider.family<User, String>((ref, id) async {
return fetchUser(id);
});
// New (3.0)
@riverpod
Future<User> user(UserRef ref, String id) async {
return fetchUser(id);
}
```
### Ref Types → Single Ref
```dart
// Old (2.x)
final provider = FutureProvider<String>((FutureProviderRef ref) async {
return 'value';
});
// New (3.0)
@riverpod
Future<String> provider(ProviderRef ref) async {
return 'value';
}
```
## Common Patterns
See `provider_examples.dart` for comprehensive examples of:
- Simple providers
- Async providers (FutureProvider pattern)
- Stream providers
- Notifier (mutable state)
- AsyncNotifier (async mutable state)
- StreamNotifier
- Family (parameters)
- Provider composition
- Error handling
- Lifecycle hooks
- Optimization with .select()
## Riverpod Lint Rules
The project is configured with `riverpod_lint` for additional checks:
- `provider_dependencies` - Ensure proper dependency usage
- `scoped_providers_should_specify_dependencies` - Scoped provider safety
- `avoid_public_notifier_properties` - Encapsulation
- `avoid_ref_read_inside_build` - Performance
- `avoid_manual_providers_as_generated_provider_dependency` - Use generated providers
- `functional_ref` - Proper ref usage
- `notifier_build` - Proper Notifier implementation
Run linting:
```bash
dart run custom_lint
```
## Resources
- [Riverpod Documentation](https://riverpod.dev)
- [Code Generation Guide](https://riverpod.dev/docs/concepts/about_code_generation)
- [Migration Guide](https://riverpod.dev/docs/migration/from_state_notifier)
- [Provider Examples](./provider_examples.dart)

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import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'connectivity_provider.g.dart';
/// Enum representing connectivity status
enum ConnectivityStatus {
/// Connected to WiFi
wifi,
/// Connected to mobile data
mobile,
/// No internet connection
offline,
}
/// Provider for the Connectivity instance
/// This is a simple provider that returns a singleton instance
@riverpod
Connectivity connectivity(Ref ref) {
return Connectivity();
}
/// Stream provider that monitors real-time connectivity changes
/// This automatically updates whenever the device connectivity changes
///
/// Usage:
/// ```dart
/// final connectivityState = ref.watch(connectivityStreamProvider);
/// connectivityState.when(
/// data: (status) => Text('Status: $status'),
/// loading: () => CircularProgressIndicator(),
/// error: (error, _) => Text('Error: $error'),
/// );
/// ```
@riverpod
Stream<ConnectivityStatus> connectivityStream(Ref ref) {
final connectivity = ref.watch(connectivityProvider);
return connectivity.onConnectivityChanged.map((result) {
// Handle the List<ConnectivityResult> from connectivity_plus
if (result.contains(ConnectivityResult.wifi)) {
return ConnectivityStatus.wifi;
} else if (result.contains(ConnectivityResult.mobile)) {
return ConnectivityStatus.mobile;
} else {
return ConnectivityStatus.offline;
}
});
}
/// Provider that checks current connectivity status once
/// This is useful for one-time checks without listening to changes
///
/// Usage:
/// ```dart
/// final status = await ref.read(currentConnectivityProvider.future);
/// if (status == ConnectivityStatus.offline) {
/// showOfflineDialog();
/// }
/// ```
@riverpod
Future<ConnectivityStatus> currentConnectivity(Ref ref) async {
final connectivity = ref.watch(connectivityProvider);
final result = await connectivity.checkConnectivity();
// Handle the List<ConnectivityResult>
if (result.contains(ConnectivityResult.wifi)) {
return ConnectivityStatus.wifi;
} else if (result.contains(ConnectivityResult.mobile)) {
return ConnectivityStatus.mobile;
} else {
return ConnectivityStatus.offline;
}
}
/// Provider that returns whether the device is currently online
/// Convenient boolean check for connectivity
///
/// Usage:
/// ```dart
/// final isOnlineAsync = ref.watch(isOnlineProvider);
/// isOnlineAsync.when(
/// data: (isOnline) => isOnline ? Text('Online') : Text('Offline'),
/// loading: () => CircularProgressIndicator(),
/// error: (error, _) => Text('Error: $error'),
/// );
/// ```
@riverpod
Stream<bool> isOnline(Ref ref) {
// Get the connectivity stream and map it to a boolean
final connectivity = ref.watch(connectivityProvider);
return connectivity.onConnectivityChanged.map((result) {
// Online if connected to WiFi or mobile
return result.contains(ConnectivityResult.wifi) ||
result.contains(ConnectivityResult.mobile);
});
}
/// Example of using .select() for optimization
/// Only rebuilds when the online status changes, not on WiFi<->Mobile switches
///
/// Usage:
/// ```dart
/// // This only rebuilds when going online/offline
/// final isOnline = ref.watch(
/// connectivityStreamProvider.select((async) =>
/// async.value != ConnectivityStatus.offline
/// ),
/// );
/// ```

283
lib/core/providers/connectivity_provider.g.dart Normal file
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@@ -0,0 +1,283 @@
// GENERATED CODE - DO NOT MODIFY BY HAND
part of 'connectivity_provider.dart';
// **************************************************************************
// RiverpodGenerator
// **************************************************************************
// GENERATED CODE - DO NOT MODIFY BY HAND
// ignore_for_file: type=lint, type=warning
/// Provider for the Connectivity instance
/// This is a simple provider that returns a singleton instance
@ProviderFor(connectivity)
const connectivityProvider = ConnectivityProvider._();
/// Provider for the Connectivity instance
/// This is a simple provider that returns a singleton instance
final class ConnectivityProvider
extends $FunctionalProvider<Connectivity, Connectivity, Connectivity>
with $Provider<Connectivity> {
/// Provider for the Connectivity instance
/// This is a simple provider that returns a singleton instance
const ConnectivityProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'connectivityProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$connectivityHash();
@$internal
@override
$ProviderElement<Connectivity> $createElement($ProviderPointer pointer) =>
$ProviderElement(pointer);
@override
Connectivity create(Ref ref) {
return connectivity(ref);
}
/// {@macro riverpod.override_with_value}
Override overrideWithValue(Connectivity value) {
return $ProviderOverride(
origin: this,
providerOverride: $SyncValueProvider<Connectivity>(value),
);
}
}
String _$connectivityHash() => r'6d67af0ea4110f6ee0246dd332f90f8901380eda';
/// Stream provider that monitors real-time connectivity changes
/// This automatically updates whenever the device connectivity changes
///
/// Usage:
/// ```dart
/// final connectivityState = ref.watch(connectivityStreamProvider);
/// connectivityState.when(
/// data: (status) => Text('Status: $status'),
/// loading: () => CircularProgressIndicator(),
/// error: (error, _) => Text('Error: $error'),
/// );
/// ```
@ProviderFor(connectivityStream)
const connectivityStreamProvider = ConnectivityStreamProvider._();
/// Stream provider that monitors real-time connectivity changes
/// This automatically updates whenever the device connectivity changes
///
/// Usage:
/// ```dart
/// final connectivityState = ref.watch(connectivityStreamProvider);
/// connectivityState.when(
/// data: (status) => Text('Status: $status'),
/// loading: () => CircularProgressIndicator(),
/// error: (error, _) => Text('Error: $error'),
/// );
/// ```
final class ConnectivityStreamProvider
extends
$FunctionalProvider<
AsyncValue<ConnectivityStatus>,
ConnectivityStatus,
Stream<ConnectivityStatus>
>
with
$FutureModifier<ConnectivityStatus>,
$StreamProvider<ConnectivityStatus> {
/// Stream provider that monitors real-time connectivity changes
/// This automatically updates whenever the device connectivity changes
///
/// Usage:
/// ```dart
/// final connectivityState = ref.watch(connectivityStreamProvider);
/// connectivityState.when(
/// data: (status) => Text('Status: $status'),
/// loading: () => CircularProgressIndicator(),
/// error: (error, _) => Text('Error: $error'),
/// );
/// ```
const ConnectivityStreamProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'connectivityStreamProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$connectivityStreamHash();
@$internal
@override
$StreamProviderElement<ConnectivityStatus> $createElement(
$ProviderPointer pointer,
) => $StreamProviderElement(pointer);
@override
Stream<ConnectivityStatus> create(Ref ref) {
return connectivityStream(ref);
}
}
String _$connectivityStreamHash() =>
r'207d7c426c0182225f4d1fd2014b9bc6c667fd67';
/// Provider that checks current connectivity status once
/// This is useful for one-time checks without listening to changes
///
/// Usage:
/// ```dart
/// final status = await ref.read(currentConnectivityProvider.future);
/// if (status == ConnectivityStatus.offline) {
/// showOfflineDialog();
/// }
/// ```
@ProviderFor(currentConnectivity)
const currentConnectivityProvider = CurrentConnectivityProvider._();
/// Provider that checks current connectivity status once
/// This is useful for one-time checks without listening to changes
///
/// Usage:
/// ```dart
/// final status = await ref.read(currentConnectivityProvider.future);
/// if (status == ConnectivityStatus.offline) {
/// showOfflineDialog();
/// }
/// ```
final class CurrentConnectivityProvider
extends
$FunctionalProvider<
AsyncValue<ConnectivityStatus>,
ConnectivityStatus,
FutureOr<ConnectivityStatus>
>
with
$FutureModifier<ConnectivityStatus>,
$FutureProvider<ConnectivityStatus> {
/// Provider that checks current connectivity status once
/// This is useful for one-time checks without listening to changes
///
/// Usage:
/// ```dart
/// final status = await ref.read(currentConnectivityProvider.future);
/// if (status == ConnectivityStatus.offline) {
/// showOfflineDialog();
/// }
/// ```
const CurrentConnectivityProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'currentConnectivityProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$currentConnectivityHash();
@$internal
@override
$FutureProviderElement<ConnectivityStatus> $createElement(
$ProviderPointer pointer,
) => $FutureProviderElement(pointer);
@override
FutureOr<ConnectivityStatus> create(Ref ref) {
return currentConnectivity(ref);
}
}
String _$currentConnectivityHash() =>
r'bf11d5eef553f9476a8b667e68572268bc25c9fb';
/// Provider that returns whether the device is currently online
/// Convenient boolean check for connectivity
///
/// Usage:
/// ```dart
/// final isOnlineAsync = ref.watch(isOnlineProvider);
/// isOnlineAsync.when(
/// data: (isOnline) => isOnline ? Text('Online') : Text('Offline'),
/// loading: () => CircularProgressIndicator(),
/// error: (error, _) => Text('Error: $error'),
/// );
/// ```
@ProviderFor(isOnline)
const isOnlineProvider = IsOnlineProvider._();
/// Provider that returns whether the device is currently online
/// Convenient boolean check for connectivity
///
/// Usage:
/// ```dart
/// final isOnlineAsync = ref.watch(isOnlineProvider);
/// isOnlineAsync.when(
/// data: (isOnline) => isOnline ? Text('Online') : Text('Offline'),
/// loading: () => CircularProgressIndicator(),
/// error: (error, _) => Text('Error: $error'),
/// );
/// ```
final class IsOnlineProvider
extends $FunctionalProvider<AsyncValue<bool>, bool, Stream<bool>>
with $FutureModifier<bool>, $StreamProvider<bool> {
/// Provider that returns whether the device is currently online
/// Convenient boolean check for connectivity
///
/// Usage:
/// ```dart
/// final isOnlineAsync = ref.watch(isOnlineProvider);
/// isOnlineAsync.when(
/// data: (isOnline) => isOnline ? Text('Online') : Text('Offline'),
/// loading: () => CircularProgressIndicator(),
/// error: (error, _) => Text('Error: $error'),
/// );
/// ```
const IsOnlineProvider._()
: super(
from: null,
argument: null,
retry: null,
name: r'isOnlineProvider',
isAutoDispose: true,
dependencies: null,
$allTransitiveDependencies: null,
);
@override
String debugGetCreateSourceHash() => _$isOnlineHash();
@$internal
@override
$StreamProviderElement<bool> $createElement($ProviderPointer pointer) =>
$StreamProviderElement(pointer);
@override
Stream<bool> create(Ref ref) {
return isOnline(ref);
}
}
String _$isOnlineHash() => r'09f68fd322b995ffdc28fab6249d8b80108512c4';

474
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@@ -0,0 +1,474 @@
// ignore_for_file: unreachable_from_main
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'provider_examples.g.dart';
/// ============================================================================
/// RIVERPOD 3.0 PROVIDER EXAMPLES WITH CODE GENERATION
/// ============================================================================
/// This file contains comprehensive examples of Riverpod 3.0 patterns
/// using the @riverpod annotation and code generation.
///
/// Key Changes in Riverpod 3.0:
/// - Unified Ref type (no more FutureProviderRef, StreamProviderRef, etc.)
/// - Simplified Notifier classes (no more separate AutoDisposeNotifier)
/// - Automatic retry for failed providers
/// - ref.mounted check after async operations
/// - Improved family parameters (just function parameters!)
/// ============================================================================
// ============================================================================
// 1. SIMPLE IMMUTABLE VALUE PROVIDER
// ============================================================================
/// Simple provider that returns an immutable value
/// Use this for constants, configurations, or computed values
@riverpod
String appVersion(Ref ref) {
return '1.0.0';
}
/// Provider with computation
@riverpod
int pointsMultiplier(Ref ref) {
// Can read other providers
final userTier = 'diamond'; // This would come from another provider
return userTier == 'diamond' ? 3 : userTier == 'platinum' ? 2 : 1;
}
// ============================================================================
// 2. ASYNC DATA FETCHING (FutureProvider pattern)
// ============================================================================
/// Async provider for fetching data once
/// Automatically handles loading and error states via AsyncValue
@riverpod
Future<String> userData(Ref ref) async {
// Simulate API call
await Future.delayed(const Duration(seconds: 1));
return 'User Data';
}
/// Async provider with parameters (Family pattern)
/// Parameters are just function parameters - much simpler than before!
@riverpod
Future<String> userProfile(Ref ref, String userId) async {
// Simulate API call with userId
await Future.delayed(const Duration(seconds: 1));
return 'Profile for user: $userId';
}
/// Async provider with multiple parameters
/// Named parameters, optional parameters, defaults - all supported!
@riverpod
Future<List<String>> productList(
Ref ref, {
required String category,
int page = 1,
int limit = 20,
String? searchQuery,
}) async {
// Simulate API call with parameters
await Future.delayed(const Duration(milliseconds: 500));
return ['Product 1', 'Product 2', 'Product 3'];
}
// ============================================================================
// 3. STREAM PROVIDER
// ============================================================================
/// Stream provider for real-time data
/// Use this for WebSocket connections, real-time updates, etc.
@riverpod
Stream<int> timer(Ref ref) {
return Stream.periodic(
const Duration(seconds: 1),
(count) => count,
);
}
/// Stream provider with parameters
@riverpod
Stream<String> chatMessages(Ref ref, String roomId) {
// Simulate WebSocket stream
return Stream.periodic(
const Duration(seconds: 2),
(count) => 'Message $count in room $roomId',
);
}
// ============================================================================
// 4. NOTIFIER - MUTABLE STATE WITH METHODS
// ============================================================================
/// Notifier for mutable state with methods
/// Use this when you need to expose methods to modify state
///
/// The @riverpod annotation generates:
/// - counterProvider: Access the state
/// - counterProvider.notifier: Access the notifier methods
@riverpod
class Counter extends _$Counter {
/// Build method returns the initial state
@override
int build() {
return 0;
}
/// Methods to modify state
void increment() {
state++;
}
void decrement() {
state--;
}
void reset() {
state = 0;
}
void add(int value) {
state += value;
}
}
/// Notifier with parameters (Family pattern)
@riverpod
class CartQuantity extends _$CartQuantity {
/// Parameters become properties you can access
@override
int build(String productId) {
// Initialize with 0 or load from local storage
return 0;
}
void increment() {
state++;
}
void decrement() {
if (state > 0) {
state--;
}
}
void setQuantity(int quantity) {
state = quantity.clamp(0, 99);
}
}
// ============================================================================
// 5. ASYNC NOTIFIER - MUTABLE STATE WITH ASYNC INITIALIZATION
// ============================================================================
/// AsyncNotifier for state that requires async initialization
/// Perfect for fetching data that can then be modified
///
/// State type: AsyncValue<UserProfile>
/// - AsyncValue.data(profile) when loaded
/// - AsyncValue.loading() when loading
/// - AsyncValue.error(error, stack) when error
@riverpod
class UserProfileNotifier extends _$UserProfileNotifier {
/// Build method returns Future of the initial state
@override
Future<UserProfileData> build() async {
// Fetch initial data
await Future.delayed(const Duration(seconds: 1));
return UserProfileData(name: 'John Doe', email: 'john@example.com');
}
/// Method to update profile
/// Uses AsyncValue.guard() for proper error handling
Future<void> updateName(String name) async {
// Set loading state
state = const AsyncValue.loading();
// Update state with error handling
state = await AsyncValue.guard(() async {
await Future.delayed(const Duration(milliseconds: 500));
final currentProfile = await future; // Get current data
return currentProfile.copyWith(name: name);
});
}
/// Refresh data
Future<void> refresh() async {
state = const AsyncValue.loading();
state = await AsyncValue.guard(() async {
await Future.delayed(const Duration(seconds: 1));
return UserProfileData(name: 'Refreshed', email: 'refresh@example.com');
});
}
/// Method with ref.mounted check (Riverpod 3.0 feature)
Future<void> updateWithMountedCheck(String name) async {
await Future.delayed(const Duration(seconds: 2));
// Check if provider is still mounted after async operation
if (!ref.mounted) return;
state = AsyncValue.data(
UserProfileData(name: name, email: 'email@example.com'),
);
}
}
// Simple data class for example
class UserProfileData {
UserProfileData({required this.name, required this.email});
final String name;
final String email;
UserProfileData copyWith({String? name, String? email}) {
return UserProfileData(
name: name ?? this.name,
email: email ?? this.email,
);
}
}
// ============================================================================
// 6. STREAM NOTIFIER - MUTABLE STATE FROM STREAM
// ============================================================================
/// StreamNotifier for state that comes from a stream but can be modified
/// Use for WebSocket connections with additional actions
@riverpod
class LiveChatNotifier extends _$LiveChatNotifier {
@override
Stream<List<String>> build() {
// Return the stream
return Stream.periodic(
const Duration(seconds: 1),
(count) => ['Message $count'],
);
}
/// Send a new message
Future<void> sendMessage(String message) async {
// Send via WebSocket/API
await Future.delayed(const Duration(milliseconds: 100));
}
}
// ============================================================================
// 7. PROVIDER DEPENDENCIES (COMPOSITION)
// ============================================================================
/// Provider that depends on other providers
@riverpod
Future<String> dashboardData(Ref ref) async {
// Watch other providers
final userData = await ref.watch(userDataProvider.future);
final version = ref.watch(appVersionProvider);
return 'Dashboard for $userData on version $version';
}
/// Provider that selectively watches for optimization
/// Note: userProfileProvider is actually a Family provider (takes userId parameter)
/// In real code, you would use the generated AsyncNotifier provider
@riverpod
String userDisplayName(Ref ref) {
// Example: Watch a simple computed value based on other providers
final version = ref.watch(appVersionProvider);
// In a real app, you would watch the UserProfileNotifier like:
// final asyncProfile = ref.watch(userProfileNotifierProvider);
// return asyncProfile.when(...)
return 'User on version $version';
}
// ============================================================================
// 8. KEEP ALIVE vs AUTO DISPOSE
// ============================================================================
/// By default, generated providers are autoDispose
/// They clean up when no longer used
@riverpod
String autoDisposeExample(Ref ref) {
// This provider will be disposed when no longer watched
ref.onDispose(() {
// Clean up resources
});
return 'Auto disposed';
}
/// Keep alive provider - never auto-disposes
/// Use for global state, singletons, services
@Riverpod(keepAlive: true)
String keepAliveExample(Ref ref) {
// This provider stays alive until the app closes
return 'Kept alive';
}
// ============================================================================
// 9. LIFECYCLE HOOKS
// ============================================================================
/// Provider with lifecycle hooks
@riverpod
String lifecycleExample(Ref ref) {
// Called when provider is first created
ref.onDispose(() {
// Clean up when provider is disposed
print('Provider disposed');
});
ref.onCancel(() {
// Called when last listener is removed (before dispose)
print('Last listener removed');
});
ref.onResume(() {
// Called when a new listener is added after onCancel
print('New listener added');
});
return 'Lifecycle example';
}
// ============================================================================
// 10. INVALIDATION AND REFRESH
// ============================================================================
/// Provider showing how to invalidate and refresh
@riverpod
class DataManager extends _$DataManager {
@override
Future<String> build() async {
await Future.delayed(const Duration(seconds: 1));
return 'Initial data';
}
/// Refresh this provider's data
Future<void> refresh() async {
// Method 1: Use ref.invalidateSelf()
ref.invalidateSelf();
// Method 2: Manually update state
state = const AsyncValue.loading();
state = await AsyncValue.guard(() async {
await Future.delayed(const Duration(seconds: 1));
return 'Refreshed data';
});
}
/// Invalidate another provider
void invalidateOther() {
ref.invalidate(userDataProvider);
}
}
// ============================================================================
// 11. ERROR HANDLING PATTERNS
// ============================================================================
/// Provider with comprehensive error handling
@riverpod
class ErrorHandlingExample extends _$ErrorHandlingExample {
@override
Future<String> build() async {
return await _fetchData();
}
Future<String> _fetchData() async {
try {
// Simulate API call
await Future.delayed(const Duration(seconds: 1));
return 'Success';
} catch (e) {
// Errors are automatically caught by AsyncValue
rethrow;
}
}
/// Update with error handling
Future<void> updateData(String newData) async {
state = const AsyncValue.loading();
// AsyncValue.guard automatically catches errors
state = await AsyncValue.guard(() async {
await Future.delayed(const Duration(milliseconds: 500));
return newData;
});
// Handle the result
state.when(
data: (data) {
// Success
print('Updated successfully: $data');
},
loading: () {
// Still loading
},
error: (error, stack) {
// Handle error
print('Update failed: $error');
},
);
}
}
// ============================================================================
// USAGE IN WIDGETS
// ============================================================================
/*
// 1. Watching a simple provider
final version = ref.watch(appVersionProvider);
// 2. Watching async provider
final userData = ref.watch(userDataProvider);
userData.when(
data: (data) => Text(data),
loading: () => CircularProgressIndicator(),
error: (error, stack) => Text('Error: $error'),
);
// 3. Watching with family (parameters)
final profile = ref.watch(userProfileProvider('user123'));
// 4. Watching state from Notifier
final count = ref.watch(counterProvider);
// 5. Calling Notifier methods
ref.read(counterProvider.notifier).increment();
// 6. Watching AsyncNotifier state
final profileState = ref.watch(userProfileNotifierProvider);
// 7. Calling AsyncNotifier methods
await ref.read(userProfileNotifierProvider.notifier).updateName('New Name');
// 8. Selective watching for optimization
final userName = ref.watch(
userProfileNotifierProvider.select((async) => async.value?.name),
);
// 9. Invalidating a provider
ref.invalidate(userDataProvider);
// 10. Refreshing a provider
ref.refresh(userDataProvider);
// 11. Pattern matching (Dart 3.0+)
final profileState = ref.watch(userProfileNotifierProvider);
switch (profileState) {
case AsyncData(:final value):
return Text(value.name);
case AsyncError(:final error):
return Text('Error: $error');
case AsyncLoading():
return CircularProgressIndicator();
}
*/

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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:worker/core/theme/colors.dart';
import 'package:worker/core/theme/typography.dart';
/// App theme configuration for Material 3 design system
/// Provides both light and dark theme variants
class AppTheme {
// Prevent instantiation
AppTheme._();
// ==================== Light Theme ====================
/// Light theme configuration
static ThemeData lightTheme() {
final ColorScheme colorScheme = ColorScheme.fromSeed(
seedColor: AppColors.primaryBlue,
brightness: Brightness.light,
primary: AppColors.primaryBlue,
secondary: AppColors.lightBlue,
tertiary: AppColors.accentCyan,
error: AppColors.danger,
surface: AppColors.white,
background: AppColors.grey50,
);
return ThemeData(
useMaterial3: true,
colorScheme: colorScheme,
fontFamily: AppTypography.fontFamily,
// ==================== App Bar Theme ====================
appBarTheme: AppBarTheme(
elevation: 0,
centerTitle: true,
backgroundColor: AppColors.primaryBlue,
foregroundColor: AppColors.white,
titleTextStyle: AppTypography.titleLarge.copyWith(
color: AppColors.white,
fontWeight: FontWeight.w600,
),
iconTheme: const IconThemeData(
color: AppColors.white,
size: 24,
),
systemOverlayStyle: SystemUiOverlayStyle.light,
),
// ==================== Card Theme ====================
cardTheme: const CardThemeData(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(12)),
),
clipBehavior: Clip.antiAlias,
color: AppColors.white,
margin: EdgeInsets.symmetric(horizontal: 16, vertical: 8),
),
// ==================== Elevated Button Theme ====================
elevatedButtonTheme: ElevatedButtonThemeData(
style: ElevatedButton.styleFrom(
backgroundColor: AppColors.primaryBlue,
foregroundColor: AppColors.white,
elevation: 2,
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
textStyle: AppTypography.buttonText,
minimumSize: const Size(64, 48),
),
),
// ==================== Text Button Theme ====================
textButtonTheme: TextButtonThemeData(
style: TextButton.styleFrom(
foregroundColor: AppColors.primaryBlue,
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
textStyle: AppTypography.buttonText,
),
),
// ==================== Outlined Button Theme ====================
outlinedButtonTheme: OutlinedButtonThemeData(
style: OutlinedButton.styleFrom(
foregroundColor: AppColors.primaryBlue,
side: const BorderSide(color: AppColors.primaryBlue, width: 1.5),
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
textStyle: AppTypography.buttonText,
minimumSize: const Size(64, 48),
),
),
// ==================== Input Decoration Theme ====================
inputDecorationTheme: InputDecorationTheme(
filled: true,
fillColor: AppColors.white,
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: AppColors.grey100, width: 1),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: AppColors.grey100, width: 1),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: AppColors.primaryBlue, width: 2),
),
errorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: AppColors.danger, width: 1),
),
focusedErrorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: AppColors.danger, width: 2),
),
labelStyle: AppTypography.bodyMedium.copyWith(
color: AppColors.grey500,
),
hintStyle: AppTypography.bodyMedium.copyWith(
color: AppColors.grey500,
),
errorStyle: AppTypography.bodySmall.copyWith(
color: AppColors.danger,
),
),
// ==================== Bottom Navigation Bar Theme ====================
bottomNavigationBarTheme: const BottomNavigationBarThemeData(
backgroundColor: AppColors.white,
selectedItemColor: AppColors.primaryBlue,
unselectedItemColor: AppColors.grey500,
selectedIconTheme: IconThemeData(
size: 28,
color: AppColors.primaryBlue,
),
unselectedIconTheme: IconThemeData(
size: 24,
color: AppColors.grey500,
),
selectedLabelStyle: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w600,
fontFamily: AppTypography.fontFamily,
),
unselectedLabelStyle: TextStyle(
fontSize: 12,
fontWeight: FontWeight.normal,
fontFamily: AppTypography.fontFamily,
),
type: BottomNavigationBarType.fixed,
elevation: 8,
),
// ==================== Floating Action Button Theme ====================
floatingActionButtonTheme: const FloatingActionButtonThemeData(
backgroundColor: AppColors.accentCyan,
foregroundColor: AppColors.white,
elevation: 6,
shape: CircleBorder(),
iconSize: 24,
),
// ==================== Chip Theme ====================
chipTheme: ChipThemeData(
backgroundColor: AppColors.grey50,
selectedColor: AppColors.primaryBlue,
disabledColor: AppColors.grey100,
secondarySelectedColor: AppColors.lightBlue,
labelStyle: AppTypography.labelMedium,
secondaryLabelStyle: AppTypography.labelMedium.copyWith(
color: AppColors.white,
),
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
),
// ==================== Dialog Theme ====================
dialogTheme: const DialogThemeData(
backgroundColor: AppColors.white,
elevation: 8,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(16)),
),
).copyWith(
titleTextStyle: AppTypography.headlineMedium.copyWith(
color: AppColors.grey900,
),
contentTextStyle: AppTypography.bodyLarge.copyWith(
color: AppColors.grey900,
),
),
// ==================== Snackbar Theme ====================
snackBarTheme: SnackBarThemeData(
backgroundColor: AppColors.grey900,
contentTextStyle: AppTypography.bodyMedium.copyWith(
color: AppColors.white,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
behavior: SnackBarBehavior.floating,
elevation: 4,
),
// ==================== Divider Theme ====================
dividerTheme: const DividerThemeData(
color: AppColors.grey100,
thickness: 1,
space: 1,
),
// ==================== Icon Theme ====================
iconTheme: const IconThemeData(
color: AppColors.grey900,
size: 24,
),
// ==================== List Tile Theme ====================
listTileTheme: ListTileThemeData(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
titleTextStyle: AppTypography.titleMedium.copyWith(
color: AppColors.grey900,
),
subtitleTextStyle: AppTypography.bodyMedium.copyWith(
color: AppColors.grey500,
),
iconColor: AppColors.grey500,
),
// ==================== Switch Theme ====================
switchTheme: SwitchThemeData(
thumbColor: MaterialStateProperty.resolveWith((states) {
if (states.contains(MaterialState.selected)) {
return AppColors.primaryBlue;
}
return AppColors.grey500;
}),
trackColor: MaterialStateProperty.resolveWith((states) {
if (states.contains(MaterialState.selected)) {
return AppColors.lightBlue;
}
return AppColors.grey100;
}),
),
// ==================== Checkbox Theme ====================
checkboxTheme: CheckboxThemeData(
fillColor: MaterialStateProperty.resolveWith((states) {
if (states.contains(MaterialState.selected)) {
return AppColors.primaryBlue;
}
return AppColors.white;
}),
checkColor: MaterialStateProperty.all(AppColors.white),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(4),
),
),
// ==================== Radio Theme ====================
radioTheme: RadioThemeData(
fillColor: MaterialStateProperty.resolveWith((states) {
if (states.contains(MaterialState.selected)) {
return AppColors.primaryBlue;
}
return AppColors.grey500;
}),
),
// ==================== Progress Indicator Theme ====================
progressIndicatorTheme: const ProgressIndicatorThemeData(
color: AppColors.primaryBlue,
linearTrackColor: AppColors.grey100,
circularTrackColor: AppColors.grey100,
),
// ==================== Badge Theme ====================
badgeTheme: const BadgeThemeData(
backgroundColor: AppColors.danger,
textColor: AppColors.white,
smallSize: 6,
largeSize: 16,
),
// ==================== Tab Bar Theme ====================
tabBarTheme: const TabBarThemeData(
labelColor: AppColors.primaryBlue,
unselectedLabelColor: AppColors.grey500,
indicatorColor: AppColors.primaryBlue,
).copyWith(
labelStyle: AppTypography.labelLarge,
unselectedLabelStyle: AppTypography.labelLarge,
),
);
}
// ==================== Dark Theme ====================
/// Dark theme configuration
static ThemeData darkTheme() {
final ColorScheme colorScheme = ColorScheme.fromSeed(
seedColor: AppColors.primaryBlue,
brightness: Brightness.dark,
primary: AppColors.lightBlue,
secondary: AppColors.accentCyan,
tertiary: AppColors.primaryBlue,
error: AppColors.danger,
surface: const Color(0xFF1E1E1E),
background: const Color(0xFF121212),
);
return ThemeData(
useMaterial3: true,
colorScheme: colorScheme,
fontFamily: AppTypography.fontFamily,
// ==================== App Bar Theme ====================
appBarTheme: AppBarTheme(
elevation: 0,
centerTitle: true,
backgroundColor: const Color(0xFF1E1E1E),
foregroundColor: AppColors.white,
titleTextStyle: AppTypography.titleLarge.copyWith(
color: AppColors.white,
fontWeight: FontWeight.w600,
),
iconTheme: const IconThemeData(
color: AppColors.white,
size: 24,
),
systemOverlayStyle: SystemUiOverlayStyle.light,
),
// ==================== Card Theme ====================
cardTheme: const CardThemeData(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(12)),
),
clipBehavior: Clip.antiAlias,
color: Color(0xFF1E1E1E),
margin: EdgeInsets.symmetric(horizontal: 16, vertical: 8),
),
// ==================== Elevated Button Theme ====================
elevatedButtonTheme: ElevatedButtonThemeData(
style: ElevatedButton.styleFrom(
backgroundColor: AppColors.lightBlue,
foregroundColor: AppColors.white,
elevation: 2,
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
textStyle: AppTypography.buttonText,
minimumSize: const Size(64, 48),
),
),
// ==================== Input Decoration Theme ====================
inputDecorationTheme: InputDecorationTheme(
filled: true,
fillColor: const Color(0xFF2A2A2A),
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: Color(0xFF3A3A3A), width: 1),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: Color(0xFF3A3A3A), width: 1),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: AppColors.lightBlue, width: 2),
),
errorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: AppColors.danger, width: 1),
),
focusedErrorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: AppColors.danger, width: 2),
),
labelStyle: AppTypography.bodyMedium.copyWith(
color: AppColors.grey500,
),
hintStyle: AppTypography.bodyMedium.copyWith(
color: AppColors.grey500,
),
errorStyle: AppTypography.bodySmall.copyWith(
color: AppColors.danger,
),
),
// ==================== Bottom Navigation Bar Theme ====================
bottomNavigationBarTheme: const BottomNavigationBarThemeData(
backgroundColor: Color(0xFF1E1E1E),
selectedItemColor: AppColors.lightBlue,
unselectedItemColor: AppColors.grey500,
selectedIconTheme: IconThemeData(
size: 28,
color: AppColors.lightBlue,
),
unselectedIconTheme: IconThemeData(
size: 24,
color: AppColors.grey500,
),
selectedLabelStyle: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w600,
fontFamily: AppTypography.fontFamily,
),
unselectedLabelStyle: TextStyle(
fontSize: 12,
fontWeight: FontWeight.normal,
fontFamily: AppTypography.fontFamily,
),
type: BottomNavigationBarType.fixed,
elevation: 8,
),
// ==================== Floating Action Button Theme ====================
floatingActionButtonTheme: const FloatingActionButtonThemeData(
backgroundColor: AppColors.accentCyan,
foregroundColor: AppColors.white,
elevation: 6,
shape: CircleBorder(),
iconSize: 24,
),
// ==================== Snackbar Theme ====================
snackBarTheme: SnackBarThemeData(
backgroundColor: const Color(0xFF2A2A2A),
contentTextStyle: AppTypography.bodyMedium.copyWith(
color: AppColors.white,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
behavior: SnackBarBehavior.floating,
elevation: 4,
),
);
}
}

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import 'package:flutter/material.dart';
/// App color palette following the Worker app design system.
///
/// Primary colors are used for main UI elements, tier colors for membership cards,
/// status colors for feedback, and neutral colors for text and backgrounds.
class AppColors {
// Primary Colors
/// Main brand color - Used for primary buttons, app bar, etc.
static const primaryBlue = Color(0xFF005B9A);
/// Light variant of primary color - Used for highlights and accents
static const lightBlue = Color(0xFF38B6FF);
/// Accent color for special actions - Used for FAB, links, etc.
static const accentCyan = Color(0xFF35C6F4);
// Status Colors
/// Success state - Used for completed actions, positive feedback
static const success = Color(0xFF28a745);
/// Warning state - Used for caution messages, pending states
static const warning = Color(0xFFffc107);
/// Danger/Error state - Used for errors, destructive actions
static const danger = Color(0xFFdc3545);
/// Info state - Used for informational messages
static const info = Color(0xFF17a2b8);
// Neutral Colors
/// Lightest background shade
static const grey50 = Color(0xFFf8f9fa);
/// Light background/border shade
static const grey100 = Color(0xFFe9ecef);
/// Medium grey for secondary text
static const grey500 = Color(0xFF6c757d);
/// Dark grey for primary text
static const grey900 = Color(0xFF343a40);
/// Pure white
static const white = Color(0xFFFFFFFF);
// Tier Gradients for Membership Cards
/// Diamond tier gradient (purple-blue)
static const diamondGradient = LinearGradient(
colors: [Color(0xFF4A00E0), Color(0xFF8E2DE2)],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
);
/// Platinum tier gradient (grey-silver)
static const platinumGradient = LinearGradient(
colors: [Color(0xFF7F8C8D), Color(0xFFBDC3C7)],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
);
/// Gold tier gradient (yellow-orange)
static const goldGradient = LinearGradient(
colors: [Color(0xFFf7b733), Color(0xFFfc4a1a)],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
);
}

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import 'package:flutter/material.dart';
/// App typography system following Material 3 type scale
/// Uses Roboto as the primary font family
class AppTypography {
// Prevent instantiation
AppTypography._();
/// Font family used throughout the app
static const String fontFamily = 'Roboto';
// ==================== Display Styles ====================
/// Display Large - 32sp, Bold
/// Used for: Large hero text, splash screens
static const TextStyle displayLarge = TextStyle(
fontSize: 32,
fontWeight: FontWeight.bold,
fontFamily: fontFamily,
letterSpacing: 0,
height: 1.2,
);
/// Display Medium - 28sp, Semi-bold
/// Used for: Page titles, section headers
static const TextStyle displayMedium = TextStyle(
fontSize: 28,
fontWeight: FontWeight.w600,
fontFamily: fontFamily,
letterSpacing: 0,
height: 1.2,
);
/// Display Small - 24sp, Semi-bold
/// Used for: Sub-section headers
static const TextStyle displaySmall = TextStyle(
fontSize: 24,
fontWeight: FontWeight.w600,
fontFamily: fontFamily,
letterSpacing: 0,
height: 1.3,
);
// ==================== Headline Styles ====================
/// Headline Large - 24sp, Semi-bold
/// Used for: Main headings, dialog titles
static const TextStyle headlineLarge = TextStyle(
fontSize: 24,
fontWeight: FontWeight.w600,
fontFamily: fontFamily,
letterSpacing: 0,
height: 1.3,
);
/// Headline Medium - 20sp, Semi-bold
/// Used for: Card titles, list headers
static const TextStyle headlineMedium = TextStyle(
fontSize: 20,
fontWeight: FontWeight.w600,
fontFamily: fontFamily,
letterSpacing: 0.15,
height: 1.3,
);
/// Headline Small - 18sp, Medium
/// Used for: Small headers, emphasized text
static const TextStyle headlineSmall = TextStyle(
fontSize: 18,
fontWeight: FontWeight.w500,
fontFamily: fontFamily,
letterSpacing: 0.15,
height: 1.4,
);
// ==================== Title Styles ====================
/// Title Large - 20sp, Medium
/// Used for: App bar titles, prominent labels
static const TextStyle titleLarge = TextStyle(
fontSize: 20,
fontWeight: FontWeight.w500,
fontFamily: fontFamily,
letterSpacing: 0.15,
height: 1.4,
);
/// Title Medium - 16sp, Medium
/// Used for: List item titles, card headers
static const TextStyle titleMedium = TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
fontFamily: fontFamily,
letterSpacing: 0.15,
height: 1.5,
);
/// Title Small - 14sp, Medium
/// Used for: Small titles, tab labels
static const TextStyle titleSmall = TextStyle(
fontSize: 14,
fontWeight: FontWeight.w500,
fontFamily: fontFamily,
letterSpacing: 0.1,
height: 1.5,
);
// ==================== Body Styles ====================
/// Body Large - 16sp, Regular
/// Used for: Main body text, descriptions
static const TextStyle bodyLarge = TextStyle(
fontSize: 16,
fontWeight: FontWeight.normal,
fontFamily: fontFamily,
letterSpacing: 0.5,
height: 1.5,
);
/// Body Medium - 14sp, Regular
/// Used for: Secondary body text, captions
static const TextStyle bodyMedium = TextStyle(
fontSize: 14,
fontWeight: FontWeight.normal,
fontFamily: fontFamily,
letterSpacing: 0.25,
height: 1.5,
);
/// Body Small - 12sp, Regular
/// Used for: Small body text, helper text
static const TextStyle bodySmall = TextStyle(
fontSize: 12,
fontWeight: FontWeight.normal,
fontFamily: fontFamily,
letterSpacing: 0.4,
height: 1.5,
);
// ==================== Label Styles ====================
/// Label Large - 14sp, Medium
/// Used for: Button text, input labels
static const TextStyle labelLarge = TextStyle(
fontSize: 14,
fontWeight: FontWeight.w500,
fontFamily: fontFamily,
letterSpacing: 0.1,
height: 1.4,
);
/// Label Medium - 12sp, Medium
/// Used for: Small button text, chips
static const TextStyle labelMedium = TextStyle(
fontSize: 12,
fontWeight: FontWeight.w500,
fontFamily: fontFamily,
letterSpacing: 0.5,
height: 1.4,
);
/// Label Small - 12sp, Regular
/// Used for: Overline text, tags, badges
static const TextStyle labelSmall = TextStyle(
fontSize: 12,
fontWeight: FontWeight.normal,
fontFamily: fontFamily,
letterSpacing: 0.5,
height: 1.4,
);
// ==================== Special Purpose Styles ====================
/// Points Display - 28sp, Bold
/// Used for: Loyalty points display on member cards
static const TextStyle pointsDisplay = TextStyle(
fontSize: 28,
fontWeight: FontWeight.bold,
fontFamily: fontFamily,
letterSpacing: 0,
height: 1.2,
);
/// Price Large - 20sp, Bold
/// Used for: Product prices, totals
static const TextStyle priceLarge = TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
fontFamily: fontFamily,
letterSpacing: 0,
height: 1.3,
);
/// Price Medium - 16sp, Semi-bold
/// Used for: List item prices
static const TextStyle priceMedium = TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
fontFamily: fontFamily,
letterSpacing: 0,
height: 1.3,
);
/// Price Small - 14sp, Semi-bold
/// Used for: Small price displays
static const TextStyle priceSmall = TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
fontFamily: fontFamily,
letterSpacing: 0,
height: 1.3,
);
/// Button Text - 14sp, Medium
/// Used for: All button labels
static const TextStyle buttonText = TextStyle(
fontSize: 14,
fontWeight: FontWeight.w500,
fontFamily: fontFamily,
letterSpacing: 1.25,
height: 1.0,
);
/// Overline - 10sp, Medium, Uppercase
/// Used for: Section labels, categories
static const TextStyle overline = TextStyle(
fontSize: 10,
fontWeight: FontWeight.w500,
fontFamily: fontFamily,
letterSpacing: 1.5,
height: 1.6,
);
/// Caption - 12sp, Regular
/// Used for: Image captions, timestamps
static const TextStyle caption = TextStyle(
fontSize: 12,
fontWeight: FontWeight.normal,
fontFamily: fontFamily,
letterSpacing: 0.4,
height: 1.33,
);
}

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# Localization Extensions - Quick Start Guide
## Using Localization in the Worker App
This file demonstrates how to use the localization utilities in the Worker Flutter app.
## Basic Usage
### 1. Import the Extension
```dart
import 'package:worker/core/utils/l10n_extensions.dart';
```
### 2. Access Translations
```dart
// In any widget with BuildContext
class MyWidget extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Column(
children: [
Text(context.l10n.home), // "Trang chủ" or "Home"
Text(context.l10n.products), // "Sản phẩm" or "Products"
Text(context.l10n.loyalty), // "Hội viên" or "Loyalty"
],
);
}
}
```
## Helper Functions
### Date and Time
```dart
// Format date
final dateStr = L10nHelper.formatDate(context, DateTime.now());
// Vietnamese: "17/10/2025"
// English: "10/17/2025"
// Format date-time
final dateTimeStr = L10nHelper.formatDateTime(context, DateTime.now());
// Vietnamese: "17/10/2025 lúc 14:30"
// English: "10/17/2025 at 14:30"
// Relative time
final relativeTime = L10nHelper.formatRelativeTime(
context,
DateTime.now().subtract(Duration(minutes: 5)),
);
// Vietnamese: "5 phút trước"
// English: "5 minutes ago"
```
### Currency
```dart
// Format Vietnamese Dong
final price = L10nHelper.formatCurrency(context, 1500000);
// Vietnamese: "1.500.000 ₫"
// English: "1,500,000 ₫"
```
### Status Helpers
```dart
// Get localized order status
final status = L10nHelper.getOrderStatus(context, 'pending');
// Vietnamese: "Chờ xử lý"
// English: "Pending"
// Get localized project status
final projectStatus = L10nHelper.getProjectStatus(context, 'in_progress');
// Vietnamese: "Đang thực hiện"
// English: "In Progress"
// Get localized member tier
final tier = L10nHelper.getMemberTier(context, 'diamond');
// Vietnamese: "Kim cương"
// English: "Diamond"
// Get localized user type
final userType = L10nHelper.getUserType(context, 'contractor');
// Vietnamese: "Thầu thợ"
// English: "Contractor"
```
### Counts with Pluralization
```dart
// Format points with sign
final points = L10nHelper.formatPoints(context, 100);
// Vietnamese: "+100 điểm"
// English: "+100 points"
// Format item count
final items = L10nHelper.formatItemCount(context, 5);
// Vietnamese: "5 sản phẩm"
// English: "5 items"
// Format order count
final orders = L10nHelper.formatOrderCount(context, 3);
// Vietnamese: "3 đơn hàng"
// English: "3 orders"
// Format project count
final projects = L10nHelper.formatProjectCount(context, 2);
// Vietnamese: "2 công trình"
// English: "2 projects"
// Format days remaining
final days = L10nHelper.formatDaysRemaining(context, 7);
// Vietnamese: "Còn 7 ngày"
// English: "7 days left"
```
## Context Extensions
### Language Checks
```dart
// Get current language code
final languageCode = context.languageCode; // "vi" or "en"
// Check if Vietnamese
if (context.isVietnamese) {
// Do something specific for Vietnamese
}
// Check if English
if (context.isEnglish) {
// Do something specific for English
}
```
## Parameterized Translations
```dart
// Simple parameter
final welcome = context.l10n.welcomeTo('Worker App');
// Vietnamese: "Chào mừng đến với Worker App"
// English: "Welcome to Worker App"
// Multiple parameters
final message = context.l10n.pointsToNextTier(500, 'Platinum');
// Vietnamese: "Còn 500 điểm để lên hạng Platinum"
// English: "500 points to reach Platinum"
// Order number
final orderNum = context.l10n.orderNumberIs('ORD-2024-001');
// Vietnamese: "Số đơn hàng: ORD-2024-001"
// English: "Order Number: ORD-2024-001"
// Redeem confirmation
final confirm = context.l10n.redeemConfirmMessage(500, 'Gift Voucher');
// Vietnamese: "Bạn có chắc chắn muốn đổi 500 điểm để nhận Gift Voucher?"
// English: "Are you sure you want to redeem 500 points for Gift Voucher?"
```
## Complete Example
```dart
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:worker/core/utils/l10n_extensions.dart';
class OrderDetailPage extends ConsumerWidget {
final Order order;
const OrderDetailPage({required this.order});
@override
Widget build(BuildContext context, WidgetRef ref) {
return Scaffold(
appBar: AppBar(
title: Text(context.l10n.orderDetails),
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Order number
Text(
context.l10n.orderNumberIs(order.orderNumber),
style: Theme.of(context).textTheme.titleLarge,
),
const SizedBox(height: 8),
// Order date
Text(
'${context.l10n.orderDate}: ${L10nHelper.formatDate(context, order.createdAt)}',
),
const SizedBox(height: 8),
// Order status
Row(
children: [
Text(context.l10n.orderStatus + ': '),
Chip(
label: Text(
L10nHelper.getOrderStatus(context, order.status),
),
),
],
),
const SizedBox(height: 16),
// Items count
Text(
L10nHelper.formatItemCount(context, order.items.length),
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 16),
// Total amount
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
context.l10n.total,
style: Theme.of(context).textTheme.titleMedium,
),
Text(
L10nHelper.formatCurrency(context, order.total),
style: Theme.of(context).textTheme.titleLarge?.copyWith(
color: Theme.of(context).colorScheme.primary,
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 24),
// Relative time
Text(
'${context.l10n.orderPlacedAt} ${L10nHelper.formatRelativeTime(context, order.createdAt)}',
style: Theme.of(context).textTheme.bodySmall,
),
],
),
),
);
}
}
```
## Best Practices
1. **Always use `context.l10n` instead of `AppLocalizations.of(context)!`**
- Shorter and cleaner
- Consistent throughout the codebase
2. **Use helper functions for formatting**
- `L10nHelper.formatCurrency()` instead of manual formatting
- `L10nHelper.formatDate()` for locale-aware dates
- `L10nHelper.getOrderStatus()` for localized status strings
3. **Check language when needed**
- Use `context.isVietnamese` and `context.isEnglish`
- Useful for conditional rendering or logic
4. **Never hard-code strings**
- Always use translation keys
- Supports both Vietnamese and English automatically
5. **Test both languages**
- Switch device language to test
- Verify text fits in UI for both languages
## See Also
- Full documentation: `/Users/ssg/project/worker/LOCALIZATION.md`
- Vietnamese translations: `/Users/ssg/project/worker/lib/l10n/app_vi.arb`
- English translations: `/Users/ssg/project/worker/lib/l10n/app_en.arb`
- Helper source code: `/Users/ssg/project/worker/lib/core/utils/l10n_extensions.dart`

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/// Dart Extension Methods
///
/// Provides useful extension methods for common data types
/// used throughout the app.
library;
import 'dart:math' as math;
import 'package:flutter/material.dart';
// ============================================================================
// String Extensions
// ============================================================================
extension StringExtensions on String {
/// Check if string is null or empty
bool get isNullOrEmpty => trim().isEmpty;
/// Check if string is not null and not empty
bool get isNotNullOrEmpty => trim().isNotEmpty;
/// Capitalize first letter
String get capitalize {
if (isEmpty) return this;
return '${this[0].toUpperCase()}${substring(1)}';
}
/// Capitalize each word
String get capitalizeWords {
if (isEmpty) return this;
return split(' ').map((word) => word.capitalize).join(' ');
}
/// Convert to title case
String get titleCase => capitalizeWords;
/// Remove all whitespace
String get removeWhitespace => replaceAll(RegExp(r'\s+'), '');
/// Check if string is a valid email
bool get isEmail {
final emailRegex = RegExp(
r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$',
);
return emailRegex.hasMatch(this);
}
/// Check if string is a valid Vietnamese phone number
bool get isPhoneNumber {
final phoneRegex = RegExp(r'^(0|\+?84)(3|5|7|8|9)[0-9]{8}$');
return phoneRegex.hasMatch(replaceAll(RegExp(r'[^\d+]'), ''));
}
/// Check if string is numeric
bool get isNumeric {
return double.tryParse(this) != null;
}
/// Convert string to int (returns null if invalid)
int? get toIntOrNull => int.tryParse(this);
/// Convert string to double (returns null if invalid)
double? get toDoubleOrNull => double.tryParse(this);
/// Truncate string with ellipsis
String truncate(int maxLength, {String ellipsis = '...'}) {
if (length <= maxLength) return this;
return '${substring(0, maxLength - ellipsis.length)}$ellipsis';
}
/// Remove Vietnamese diacritics
String get removeDiacritics {
const withDiacritics =
'àáạảãâầấậẩẫăằắặẳẵèéẹẻẽêềếệểễìíịỉĩòóọỏõôồốộổỗơờớợởỡùúụủũưừứựửữỳýỵỷỹđ';
const withoutDiacritics =
'aaaaaaaaaaaaaaaaaeeeeeeeeeeeiiiiioooooooooooooooooouuuuuuuuuuuyyyyyd';
var result = toLowerCase();
for (var i = 0; i < withDiacritics.length; i++) {
result = result.replaceAll(withDiacritics[i], withoutDiacritics[i]);
}
return result;
}
/// Convert to URL-friendly slug
String get slugify {
var slug = removeDiacritics;
slug = slug.toLowerCase();
slug = slug.replaceAll(RegExp(r'[^\w\s-]'), '');
slug = slug.replaceAll(RegExp(r'[-\s]+'), '-');
return slug;
}
/// Mask email (e.g., "j***@example.com")
String get maskEmail {
if (!isEmail) return this;
final parts = split('@');
final name = parts[0];
final maskedName = name.length > 2
? '${name[0]}${'*' * (name.length - 1)}'
: name;
return '$maskedName@${parts[1]}';
}
/// Mask phone number (e.g., "0xxx xxx ***")
String get maskPhone {
final cleaned = replaceAll(RegExp(r'\D'), '');
if (cleaned.length < 10) return this;
return '${cleaned.substring(0, 4)} ${cleaned.substring(4, 7)} ***';
}
}
// ============================================================================
// DateTime Extensions
// ============================================================================
extension DateTimeExtensions on DateTime {
/// Check if date is today
bool get isToday {
final now = DateTime.now();
return year == now.year && month == now.month && day == now.day;
}
/// Check if date is yesterday
bool get isYesterday {
final yesterday = DateTime.now().subtract(const Duration(days: 1));
return year == yesterday.year &&
month == yesterday.month &&
day == yesterday.day;
}
/// Check if date is tomorrow
bool get isTomorrow {
final tomorrow = DateTime.now().add(const Duration(days: 1));
return year == tomorrow.year &&
month == tomorrow.month &&
day == tomorrow.day;
}
/// Check if date is in the past
bool get isPast => isBefore(DateTime.now());
/// Check if date is in the future
bool get isFuture => isAfter(DateTime.now());
/// Get start of day (00:00:00)
DateTime get startOfDay => DateTime(year, month, day);
/// Get end of day (23:59:59)
DateTime get endOfDay => DateTime(year, month, day, 23, 59, 59, 999);
/// Get start of month
DateTime get startOfMonth => DateTime(year, month, 1);
/// Get end of month
DateTime get endOfMonth => DateTime(year, month + 1, 0, 23, 59, 59, 999);
/// Get start of year
DateTime get startOfYear => DateTime(year, 1, 1);
/// Get end of year
DateTime get endOfYear => DateTime(year, 12, 31, 23, 59, 59, 999);
/// Add days
DateTime addDays(int days) => add(Duration(days: days));
/// Subtract days
DateTime subtractDays(int days) => subtract(Duration(days: days));
/// Add months
DateTime addMonths(int months) => DateTime(year, month + months, day);
/// Subtract months
DateTime subtractMonths(int months) => DateTime(year, month - months, day);
/// Add years
DateTime addYears(int years) => DateTime(year + years, month, day);
/// Subtract years
DateTime subtractYears(int years) => DateTime(year - years, month, day);
/// Get age in years from this date
int get ageInYears {
final today = DateTime.now();
var age = today.year - year;
if (today.month < month || (today.month == month && today.day < day)) {
age--;
}
return age;
}
/// Get difference in days from now
int get daysFromNow => DateTime.now().difference(this).inDays;
/// Get difference in hours from now
int get hoursFromNow => DateTime.now().difference(this).inHours;
/// Get difference in minutes from now
int get minutesFromNow => DateTime.now().difference(this).inMinutes;
/// Copy with new values
DateTime copyWith({
int? year,
int? month,
int? day,
int? hour,
int? minute,
int? second,
int? millisecond,
int? microsecond,
}) {
return DateTime(
year ?? this.year,
month ?? this.month,
day ?? this.day,
hour ?? this.hour,
minute ?? this.minute,
second ?? this.second,
millisecond ?? this.millisecond,
microsecond ?? this.microsecond,
);
}
}
// ============================================================================
// Duration Extensions
// ============================================================================
extension DurationExtensions on Duration {
/// Format duration as readable string (e.g., "2 giờ 30 phút")
String get formatted {
final hours = inHours;
final minutes = inMinutes.remainder(60);
final seconds = inSeconds.remainder(60);
if (hours > 0) {
if (minutes > 0) {
return '$hours giờ $minutes phút';
}
return '$hours giờ';
} else if (minutes > 0) {
if (seconds > 0) {
return '$minutes phút $seconds giây';
}
return '$minutes phút';
} else {
return '$seconds giây';
}
}
/// Format as HH:MM:SS
String get hhmmss {
final hours = inHours;
final minutes = inMinutes.remainder(60);
final seconds = inSeconds.remainder(60);
return '${hours.toString().padLeft(2, '0')}:'
'${minutes.toString().padLeft(2, '0')}:'
'${seconds.toString().padLeft(2, '0')}';
}
/// Format as MM:SS
String get mmss {
final minutes = inMinutes.remainder(60);
final seconds = inSeconds.remainder(60);
return '${minutes.toString().padLeft(2, '0')}:'
'${seconds.toString().padLeft(2, '0')}';
}
}
// ============================================================================
// List Extensions
// ============================================================================
extension ListExtensions<T> on List<T> {
/// Get first element or null if list is empty
T? get firstOrNull => isEmpty ? null : first;
/// Get last element or null if list is empty
T? get lastOrNull => isEmpty ? null : last;
/// Get element at index or null if out of bounds
T? elementAtOrNull(int index) {
if (index < 0 || index >= length) return null;
return this[index];
}
/// Group list by key
Map<K, List<T>> groupBy<K>(K Function(T) keySelector) {
final map = <K, List<T>>{};
for (final element in this) {
final key = keySelector(element);
if (!map.containsKey(key)) {
map[key] = [];
}
map[key]!.add(element);
}
return map;
}
/// Get distinct elements
List<T> get distinct => toSet().toList();
/// Get distinct elements by key
List<T> distinctBy<K>(K Function(T) keySelector) {
final seen = <K>{};
return where((element) => seen.add(keySelector(element))).toList();
}
/// Chunk list into smaller lists of specified size
List<List<T>> chunk(int size) {
final chunks = <List<T>>[];
for (var i = 0; i < length; i += size) {
chunks.add(sublist(i, (i + size) > length ? length : (i + size)));
}
return chunks;
}
}
// ============================================================================
// Map Extensions
// ============================================================================
extension MapExtensions<K, V> on Map<K, V> {
/// Get value or default if key doesn't exist
V getOrDefault(K key, V defaultValue) {
return containsKey(key) ? this[key] as V : defaultValue;
}
/// Get value or null if key doesn't exist
V? getOrNull(K key) {
return containsKey(key) ? this[key] : null;
}
}
// ============================================================================
// BuildContext Extensions
// ============================================================================
extension BuildContextExtensions on BuildContext {
/// Get screen size
Size get screenSize => MediaQuery.of(this).size;
/// Get screen width
double get screenWidth => MediaQuery.of(this).size.width;
/// Get screen height
double get screenHeight => MediaQuery.of(this).size.height;
/// Check if screen is small (<600dp)
bool get isSmallScreen => MediaQuery.of(this).size.width < 600;
/// Check if screen is medium (600-960dp)
bool get isMediumScreen {
final width = MediaQuery.of(this).size.width;
return width >= 600 && width < 960;
}
/// Check if screen is large (>=960dp)
bool get isLargeScreen => MediaQuery.of(this).size.width >= 960;
/// Get theme
ThemeData get theme => Theme.of(this);
/// Get text theme
TextTheme get textTheme => Theme.of(this).textTheme;
/// Get color scheme
ColorScheme get colorScheme => Theme.of(this).colorScheme;
/// Get primary color
Color get primaryColor => Theme.of(this).primaryColor;
/// Check if dark mode is enabled
bool get isDarkMode => Theme.of(this).brightness == Brightness.dark;
/// Get safe area padding
EdgeInsets get safeAreaPadding => MediaQuery.of(this).padding;
/// Get bottom safe area padding (for devices with notch)
double get bottomSafeArea => MediaQuery.of(this).padding.bottom;
/// Get top safe area padding (for status bar)
double get topSafeArea => MediaQuery.of(this).padding.top;
/// Show snackbar
void showSnackBar(String message, {Duration? duration}) {
ScaffoldMessenger.of(this).showSnackBar(
SnackBar(
content: Text(message),
duration: duration ?? const Duration(seconds: 3),
),
);
}
/// Show error snackbar
void showErrorSnackBar(String message, {Duration? duration}) {
ScaffoldMessenger.of(this).showSnackBar(
SnackBar(
content: Text(message),
backgroundColor: colorScheme.error,
duration: duration ?? const Duration(seconds: 4),
),
);
}
/// Show success snackbar
void showSuccessSnackBar(String message, {Duration? duration}) {
ScaffoldMessenger.of(this).showSnackBar(
SnackBar(
content: Text(message),
backgroundColor: Colors.green,
duration: duration ?? const Duration(seconds: 3),
),
);
}
/// Hide keyboard
void hideKeyboard() {
FocusScope.of(this).unfocus();
}
/// Navigate to route
Future<T?> push<T>(Widget page) {
return Navigator.of(this).push<T>(
MaterialPageRoute(builder: (_) => page),
);
}
/// Navigate and replace current route
Future<T?> pushReplacement<T>(Widget page) {
return Navigator.of(this).pushReplacement<T, void>(
MaterialPageRoute(builder: (_) => page),
);
}
/// Pop current route
void pop<T>([T? result]) {
Navigator.of(this).pop(result);
}
/// Pop until first route
void popUntilFirst() {
Navigator.of(this).popUntil((route) => route.isFirst);
}
}
// ============================================================================
// Num Extensions
// ============================================================================
extension NumExtensions on num {
/// Check if number is positive
bool get isPositive => this > 0;
/// Check if number is negative
bool get isNegative => this < 0;
/// Check if number is zero
bool get isZero => this == 0;
/// Clamp number between min and max
num clampTo(num min, num max) => clamp(min, max);
/// Round to specified decimal places
double roundToDecimal(int places) {
final mod = math.pow(10.0, places);
return ((this * mod).round().toDouble() / mod);
}
}

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/// Data Formatters for Vietnamese Locale
///
/// Provides formatting utilities for currency, dates, phone numbers,
/// and other data types commonly used in the app.
library;
import 'package:intl/intl.dart';
/// Currency formatter for Vietnamese Dong (VND)
class CurrencyFormatter {
CurrencyFormatter._();
/// Format amount as Vietnamese currency (e.g., "100,000 ₫")
static String format(double amount, {bool showSymbol = true}) {
final formatter = NumberFormat.currency(
locale: 'vi_VN',
symbol: showSymbol ? '₫' : '',
decimalDigits: 0,
);
return formatter.format(amount);
}
/// Format amount with custom precision
static String formatWithDecimals(
double amount, {
int decimalDigits = 2,
bool showSymbol = true,
}) {
final formatter = NumberFormat.currency(
locale: 'vi_VN',
symbol: showSymbol ? '₫' : '',
decimalDigits: decimalDigits,
);
return formatter.format(amount);
}
/// Format as compact currency (e.g., "1.5M ₫")
static String formatCompact(double amount, {bool showSymbol = true}) {
final formatter = NumberFormat.compactCurrency(
locale: 'vi_VN',
symbol: showSymbol ? '₫' : '',
decimalDigits: 1,
);
return formatter.format(amount);
}
/// Parse currency string to double
static double? parse(String value) {
try {
// Remove currency symbol and spaces
final cleaned = value.replaceAll(RegExp(r'[₫\s,]'), '');
return double.tryParse(cleaned);
} catch (e) {
return null;
}
}
}
/// Date and time formatter
class DateFormatter {
DateFormatter._();
/// Format date as "dd/MM/yyyy" (Vietnamese format)
static String formatDate(DateTime date) {
final formatter = DateFormat('dd/MM/yyyy', 'vi_VN');
return formatter.format(date);
}
/// Format date as "dd-MM-yyyy"
static String formatDateDash(DateTime date) {
final formatter = DateFormat('dd-MM-yyyy', 'vi_VN');
return formatter.format(date);
}
/// Format time as "HH:mm"
static String formatTime(DateTime date) {
final formatter = DateFormat('HH:mm', 'vi_VN');
return formatter.format(date);
}
/// Format date and time as "dd/MM/yyyy HH:mm"
static String formatDateTime(DateTime date) {
final formatter = DateFormat('dd/MM/yyyy HH:mm', 'vi_VN');
return formatter.format(date);
}
/// Format date as "dd/MM/yyyy lúc HH:mm"
static String formatDateTimeVN(DateTime date) {
final formatter = DateFormat('dd/MM/yyyy', 'vi_VN');
final timeFormatter = DateFormat('HH:mm', 'vi_VN');
return '${formatter.format(date)} lúc ${timeFormatter.format(date)}';
}
/// Format as relative time (e.g., "2 giờ trước")
static String formatRelative(DateTime date) {
final now = DateTime.now();
final difference = now.difference(date);
if (difference.inSeconds < 60) {
return 'Vừa xong';
} else if (difference.inMinutes < 60) {
return '${difference.inMinutes} phút trước';
} else if (difference.inHours < 24) {
return '${difference.inHours} giờ trước';
} else if (difference.inDays < 7) {
return '${difference.inDays} ngày trước';
} else if (difference.inDays < 30) {
final weeks = (difference.inDays / 7).floor();
return '$weeks tuần trước';
} else if (difference.inDays < 365) {
final months = (difference.inDays / 30).floor();
return '$months tháng trước';
} else {
final years = (difference.inDays / 365).floor();
return '$years năm trước';
}
}
/// Format as day of week (e.g., "Thứ Hai")
static String formatDayOfWeek(DateTime date) {
final formatter = DateFormat('EEEE', 'vi_VN');
return formatter.format(date);
}
/// Format as month and year (e.g., "Tháng 10 năm 2024")
static String formatMonthYear(DateTime date) {
final formatter = DateFormat('MMMM yyyy', 'vi_VN');
return formatter.format(date);
}
/// Format as full date with day of week (e.g., "Thứ Hai, 17/10/2024")
static String formatFullDate(DateTime date) {
final dayOfWeek = formatDayOfWeek(date);
final dateStr = formatDate(date);
return '$dayOfWeek, $dateStr';
}
/// Parse date string in format "dd/MM/yyyy"
static DateTime? parseDate(String dateStr) {
try {
final formatter = DateFormat('dd/MM/yyyy');
return formatter.parse(dateStr);
} catch (e) {
return null;
}
}
/// Parse datetime string in format "dd/MM/yyyy HH:mm"
static DateTime? parseDateTime(String dateTimeStr) {
try {
final formatter = DateFormat('dd/MM/yyyy HH:mm');
return formatter.parse(dateTimeStr);
} catch (e) {
return null;
}
}
}
/// Phone number formatter for Vietnamese phone numbers
class PhoneFormatter {
PhoneFormatter._();
/// Format phone number as "(0xxx) xxx xxx"
static String format(String phone) {
// Remove all non-digit characters
final cleaned = phone.replaceAll(RegExp(r'\D'), '');
if (cleaned.isEmpty) return '';
// Handle Vietnamese phone number formats
if (cleaned.startsWith('84')) {
// +84 format
final local = cleaned.substring(2);
if (local.length >= 9) {
return '(+84${local.substring(0, 2)}) ${local.substring(2, 5)} ${local.substring(5)}';
}
} else if (cleaned.startsWith('0')) {
// 0xxx format
if (cleaned.length >= 10) {
return '(${cleaned.substring(0, 4)}) ${cleaned.substring(4, 7)} ${cleaned.substring(7)}';
}
}
return phone; // Return original if format doesn't match
}
/// Format as international number (+84xxx xxx xxx)
static String formatInternational(String phone) {
final cleaned = phone.replaceAll(RegExp(r'\D'), '');
if (cleaned.isEmpty) return '';
if (cleaned.startsWith('0')) {
// Convert 0xxx to +84xxx
final local = cleaned.substring(1);
if (local.length >= 9) {
return '+84${local.substring(0, 2)} ${local.substring(2, 5)} ${local.substring(5)}';
}
} else if (cleaned.startsWith('84')) {
final local = cleaned.substring(2);
if (local.length >= 9) {
return '+84${local.substring(0, 2)} ${local.substring(2, 5)} ${local.substring(5)}';
}
}
return phone;
}
/// Remove formatting to get clean phone number
static String clean(String phone) {
return phone.replaceAll(RegExp(r'\D'), '');
}
/// Convert to E.164 format (+84xxxxxxxxx)
static String toE164(String phone) {
final cleaned = clean(phone);
if (cleaned.startsWith('0')) {
return '+84${cleaned.substring(1)}';
} else if (cleaned.startsWith('84')) {
return '+$cleaned';
} else if (cleaned.startsWith('+84')) {
return cleaned;
}
return '+84$cleaned';
}
/// Mask phone number (e.g., "0xxx xxx ***")
static String mask(String phone) {
final cleaned = clean(phone);
if (cleaned.length >= 10) {
return '${cleaned.substring(0, 4)} ${cleaned.substring(4, 7)} ***';
}
return phone;
}
}
/// Number formatter
class NumberFormatter {
NumberFormatter._();
/// Format number with thousand separators
static String format(num number, {int decimalDigits = 0}) {
final formatter = NumberFormat('#,###', 'vi_VN');
if (decimalDigits > 0) {
return formatter.format(number);
}
return formatter.format(number.round());
}
/// Format as percentage
static String formatPercentage(
double value, {
int decimalDigits = 0,
bool showSymbol = true,
}) {
final formatter = NumberFormat.percentPattern('vi_VN');
formatter.maximumFractionDigits = decimalDigits;
formatter.minimumFractionDigits = decimalDigits;
final result = formatter.format(value / 100);
return showSymbol ? result : result.replaceAll('%', '');
}
/// Format as compact number (e.g., "1.5K")
static String formatCompact(num number) {
final formatter = NumberFormat.compact(locale: 'vi_VN');
return formatter.format(number);
}
/// Format file size
static String formatBytes(int bytes, {int decimals = 2}) {
if (bytes <= 0) return '0 B';
const suffixes = ['B', 'KB', 'MB', 'GB', 'TB'];
final i = (bytes.bitLength - 1) ~/ 10;
final value = bytes / (1 << (i * 10));
return '${value.toStringAsFixed(decimals)} ${suffixes[i]}';
}
/// Format duration (e.g., "1:30:45")
static String formatDuration(Duration duration) {
final hours = duration.inHours;
final minutes = duration.inMinutes.remainder(60);
final seconds = duration.inSeconds.remainder(60);
if (hours > 0) {
return '${hours.toString().padLeft(2, '0')}:${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
} else {
return '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
}
}
}
/// Text formatter utilities
class TextFormatter {
TextFormatter._();
/// Capitalize first letter
static String capitalize(String text) {
if (text.isEmpty) return text;
return text[0].toUpperCase() + text.substring(1);
}
/// Capitalize each word
static String capitalizeWords(String text) {
if (text.isEmpty) return text;
return text.split(' ').map((word) => capitalize(word)).join(' ');
}
/// Truncate text with ellipsis
static String truncate(String text, int maxLength, {String ellipsis = '...'}) {
if (text.length <= maxLength) return text;
return text.substring(0, maxLength - ellipsis.length) + ellipsis;
}
/// Remove diacritics from Vietnamese text
static String removeDiacritics(String text) {
const withDiacritics = 'àáạảãâầấậẩẫăằắặẳẵèéẹẻẽêềếệểễìíịỉĩòóọỏõôồốộổỗơờớợởỡùúụủũưừứựửữỳýỵỷỹđ';
const withoutDiacritics = 'aaaaaaaaaaaaaaaaaeeeeeeeeeeeiiiiioooooooooooooooooouuuuuuuuuuuyyyyyd';
var result = text.toLowerCase();
for (var i = 0; i < withDiacritics.length; i++) {
result = result.replaceAll(withDiacritics[i], withoutDiacritics[i]);
}
return result;
}
/// Create URL-friendly slug
static String slugify(String text) {
var slug = removeDiacritics(text);
slug = slug.toLowerCase();
slug = slug.replaceAll(RegExp(r'[^\w\s-]'), '');
slug = slug.replaceAll(RegExp(r'[-\s]+'), '-');
return slug;
}
}
/// Loyalty tier formatter
class LoyaltyFormatter {
LoyaltyFormatter._();
/// Format tier name in Vietnamese
static String formatTier(String tier) {
switch (tier.toLowerCase()) {
case 'diamond':
return 'Kim Cương';
case 'platinum':
return 'Bạch Kim';
case 'gold':
return 'Vàng';
default:
return tier;
}
}
/// Format points with label
static String formatPoints(int points) {
return '${NumberFormatter.format(points)} điểm';
}
/// Format points progress (e.g., "1,200 / 5,000 điểm")
static String formatPointsProgress(int current, int target) {
return '${NumberFormatter.format(current)} / ${NumberFormatter.format(target)} điểm';
}
}

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import 'package:flutter/widgets.dart';
import 'package:worker/generated/l10n/app_localizations.dart';
/// Extension for easy access to AppLocalizations
///
/// This extension provides convenient access to localization strings
/// throughout the app without having to write `AppLocalizations.of(context)!`
/// every time.
///
/// Usage:
/// ```dart
/// // Instead of:
/// Text(AppLocalizations.of(context)!.login)
///
/// // You can use:
/// Text(context.l10n.login)
/// ```
extension L10nExtension on BuildContext {
/// Get the current AppLocalizations instance
///
/// This getter provides quick access to all localized strings.
/// It will throw an error if called before the app is initialized,
/// which helps catch localization issues during development.
AppLocalizations get l10n => AppLocalizations.of(this)!;
/// Get the current locale language code (e.g., 'vi', 'en')
String get languageCode => Localizations.localeOf(this).languageCode;
/// Check if the current locale is Vietnamese
bool get isVietnamese => languageCode == 'vi';
/// Check if the current locale is English
bool get isEnglish => languageCode == 'en';
}
/// Helper class for common localization patterns
///
/// This class provides utility methods for formatting dates, times,
/// currencies, and other locale-specific data.
class L10nHelper {
const L10nHelper._();
/// Format a DateTime to localized date string (DD/MM/YYYY for Vietnamese, MM/DD/YYYY for English)
///
/// Example:
/// ```dart
/// final dateStr = L10nHelper.formatDate(context, DateTime.now());
/// // Vietnamese: "17/10/2025"
/// // English: "10/17/2025"
/// ```
static String formatDate(BuildContext context, DateTime date) {
final day = date.day.toString().padLeft(2, '0');
final month = date.month.toString().padLeft(2, '0');
final year = date.year.toString();
return context.l10n.formatDate(day, month, year);
}
/// Format a DateTime to localized date-time string
///
/// Example:
/// ```dart
/// final dateTimeStr = L10nHelper.formatDateTime(context, DateTime.now());
/// // Vietnamese: "17/10/2025 lúc 14:30"
/// // English: "10/17/2025 at 14:30"
/// ```
static String formatDateTime(BuildContext context, DateTime dateTime) {
final day = dateTime.day.toString().padLeft(2, '0');
final month = dateTime.month.toString().padLeft(2, '0');
final year = dateTime.year.toString();
final hour = dateTime.hour.toString().padLeft(2, '0');
final minute = dateTime.minute.toString().padLeft(2, '0');
return context.l10n.formatDateTime(day, month, year, hour, minute);
}
/// Format a number as Vietnamese Dong currency
///
/// Example:
/// ```dart
/// final price = L10nHelper.formatCurrency(context, 1500000);
/// // Returns: "1.500.000 ₫"
/// ```
static String formatCurrency(BuildContext context, double amount) {
final formatted = context.isVietnamese
? _formatNumberVietnamese(amount)
: _formatNumberEnglish(amount);
return context.l10n.formatCurrency(formatted);
}
/// Format number with Vietnamese grouping (dots)
static String _formatNumberVietnamese(double number) {
final parts = number.toStringAsFixed(0).split('.');
final intPart = parts[0];
// Add dots every 3 digits from right
final buffer = StringBuffer();
for (var i = 0; i < intPart.length; i++) {
if (i > 0 && (intPart.length - i) % 3 == 0) {
buffer.write('.');
}
buffer.write(intPart[i]);
}
return buffer.toString();
}
/// Format number with English grouping (commas)
static String _formatNumberEnglish(double number) {
final parts = number.toStringAsFixed(0).split('.');
final intPart = parts[0];
// Add commas every 3 digits from right
final buffer = StringBuffer();
for (var i = 0; i < intPart.length; i++) {
if (i > 0 && (intPart.length - i) % 3 == 0) {
buffer.write(',');
}
buffer.write(intPart[i]);
}
return buffer.toString();
}
/// Format a relative time (e.g., "5 minutes ago", "2 days ago")
///
/// Example:
/// ```dart
/// final relativeTime = L10nHelper.formatRelativeTime(
/// context,
/// DateTime.now().subtract(Duration(minutes: 5)),
/// );
/// // Returns: "5 phút trước" (Vietnamese) or "5 minutes ago" (English)
/// ```
static String formatRelativeTime(BuildContext context, DateTime dateTime) {
final now = DateTime.now();
final difference = now.difference(dateTime);
if (difference.inSeconds < 60) {
return context.l10n.justNow;
} else if (difference.inMinutes < 60) {
return context.l10n.minutesAgo(difference.inMinutes);
} else if (difference.inHours < 24) {
return context.l10n.hoursAgo(difference.inHours);
} else if (difference.inDays < 7) {
return context.l10n.daysAgo(difference.inDays);
} else if (difference.inDays < 30) {
return context.l10n.weeksAgo((difference.inDays / 7).floor());
} else if (difference.inDays < 365) {
return context.l10n.monthsAgo((difference.inDays / 30).floor());
} else {
return context.l10n.yearsAgo((difference.inDays / 365).floor());
}
}
/// Get localized order status string
static String getOrderStatus(BuildContext context, String status) {
switch (status.toLowerCase()) {
case 'pending':
return context.l10n.pending;
case 'processing':
return context.l10n.processing;
case 'shipping':
return context.l10n.shipping;
case 'completed':
return context.l10n.completed;
case 'cancelled':
return context.l10n.cancelled;
default:
return status;
}
}
/// Get localized project status string
static String getProjectStatus(BuildContext context, String status) {
switch (status.toLowerCase()) {
case 'planning':
return context.l10n.planningProjects;
case 'in_progress':
case 'inprogress':
return context.l10n.inProgressProjects;
case 'completed':
return context.l10n.completedProjects;
default:
return status;
}
}
/// Get localized member tier string
static String getMemberTier(BuildContext context, String tier) {
switch (tier.toLowerCase()) {
case 'diamond':
return context.l10n.diamond;
case 'platinum':
return context.l10n.platinum;
case 'gold':
return context.l10n.gold;
default:
return tier;
}
}
/// Get localized user type string
static String getUserType(BuildContext context, String userType) {
switch (userType.toLowerCase()) {
case 'contractor':
return context.l10n.contractor;
case 'architect':
return context.l10n.architect;
case 'distributor':
return context.l10n.distributor;
case 'broker':
return context.l10n.broker;
default:
return userType;
}
}
/// Get localized password strength string
static String getPasswordStrength(BuildContext context, String strength) {
switch (strength.toLowerCase()) {
case 'weak':
return context.l10n.weak;
case 'medium':
return context.l10n.medium;
case 'strong':
return context.l10n.strong;
case 'very_strong':
case 'verystrong':
return context.l10n.veryStrong;
default:
return strength;
}
}
/// Format points with proper pluralization
///
/// Example:
/// ```dart
/// final pointsText = L10nHelper.formatPoints(context, 100);
/// // Returns: "+100 điểm" (Vietnamese) or "+100 points" (English)
/// ```
static String formatPoints(BuildContext context, int points,
{bool showSign = true}) {
if (showSign && points > 0) {
return context.l10n.earnedPoints(points);
} else if (showSign && points < 0) {
return context.l10n.spentPoints(points.abs());
} else {
return context.l10n.pointsBalance(points);
}
}
/// Format item count with pluralization
static String formatItemCount(BuildContext context, int count) {
return context.l10n.itemsInCart(count);
}
/// Format order count with pluralization
static String formatOrderCount(BuildContext context, int count) {
return context.l10n.ordersCount(count);
}
/// Format project count with pluralization
static String formatProjectCount(BuildContext context, int count) {
return context.l10n.projectsCount(count);
}
/// Format days remaining with pluralization
static String formatDaysRemaining(BuildContext context, int days) {
return context.l10n.daysRemaining(days);
}
}

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import 'package:flutter/widgets.dart';
import 'package:worker/generated/l10n/app_localizations.dart';
/// Extension on [BuildContext] for easy access to localizations
///
/// Usage:
/// ```dart
/// Text(context.l10n.login)
/// ```
///
/// This provides a shorter and more convenient way to access localized strings
/// compared to the verbose `AppLocalizations.of(context)!` syntax.
extension LocalizationExtension on BuildContext {
/// Get the current app localizations
///
/// Returns the [AppLocalizations] instance for the current context.
/// This will never be null because the app always has a default locale.
AppLocalizations get l10n => AppLocalizations.of(this);
}
/// Extension on [AppLocalizations] for additional formatting utilities
extension LocalizationUtilities on AppLocalizations {
/// Format currency in Vietnamese Dong
///
/// Example: 100000 -> "100.000 ₫"
String formatCurrency(double amount) {
final formatter = _getCurrencyFormatter();
return formatter.format(amount);
}
/// Format points display with formatted number
///
/// Example: 1500 -> "1.500 điểm" or "1,500 points"
String formatPointsDisplay(int points) {
// Use the generated method which already handles the formatting
return pointsBalance(points);
}
/// Format large numbers with thousand separators
///
/// Example: 1000000 -> "1.000.000"
String formatNumber(num number) {
return _formatNumber(number);
}
/// Get currency formatter based on locale
_CurrencyFormatter _getCurrencyFormatter() {
if (localeName.startsWith('vi')) {
return const _VietnameseCurrencyFormatter();
} else {
return const _EnglishCurrencyFormatter();
}
}
/// Format number with thousand separators
String _formatNumber(num number) {
final parts = number.toString().split('.');
final integerPart = parts[0];
final decimalPart = parts.length > 1 ? parts[1] : '';
// Add thousand separators
final buffer = StringBuffer();
final reversedInteger = integerPart.split('').reversed.join();
for (var i = 0; i < reversedInteger.length; i++) {
if (i > 0 && i % 3 == 0) {
buffer.write(localeName.startsWith('vi') ? '.' : ',');
}
buffer.write(reversedInteger[i]);
}
final formattedInteger = buffer.toString().split('').reversed.join();
if (decimalPart.isNotEmpty) {
return '$formattedInteger.$decimalPart';
}
return formattedInteger;
}
}
/// Abstract currency formatter
abstract class _CurrencyFormatter {
const _CurrencyFormatter();
String format(double amount);
}
/// Vietnamese currency formatter
///
/// Format: 100.000 ₫
class _VietnameseCurrencyFormatter extends _CurrencyFormatter {
const _VietnameseCurrencyFormatter();
@override
String format(double amount) {
final rounded = amount.round();
final parts = rounded.toString().split('').reversed.join();
final buffer = StringBuffer();
for (var i = 0; i < parts.length; i++) {
if (i > 0 && i % 3 == 0) {
buffer.write('.');
}
buffer.write(parts[i]);
}
final formatted = buffer.toString().split('').reversed.join();
return '$formatted ₫';
}
}
/// English currency formatter
///
/// Format: ₫100,000
class _EnglishCurrencyFormatter extends _CurrencyFormatter {
const _EnglishCurrencyFormatter();
@override
String format(double amount) {
final rounded = amount.round();
final parts = rounded.toString().split('').reversed.join();
final buffer = StringBuffer();
for (var i = 0; i < parts.length; i++) {
if (i > 0 && i % 3 == 0) {
buffer.write(',');
}
buffer.write(parts[i]);
}
final formatted = buffer.toString().split('').reversed.join();
return '₫$formatted';
}
}

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/// QR Code Generator Utility
///
/// Provides QR code generation functionality for member cards,
/// referral codes, and other QR code use cases.
library;
import 'package:flutter/material.dart';
import 'package:qr_flutter/qr_flutter.dart';
/// QR Code Generator
class QRGenerator {
QRGenerator._();
/// Generate QR code widget for member ID
///
/// Used in member cards to display user's member ID as QR code
static Widget generateMemberQR({
required String memberId,
double size = 80.0,
Color? foregroundColor,
Color? backgroundColor,
int version = QrVersions.auto,
int errorCorrectionLevel = QrErrorCorrectLevel.M,
}) {
return QrImageView(
data: 'MEMBER:$memberId',
version: version,
size: size,
errorCorrectionLevel: errorCorrectionLevel,
backgroundColor: backgroundColor ?? Colors.white,
eyeStyle: QrEyeStyle(
eyeShape: QrEyeShape.square,
color: foregroundColor ?? Colors.black,
),
dataModuleStyle: QrDataModuleStyle(
dataModuleShape: QrDataModuleShape.square,
color: foregroundColor ?? Colors.black,
),
padding: EdgeInsets.zero,
gapless: true,
);
}
/// Generate QR code widget for referral code
///
/// Used to share referral codes via QR scanning
static Widget generateReferralQR({
required String referralCode,
double size = 200.0,
Color? foregroundColor,
Color? backgroundColor,
}) {
return QrImageView(
data: 'REFERRAL:$referralCode',
version: QrVersions.auto,
size: size,
errorCorrectionLevel: QrErrorCorrectLevel.H,
backgroundColor: backgroundColor ?? Colors.white,
eyeStyle: QrEyeStyle(
eyeShape: QrEyeShape.square,
color: foregroundColor ?? Colors.black,
),
dataModuleStyle: QrDataModuleStyle(
dataModuleShape: QrDataModuleShape.square,
color: foregroundColor ?? Colors.black,
),
padding: const EdgeInsets.all(16),
gapless: true,
embeddedImageStyle: const QrEmbeddedImageStyle(
size: Size(48, 48),
),
);
}
/// Generate QR code widget for order tracking
///
/// Used to display order number as QR code for easy tracking
static Widget generateOrderQR({
required String orderNumber,
double size = 150.0,
Color? foregroundColor,
Color? backgroundColor,
}) {
return QrImageView(
data: 'ORDER:$orderNumber',
version: QrVersions.auto,
size: size,
errorCorrectionLevel: QrErrorCorrectLevel.M,
backgroundColor: backgroundColor ?? Colors.white,
eyeStyle: QrEyeStyle(
eyeShape: QrEyeShape.square,
color: foregroundColor ?? Colors.black,
),
dataModuleStyle: QrDataModuleStyle(
dataModuleShape: QrDataModuleShape.square,
color: foregroundColor ?? Colors.black,
),
padding: const EdgeInsets.all(12),
gapless: true,
);
}
/// Generate QR code widget for product info
///
/// Used to encode product SKU or URL for quick access
static Widget generateProductQR({
required String productId,
double size = 120.0,
Color? foregroundColor,
Color? backgroundColor,
}) {
return QrImageView(
data: 'PRODUCT:$productId',
version: QrVersions.auto,
size: size,
errorCorrectionLevel: QrErrorCorrectLevel.M,
backgroundColor: backgroundColor ?? Colors.white,
eyeStyle: QrEyeStyle(
eyeShape: QrEyeShape.square,
color: foregroundColor ?? Colors.black,
),
dataModuleStyle: QrDataModuleStyle(
dataModuleShape: QrDataModuleShape.square,
color: foregroundColor ?? Colors.black,
),
padding: const EdgeInsets.all(10),
gapless: true,
);
}
/// Generate QR code widget with custom data
///
/// Generic QR code generator for any string data
static Widget generateCustomQR({
required String data,
double size = 200.0,
Color? foregroundColor,
Color? backgroundColor,
int errorCorrectionLevel = QrErrorCorrectLevel.M,
EdgeInsets padding = const EdgeInsets.all(16),
bool gapless = true,
}) {
return QrImageView(
data: data,
version: QrVersions.auto,
size: size,
errorCorrectionLevel: errorCorrectionLevel,
backgroundColor: backgroundColor ?? Colors.white,
eyeStyle: QrEyeStyle(
eyeShape: QrEyeShape.square,
color: foregroundColor ?? Colors.black,
),
dataModuleStyle: QrDataModuleStyle(
dataModuleShape: QrDataModuleShape.square,
color: foregroundColor ?? Colors.black,
),
padding: padding,
gapless: gapless,
);
}
/// Generate QR code widget with embedded logo
///
/// Used for branded QR codes with app logo in center
static Widget generateQRWithLogo({
required String data,
required Widget embeddedImage,
double size = 250.0,
Color? foregroundColor,
Color? backgroundColor,
Size embeddedImageSize = const Size(64, 64),
}) {
return QrImageView(
data: data,
version: QrVersions.auto,
size: size,
errorCorrectionLevel: QrErrorCorrectLevel.H, // High correction for logo
backgroundColor: backgroundColor ?? Colors.white,
eyeStyle: QrEyeStyle(
eyeShape: QrEyeShape.square,
color: foregroundColor ?? Colors.black,
),
dataModuleStyle: QrDataModuleStyle(
dataModuleShape: QrDataModuleShape.square,
color: foregroundColor ?? Colors.black,
),
padding: const EdgeInsets.all(20),
gapless: true,
embeddedImage: embeddedImage is AssetImage
? (embeddedImage as AssetImage).assetName as ImageProvider
: null,
embeddedImageStyle: QrEmbeddedImageStyle(
size: embeddedImageSize,
),
);
}
/// Parse QR code data and extract type and value
///
/// Returns a map with 'type' and 'value' keys
static Map<String, String>? parseQRData(String data) {
try {
if (data.contains(':')) {
final parts = data.split(':');
if (parts.length == 2) {
return {
'type': parts[0].toUpperCase(),
'value': parts[1],
};
}
}
// If no type prefix, return as generic data
return {
'type': 'GENERIC',
'value': data,
};
} catch (e) {
return null;
}
}
/// Validate QR code data format
static bool isValidQRData(String data, {String? expectedType}) {
if (data.isEmpty) return false;
final parsed = parseQRData(data);
if (parsed == null) return false;
if (expectedType != null) {
return parsed['type'] == expectedType.toUpperCase();
}
return true;
}
/// Generate QR data string with type prefix
static String generateQRData(String type, String value) {
return '${type.toUpperCase()}:$value';
}
}
/// QR Code Types
class QRCodeType {
QRCodeType._();
static const String member = 'MEMBER';
static const String referral = 'REFERRAL';
static const String order = 'ORDER';
static const String product = 'PRODUCT';
static const String payment = 'PAYMENT';
static const String url = 'URL';
static const String generic = 'GENERIC';
}
/// QR Code Scanner Result
class QRScanResult {
final String type;
final String value;
final String rawData;
const QRScanResult({
required this.type,
required this.value,
required this.rawData,
});
/// Check if scan result is of expected type
bool isType(String expectedType) {
return type.toUpperCase() == expectedType.toUpperCase();
}
/// Check if result is a member QR code
bool get isMember => isType(QRCodeType.member);
/// Check if result is a referral QR code
bool get isReferral => isType(QRCodeType.referral);
/// Check if result is an order QR code
bool get isOrder => isType(QRCodeType.order);
/// Check if result is a product QR code
bool get isProduct => isType(QRCodeType.product);
/// Check if result is a URL QR code
bool get isUrl => isType(QRCodeType.url);
factory QRScanResult.fromRawData(String rawData) {
final parsed = QRGenerator.parseQRData(rawData);
if (parsed != null) {
return QRScanResult(
type: parsed['type']!,
value: parsed['value']!,
rawData: rawData,
);
}
return QRScanResult(
type: QRCodeType.generic,
value: rawData,
rawData: rawData,
);
}
@override
String toString() => 'QRScanResult(type: $type, value: $value)';
}

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/// Form Validators for Vietnamese Locale
///
/// Provides validation utilities for forms with Vietnamese-specific
/// validations for phone numbers, email, passwords, etc.
library;
/// Form field validators
class Validators {
Validators._();
// ========================================================================
// Required Field Validators
// ========================================================================
/// Validate required field
static String? required(String? value, {String? fieldName}) {
if (value == null || value.trim().isEmpty) {
return fieldName != null
? '$fieldName là bắt buộc'
: 'Trường này là bắt buộc';
}
return null;
}
// ========================================================================
// Phone Number Validators
// ========================================================================
/// Validate Vietnamese phone number
///
/// Accepts formats:
/// - 0xxx xxx xxx (10 digits starting with 0)
/// - +84xxx xxx xxx (starts with +84)
/// - 84xxx xxx xxx (starts with 84)
static String? phone(String? value) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập số điện thoại';
}
final cleaned = value.replaceAll(RegExp(r'\D'), '');
// Check if starts with valid Vietnamese mobile prefix
final vietnamesePattern = RegExp(r'^(0|\+?84)(3|5|7|8|9)[0-9]{8}$');
if (!vietnamesePattern.hasMatch(value.replaceAll(RegExp(r'[^\d+]'), ''))) {
return 'Số điện thoại không hợp lệ';
}
if (cleaned.length < 10 || cleaned.length > 11) {
return 'Số điện thoại phải có 10 chữ số';
}
return null;
}
/// Validate phone number (optional)
static String? phoneOptional(String? value) {
if (value == null || value.trim().isEmpty) {
return null; // Optional, so null is valid
}
return phone(value);
}
// ========================================================================
// Email Validators
// ========================================================================
/// Validate email address
static String? email(String? value) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập email';
}
final emailRegex = RegExp(
r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$',
);
if (!emailRegex.hasMatch(value)) {
return 'Email không hợp lệ';
}
return null;
}
/// Validate email (optional)
static String? emailOptional(String? value) {
if (value == null || value.trim().isEmpty) {
return null;
}
return email(value);
}
// ========================================================================
// Password Validators
// ========================================================================
/// Validate password strength
///
/// Requirements:
/// - At least 8 characters
/// - At least 1 uppercase letter
/// - At least 1 lowercase letter
/// - At least 1 number
/// - At least 1 special character
static String? password(String? value) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập mật khẩu';
}
if (value.length < 8) {
return 'Mật khẩu phải có ít nhất 8 ký tự';
}
if (!RegExp(r'[A-Z]').hasMatch(value)) {
return 'Mật khẩu phải có ít nhất 1 chữ hoa';
}
if (!RegExp(r'[a-z]').hasMatch(value)) {
return 'Mật khẩu phải có ít nhất 1 chữ thường';
}
if (!RegExp(r'[0-9]').hasMatch(value)) {
return 'Mật khẩu phải có ít nhất 1 số';
}
if (!RegExp(r'[!@#$%^&*(),.?":{}|<>]').hasMatch(value)) {
return 'Mật khẩu phải có ít nhất 1 ký tự đặc biệt';
}
return null;
}
/// Validate password confirmation
static String? confirmPassword(String? value, String? password) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng xác nhận mật khẩu';
}
if (value != password) {
return 'Mật khẩu không khớp';
}
return null;
}
/// Simple password validator (minimum length only)
static String? passwordSimple(String? value, {int minLength = 6}) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập mật khẩu';
}
if (value.length < minLength) {
return 'Mật khẩu phải có ít nhất $minLength ký tự';
}
return null;
}
// ========================================================================
// OTP Validators
// ========================================================================
/// Validate OTP code
static String? otp(String? value, {int length = 6}) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập mã OTP';
}
if (value.length != length) {
return 'Mã OTP phải có $length chữ số';
}
if (!RegExp(r'^[0-9]+$').hasMatch(value)) {
return 'Mã OTP chỉ được chứa số';
}
return null;
}
// ========================================================================
// Text Length Validators
// ========================================================================
/// Validate minimum length
static String? minLength(String? value, int min, {String? fieldName}) {
if (value == null || value.trim().isEmpty) {
return fieldName != null
? '$fieldName là bắt buộc'
: 'Trường này là bắt buộc';
}
if (value.length < min) {
return fieldName != null
? '$fieldName phải có ít nhất $min ký tự'
: 'Phải có ít nhất $min ký tự';
}
return null;
}
/// Validate maximum length
static String? maxLength(String? value, int max, {String? fieldName}) {
if (value != null && value.length > max) {
return fieldName != null
? '$fieldName không được vượt quá $max ký tự'
: 'Không được vượt quá $max ký tự';
}
return null;
}
/// Validate length range
static String? lengthRange(
String? value,
int min,
int max, {
String? fieldName,
}) {
if (value == null || value.trim().isEmpty) {
return fieldName != null
? '$fieldName là bắt buộc'
: 'Trường này là bắt buộc';
}
if (value.length < min || value.length > max) {
return fieldName != null
? '$fieldName phải có từ $min đến $max ký tự'
: 'Phải có từ $min đến $max ký tự';
}
return null;
}
// ========================================================================
// Number Validators
// ========================================================================
/// Validate number
static String? number(String? value, {String? fieldName}) {
if (value == null || value.trim().isEmpty) {
return fieldName != null
? '$fieldName là bắt buộc'
: 'Trường này là bắt buộc';
}
if (double.tryParse(value) == null) {
return fieldName != null
? '$fieldName phải là số'
: 'Giá trị phải là số';
}
return null;
}
/// Validate integer
static String? integer(String? value, {String? fieldName}) {
if (value == null || value.trim().isEmpty) {
return fieldName != null
? '$fieldName là bắt buộc'
: 'Trường này là bắt buộc';
}
if (int.tryParse(value) == null) {
return fieldName != null
? '$fieldName phải là số nguyên'
: 'Giá trị phải là số nguyên';
}
return null;
}
/// Validate positive number
static String? positiveNumber(String? value, {String? fieldName}) {
final numberError = number(value, fieldName: fieldName);
if (numberError != null) return numberError;
final num = double.parse(value!);
if (num <= 0) {
return fieldName != null
? '$fieldName phải lớn hơn 0'
: 'Giá trị phải lớn hơn 0';
}
return null;
}
/// Validate number range
static String? numberRange(
String? value,
double min,
double max, {
String? fieldName,
}) {
final numberError = number(value, fieldName: fieldName);
if (numberError != null) return numberError;
final num = double.parse(value!);
if (num < min || num > max) {
return fieldName != null
? '$fieldName phải từ $min đến $max'
: 'Giá trị phải từ $min đến $max';
}
return null;
}
// ========================================================================
// Date Validators
// ========================================================================
/// Validate date format (dd/MM/yyyy)
static String? date(String? value) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập ngày';
}
final dateRegex = RegExp(r'^\d{2}/\d{2}/\d{4}$');
if (!dateRegex.hasMatch(value)) {
return 'Định dạng ngày không hợp lệ (dd/MM/yyyy)';
}
try {
final parts = value.split('/');
final day = int.parse(parts[0]);
final month = int.parse(parts[1]);
final year = int.parse(parts[2]);
final date = DateTime(year, month, day);
if (date.day != day || date.month != month || date.year != year) {
return 'Ngày không hợp lệ';
}
} catch (e) {
return 'Ngày không hợp lệ';
}
return null;
}
/// Validate age (must be at least 18 years old)
static String? age(String? value, {int minAge = 18}) {
final dateError = date(value);
if (dateError != null) return dateError;
try {
final parts = value!.split('/');
final birthDate = DateTime(
int.parse(parts[2]),
int.parse(parts[1]),
int.parse(parts[0]),
);
final today = DateTime.now();
final age = today.year -
birthDate.year -
(today.month > birthDate.month ||
(today.month == birthDate.month && today.day >= birthDate.day)
? 0
: 1);
if (age < minAge) {
return 'Bạn phải từ $minAge tuổi trở lên';
}
return null;
} catch (e) {
return 'Ngày sinh không hợp lệ';
}
}
// ========================================================================
// Address Validators
// ========================================================================
/// Validate Vietnamese address
static String? address(String? value) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập địa chỉ';
}
if (value.length < 10) {
return 'Địa chỉ quá ngắn';
}
return null;
}
// ========================================================================
// Tax ID Validators
// ========================================================================
/// Validate Vietnamese Tax ID (Mã số thuế)
/// Format: 10 or 13 digits
static String? taxId(String? value) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập mã số thuế';
}
final cleaned = value.replaceAll(RegExp(r'\D'), '');
if (cleaned.length != 10 && cleaned.length != 13) {
return 'Mã số thuế phải có 10 hoặc 13 chữ số';
}
return null;
}
/// Validate tax ID (optional)
static String? taxIdOptional(String? value) {
if (value == null || value.trim().isEmpty) {
return null;
}
return taxId(value);
}
// ========================================================================
// URL Validators
// ========================================================================
/// Validate URL
static String? url(String? value) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập URL';
}
final urlRegex = RegExp(
r'^https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)$',
);
if (!urlRegex.hasMatch(value)) {
return 'URL không hợp lệ';
}
return null;
}
// ========================================================================
// Combination Validators
// ========================================================================
/// Combine multiple validators
static String? Function(String?) combine(
List<String? Function(String?)> validators,
) {
return (String? value) {
for (final validator in validators) {
final error = validator(value);
if (error != null) return error;
}
return null;
};
}
// ========================================================================
// Custom Pattern Validators
// ========================================================================
/// Validate against custom regex pattern
static String? pattern(
String? value,
RegExp pattern,
String errorMessage,
) {
if (value == null || value.trim().isEmpty) {
return 'Trường này là bắt buộc';
}
if (!pattern.hasMatch(value)) {
return errorMessage;
}
return null;
}
// ========================================================================
// Match Validators
// ========================================================================
/// Validate that value matches another value
static String? match(String? value, String? matchValue, String fieldName) {
if (value == null || value.trim().isEmpty) {
return 'Vui lòng nhập $fieldName';
}
if (value != matchValue) {
return '$fieldName không khớp';
}
return null;
}
}
/// Password strength enum
enum PasswordStrength {
weak,
medium,
strong,
veryStrong,
}
/// Password strength calculator
class PasswordStrengthCalculator {
/// Calculate password strength
static PasswordStrength calculate(String password) {
if (password.isEmpty) return PasswordStrength.weak;
var score = 0;
// Length check
if (password.length >= 8) score++;
if (password.length >= 12) score++;
if (password.length >= 16) score++;
// Character variety check
if (RegExp(r'[a-z]').hasMatch(password)) score++;
if (RegExp(r'[A-Z]').hasMatch(password)) score++;
if (RegExp(r'[0-9]').hasMatch(password)) score++;
if (RegExp(r'[!@#$%^&*(),.?":{}|<>]').hasMatch(password)) score++;
// Return strength based on score
if (score <= 2) return PasswordStrength.weak;
if (score <= 4) return PasswordStrength.medium;
if (score <= 6) return PasswordStrength.strong;
return PasswordStrength.veryStrong;
}
/// Get strength label in Vietnamese
static String getLabel(PasswordStrength strength) {
switch (strength) {
case PasswordStrength.weak:
return 'Yếu';
case PasswordStrength.medium:
return 'Trung bình';
case PasswordStrength.strong:
return 'Mạnh';
case PasswordStrength.veryStrong:
return 'Rất mạnh';
}
}
}

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import 'package:flutter/material.dart';
import 'package:worker/core/theme/colors.dart';
/// Custom bottom navigation bar for the Worker app.
///
/// This widget will be fully implemented once navigation system is in place.
/// It will support 5 main tabs: Home, Products, Loyalty, Account, and More.
///
/// Example usage:
/// ```dart
/// CustomBottomNavBar(
/// currentIndex: _currentIndex,
/// onTap: (index) => _onNavigate(index),
/// )
/// ```
class CustomBottomNavBar extends StatelessWidget {
/// Current selected tab index
final int currentIndex;
/// Callback when a tab is tapped
final ValueChanged<int> onTap;
/// Optional badge count for notifications
final int? badgeCount;
const CustomBottomNavBar({
super.key,
required this.currentIndex,
required this.onTap,
this.badgeCount,
});
@override
Widget build(BuildContext context) {
// Will be implemented with navigation
// TODO: Implement full bottom navigation with:
// - Home tab (home icon)
// - Products tab (shopping_bag icon)
// - Loyalty tab (card_membership icon)
// - Account tab (person icon)
// - More tab (menu icon) with notification badge
//
// Design specs:
// - Height: 72px
// - Icon size: 24px (selected: 28px)
// - Label font size: 12px
// - Selected color: primaryBlue
// - Unselected color: grey500
// - Badge: red circle with white text
return BottomNavigationBar(
currentIndex: currentIndex,
onTap: onTap,
type: BottomNavigationBarType.fixed,
selectedItemColor: AppColors.primaryBlue,
unselectedItemColor: AppColors.grey500,
selectedFontSize: 12,
unselectedFontSize: 12,
items: const [
BottomNavigationBarItem(
icon: Icon(Icons.home),
label: 'Home',
),
BottomNavigationBarItem(
icon: Icon(Icons.shopping_bag),
label: 'Products',
),
BottomNavigationBarItem(
icon: Icon(Icons.card_membership),
label: 'Loyalty',
),
BottomNavigationBarItem(
icon: Icon(Icons.person),
label: 'Account',
),
BottomNavigationBarItem(
icon: Icon(Icons.menu),
label: 'More',
),
],
);
}
}

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import 'package:flutter/material.dart';
import 'package:worker/core/theme/colors.dart';
/// Button variant types for different use cases.
enum ButtonVariant {
/// Primary button with filled background color
primary,
/// Secondary button with outlined border
secondary,
}
/// Custom button widget following the Worker app design system.
///
/// Supports primary and secondary variants, loading states, and disabled states.
///
/// Example usage:
/// ```dart
/// CustomButton(
/// text: 'Login',
/// onPressed: () => _handleLogin(),
/// variant: ButtonVariant.primary,
/// isLoading: _isLoading,
/// )
/// ```
class CustomButton extends StatelessWidget {
/// The text to display on the button
final String text;
/// Callback when button is pressed. If null, button is disabled.
final VoidCallback? onPressed;
/// Visual variant of the button (primary or secondary)
final ButtonVariant variant;
/// Whether to show loading indicator instead of text
final bool isLoading;
/// Optional icon to display before the text
final IconData? icon;
/// Custom width for the button. If null, uses parent constraints.
final double? width;
/// Custom height for the button. Defaults to 48.
final double? height;
const CustomButton({
super.key,
required this.text,
required this.onPressed,
this.variant = ButtonVariant.primary,
this.isLoading = false,
this.icon,
this.width,
this.height,
});
@override
Widget build(BuildContext context) {
final isDisabled = onPressed == null || isLoading;
if (variant == ButtonVariant.primary) {
return SizedBox(
width: width,
height: height ?? 48,
child: ElevatedButton(
onPressed: isDisabled ? null : onPressed,
style: ElevatedButton.styleFrom(
backgroundColor: AppColors.primaryBlue,
foregroundColor: Colors.white,
disabledBackgroundColor: AppColors.grey500,
disabledForegroundColor: Colors.white70,
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: _buildContent(),
),
);
} else {
return SizedBox(
width: width,
height: height ?? 48,
child: OutlinedButton(
onPressed: isDisabled ? null : onPressed,
style: OutlinedButton.styleFrom(
foregroundColor: AppColors.primaryBlue,
disabledForegroundColor: AppColors.grey500,
side: BorderSide(
color: isDisabled ? AppColors.grey500 : AppColors.primaryBlue,
width: 1.5,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: _buildContent(),
),
);
}
}
/// Builds the button content (text, icon, or loading indicator)
Widget _buildContent() {
if (isLoading) {
return const SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
),
);
}
if (icon != null) {
return Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(icon, size: 20),
const SizedBox(width: 8),
Text(
text,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
),
),
],
);
}
return Text(
text,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:worker/core/theme/colors.dart';
/// Empty state widget for displaying when lists or collections are empty.
///
/// Shows an icon, title, subtitle, and optional action button to guide users
/// when there's no content to display.
///
/// Example usage:
/// ```dart
/// EmptyState(
/// icon: Icons.shopping_cart_outlined,
/// title: 'Your cart is empty',
/// subtitle: 'Add some products to get started',
/// actionLabel: 'Browse Products',
/// onAction: () => Navigator.pushNamed(context, '/products'),
/// )
/// ```
class EmptyState extends StatelessWidget {
/// Icon to display at the top
final IconData icon;
/// Main title text
final String title;
/// Optional subtitle/description text
final String? subtitle;
/// Optional action button label. If null, no button is shown.
final String? actionLabel;
/// Optional callback for action button
final VoidCallback? onAction;
/// Size of the icon. Defaults to 80.
final double iconSize;
const EmptyState({
super.key,
required this.icon,
required this.title,
this.subtitle,
this.actionLabel,
this.onAction,
this.iconSize = 80,
});
@override
Widget build(BuildContext context) {
return Center(
child: Padding(
padding: const EdgeInsets.all(32.0),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
icon,
size: iconSize,
color: AppColors.grey500,
),
const SizedBox(height: 16),
Text(
title,
style: const TextStyle(
fontSize: 20,
fontWeight: FontWeight.w600,
color: AppColors.grey900,
),
textAlign: TextAlign.center,
),
if (subtitle != null) ...[
const SizedBox(height: 8),
Text(
subtitle!,
style: const TextStyle(
fontSize: 14,
color: AppColors.grey500,
),
textAlign: TextAlign.center,
),
],
if (actionLabel != null && onAction != null) ...[
const SizedBox(height: 24),
ElevatedButton(
onPressed: onAction,
style: ElevatedButton.styleFrom(
backgroundColor: AppColors.primaryBlue,
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(
horizontal: 24,
vertical: 12,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: Text(
actionLabel!,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
),
),
),
],
],
),
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:worker/core/theme/colors.dart';
/// Custom error widget for displaying error states with retry functionality.
///
/// Shows an error icon, message, and optional retry button. Used throughout
/// the app for error states in async operations.
///
/// Example usage:
/// ```dart
/// CustomErrorWidget(
/// message: 'Failed to load products',
/// onRetry: () => _loadProducts(),
/// )
/// ```
class CustomErrorWidget extends StatelessWidget {
/// Error message to display
final String message;
/// Optional callback for retry button. If null, no button is shown.
final VoidCallback? onRetry;
/// Optional icon to display. Defaults to error_outline.
final IconData? icon;
/// Size of the error icon. Defaults to 64.
final double iconSize;
const CustomErrorWidget({
super.key,
required this.message,
this.onRetry,
this.icon,
this.iconSize = 64,
});
@override
Widget build(BuildContext context) {
return Center(
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
icon ?? Icons.error_outline,
size: iconSize,
color: AppColors.danger,
),
const SizedBox(height: 16),
Text(
message,
style: const TextStyle(
fontSize: 16,
color: AppColors.grey900,
fontWeight: FontWeight.w500,
),
textAlign: TextAlign.center,
),
if (onRetry != null) ...[
const SizedBox(height: 24),
ElevatedButton.icon(
onPressed: onRetry,
icon: const Icon(Icons.refresh),
label: const Text('Retry'),
style: ElevatedButton.styleFrom(
backgroundColor: AppColors.primaryBlue,
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(
horizontal: 24,
vertical: 12,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
),
],
],
),
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:worker/core/theme/colors.dart';
/// Floating action button for chat support access.
///
/// Positioned at bottom-right of the screen with accent cyan color.
/// Opens chat support when tapped.
///
/// Example usage:
/// ```dart
/// Scaffold(
/// floatingActionButton: ChatFloatingButton(
/// onPressed: () => Navigator.pushNamed(context, '/chat'),
/// ),
/// )
/// ```
class ChatFloatingButton extends StatelessWidget {
/// Callback when the button is pressed
final VoidCallback onPressed;
/// Optional badge count for unread messages
final int? unreadCount;
/// Size of the FAB. Defaults to 56.
final double size;
const ChatFloatingButton({
super.key,
required this.onPressed,
this.unreadCount,
this.size = 56,
});
@override
Widget build(BuildContext context) {
return SizedBox(
width: size,
height: size,
child: Stack(
children: [
FloatingActionButton(
onPressed: onPressed,
backgroundColor: AppColors.accentCyan,
elevation: 6,
child: const Icon(
Icons.chat_bubble_outline,
color: Colors.white,
size: 24,
),
),
if (unreadCount != null && unreadCount! > 0)
Positioned(
right: 0,
top: 0,
child: Container(
padding: const EdgeInsets.all(4),
decoration: BoxDecoration(
color: AppColors.danger,
shape: BoxShape.circle,
border: Border.all(
color: Colors.white,
width: 2,
),
),
constraints: const BoxConstraints(
minWidth: 20,
minHeight: 20,
),
child: Center(
child: Text(
unreadCount! > 99 ? '99+' : unreadCount.toString(),
style: const TextStyle(
color: Colors.white,
fontSize: 10,
fontWeight: FontWeight.bold,
),
textAlign: TextAlign.center,
),
),
),
),
],
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:worker/core/theme/colors.dart';
/// Custom loading indicator widget with optional message text.
///
/// Displays a centered circular progress indicator with an optional
/// message below it. Used for loading states throughout the app.
///
/// Example usage:
/// ```dart
/// CustomLoadingIndicator(
/// message: 'Loading products...',
/// )
/// ```
class CustomLoadingIndicator extends StatelessWidget {
/// Optional message to display below the loading indicator
final String? message;
/// Size of the loading indicator. Defaults to 40.
final double size;
/// Color of the loading indicator. Defaults to primaryBlue.
final Color? color;
const CustomLoadingIndicator({
super.key,
this.message,
this.size = 40,
this.color,
});
@override
Widget build(BuildContext context) {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
SizedBox(
width: size,
height: size,
child: CircularProgressIndicator(
strokeWidth: 3,
valueColor: AlwaysStoppedAnimation<Color>(
color ?? AppColors.primaryBlue,
),
),
),
if (message != null) ...[
const SizedBox(height: 16),
Text(
message!,
style: const TextStyle(
fontSize: 14,
color: AppColors.grey500,
),
textAlign: TextAlign.center,
),
],
],
),
);
}
}

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lib/hive_registrar.g.dart Normal file
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// Generated by Hive CE
// Do not modify
// Check in to version control
import 'package:hive_ce/hive.dart';
import 'package:worker/core/database/models/cached_data.dart';
import 'package:worker/core/database/models/enums.dart';
extension HiveRegistrar on HiveInterface {
void registerAdapters() {
registerAdapter(CachedDataAdapter());
registerAdapter(GiftStatusAdapter());
registerAdapter(MemberTierAdapter());
registerAdapter(NotificationTypeAdapter());
registerAdapter(OrderStatusAdapter());
registerAdapter(PaymentMethodAdapter());
registerAdapter(PaymentStatusAdapter());
registerAdapter(ProjectStatusAdapter());
registerAdapter(ProjectTypeAdapter());
registerAdapter(TransactionTypeAdapter());
registerAdapter(UserTypeAdapter());
}
}
extension IsolatedHiveRegistrar on IsolatedHiveInterface {
void registerAdapters() {
registerAdapter(CachedDataAdapter());
registerAdapter(GiftStatusAdapter());
registerAdapter(MemberTierAdapter());
registerAdapter(NotificationTypeAdapter());
registerAdapter(OrderStatusAdapter());
registerAdapter(PaymentMethodAdapter());
registerAdapter(PaymentStatusAdapter());
registerAdapter(ProjectStatusAdapter());
registerAdapter(ProjectTypeAdapter());
registerAdapter(TransactionTypeAdapter());
registerAdapter(UserTypeAdapter());
}
}

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lib/l10n/app_en.arb Normal file
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{
"@@locale": "en",
"appTitle": "Worker App",
"@appTitle": {
"description": "The application title"
},
"home": "Home",
"@home": {
"description": "Home navigation item"
},
"products": "Products",
"@products": {
"description": "Products navigation item"
},
"loyalty": "Loyalty",
"@loyalty": {
"description": "Loyalty navigation item"
},
"account": "Account",
"@account": {
"description": "Account navigation item"
},
"more": "More",
"@more": {
"description": "More navigation item"
},
"login": "Login",
"phone": "Phone Number",
"enterPhone": "Enter phone number",
"enterPhoneHint": "Ex: 0912345678",
"continueButton": "Continue",
"verifyOTP": "Verify OTP",
"enterOTP": "Enter 6-digit OTP code",
"otpSentTo": "OTP code has been sent to {phone}",
"@otpSentTo": {
"description": "OTP sent message",
"placeholders": {
"phone": {
"type": "String",
"example": "0912345678"
}
}
},
"resendOTP": "Resend code",
"resendOTPIn": "Resend in {seconds}s",
"@resendOTPIn": {
"description": "Resend OTP countdown",
"placeholders": {
"seconds": {
"type": "int",
"example": "60"
}
}
},
"register": "Register",
"registerNewAccount": "Register new account",
"logout": "Logout",
"logoutConfirm": "Are you sure you want to logout?",
"save": "Save",
"cancel": "Cancel",
"delete": "Delete",
"edit": "Edit",
"search": "Search",
"filter": "Filter",
"sort": "Sort",
"confirm": "Confirm",
"close": "Close",
"back": "Back",
"next": "Next",
"submit": "Submit",
"apply": "Apply",
"clear": "Clear",
"clearAll": "Clear All",
"viewDetails": "View Details",
"viewAll": "View All",
"refresh": "Refresh",
"share": "Share",
"copy": "Copy",
"copied": "Copied",
"yes": "Yes",
"no": "No",
"pending": "Pending",
"processing": "Processing",
"shipping": "Shipping",
"completed": "Completed",
"cancelled": "Cancelled",
"active": "Active",
"inactive": "Inactive",
"expired": "Expired",
"draft": "Draft",
"sent": "Sent",
"accepted": "Accepted",
"rejected": "Rejected",
"name": "Name",
"fullName": "Full Name",
"email": "Email",
"password": "Password",
"currentPassword": "Current Password",
"newPassword": "New Password",
"confirmPassword": "Confirm Password",
"address": "Address",
"street": "Street",
"city": "City",
"district": "District",
"ward": "Ward",
"postalCode": "Postal Code",
"company": "Company",
"taxId": "Tax ID",
"dateOfBirth": "Date of Birth",
"gender": "Gender",
"male": "Male",
"female": "Female",
"other": "Other",
"contractor": "Contractor",
"architect": "Architect",
"distributor": "Distributor",
"broker": "Broker",
"selectUserType": "Select user type",
"points": "Points",
"currentPoints": "Current Points",
"pointsBalance": "{points} points",
"@pointsBalance": {
"description": "Points balance display",
"placeholders": {
"points": {
"type": "int",
"example": "1000"
}
}
},
"earnedPoints": "+{points} points",
"@earnedPoints": {
"description": "Points earned",
"placeholders": {
"points": {
"type": "int",
"example": "100"
}
}
},
"spentPoints": "-{points} points",
"@spentPoints": {
"description": "Points spent",
"placeholders": {
"points": {
"type": "int",
"example": "50"
}
}
},
"memberTier": "Member Tier",
"diamond": "Diamond",
"platinum": "Platinum",
"gold": "Gold",
"pointsToNextTier": "{points} points to reach {tier}",
"@pointsToNextTier": {
"description": "Points needed for next tier",
"placeholders": {
"points": {
"type": "int",
"example": "500"
},
"tier": {
"type": "String",
"example": "Platinum"
}
}
},
"rewards": "Rewards",
"redeemReward": "Redeem Reward",
"pointsHistory": "Points History",
"myGifts": "My Gifts",
"referral": "Refer Friends",
"referralCode": "Referral Code",
"referralLink": "Referral Link",
"totalReferrals": "Total Referrals",
"shareReferralCode": "Share Referral Code",
"copyReferralCode": "Copy Code",
"copyReferralLink": "Copy Link",
"product": "Product",
"productName": "Product Name",
"productCode": "Product Code",
"price": "Price",
"salePrice": "Sale Price",
"quantity": "Quantity",
"stock": "Stock",
"inStock": "In Stock",
"outOfStock": "Out of Stock",
"category": "Category",
"allCategories": "All Categories",
"addToCart": "Add to Cart",
"cart": "Cart",
"cartEmpty": "Cart is empty",
"cartItemsCount": "{count} items",
"@cartItemsCount": {
"description": "Number of items in cart",
"placeholders": {
"count": {
"type": "int",
"example": "3"
}
}
},
"removeFromCart": "Remove from Cart",
"clearCart": "Clear Cart",
"clearCartConfirm": "Are you sure you want to clear all items from the cart?",
"checkout": "Checkout",
"subtotal": "Subtotal",
"discount": "Discount",
"shipping": "Shipping",
"total": "Total",
"placeOrder": "Place Order",
"orderPlaced": "Order Placed",
"orderSuccess": "Order Successful",
"orders": "Orders",
"myOrders": "My Orders",
"orderNumber": "Order Number",
"orderDate": "Order Date",
"orderStatus": "Order Status",
"orderDetails": "Order Details",
"trackOrder": "Track Order",
"reorder": "Reorder",
"paymentMethod": "Payment Method",
"cashOnDelivery": "Cash on Delivery",
"bankTransfer": "Bank Transfer",
"creditCard": "Credit Card",
"eWallet": "E-Wallet",
"deliveryAddress": "Delivery Address",
"estimatedDelivery": "Estimated Delivery",
"payments": "Payments",
"paymentId": "Payment ID",
"paymentStatus": "Payment Status",
"projects": "Projects",
"myProjects": "My Projects",
"createProject": "Create Project",
"projectName": "Project Name",
"projectCode": "Project Code",
"projectType": "Project Type",
"residential": "Residential",
"commercial": "Commercial",
"industrial": "Industrial",
"client": "Client",
"clientName": "Client Name",
"clientPhone": "Client Phone",
"location": "Location",
"startDate": "Start Date",
"endDate": "End Date",
"progress": "Progress",
"budget": "Budget",
"description": "Description",
"notes": "Notes",
"quotes": "Quotes",
"createQuote": "Create Quote",
"quoteNumber": "Quote Number",
"quoteDate": "Quote Date",
"validity": "Validity",
"convertToOrder": "Convert to Order",
"duplicate": "Duplicate",
"profile": "Profile",
"editProfile": "Edit Profile",
"avatar": "Avatar",
"uploadAvatar": "Upload Avatar",
"changePassword": "Change Password",
"passwordChanged": "Password changed successfully",
"addresses": "Addresses",
"myAddresses": "My Addresses",
"addAddress": "Add Address",
"editAddress": "Edit Address",
"deleteAddress": "Delete Address",
"deleteAddressConfirm": "Are you sure you want to delete this address?",
"setAsDefault": "Set as Default",
"defaultAddress": "Default Address",
"homeAddress": "Home",
"officeAddress": "Office",
"settings": "Settings",
"notifications": "Notifications",
"notificationSettings": "Notification Settings",
"language": "Language",
"theme": "Theme",
"lightMode": "Light",
"darkMode": "Dark",
"systemMode": "System",
"promotions": "Promotions",
"promotion": "Promotion",
"activePromotions": "Active Promotions",
"upcomingPromotions": "Upcoming Promotions",
"expiredPromotions": "Expired Promotions",
"claimPromotion": "Claim Promotion",
"termsAndConditions": "Terms & Conditions",
"chat": "Chat",
"chatSupport": "Chat Support",
"sendMessage": "Send Message",
"typeMessage": "Type a message...",
"typingIndicator": "typing...",
"attachFile": "Attach File",
"supportAgent": "Support Agent",
"fieldRequired": "This field is required",
"invalidPhone": "Invalid phone number",
"invalidEmail": "Invalid email",
"invalidOTP": "Invalid OTP code",
"passwordTooShort": "Password must be at least 8 characters",
"passwordsNotMatch": "Passwords do not match",
"passwordRequirements": "Password must be at least 8 characters and include uppercase, lowercase, numbers, and special characters",
"invalidAmount": "Invalid amount",
"insufficientPoints": "Insufficient points to redeem",
"error": "Error",
"errorOccurred": "An error occurred",
"networkError": "Network error. Please check your internet connection.",
"serverError": "Server error. Please try again later.",
"sessionExpired": "Session expired. Please login again.",
"notFound": "Not found",
"unauthorized": "Unauthorized access",
"tryAgain": "Try Again",
"contactSupport": "Contact Support",
"success": "Success",
"savedSuccessfully": "Saved successfully",
"updatedSuccessfully": "Updated successfully",
"deletedSuccessfully": "Deleted successfully",
"sentSuccessfully": "Sent successfully",
"redeemSuccessful": "Reward redeemed successfully",
"giftCode": "Gift Code",
"loading": "Loading...",
"loadingData": "Loading data...",
"processing": "Processing...",
"pleaseWait": "Please wait...",
"noData": "No data",
"noResults": "No results",
"noProductsFound": "No products found",
"noOrdersYet": "No orders yet",
"noProjectsYet": "No projects yet",
"noNotifications": "No notifications",
"noGiftsYet": "No gifts yet",
"startShopping": "Start Shopping",
"createFirstProject": "Create Your First Project",
"today": "Today",
"yesterday": "Yesterday",
"thisWeek": "This Week",
"thisMonth": "This Month",
"all": "All",
"dateRange": "Date Range",
"from": "From",
"to": "To",
"date": "Date",
"time": "Time",
"version": "Version",
"appVersion": "App Version",
"help": "Help",
"helpCenter": "Help Center",
"aboutUs": "About Us",
"privacyPolicy": "Privacy Policy",
"termsOfService": "Terms of Service",
"rateApp": "Rate App",
"feedback": "Feedback",
"sendFeedback": "Send Feedback",
"unsavedChanges": "Unsaved Changes",
"unsavedChangesMessage": "Do you want to save changes before leaving?",
"welcome": "Welcome",
"welcomeBack": "Welcome Back",
"welcomeTo": "Welcome to {appName}",
"@welcomeTo": {
"description": "Welcome message with app name",
"placeholders": {
"appName": {
"type": "String",
"example": "Worker App"
}
}
},
"itemsInCart": "{count, plural, =0{No items} =1{1 item} other{{count} items}}",
"@itemsInCart": {
"description": "Number of items in cart with pluralization",
"placeholders": {
"count": {
"type": "int",
"example": "3"
}
}
},
"ordersCount": "{count, plural, =0{No orders} =1{1 order} other{{count} orders}}",
"@ordersCount": {
"description": "Number of orders with pluralization",
"placeholders": {
"count": {
"type": "int",
"example": "5"
}
}
},
"projectsCount": "{count, plural, =0{No projects} =1{1 project} other{{count} projects}}",
"@projectsCount": {
"description": "Number of projects with pluralization",
"placeholders": {
"count": {
"type": "int",
"example": "3"
}
}
},
"daysRemaining": "{count, plural, =0{Today} =1{1 day left} other{{count} days left}}",
"@daysRemaining": {
"description": "Days remaining with pluralization",
"placeholders": {
"count": {
"type": "int",
"example": "7"
}
}
},
"formatCurrency": "{amount} ₫",
"@formatCurrency": {
"description": "Format currency in Vietnamese Dong",
"placeholders": {
"amount": {
"type": "String",
"example": "1,000,000"
}
}
},
"formatDate": "{month}/{day}/{year}",
"@formatDate": {
"description": "Date format MM/DD/YYYY",
"placeholders": {
"day": {
"type": "String"
},
"month": {
"type": "String"
},
"year": {
"type": "String"
}
}
},
"formatDateTime": "{month}/{day}/{year} at {hour}:{minute}",
"@formatDateTime": {
"description": "DateTime format MM/DD/YYYY at HH:mm",
"placeholders": {
"day": {"type": "String"},
"month": {"type": "String"},
"year": {"type": "String"},
"hour": {"type": "String"},
"minute": {"type": "String"}
}
},
"memberSince": "Member since {date}",
"@memberSince": {
"description": "Member since date",
"placeholders": {
"date": {
"type": "String",
"example": "01/2024"
}
}
},
"validUntil": "Valid until {date}",
"@validUntil": {
"description": "Valid until date",
"placeholders": {
"date": {
"type": "String",
"example": "12/31/2024"
}
}
},
"used": "Used",
"unused": "Unused",
"available": "Available",
"unavailable": "Unavailable",
"validFrom": "Valid from",
"validTo": "Valid to",
"usageInstructions": "Usage Instructions",
"useNow": "Use Now",
"scanQRCode": "Scan QR Code",
"scanBarcode": "Scan Barcode",
"qrCodeScanner": "QR Code Scanner",
"memberId": "Member ID",
"showQRCode": "Show QR Code",
"tier": "Tier",
"tierBenefits": "Tier Benefits",
"pointsMultiplier": "Points Multiplier",
"multiplierX": "x{multiplier}",
"@multiplierX": {
"description": "Points multiplier display",
"placeholders": {
"multiplier": {
"type": "String",
"example": "1.5"
}
}
},
"specialOffers": "Special Offers",
"exclusiveDiscounts": "Exclusive Discounts",
"prioritySupport": "Priority Support",
"earlyAccess": "Early Access",
"birthdayGift": "Birthday Gift",
"transactionType": "Transaction Type",
"earnPoints": "Earn Points",
"redeemPoints": "Redeem Points",
"bonusPoints": "Bonus Points",
"refundPoints": "Refund Points",
"expiredPoints": "Expired Points",
"transferPoints": "Transfer Points",
"pointsExpiry": "Points Expiry",
"pointsWillExpireOn": "Points will expire on {date}",
"@pointsWillExpireOn": {
"description": "Points expiration date",
"placeholders": {
"date": {
"type": "String",
"example": "12/31/2024"
}
}
},
"pointsExpiringSoon": "{points} points expiring soon",
"@pointsExpiringSoon": {
"description": "Points expiring soon warning",
"placeholders": {
"points": {
"type": "int",
"example": "100"
}
}
},
"newBalance": "New Balance",
"previousBalance": "Previous Balance",
"balanceAfter": "Balance After Transaction",
"disputeTransaction": "Dispute Transaction",
"disputeReason": "Dispute Reason",
"disputeSubmitted": "Dispute Submitted",
"rewardCategory": "Reward Category",
"vouchers": "Vouchers",
"productRewards": "Product Rewards",
"services": "Services",
"experiences": "Experiences",
"pointsCost": "Points Cost",
"pointsRequired": "Requires {points} points",
"@pointsRequired": {
"description": "Points required for reward",
"placeholders": {
"points": {
"type": "int",
"example": "500"
}
}
},
"expiryDate": "Expiry Date",
"expiresOn": "Expires on {date}",
"@expiresOn": {
"description": "Expiration date",
"placeholders": {
"date": {
"type": "String",
"example": "12/31/2024"
}
}
},
"redeemConfirm": "Confirm Redemption",
"redeemConfirmMessage": "Are you sure you want to redeem {points} points for {reward}?",
"@redeemConfirmMessage": {
"description": "Redeem confirmation message",
"placeholders": {
"points": {
"type": "int",
"example": "500"
},
"reward": {
"type": "String",
"example": "Gift Voucher"
}
}
},
"giftStatus": "Gift Status",
"activeGifts": "Active Gifts",
"usedGifts": "Used Gifts",
"expiredGifts": "Expired Gifts",
"giftDetails": "Gift Details",
"howToUse": "How to Use",
"referralInvite": "Invite Friends",
"referralReward": "Referral Reward",
"referralSuccess": "Referral Successful",
"friendsReferred": "Friends Referred",
"pointsEarned": "Points Earned",
"referralSteps": "How It Works",
"step1": "Step 1",
"step2": "Step 2",
"step3": "Step 3",
"shareYourCode": "Share Your Code",
"friendRegisters": "Friend Registers",
"bothGetRewards": "Both Get Rewards",
"inviteFriends": "Invite Friends",
"sku": "SKU",
"brand": "Brand",
"model": "Model",
"specification": "Specification",
"specifications": "Specifications",
"material": "Material",
"size": "Size",
"color": "Color",
"weight": "Weight",
"dimensions": "Dimensions",
"availability": "Availability",
"addedToCart": "Added to Cart",
"productDetails": "Product Details",
"relatedProducts": "Related Products",
"recommended": "Recommended",
"newArrival": "New Arrival",
"bestSeller": "Best Seller",
"onSale": "On Sale",
"limitedStock": "Limited Stock",
"lowStock": "Low Stock",
"updateQuantity": "Update Quantity",
"itemRemoved": "Item Removed",
"cartUpdated": "Cart Updated",
"proceedToCheckout": "Proceed to Checkout",
"continueShopping": "Continue Shopping",
"emptyCart": "Empty Cart",
"emptyCartMessage": "You don't have any items in your cart",
"selectAddress": "Select Address",
"selectPaymentMethod": "Select Payment Method",
"orderSummary": "Order Summary",
"orderConfirmation": "Order Confirmation",
"orderSuccessMessage": "Your order has been placed successfully!",
"orderNumberIs": "Order Number: {orderNumber}",
"@orderNumberIs": {
"description": "Order number display",
"placeholders": {
"orderNumber": {
"type": "String",
"example": "ORD-2024-001"
}
}
},
"estimatedDeliveryDate": "Estimated Delivery: {date}",
"@estimatedDeliveryDate": {
"description": "Estimated delivery date",
"placeholders": {
"date": {
"type": "String",
"example": "12/25/2024"
}
}
},
"viewOrder": "View Order",
"backToHome": "Back to Home",
"allOrders": "All Orders",
"pendingOrders": "Pending",
"processingOrders": "Processing",
"shippingOrders": "Shipping",
"completedOrders": "Completed",
"cancelledOrders": "Cancelled",
"cancelOrder": "Cancel Order",
"cancelOrderConfirm": "Are you sure you want to cancel this order?",
"cancelReason": "Cancellation Reason",
"orderCancelled": "Order Cancelled",
"orderTimeline": "Order Timeline",
"orderPlacedAt": "Order placed at",
"orderProcessedAt": "Order processed at",
"orderShippedAt": "Order shipped at",
"orderDeliveredAt": "Order delivered at",
"trackingNumber": "Tracking Number",
"shippingCarrier": "Shipping Carrier",
"allProjects": "All Projects",
"planningProjects": "Planning",
"inProgressProjects": "In Progress",
"completedProjects": "Completed",
"projectDetails": "Project Details",
"projectStatus": "Project Status",
"updateProgress": "Update Progress",
"progressUpdated": "Progress Updated",
"projectCompleted": "Project Completed",
"completeProject": "Complete Project",
"completeProjectConfirm": "Are you sure you want to mark this project as completed?",
"deleteProject": "Delete Project",
"deleteProjectConfirm": "Are you sure you want to delete this project?",
"projectPhotos": "Project Photos",
"addPhotos": "Add Photos",
"projectDocuments": "Project Documents",
"uploadDocument": "Upload Document",
"allQuotes": "All Quotes",
"draftQuotes": "Drafts",
"sentQuotes": "Sent",
"acceptedQuotes": "Accepted",
"rejectedQuotes": "Rejected",
"expiredQuotes": "Expired",
"quoteDetails": "Quote Details",
"sendQuote": "Send Quote",
"sendQuoteConfirm": "Are you sure you want to send this quote to the client?",
"quoteSent": "Quote Sent",
"acceptQuote": "Accept Quote",
"rejectQuote": "Reject Quote",
"deleteQuote": "Delete Quote",
"deleteQuoteConfirm": "Are you sure you want to delete this quote?",
"quoteItems": "Quote Items",
"addItem": "Add Item",
"editItem": "Edit Item",
"removeItem": "Remove Item",
"recipient": "Recipient",
"recipientName": "Recipient Name",
"recipientPhone": "Recipient Phone",
"addressType": "Address Type",
"addressLabel": "Address Label",
"setDefault": "Set as Default",
"defaultLabel": "Default",
"addressSaved": "Address Saved",
"currentPasswordRequired": "Please enter current password",
"newPasswordRequired": "Please enter new password",
"confirmPasswordRequired": "Please confirm new password",
"incorrectPassword": "Incorrect password",
"passwordStrength": "Password Strength",
"weak": "Weak",
"medium": "Medium",
"strong": "Strong",
"veryStrong": "Very Strong",
"passwordRequirement1": "At least 8 characters",
"passwordRequirement2": "Include uppercase letter",
"passwordRequirement3": "Include lowercase letter",
"passwordRequirement4": "Include number",
"passwordRequirement5": "Include special character",
"uploadPhoto": "Upload Photo",
"takePhoto": "Take Photo",
"chooseFromGallery": "Choose from Gallery",
"removePhoto": "Remove Photo",
"cropPhoto": "Crop Photo",
"photoUploaded": "Photo Uploaded",
"enableNotifications": "Enable Notifications",
"disableNotifications": "Disable Notifications",
"orderNotifications": "Order Notifications",
"promotionNotifications": "Promotion Notifications",
"systemNotifications": "System Notifications",
"chatNotifications": "Chat Notifications",
"pushNotifications": "Push Notifications",
"emailNotifications": "Email Notifications",
"smsNotifications": "SMS Notifications",
"vietnamese": "Vietnamese",
"english": "English",
"selectLanguage": "Select Language",
"languageChanged": "Language Changed",
"selectTheme": "Select Theme",
"themeChanged": "Theme Changed",
"autoTheme": "Auto",
"allNotifications": "All",
"orderNotification": "Orders",
"systemNotification": "System",
"promotionNotification": "Promotions",
"markAsRead": "Mark as Read",
"markAllAsRead": "Mark All as Read",
"deleteNotification": "Delete Notification",
"clearNotifications": "Clear All Notifications",
"clearNotificationsConfirm": "Are you sure you want to clear all notifications?",
"notificationCleared": "Notification Cleared",
"unreadNotifications": "{count} unread notifications",
"@unreadNotifications": {
"description": "Unread notifications count",
"placeholders": {
"count": {
"type": "int",
"example": "5"
}
}
},
"online": "Online",
"offline": "Offline",
"away": "Away",
"busy": "Busy",
"lastSeenAt": "Last seen {time}",
"@lastSeenAt": {
"description": "Last seen timestamp",
"placeholders": {
"time": {
"type": "String",
"example": "10 minutes ago"
}
}
},
"messageRead": "Read",
"messageDelivered": "Delivered",
"messageSent": "Sent",
"messageFailed": "Failed",
"retryMessage": "Retry",
"deleteMessage": "Delete Message",
"deleteMessageConfirm": "Are you sure you want to delete this message?",
"messageDeleted": "Message Deleted",
"filterBy": "Filter By",
"sortBy": "Sort By",
"priceAscending": "Price: Low to High",
"priceDescending": "Price: High to Low",
"nameAscending": "Name: A-Z",
"nameDescending": "Name: Z-A",
"dateAscending": "Oldest First",
"dateDescending": "Newest First",
"popularityDescending": "Most Popular",
"applyFilters": "Apply Filters",
"clearFilters": "Clear Filters",
"filterApplied": "Filter Applied",
"noFilterApplied": "No Filter Applied",
"connectionError": "Connection Error",
"noInternetConnection": "No Internet Connection",
"checkConnection": "Check Connection",
"retryConnection": "Retry Connection",
"offlineMode": "Offline Mode",
"syncData": "Sync Data",
"syncInProgress": "Syncing...",
"syncCompleted": "Sync Completed",
"syncFailed": "Sync Failed",
"lastSyncAt": "Last sync: {time}",
"@lastSyncAt": {
"description": "Last sync timestamp",
"placeholders": {
"time": {
"type": "String",
"example": "5 minutes ago"
}
}
},
"minutesAgo": "{minutes} minutes ago",
"@minutesAgo": {
"placeholders": {
"minutes": {"type": "int"}
}
},
"hoursAgo": "{hours} hours ago",
"@hoursAgo": {
"placeholders": {
"hours": {"type": "int"}
}
},
"daysAgo": "{days} days ago",
"@daysAgo": {
"placeholders": {
"days": {"type": "int"}
}
},
"weeksAgo": "{weeks} weeks ago",
"@weeksAgo": {
"placeholders": {
"weeks": {"type": "int"}
}
},
"monthsAgo": "{months} months ago",
"@monthsAgo": {
"placeholders": {
"months": {"type": "int"}
}
},
"yearsAgo": "{years} years ago",
"@yearsAgo": {
"placeholders": {
"years": {"type": "int"}
}
},
"justNow": "Just now",
"comingSoon": "Coming Soon",
"underMaintenance": "Under Maintenance",
"featureNotAvailable": "Feature Not Available",
"pageNotFound": "Page Not Found",
"goToHomePage": "Go to Home Page"
}

914
lib/l10n/app_vi.arb Normal file
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{
"@@locale": "vi",
"appTitle": "Worker App",
"@appTitle": {
"description": "The application title"
},
"home": "Trang chủ",
"@home": {
"description": "Home navigation item"
},
"products": "Sản phẩm",
"@products": {
"description": "Products navigation item"
},
"loyalty": "Hội viên",
"@loyalty": {
"description": "Loyalty navigation item"
},
"account": "Tài khoản",
"@account": {
"description": "Account navigation item"
},
"more": "Thêm",
"@more": {
"description": "More navigation item"
},
"login": "Đăng nhập",
"phone": "Số điện thoại",
"enterPhone": "Nhập số điện thoại",
"enterPhoneHint": "VD: 0912345678",
"continueButton": "Tiếp tục",
"verifyOTP": "Xác thực OTP",
"enterOTP": "Nhập mã OTP 6 số",
"otpSentTo": "Mã OTP đã được gửi đến {phone}",
"@otpSentTo": {
"description": "OTP sent message",
"placeholders": {
"phone": {
"type": "String",
"example": "0912345678"
}
}
},
"resendOTP": "Gửi lại mã",
"resendOTPIn": "Gửi lại sau {seconds}s",
"@resendOTPIn": {
"description": "Resend OTP countdown",
"placeholders": {
"seconds": {
"type": "int",
"example": "60"
}
}
},
"register": "Đăng ký",
"registerNewAccount": "Đăng ký tài khoản mới",
"logout": "Đăng xuất",
"logoutConfirm": "Bạn có chắc chắn muốn đăng xuất?",
"save": "Lưu",
"cancel": "Hủy",
"delete": "Xóa",
"edit": "Sửa",
"search": "Tìm kiếm",
"filter": "Lọc",
"sort": "Sắp xếp",
"confirm": "Xác nhận",
"close": "Đóng",
"back": "Quay lại",
"next": "Tiếp theo",
"submit": "Gửi",
"apply": "Áp dụng",
"clear": "Xóa",
"clearAll": "Xóa tất cả",
"viewDetails": "Xem chi tiết",
"viewAll": "Xem tất cả",
"refresh": "Làm mới",
"share": "Chia sẻ",
"copy": "Sao chép",
"copied": "Đã sao chép",
"yes": "Có",
"no": "Không",
"pending": "Chờ xử lý",
"processing": "Đang xử lý",
"shipping": "Đang giao hàng",
"completed": "Hoàn thành",
"cancelled": "Đã hủy",
"active": "Đang hoạt động",
"inactive": "Ngưng hoạt động",
"expired": "Hết hạn",
"draft": "Bản nháp",
"sent": "Đã gửi",
"accepted": "Đã chấp nhận",
"rejected": "Đã từ chối",
"name": "Tên",
"fullName": "Họ và tên",
"email": "Email",
"password": "Mật khẩu",
"currentPassword": "Mật khẩu hiện tại",
"newPassword": "Mật khẩu mới",
"confirmPassword": "Xác nhận mật khẩu",
"address": "Địa chỉ",
"street": "Đường",
"city": "Thành phố",
"district": "Quận/Huyện",
"ward": "Phường/Xã",
"postalCode": "Mã bưu điện",
"company": "Công ty",
"taxId": "Mã số thuế",
"dateOfBirth": "Ngày sinh",
"gender": "Giới tính",
"male": "Nam",
"female": "Nữ",
"other": "Khác",
"contractor": "Thầu thợ",
"architect": "Kiến trúc sư",
"distributor": "Đại lý phân phối",
"broker": "Môi giới",
"selectUserType": "Chọn loại người dùng",
"points": "Điểm",
"currentPoints": "Điểm hiện tại",
"pointsBalance": "{points} điểm",
"@pointsBalance": {
"description": "Points balance display",
"placeholders": {
"points": {
"type": "int",
"example": "1000"
}
}
},
"earnedPoints": "+{points} điểm",
"@earnedPoints": {
"description": "Points earned",
"placeholders": {
"points": {
"type": "int",
"example": "100"
}
}
},
"spentPoints": "-{points} điểm",
"@spentPoints": {
"description": "Points spent",
"placeholders": {
"points": {
"type": "int",
"example": "50"
}
}
},
"memberTier": "Hạng thành viên",
"diamond": "Kim cương",
"platinum": "Bạch kim",
"gold": "Vàng",
"pointsToNextTier": "Còn {points} điểm để lên hạng {tier}",
"@pointsToNextTier": {
"description": "Points needed for next tier",
"placeholders": {
"points": {
"type": "int",
"example": "500"
},
"tier": {
"type": "String",
"example": "Platinum"
}
}
},
"rewards": "Quà tặng",
"redeemReward": "Đổi quà",
"pointsHistory": "Lịch sử điểm",
"myGifts": "Quà của tôi",
"referral": "Giới thiệu bạn bè",
"referralCode": "Mã giới thiệu",
"referralLink": "Link giới thiệu",
"totalReferrals": "Tổng số người giới thiệu",
"shareReferralCode": "Chia sẻ mã giới thiệu",
"copyReferralCode": "Sao chép mã",
"copyReferralLink": "Sao chép link",
"product": "Sản phẩm",
"productName": "Tên sản phẩm",
"productCode": "Mã sản phẩm",
"price": "Giá",
"salePrice": "Giá khuyến mãi",
"quantity": "Số lượng",
"stock": "Kho",
"inStock": "Còn hàng",
"outOfStock": "Hết hàng",
"category": "Danh mục",
"allCategories": "Tất cả danh mục",
"addToCart": "Thêm vào giỏ",
"cart": "Giỏ hàng",
"cartEmpty": "Giỏ hàng trống",
"cartItemsCount": "{count} sản phẩm",
"@cartItemsCount": {
"description": "Number of items in cart",
"placeholders": {
"count": {
"type": "int",
"example": "3"
}
}
},
"removeFromCart": "Xóa khỏi giỏ",
"clearCart": "Xóa giỏ hàng",
"clearCartConfirm": "Bạn có chắc chắn muốn xóa tất cả sản phẩm trong giỏ hàng?",
"checkout": "Thanh toán",
"subtotal": "Tạm tính",
"discount": "Giảm giá",
"shipping": "Phí vận chuyển",
"total": "Tổng cộng",
"placeOrder": "Đặt hàng",
"orderPlaced": "Đơn hàng đã được đặt",
"orderSuccess": "Đặt hàng thành công",
"orders": "Đơn hàng",
"myOrders": "Đơn hàng của tôi",
"orderNumber": "Số đơn hàng",
"orderDate": "Ngày đặt",
"orderStatus": "Trạng thái đơn hàng",
"orderDetails": "Chi tiết đơn hàng",
"trackOrder": "Theo dõi đơn hàng",
"reorder": "Đặt lại",
"paymentMethod": "Phương thức thanh toán",
"cashOnDelivery": "Thanh toán khi nhận hàng",
"bankTransfer": "Chuyển khoản ngân hàng",
"creditCard": "Thẻ tín dụng",
"eWallet": "Ví điện tử",
"deliveryAddress": "Địa chỉ giao hàng",
"estimatedDelivery": "Dự kiến giao hàng",
"payments": "Thanh toán",
"paymentId": "Mã thanh toán",
"paymentStatus": "Trạng thái thanh toán",
"projects": "Công trình",
"myProjects": "Công trình của tôi",
"createProject": "Tạo công trình",
"projectName": "Tên công trình",
"projectCode": "Mã công trình",
"projectType": "Loại công trình",
"residential": "Dân dụng",
"commercial": "Thương mại",
"industrial": "Công nghiệp",
"client": "Khách hàng",
"clientName": "Tên khách hàng",
"clientPhone": "SĐT khách hàng",
"location": "Vị trí",
"startDate": "Ngày bắt đầu",
"endDate": "Ngày kết thúc",
"progress": "Tiến độ",
"budget": "Ngân sách",
"description": "Mô tả",
"notes": "Ghi chú",
"quotes": "Báo giá",
"createQuote": "Tạo báo giá",
"quoteNumber": "Số báo giá",
"quoteDate": "Ngày báo giá",
"validity": "Hiệu lực",
"convertToOrder": "Chuyển thành đơn hàng",
"duplicate": "Nhân bản",
"profile": "Hồ sơ",
"editProfile": "Chỉnh sửa hồ sơ",
"avatar": "Ảnh đại diện",
"uploadAvatar": "Tải lên ảnh đại diện",
"changePassword": "Đổi mật khẩu",
"passwordChanged": "Mật khẩu đã được thay đổi",
"addresses": "Địa chỉ",
"myAddresses": "Địa chỉ của tôi",
"addAddress": "Thêm địa chỉ",
"editAddress": "Sửa địa chỉ",
"deleteAddress": "Xóa địa chỉ",
"deleteAddressConfirm": "Bạn có chắc chắn muốn xóa địa chỉ này?",
"setAsDefault": "Đặt làm mặc định",
"defaultAddress": "Địa chỉ mặc định",
"homeAddress": "Nhà riêng",
"officeAddress": "Văn phòng",
"settings": "Cài đặt",
"notifications": "Thông báo",
"notificationSettings": "Cài đặt thông báo",
"language": "Ngôn ngữ",
"theme": "Giao diện",
"lightMode": "Sáng",
"darkMode": "Tối",
"systemMode": "Theo hệ thống",
"promotions": "Khuyến mãi",
"promotion": "Chương trình khuyến mãi",
"activePromotions": "Khuyến mãi đang diễn ra",
"upcomingPromotions": "Khuyến mãi sắp diễn ra",
"expiredPromotions": "Khuyến mãi đã kết thúc",
"claimPromotion": "Nhận ưu đãi",
"termsAndConditions": "Điều khoản & Điều kiện",
"chat": "Trò chuyện",
"chatSupport": "Hỗ trợ trực tuyến",
"sendMessage": "Gửi tin nhắn",
"typeMessage": "Nhập tin nhắn...",
"typingIndicator": "đang nhập...",
"attachFile": "Đính kèm tệp",
"supportAgent": "Nhân viên hỗ trợ",
"fieldRequired": "Trường này là bắt buộc",
"invalidPhone": "Số điện thoại không hợp lệ",
"invalidEmail": "Email không hợp lệ",
"invalidOTP": "Mã OTP không hợp lệ",
"passwordTooShort": "Mật khẩu phải có ít nhất 8 ký tự",
"passwordsNotMatch": "Mật khẩu không khớp",
"passwordRequirements": "Mật khẩu phải có ít nhất 8 ký tự, bao gồm chữ hoa, chữ thường, số và ký tự đặc biệt",
"invalidAmount": "Số tiền không hợp lệ",
"insufficientPoints": "Không đủ điểm để đổi quà",
"error": "Lỗi",
"errorOccurred": "Đã xảy ra lỗi",
"networkError": "Lỗi kết nối mạng. Vui lòng kiểm tra kết nối internet của bạn.",
"serverError": "Lỗi máy chủ. Vui lòng thử lại sau.",
"sessionExpired": "Phiên đăng nhập đã hết hạn. Vui lòng đăng nhập lại.",
"notFound": "Không tìm thấy",
"unauthorized": "Không có quyền truy cập",
"tryAgain": "Thử lại",
"contactSupport": "Liên hệ hỗ trợ",
"success": "Thành công",
"savedSuccessfully": "Đã lưu thành công",
"updatedSuccessfully": "Đã cập nhật thành công",
"deletedSuccessfully": "Đã xóa thành công",
"sentSuccessfully": "Đã gửi thành công",
"redeemSuccessful": "Đổi quà thành công",
"giftCode": "Mã quà tặng",
"loading": "Đang tải...",
"loadingData": "Đang tải dữ liệu...",
"processing": "Đang xử lý...",
"pleaseWait": "Vui lòng đợi...",
"noData": "Không có dữ liệu",
"noResults": "Không có kết quả",
"noProductsFound": "Không tìm thấy sản phẩm",
"noOrdersYet": "Chưa có đơn hàng nào",
"noProjectsYet": "Chưa có công trình nào",
"noNotifications": "Không có thông báo",
"noGiftsYet": "Chưa có quà tặng nào",
"startShopping": "Bắt đầu mua sắm",
"createFirstProject": "Tạo công trình đầu tiên",
"today": "Hôm nay",
"yesterday": "Hôm qua",
"thisWeek": "Tuần này",
"thisMonth": "Tháng này",
"all": "Tất cả",
"dateRange": "Khoảng thời gian",
"from": "Từ",
"to": "Đến",
"date": "Ngày",
"time": "Giờ",
"version": "Phiên bản",
"appVersion": "Phiên bản ứng dụng",
"help": "Trợ giúp",
"helpCenter": "Trung tâm trợ giúp",
"aboutUs": "Về chúng tôi",
"privacyPolicy": "Chính sách bảo mật",
"termsOfService": "Điều khoản sử dụng",
"rateApp": "Đánh giá ứng dụng",
"feedback": "Phản hồi",
"sendFeedback": "Gửi phản hồi",
"unsavedChanges": "Có thay đổi chưa được lưu",
"unsavedChangesMessage": "Bạn có muốn lưu các thay đổi trước khi thoát?",
"welcome": "Chào mừng",
"welcomeBack": "Chào mừng trở lại",
"welcomeTo": "Chào mừng đến với {appName}",
"@welcomeTo": {
"description": "Welcome message with app name",
"placeholders": {
"appName": {
"type": "String",
"example": "Worker App"
}
}
},
"itemsInCart": "{count, plural, =0{Không có sản phẩm} =1{1 sản phẩm} other{{count} sản phẩm}}",
"@itemsInCart": {
"description": "Number of items in cart with pluralization",
"placeholders": {
"count": {
"type": "int",
"example": "3"
}
}
},
"ordersCount": "{count, plural, =0{Không có đơn hàng} =1{1 đơn hàng} other{{count} đơn hàng}}",
"@ordersCount": {
"description": "Number of orders with pluralization",
"placeholders": {
"count": {
"type": "int",
"example": "5"
}
}
},
"projectsCount": "{count, plural, =0{Không có công trình} =1{1 công trình} other{{count} công trình}}",
"@projectsCount": {
"description": "Number of projects with pluralization",
"placeholders": {
"count": {
"type": "int",
"example": "3"
}
}
},
"daysRemaining": "{count, plural, =0{Hôm nay} =1{Còn 1 ngày} other{Còn {count} ngày}}",
"@daysRemaining": {
"description": "Days remaining with pluralization",
"placeholders": {
"count": {
"type": "int",
"example": "7"
}
}
},
"formatCurrency": "{amount} ₫",
"@formatCurrency": {
"description": "Format currency in Vietnamese Dong",
"placeholders": {
"amount": {
"type": "String",
"example": "1.000.000"
}
}
},
"formatDate": "{day}/{month}/{year}",
"@formatDate": {
"description": "Date format DD/MM/YYYY",
"placeholders": {
"day": {
"type": "String"
},
"month": {
"type": "String"
},
"year": {
"type": "String"
}
}
},
"formatDateTime": "{day}/{month}/{year} lúc {hour}:{minute}",
"@formatDateTime": {
"description": "DateTime format DD/MM/YYYY at HH:mm",
"placeholders": {
"day": {"type": "String"},
"month": {"type": "String"},
"year": {"type": "String"},
"hour": {"type": "String"},
"minute": {"type": "String"}
}
},
"memberSince": "Thành viên từ {date}",
"@memberSince": {
"description": "Member since date",
"placeholders": {
"date": {
"type": "String",
"example": "01/2024"
}
}
},
"validUntil": "Có hiệu lực đến {date}",
"@validUntil": {
"description": "Valid until date",
"placeholders": {
"date": {
"type": "String",
"example": "31/12/2024"
}
}
},
"used": "Đã sử dụng",
"unused": "Chưa sử dụng",
"available": "Có sẵn",
"unavailable": "Không có sẵn",
"validFrom": "Có hiệu lực từ",
"validTo": "Có hiệu lực đến",
"usageInstructions": "Hướng dẫn sử dụng",
"useNow": "Sử dụng ngay",
"scanQRCode": "Quét mã QR",
"scanBarcode": "Quét mã vạch",
"qrCodeScanner": "Quét mã QR",
"memberId": "Mã thành viên",
"showQRCode": "Hiển thị mã QR",
"tier": "Hạng",
"tierBenefits": "Quyền lợi hạng thành viên",
"pointsMultiplier": "Hệ số điểm",
"multiplierX": "x{multiplier}",
"@multiplierX": {
"description": "Points multiplier display",
"placeholders": {
"multiplier": {
"type": "String",
"example": "1.5"
}
}
},
"specialOffers": "Ưu đãi đặc biệt",
"exclusiveDiscounts": "Giảm giá độc quyền",
"prioritySupport": "Hỗ trợ ưu tiên",
"earlyAccess": "Truy cập sớm",
"birthdayGift": "Quà sinh nhật",
"transactionType": "Loại giao dịch",
"earnPoints": "Tích điểm",
"redeemPoints": "Đổi điểm",
"bonusPoints": "Điểm thưởng",
"refundPoints": "Hoàn điểm",
"expiredPoints": "Điểm hết hạn",
"transferPoints": "Chuyển điểm",
"pointsExpiry": "Điểm hết hạn",
"pointsWillExpireOn": "Điểm sẽ hết hạn vào {date}",
"@pointsWillExpireOn": {
"description": "Points expiration date",
"placeholders": {
"date": {
"type": "String",
"example": "31/12/2024"
}
}
},
"pointsExpiringSoon": "{points} điểm sắp hết hạn",
"@pointsExpiringSoon": {
"description": "Points expiring soon warning",
"placeholders": {
"points": {
"type": "int",
"example": "100"
}
}
},
"newBalance": "Số dư mới",
"previousBalance": "Số dư trước đó",
"balanceAfter": "Số dư sau giao dịch",
"disputeTransaction": "Khiếu nại giao dịch",
"disputeReason": "Lý do khiếu nại",
"disputeSubmitted": "Khiếu nại đã được gửi",
"rewardCategory": "Danh mục quà tặng",
"vouchers": "Phiếu quà tặng",
"productRewards": "Quà tặng sản phẩm",
"services": "Dịch vụ",
"experiences": "Trải nghiệm",
"pointsCost": "Chi phí điểm",
"pointsRequired": "Yêu cầu {points} điểm",
"@pointsRequired": {
"description": "Points required for reward",
"placeholders": {
"points": {
"type": "int",
"example": "500"
}
}
},
"expiryDate": "Ngày hết hạn",
"expiresOn": "Hết hạn vào {date}",
"@expiresOn": {
"description": "Expiration date",
"placeholders": {
"date": {
"type": "String",
"example": "31/12/2024"
}
}
},
"redeemConfirm": "Xác nhận đổi quà",
"redeemConfirmMessage": "Bạn có chắc chắn muốn đổi {points} điểm để nhận {reward}?",
"@redeemConfirmMessage": {
"description": "Redeem confirmation message",
"placeholders": {
"points": {
"type": "int",
"example": "500"
},
"reward": {
"type": "String",
"example": "Gift Voucher"
}
}
},
"giftStatus": "Trạng thái quà",
"activeGifts": "Quà đang dùng",
"usedGifts": "Quà đã dùng",
"expiredGifts": "Quà hết hạn",
"giftDetails": "Chi tiết quà tặng",
"howToUse": "Cách sử dụng",
"referralInvite": "Mời bạn bè",
"referralReward": "Phần thưởng giới thiệu",
"referralSuccess": "Giới thiệu thành công",
"friendsReferred": "Bạn bè đã giới thiệu",
"pointsEarned": "Điểm đã kiếm",
"referralSteps": "Cách thức giới thiệu",
"step1": "Bước 1",
"step2": "Bước 2",
"step3": "Bước 3",
"shareYourCode": "Chia sẻ mã của bạn",
"friendRegisters": "Bạn bè đăng ký",
"bothGetRewards": "Cả hai nhận thưởng",
"inviteFriends": "Mời bạn bè",
"sku": "SKU",
"brand": "Thương hiệu",
"model": "Mẫu",
"specification": "Thông số kỹ thuật",
"specifications": "Chi tiết kỹ thuật",
"material": "Chất liệu",
"size": "Kích thước",
"color": "Màu sắc",
"weight": "Trọng lượng",
"dimensions": "Kích thước",
"availability": "Tình trạng",
"addedToCart": "Đã thêm vào giỏ hàng",
"productDetails": "Chi tiết sản phẩm",
"relatedProducts": "Sản phẩm liên quan",
"recommended": "Đề xuất",
"newArrival": "Hàng mới về",
"bestSeller": "Bán chạy nhất",
"onSale": "Đang giảm giá",
"limitedStock": "Số lượng có hạn",
"lowStock": "Sắp hết hàng",
"updateQuantity": "Cập nhật số lượng",
"itemRemoved": "Đã xóa sản phẩm",
"cartUpdated": "Giỏ hàng đã được cập nhật",
"proceedToCheckout": "Tiến hành thanh toán",
"continueShopping": "Tiếp tục mua sắm",
"emptyCart": "Giỏ hàng trống",
"emptyCartMessage": "Bạn chưa có sản phẩm nào trong giỏ hàng",
"selectAddress": "Chọn địa chỉ",
"selectPaymentMethod": "Chọn phương thức thanh toán",
"orderSummary": "Tóm tắt đơn hàng",
"orderConfirmation": "Xác nhận đơn hàng",
"orderSuccessMessage": "Đơn hàng của bạn đã được đặt thành công!",
"orderNumberIs": "Số đơn hàng: {orderNumber}",
"@orderNumberIs": {
"description": "Order number display",
"placeholders": {
"orderNumber": {
"type": "String",
"example": "ORD-2024-001"
}
}
},
"estimatedDeliveryDate": "Dự kiến giao hàng: {date}",
"@estimatedDeliveryDate": {
"description": "Estimated delivery date",
"placeholders": {
"date": {
"type": "String",
"example": "25/12/2024"
}
}
},
"viewOrder": "Xem đơn hàng",
"backToHome": "Về trang chủ",
"allOrders": "Tất cả đơn hàng",
"pendingOrders": "Chờ xử lý",
"processingOrders": "Đang xử lý",
"shippingOrders": "Đang giao",
"completedOrders": "Hoàn thành",
"cancelledOrders": "Đã hủy",
"cancelOrder": "Hủy đơn hàng",
"cancelOrderConfirm": "Bạn có chắc chắn muốn hủy đơn hàng này?",
"cancelReason": "Lý do hủy",
"orderCancelled": "Đơn hàng đã được hủy",
"orderTimeline": "Lịch sử đơn hàng",
"orderPlacedAt": "Đơn hàng đã đặt lúc",
"orderProcessedAt": "Đơn hàng đã xử lý lúc",
"orderShippedAt": "Đơn hàng đã giao lúc",
"orderDeliveredAt": "Đơn hàng đã nhận lúc",
"trackingNumber": "Mã vận đơn",
"shippingCarrier": "Đơn vị vận chuyển",
"allProjects": "Tất cả công trình",
"planningProjects": "Đang lập kế hoạch",
"inProgressProjects": "Đang thực hiện",
"completedProjects": "Đã hoàn thành",
"projectDetails": "Chi tiết công trình",
"projectStatus": "Trạng thái công trình",
"updateProgress": "Cập nhật tiến độ",
"progressUpdated": "Tiến độ đã được cập nhật",
"projectCompleted": "Công trình đã hoàn thành",
"completeProject": "Hoàn thành công trình",
"completeProjectConfirm": "Bạn có chắc chắn muốn đánh dấu công trình này là hoàn thành?",
"deleteProject": "Xóa công trình",
"deleteProjectConfirm": "Bạn có chắc chắn muốn xóa công trình này?",
"projectPhotos": "Hình ảnh công trình",
"addPhotos": "Thêm hình ảnh",
"projectDocuments": "Tài liệu công trình",
"uploadDocument": "Tải lên tài liệu",
"allQuotes": "Tất cả báo giá",
"draftQuotes": "Bản nháp",
"sentQuotes": "Đã gửi",
"acceptedQuotes": "Đã chấp nhận",
"rejectedQuotes": "Đã từ chối",
"expiredQuotes": "Hết hạn",
"quoteDetails": "Chi tiết báo giá",
"sendQuote": "Gửi báo giá",
"sendQuoteConfirm": "Bạn có chắc chắn muốn gửi báo giá này cho khách hàng?",
"quoteSent": "Báo giá đã được gửi",
"acceptQuote": "Chấp nhận báo giá",
"rejectQuote": "Từ chối báo giá",
"deleteQuote": "Xóa báo giá",
"deleteQuoteConfirm": "Bạn có chắc chắn muốn xóa báo giá này?",
"quoteItems": "Các hạng mục",
"addItem": "Thêm hạng mục",
"editItem": "Sửa hạng mục",
"removeItem": "Xóa hạng mục",
"recipient": "Người nhận",
"recipientName": "Tên người nhận",
"recipientPhone": "SĐT người nhận",
"addressType": "Loại địa chỉ",
"addressLabel": "Nhãn địa chỉ",
"setDefault": "Đặt làm mặc định",
"defaultLabel": "Mặc định",
"addressSaved": "Địa chỉ đã được lưu",
"currentPasswordRequired": "Vui lòng nhập mật khẩu hiện tại",
"newPasswordRequired": "Vui lòng nhập mật khẩu mới",
"confirmPasswordRequired": "Vui lòng xác nhận mật khẩu mới",
"incorrectPassword": "Mật khẩu không chính xác",
"passwordStrength": "Độ mạnh mật khẩu",
"weak": "Yếu",
"medium": "Trung bình",
"strong": "Mạnh",
"veryStrong": "Rất mạnh",
"passwordRequirement1": "Ít nhất 8 ký tự",
"passwordRequirement2": "Có chữ hoa",
"passwordRequirement3": "Có chữ thường",
"passwordRequirement4": "Có số",
"passwordRequirement5": "Có ký tự đặc biệt",
"uploadPhoto": "Tải lên ảnh",
"takePhoto": "Chụp ảnh",
"chooseFromGallery": "Chọn từ thư viện",
"removePhoto": "Xóa ảnh",
"cropPhoto": "Cắt ảnh",
"photoUploaded": "Ảnh đã được tải lên",
"enableNotifications": "Bật thông báo",
"disableNotifications": "Tắt thông báo",
"orderNotifications": "Thông báo đơn hàng",
"promotionNotifications": "Thông báo khuyến mãi",
"systemNotifications": "Thông báo hệ thống",
"chatNotifications": "Thông báo trò chuyện",
"pushNotifications": "Thông báo đẩy",
"emailNotifications": "Thông báo email",
"smsNotifications": "Thông báo SMS",
"vietnamese": "Tiếng Việt",
"english": "Tiếng Anh",
"selectLanguage": "Chọn ngôn ngữ",
"languageChanged": "Ngôn ngữ đã được thay đổi",
"selectTheme": "Chọn giao diện",
"themeChanged": "Giao diện đã được thay đổi",
"autoTheme": "Tự động",
"allNotifications": "Tất cả",
"orderNotification": "Đơn hàng",
"systemNotification": "Hệ thống",
"promotionNotification": "Khuyến mãi",
"markAsRead": "Đánh dấu đã đọc",
"markAllAsRead": "Đánh dấu tất cả đã đọc",
"deleteNotification": "Xóa thông báo",
"clearNotifications": "Xóa tất cả thông báo",
"clearNotificationsConfirm": "Bạn có chắc chắn muốn xóa tất cả thông báo?",
"notificationCleared": "Thông báo đã được xóa",
"unreadNotifications": "{count} thông báo chưa đọc",
"@unreadNotifications": {
"description": "Unread notifications count",
"placeholders": {
"count": {
"type": "int",
"example": "5"
}
}
},
"online": "Trực tuyến",
"offline": "Ngoại tuyến",
"away": "Vắng mặt",
"busy": "Bận",
"lastSeenAt": "Hoạt động lần cuối {time}",
"@lastSeenAt": {
"description": "Last seen timestamp",
"placeholders": {
"time": {
"type": "String",
"example": "10 phút trước"
}
}
},
"messageRead": "Đã đọc",
"messageDelivered": "Đã gửi",
"messageSent": "Đã gửi",
"messageFailed": "Gửi thất bại",
"retryMessage": "Gửi lại",
"deleteMessage": "Xóa tin nhắn",
"deleteMessageConfirm": "Bạn có chắc chắn muốn xóa tin nhắn này?",
"messageDeleted": "Tin nhắn đã được xóa",
"filterBy": "Lọc theo",
"sortBy": "Sắp xếp theo",
"priceAscending": "Giá tăng dần",
"priceDescending": "Giá giảm dần",
"nameAscending": "Tên A-Z",
"nameDescending": "Tên Z-A",
"dateAscending": "Cũ nhất",
"dateDescending": "Mới nhất",
"popularityDescending": "Phổ biến nhất",
"applyFilters": "Áp dụng bộ lọc",
"clearFilters": "Xóa bộ lọc",
"filterApplied": "Đã áp dụng bộ lọc",
"noFilterApplied": "Chưa có bộ lọc nào",
"connectionError": "Lỗi kết nối",
"noInternetConnection": "Không có kết nối Internet",
"checkConnection": "Kiểm tra kết nối",
"retryConnection": "Thử kết nối lại",
"offlineMode": "Chế độ ngoại tuyến",
"syncData": "Đồng bộ dữ liệu",
"syncInProgress": "Đang đồng bộ...",
"syncCompleted": "Đồng bộ hoàn tất",
"syncFailed": "Đồng bộ thất bại",
"lastSyncAt": "Đồng bộ lần cuối: {time}",
"@lastSyncAt": {
"description": "Last sync timestamp",
"placeholders": {
"time": {
"type": "String",
"example": "5 phút trước"
}
}
},
"minutesAgo": "{minutes} phút trước",
"@minutesAgo": {
"placeholders": {
"minutes": {"type": "int"}
}
},
"hoursAgo": "{hours} giờ trước",
"@hoursAgo": {
"placeholders": {
"hours": {"type": "int"}
}
},
"daysAgo": "{days} ngày trước",
"@daysAgo": {
"placeholders": {
"days": {"type": "int"}
}
},
"weeksAgo": "{weeks} tuần trước",
"@weeksAgo": {
"placeholders": {
"weeks": {"type": "int"}
}
},
"monthsAgo": "{months} tháng trước",
"@monthsAgo": {
"placeholders": {
"months": {"type": "int"}
}
},
"yearsAgo": "{years} năm trước",
"@yearsAgo": {
"placeholders": {
"years": {"type": "int"}
}
},
"justNow": "Vừa xong",
"comingSoon": "Sắp ra mắt",
"underMaintenance": "Đang bảo trì",
"featureNotAvailable": "Tính năng chưa khả dụng",
"pageNotFound": "Không tìm thấy trang",
"goToHomePage": "Về trang chủ"
}

347
lib/main.dart
View File

@@ -1,122 +1,267 @@
import 'dart:async';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
void main() {
runApp(const MyApp());
import 'package:worker/app.dart';
import 'package:worker/core/database/hive_initializer.dart';
/// Main entry point of the Worker Mobile App
///
/// Initializes core dependencies:
/// - Hive database with adapters and boxes
/// - SharedPreferences for simple key-value storage
/// - Riverpod ProviderScope for state management
/// - Error handling boundaries
/// - System UI customization
void main() async {
// Ensure Flutter is initialized before async operations
WidgetsFlutterBinding.ensureInitialized();
// Set preferred device orientations
await SystemChrome.setPreferredOrientations([
DeviceOrientation.portraitUp,
DeviceOrientation.portraitDown,
]);
// Initialize app with error handling
await _initializeApp();
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
/// Initialize all app dependencies with comprehensive error handling
Future<void> _initializeApp() async {
// Set up error handlers before anything else
_setupErrorHandlers();
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// TRY THIS: Try running your application with "flutter run". You'll see
// the application has a purple toolbar. Then, without quitting the app,
// try changing the seedColor in the colorScheme below to Colors.green
// and then invoke "hot reload" (save your changes or press the "hot
// reload" button in a Flutter-supported IDE, or press "r" if you used
// the command line to start the app).
//
// Notice that the counter didn't reset back to zero; the application
// state is not lost during the reload. To reset the state, use hot
// restart instead.
//
// This works for code too, not just values: Most code changes can be
// tested with just a hot reload.
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
try {
// Initialize core dependencies in parallel for faster startup
await Future.wait([
_initializeHive(),
_initializeSharedPreferences(),
]);
// Run the app with Riverpod ProviderScope
runApp(
const ProviderScope(
child: WorkerApp(),
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
} catch (error, stackTrace) {
// Critical initialization error - show error screen
debugPrint('Failed to initialize app: $error');
debugPrint('StackTrace: $stackTrace');
// Run minimal error app
runApp(_buildErrorApp(error, stackTrace));
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
/// Initialize Hive database
///
/// Sets up local database with:
/// - Type adapters for all models
/// - All required boxes (user, cart, products, etc.)
/// - Cache cleanup for expired data
/// - Encryption for sensitive data (in production)
Future<void> _initializeHive() async {
try {
debugPrint('Initializing Hive database...');
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
await HiveInitializer.initialize(
enableEncryption: kReleaseMode, // Enable encryption in release builds
verbose: kDebugMode, // Verbose logging in debug mode
);
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
debugPrint('Hive database initialized successfully');
} catch (error, stackTrace) {
debugPrint('Failed to initialize Hive: $error');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
/// Initialize SharedPreferences
///
/// Used for simple key-value storage like:
/// - Last sync timestamp
/// - User preferences (language, theme)
/// - App settings
/// - Feature flags
Future<void> _initializeSharedPreferences() async {
try {
debugPrint('Initializing SharedPreferences...');
void _incrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter++;
});
// Pre-initialize SharedPreferences instance
await SharedPreferences.getInstance();
debugPrint('SharedPreferences initialized successfully');
} catch (error, stackTrace) {
debugPrint('Failed to initialize SharedPreferences: $error');
debugPrint('StackTrace: $stackTrace');
rethrow;
}
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// TRY THIS: Try changing the color here to a specific color (to
// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
// change color while the other colors stay the same.
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also a layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
//
// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
// action in the IDE, or press "p" in the console), to see the
// wireframe for each widget.
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text('You have pushed the button this many times:'),
Text(
'$_counter',
style: Theme.of(context).textTheme.headlineMedium,
/// Set up global error handlers
///
/// Captures and logs all Flutter framework errors and uncaught exceptions
void _setupErrorHandlers() {
// Handle Flutter framework errors
FlutterError.onError = (FlutterErrorDetails details) {
FlutterError.presentError(details);
// Log to console in debug mode
if (kDebugMode) {
debugPrint('Flutter Error: ${details.exceptionAsString()}');
debugPrint('StackTrace: ${details.stack}');
}
// In production, you would send to crash analytics service
// Example: FirebaseCrashlytics.instance.recordFlutterError(details);
};
// Handle errors outside of Flutter framework
PlatformDispatcher.instance.onError = (error, stackTrace) {
if (kDebugMode) {
debugPrint('Platform Error: $error');
debugPrint('StackTrace: $stackTrace');
}
// In production, you would send to crash analytics service
// Example: FirebaseCrashlytics.instance.recordError(error, stackTrace);
return true; // Return true to indicate error was handled
};
// Handle zone errors (async errors not caught by Flutter)
runZonedGuarded(
() {
// App will run in this zone
},
(error, stackTrace) {
if (kDebugMode) {
debugPrint('Zone Error: $error');
debugPrint('StackTrace: $stackTrace');
}
// In production, you would send to crash analytics service
// Example: FirebaseCrashlytics.instance.recordError(error, stackTrace);
},
);
}
/// Build minimal error app when initialization fails
///
/// Shows a user-friendly error screen instead of crashing
Widget _buildErrorApp(Object error, StackTrace stackTrace) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: Scaffold(
backgroundColor: const Color(0xFFF5F5F5),
body: SafeArea(
child: Center(
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// Error icon
const Icon(
Icons.error_outline,
size: 80,
color: Color(0xFFDC3545),
),
const SizedBox(height: 24),
// Error title
const Text(
'Không thể khởi động ứng dụng',
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: Color(0xFF212529),
),
textAlign: TextAlign.center,
),
const SizedBox(height: 16),
// Error message
const Text(
'Đã xảy ra lỗi khi khởi động ứng dụng. '
'Vui lòng thử lại sau hoặc liên hệ hỗ trợ.',
style: TextStyle(
fontSize: 16,
color: Color(0xFF6C757D),
),
textAlign: TextAlign.center,
),
const SizedBox(height: 32),
// Error details (debug mode only)
if (kDebugMode) ...[
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: const Color(0xFFFFF3CD),
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: const Color(0xFFFFECB5),
width: 1,
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Debug Information:',
style: TextStyle(
fontWeight: FontWeight.bold,
color: Color(0xFF856404),
),
),
const SizedBox(height: 8),
Text(
error.toString(),
style: const TextStyle(
fontSize: 12,
color: Color(0xFF856404),
fontFamily: 'monospace',
),
),
],
),
),
const SizedBox(height: 16),
],
// Restart button
ElevatedButton.icon(
onPressed: () {
// Restart app
_initializeApp();
},
icon: const Icon(Icons.refresh),
label: const Text('Thử lại'),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF005B9A),
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 16,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
),
],
),
],
),
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
),
);
}

145
lib/shared/widgets/custom_app_bar.dart Normal file
View File

@@ -0,0 +1,145 @@
/// Custom App Bar Widget
///
/// Reusable app bar with consistent styling across the app
library;
import 'package:flutter/material.dart';
import '../../core/constants/ui_constants.dart';
/// Custom app bar with consistent styling
class CustomAppBar extends StatelessWidget implements PreferredSizeWidget {
final String title;
final List<Widget>? actions;
final Widget? leading;
final bool centerTitle;
final Color? backgroundColor;
final Color? foregroundColor;
final double elevation;
final PreferredSizeWidget? bottom;
final bool automaticallyImplyLeading;
const CustomAppBar({
super.key,
required this.title,
this.actions,
this.leading,
this.centerTitle = true,
this.backgroundColor,
this.foregroundColor,
this.elevation = AppElevation.none,
this.bottom,
this.automaticallyImplyLeading = true,
});
@override
Widget build(BuildContext context) {
return AppBar(
title: Text(title),
actions: actions,
leading: leading,
centerTitle: centerTitle,
backgroundColor: backgroundColor,
foregroundColor: foregroundColor,
elevation: elevation,
bottom: bottom,
automaticallyImplyLeading: automaticallyImplyLeading,
);
}
@override
Size get preferredSize => Size.fromHeight(
AppBarSpecs.height + (bottom?.preferredSize.height ?? 0),
);
}
/// Transparent app bar for overlay scenarios
class TransparentAppBar extends StatelessWidget implements PreferredSizeWidget {
final String? title;
final List<Widget>? actions;
final Widget? leading;
final bool centerTitle;
final Color? foregroundColor;
const TransparentAppBar({
super.key,
this.title,
this.actions,
this.leading,
this.centerTitle = true,
this.foregroundColor,
});
@override
Widget build(BuildContext context) {
return AppBar(
title: title != null ? Text(title!) : null,
actions: actions,
leading: leading,
centerTitle: centerTitle,
backgroundColor: Colors.transparent,
foregroundColor: foregroundColor ?? Colors.white,
elevation: 0,
);
}
@override
Size get preferredSize => const Size.fromHeight(AppBarSpecs.height);
}
/// Search app bar with search field
class SearchAppBar extends StatelessWidget implements PreferredSizeWidget {
final String hintText;
final ValueChanged<String>? onChanged;
final ValueChanged<String>? onSubmitted;
final VoidCallback? onClear;
final TextEditingController? controller;
final bool autofocus;
final Widget? leading;
const SearchAppBar({
super.key,
this.hintText = 'Tìm kiếm...',
this.onChanged,
this.onSubmitted,
this.onClear,
this.controller,
this.autofocus = false,
this.leading,
});
@override
Widget build(BuildContext context) {
return AppBar(
leading: leading ??
IconButton(
icon: const Icon(Icons.arrow_back),
onPressed: () => Navigator.of(context).pop(),
),
title: TextField(
controller: controller,
autofocus: autofocus,
onChanged: onChanged,
onSubmitted: onSubmitted,
style: const TextStyle(color: Colors.white),
decoration: InputDecoration(
hintText: hintText,
hintStyle: TextStyle(color: Colors.white.withOpacity(0.7)),
border: InputBorder.none,
suffixIcon: controller?.text.isNotEmpty ?? false
? IconButton(
icon: const Icon(Icons.clear, color: Colors.white),
onPressed: () {
controller?.clear();
onClear?.call();
},
)
: null,
),
),
elevation: AppElevation.none,
);
}
@override
Size get preferredSize => const Size.fromHeight(AppBarSpecs.height);
}

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/// Date Picker Input Field
///
/// Input field that opens a date picker dialog when tapped.
/// Displays dates in Vietnamese format (dd/MM/yyyy).
library;
import 'package:flutter/material.dart';
import '../../core/utils/formatters.dart';
import '../../core/utils/validators.dart';
import '../../core/constants/ui_constants.dart';
/// Date picker input field
class DatePickerField extends StatefulWidget {
final TextEditingController? controller;
final String? labelText;
final String? hintText;
final DateTime? initialDate;
final DateTime? firstDate;
final DateTime? lastDate;
final ValueChanged<DateTime>? onDateSelected;
final FormFieldValidator<String>? validator;
final bool enabled;
final bool required;
final Widget? prefixIcon;
final Widget? suffixIcon;
final InputDecoration? decoration;
const DatePickerField({
super.key,
this.controller,
this.labelText,
this.hintText,
this.initialDate,
this.firstDate,
this.lastDate,
this.onDateSelected,
this.validator,
this.enabled = true,
this.required = true,
this.prefixIcon,
this.suffixIcon,
this.decoration,
});
@override
State<DatePickerField> createState() => _DatePickerFieldState();
}
class _DatePickerFieldState extends State<DatePickerField> {
late TextEditingController _controller;
bool _isControllerInternal = false;
DateTime? _selectedDate;
@override
void initState() {
super.initState();
_selectedDate = widget.initialDate;
if (widget.controller == null) {
_controller = TextEditingController(
text: _selectedDate != null
? DateFormatter.formatDate(_selectedDate!)
: '',
);
_isControllerInternal = true;
} else {
_controller = widget.controller!;
}
}
@override
void dispose() {
if (_isControllerInternal) {
_controller.dispose();
}
super.dispose();
}
Future<void> _selectDate(BuildContext context) async {
if (!widget.enabled) return;
final DateTime? picked = await showDatePicker(
context: context,
initialDate: _selectedDate ?? DateTime.now(),
firstDate: widget.firstDate ?? DateTime(1900),
lastDate: widget.lastDate ?? DateTime(2100),
locale: const Locale('vi', 'VN'),
builder: (context, child) {
return Theme(
data: Theme.of(context).copyWith(
colorScheme: ColorScheme.light(
primary: Theme.of(context).primaryColor,
),
),
child: child!,
);
},
);
if (picked != null && picked != _selectedDate) {
setState(() {
_selectedDate = picked;
_controller.text = DateFormatter.formatDate(picked);
});
widget.onDateSelected?.call(picked);
}
}
@override
Widget build(BuildContext context) {
return TextFormField(
controller: _controller,
readOnly: true,
enabled: widget.enabled,
onTap: () => _selectDate(context),
decoration: widget.decoration ??
InputDecoration(
labelText: widget.labelText ?? 'Ngày',
hintText: widget.hintText ?? 'dd/MM/yyyy',
prefixIcon: widget.prefixIcon ?? const Icon(Icons.calendar_today),
suffixIcon: widget.suffixIcon,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(InputFieldSpecs.borderRadius),
),
contentPadding: InputFieldSpecs.contentPadding,
),
validator: widget.validator ??
(widget.required ? Validators.date : null),
);
}
}
/// Date range picker field
class DateRangePickerField extends StatefulWidget {
final String? labelText;
final String? hintText;
final DateTimeRange? initialRange;
final DateTime? firstDate;
final DateTime? lastDate;
final ValueChanged<DateTimeRange>? onRangeSelected;
final bool enabled;
final Widget? prefixIcon;
const DateRangePickerField({
super.key,
this.labelText,
this.hintText,
this.initialRange,
this.firstDate,
this.lastDate,
this.onRangeSelected,
this.enabled = true,
this.prefixIcon,
});
@override
State<DateRangePickerField> createState() => _DateRangePickerFieldState();
}
class _DateRangePickerFieldState extends State<DateRangePickerField> {
late TextEditingController _controller;
DateTimeRange? _selectedRange;
@override
void initState() {
super.initState();
_selectedRange = widget.initialRange;
_controller = TextEditingController(
text: _selectedRange != null
? '${DateFormatter.formatDate(_selectedRange!.start)} - ${DateFormatter.formatDate(_selectedRange!.end)}'
: '',
);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
Future<void> _selectDateRange(BuildContext context) async {
if (!widget.enabled) return;
final DateTimeRange? picked = await showDateRangePicker(
context: context,
initialDateRange: _selectedRange,
firstDate: widget.firstDate ?? DateTime(1900),
lastDate: widget.lastDate ?? DateTime(2100),
locale: const Locale('vi', 'VN'),
builder: (context, child) {
return Theme(
data: Theme.of(context).copyWith(
colorScheme: ColorScheme.light(
primary: Theme.of(context).primaryColor,
),
),
child: child!,
);
},
);
if (picked != null && picked != _selectedRange) {
setState(() {
_selectedRange = picked;
_controller.text =
'${DateFormatter.formatDate(picked.start)} - ${DateFormatter.formatDate(picked.end)}';
});
widget.onRangeSelected?.call(picked);
}
}
@override
Widget build(BuildContext context) {
return TextFormField(
controller: _controller,
readOnly: true,
enabled: widget.enabled,
onTap: () => _selectDateRange(context),
decoration: InputDecoration(
labelText: widget.labelText ?? 'Khoảng thời gian',
hintText: widget.hintText ?? 'Chọn khoảng thời gian',
prefixIcon: widget.prefixIcon ?? const Icon(Icons.date_range),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(InputFieldSpecs.borderRadius),
),
contentPadding: InputFieldSpecs.contentPadding,
),
);
}
}
/// Date of birth picker field
class DateOfBirthField extends StatelessWidget {
final TextEditingController? controller;
final String? labelText;
final String? hintText;
final ValueChanged<DateTime>? onDateSelected;
final FormFieldValidator<String>? validator;
final bool enabled;
final int minAge;
const DateOfBirthField({
super.key,
this.controller,
this.labelText,
this.hintText,
this.onDateSelected,
this.validator,
this.enabled = true,
this.minAge = 18,
});
@override
Widget build(BuildContext context) {
final now = DateTime.now();
final maxDate = DateTime(now.year - minAge, now.month, now.day);
final minDate = DateTime(now.year - 100, now.month, now.day);
return DatePickerField(
controller: controller,
labelText: labelText ?? 'Ngày sinh',
hintText: hintText ?? 'dd/MM/yyyy',
initialDate: maxDate,
firstDate: minDate,
lastDate: maxDate,
onDateSelected: onDateSelected,
validator: validator ?? (value) => Validators.age(value, minAge: minAge),
enabled: enabled,
prefixIcon: const Icon(Icons.cake),
);
}
}
/// Time picker field
class TimePickerField extends StatefulWidget {
final TextEditingController? controller;
final String? labelText;
final String? hintText;
final TimeOfDay? initialTime;
final ValueChanged<TimeOfDay>? onTimeSelected;
final bool enabled;
final Widget? prefixIcon;
const TimePickerField({
super.key,
this.controller,
this.labelText,
this.hintText,
this.initialTime,
this.onTimeSelected,
this.enabled = true,
this.prefixIcon,
});
@override
State<TimePickerField> createState() => _TimePickerFieldState();
}
class _TimePickerFieldState extends State<TimePickerField> {
late TextEditingController _controller;
bool _isControllerInternal = false;
TimeOfDay? _selectedTime;
@override
void initState() {
super.initState();
_selectedTime = widget.initialTime;
if (widget.controller == null) {
_controller = TextEditingController(
text: _selectedTime != null
? '${_selectedTime!.hour.toString().padLeft(2, '0')}:${_selectedTime!.minute.toString().padLeft(2, '0')}'
: '',
);
_isControllerInternal = true;
} else {
_controller = widget.controller!;
}
}
@override
void dispose() {
if (_isControllerInternal) {
_controller.dispose();
}
super.dispose();
}
Future<void> _selectTime(BuildContext context) async {
if (!widget.enabled) return;
final TimeOfDay? picked = await showTimePicker(
context: context,
initialTime: _selectedTime ?? TimeOfDay.now(),
builder: (context, child) {
return Theme(
data: Theme.of(context).copyWith(
colorScheme: ColorScheme.light(
primary: Theme.of(context).primaryColor,
),
),
child: child!,
);
},
);
if (picked != null && picked != _selectedTime) {
setState(() {
_selectedTime = picked;
_controller.text =
'${picked.hour.toString().padLeft(2, '0')}:${picked.minute.toString().padLeft(2, '0')}';
});
widget.onTimeSelected?.call(picked);
}
}
@override
Widget build(BuildContext context) {
return TextFormField(
controller: _controller,
readOnly: true,
enabled: widget.enabled,
onTap: () => _selectTime(context),
decoration: InputDecoration(
labelText: widget.labelText ?? 'Thời gian',
hintText: widget.hintText ?? 'HH:mm',
prefixIcon: widget.prefixIcon ?? const Icon(Icons.access_time),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(InputFieldSpecs.borderRadius),
),
contentPadding: InputFieldSpecs.contentPadding,
),
);
}
}

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/// Gradient Card Widget
///
/// Reusable card with gradient background used for member cards
/// and other gradient-based UI elements.
library;
import 'package:flutter/material.dart';
import '../../core/constants/ui_constants.dart';
/// Card with gradient background
class GradientCard extends StatelessWidget {
final Widget child;
final Gradient gradient;
final double borderRadius;
final double elevation;
final EdgeInsets padding;
final double? width;
final double? height;
final VoidCallback? onTap;
final List<BoxShadow>? shadows;
const GradientCard({
super.key,
required this.child,
required this.gradient,
this.borderRadius = AppRadius.card,
this.elevation = AppElevation.card,
this.padding = const EdgeInsets.all(AppSpacing.md),
this.width,
this.height,
this.onTap,
this.shadows,
});
@override
Widget build(BuildContext context) {
final cardContent = Container(
width: width,
height: height,
padding: padding,
decoration: BoxDecoration(
gradient: gradient,
borderRadius: BorderRadius.circular(borderRadius),
boxShadow: shadows ??
[
BoxShadow(
color: Colors.black.withOpacity(0.1 * (elevation / 4)),
blurRadius: elevation,
offset: Offset(0, elevation / 2),
),
],
),
child: child,
);
if (onTap != null) {
return InkWell(
onTap: onTap,
borderRadius: BorderRadius.circular(borderRadius),
child: cardContent,
);
}
return cardContent;
}
}
/// Diamond tier gradient card
class DiamondGradientCard extends StatelessWidget {
final Widget child;
final double borderRadius;
final double elevation;
final EdgeInsets padding;
final double? width;
final double? height;
final VoidCallback? onTap;
const DiamondGradientCard({
super.key,
required this.child,
this.borderRadius = MemberCardSpecs.borderRadius,
this.elevation = MemberCardSpecs.elevation,
this.padding = MemberCardSpecs.padding,
this.width = MemberCardSpecs.width,
this.height = MemberCardSpecs.height,
this.onTap,
});
@override
Widget build(BuildContext context) {
return GradientCard(
gradient: const LinearGradient(
colors: [Color(0xFF4A00E0), Color(0xFF8E2DE2)],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: borderRadius,
elevation: elevation,
padding: padding,
width: width,
height: height,
onTap: onTap,
child: child,
);
}
}
/// Platinum tier gradient card
class PlatinumGradientCard extends StatelessWidget {
final Widget child;
final double borderRadius;
final double elevation;
final EdgeInsets padding;
final double? width;
final double? height;
final VoidCallback? onTap;
const PlatinumGradientCard({
super.key,
required this.child,
this.borderRadius = MemberCardSpecs.borderRadius,
this.elevation = MemberCardSpecs.elevation,
this.padding = MemberCardSpecs.padding,
this.width = MemberCardSpecs.width,
this.height = MemberCardSpecs.height,
this.onTap,
});
@override
Widget build(BuildContext context) {
return GradientCard(
gradient: const LinearGradient(
colors: [Color(0xFF7F8C8D), Color(0xFFBDC3C7)],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: borderRadius,
elevation: elevation,
padding: padding,
width: width,
height: height,
onTap: onTap,
child: child,
);
}
}
/// Gold tier gradient card
class GoldGradientCard extends StatelessWidget {
final Widget child;
final double borderRadius;
final double elevation;
final EdgeInsets padding;
final double? width;
final double? height;
final VoidCallback? onTap;
const GoldGradientCard({
super.key,
required this.child,
this.borderRadius = MemberCardSpecs.borderRadius,
this.elevation = MemberCardSpecs.elevation,
this.padding = MemberCardSpecs.padding,
this.width = MemberCardSpecs.width,
this.height = MemberCardSpecs.height,
this.onTap,
});
@override
Widget build(BuildContext context) {
return GradientCard(
gradient: const LinearGradient(
colors: [Color(0xFFf7b733), Color(0xFFfc4a1a)],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: borderRadius,
elevation: elevation,
padding: padding,
width: width,
height: height,
onTap: onTap,
child: child,
);
}
}
/// Animated gradient card with shimmer effect
class ShimmerGradientCard extends StatefulWidget {
final Widget child;
final Gradient gradient;
final double borderRadius;
final double elevation;
final EdgeInsets padding;
final double? width;
final double? height;
final Duration shimmerDuration;
const ShimmerGradientCard({
super.key,
required this.child,
required this.gradient,
this.borderRadius = AppRadius.card,
this.elevation = AppElevation.card,
this.padding = const EdgeInsets.all(AppSpacing.md),
this.width,
this.height,
this.shimmerDuration = AppDuration.shimmer,
});
@override
State<ShimmerGradientCard> createState() => _ShimmerGradientCardState();
}
class _ShimmerGradientCardState extends State<ShimmerGradientCard>
with SingleTickerProviderStateMixin {
late AnimationController _controller;
@override
void initState() {
super.initState();
_controller = AnimationController(
vsync: this,
duration: widget.shimmerDuration,
)..repeat();
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return AnimatedBuilder(
animation: _controller,
builder: (context, child) {
return ShaderMask(
shaderCallback: (bounds) {
return LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
Colors.white.withOpacity(0.1),
Colors.white.withOpacity(0.3),
Colors.white.withOpacity(0.1),
],
stops: [
_controller.value - 0.3,
_controller.value,
_controller.value + 0.3,
],
).createShader(bounds);
},
blendMode: BlendMode.srcATop,
child: GradientCard(
gradient: widget.gradient,
borderRadius: widget.borderRadius,
elevation: widget.elevation,
padding: widget.padding,
width: widget.width,
height: widget.height,
child: widget.child,
),
);
},
);
}
}

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/// Price Display Widget
///
/// Formats and displays prices in Vietnamese currency format
library;
import 'package:flutter/material.dart';
import '../../core/utils/formatters.dart';
/// Price display with Vietnamese currency formatting
class PriceDisplay extends StatelessWidget {
final double price;
final TextStyle? style;
final bool showSymbol;
final int decimalDigits;
final Color? color;
final FontWeight? fontWeight;
final double? fontSize;
const PriceDisplay({
super.key,
required this.price,
this.style,
this.showSymbol = true,
this.decimalDigits = 0,
this.color,
this.fontWeight,
this.fontSize,
});
@override
Widget build(BuildContext context) {
final formattedPrice = CurrencyFormatter.formatWithDecimals(
price,
decimalDigits: decimalDigits,
showSymbol: showSymbol,
);
return Text(
formattedPrice,
style: style ??
TextStyle(
color: color,
fontWeight: fontWeight ?? FontWeight.w600,
fontSize: fontSize,
),
);
}
}
/// Price display with sale price comparison
class SalePriceDisplay extends StatelessWidget {
final double originalPrice;
final double salePrice;
final TextStyle? originalPriceStyle;
final TextStyle? salePriceStyle;
final bool showSymbol;
final MainAxisAlignment alignment;
const SalePriceDisplay({
super.key,
required this.originalPrice,
required this.salePrice,
this.originalPriceStyle,
this.salePriceStyle,
this.showSymbol = true,
this.alignment = MainAxisAlignment.start,
});
@override
Widget build(BuildContext context) {
return Row(
mainAxisAlignment: alignment,
crossAxisAlignment: CrossAxisAlignment.baseline,
textBaseline: TextBaseline.alphabetic,
children: [
// Sale price (larger, prominent)
Text(
CurrencyFormatter.format(salePrice, showSymbol: showSymbol),
style: salePriceStyle ??
const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
color: Colors.red,
),
),
const SizedBox(width: 8),
// Original price (smaller, strikethrough)
Text(
CurrencyFormatter.format(originalPrice, showSymbol: showSymbol),
style: originalPriceStyle ??
TextStyle(
fontSize: 14,
fontWeight: FontWeight.normal,
color: Colors.grey[600],
decoration: TextDecoration.lineThrough,
),
),
],
);
}
}
/// Price display with discount percentage badge
class PriceWithDiscount extends StatelessWidget {
final double originalPrice;
final double salePrice;
final bool showSymbol;
final TextStyle? salePriceStyle;
final TextStyle? originalPriceStyle;
const PriceWithDiscount({
super.key,
required this.originalPrice,
required this.salePrice,
this.showSymbol = true,
this.salePriceStyle,
this.originalPriceStyle,
});
double get discountPercentage {
return ((originalPrice - salePrice) / originalPrice * 100);
}
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
// Sale price
Text(
CurrencyFormatter.format(salePrice, showSymbol: showSymbol),
style: salePriceStyle ??
const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
color: Colors.red,
),
),
const SizedBox(width: 8),
// Discount badge
Container(
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
decoration: BoxDecoration(
color: Colors.red,
borderRadius: BorderRadius.circular(4),
),
child: Text(
'-${discountPercentage.toStringAsFixed(0)}%',
style: const TextStyle(
fontSize: 11,
fontWeight: FontWeight.bold,
color: Colors.white,
),
),
),
],
),
const SizedBox(height: 4),
// Original price
Text(
CurrencyFormatter.format(originalPrice, showSymbol: showSymbol),
style: originalPriceStyle ??
TextStyle(
fontSize: 14,
fontWeight: FontWeight.normal,
color: Colors.grey[600],
decoration: TextDecoration.lineThrough,
),
),
],
);
}
}
/// Compact price display for lists/grids
class CompactPriceDisplay extends StatelessWidget {
final double price;
final double? salePrice;
final bool showSymbol;
const CompactPriceDisplay({
super.key,
required this.price,
this.salePrice,
this.showSymbol = true,
});
@override
Widget build(BuildContext context) {
final bool isOnSale = salePrice != null && salePrice! < price;
if (isOnSale) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
CurrencyFormatter.format(salePrice!, showSymbol: showSymbol),
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.red,
),
),
Text(
CurrencyFormatter.format(price, showSymbol: showSymbol),
style: TextStyle(
fontSize: 12,
color: Colors.grey[600],
decoration: TextDecoration.lineThrough,
),
),
],
);
}
return Text(
CurrencyFormatter.format(price, showSymbol: showSymbol),
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
),
);
}
}
/// Large price display for checkout/order summary
class LargePriceDisplay extends StatelessWidget {
final double price;
final String? label;
final bool showSymbol;
final Color? color;
const LargePriceDisplay({
super.key,
required this.price,
this.label,
this.showSymbol = true,
this.color,
});
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (label != null) ...[
Text(
label!,
style: TextStyle(
fontSize: 14,
color: Colors.grey[600],
),
),
const SizedBox(height: 4),
],
Text(
CurrencyFormatter.format(price, showSymbol: showSymbol),
style: TextStyle(
fontSize: 28,
fontWeight: FontWeight.bold,
color: color ?? Theme.of(context).primaryColor,
),
),
],
);
}
}

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/// Status Badge Widget
///
/// Displays status indicators with color-coded badges for orders,
/// projects, payments, and other status-based entities.
library;
import 'package:flutter/material.dart';
import '../../core/constants/ui_constants.dart';
import '../../core/theme/colors.dart';
/// Status badge with color-coded indicators
class StatusBadge extends StatelessWidget {
final String label;
final Color color;
final Color? textColor;
final double borderRadius;
final EdgeInsets padding;
final double fontSize;
final FontWeight fontWeight;
const StatusBadge({
super.key,
required this.label,
required this.color,
this.textColor,
this.borderRadius = StatusBadgeSpecs.borderRadius,
this.padding = StatusBadgeSpecs.padding,
this.fontSize = StatusBadgeSpecs.fontSize,
this.fontWeight = StatusBadgeSpecs.fontWeight,
});
/// Order status badges
factory StatusBadge.orderPending() => const StatusBadge(
label: 'Chờ xử lý',
color: AppColors.info,
);
factory StatusBadge.orderProcessing() => const StatusBadge(
label: 'Đang xử lý',
color: AppColors.warning,
);
factory StatusBadge.orderShipping() => const StatusBadge(
label: 'Đang giao',
color: AppColors.lightBlue,
);
factory StatusBadge.orderCompleted() => const StatusBadge(
label: 'Hoàn thành',
color: AppColors.success,
);
factory StatusBadge.orderCancelled() => const StatusBadge(
label: 'Đã hủy',
color: AppColors.danger,
);
/// Payment status badges
factory StatusBadge.paymentPending() => const StatusBadge(
label: 'Chờ thanh toán',
color: AppColors.warning,
);
factory StatusBadge.paymentProcessing() => const StatusBadge(
label: 'Đang xử lý',
color: AppColors.info,
);
factory StatusBadge.paymentCompleted() => const StatusBadge(
label: 'Đã thanh toán',
color: AppColors.success,
);
factory StatusBadge.paymentFailed() => const StatusBadge(
label: 'Thất bại',
color: AppColors.danger,
);
/// Project status badges
factory StatusBadge.projectPlanning() => const StatusBadge(
label: 'Lập kế hoạch',
color: AppColors.info,
);
factory StatusBadge.projectInProgress() => const StatusBadge(
label: 'Đang thực hiện',
color: AppColors.warning,
);
factory StatusBadge.projectCompleted() => const StatusBadge(
label: 'Hoàn thành',
color: AppColors.success,
);
factory StatusBadge.projectOnHold() => const StatusBadge(
label: 'Tạm dừng',
color: AppColors.grey500,
);
/// Gift status badges
factory StatusBadge.giftActive() => const StatusBadge(
label: 'Còn hạn',
color: AppColors.success,
);
factory StatusBadge.giftUsed() => const StatusBadge(
label: 'Đã sử dụng',
color: AppColors.grey500,
);
factory StatusBadge.giftExpired() => const StatusBadge(
label: 'Hết hạn',
color: AppColors.danger,
);
/// Member tier badges
factory StatusBadge.tierDiamond() => const StatusBadge(
label: 'Kim Cương',
color: Color(0xFF4A00E0),
);
factory StatusBadge.tierPlatinum() => const StatusBadge(
label: 'Bạch Kim',
color: Color(0xFF7F8C8D),
);
factory StatusBadge.tierGold() => const StatusBadge(
label: 'Vàng',
color: Color(0xFFf7b733),
);
@override
Widget build(BuildContext context) {
return Container(
padding: padding,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(borderRadius),
),
child: Text(
label,
style: TextStyle(
color: textColor ?? Colors.white,
fontSize: fontSize,
fontWeight: fontWeight,
),
),
);
}
}
/// Outlined status badge
class OutlinedStatusBadge extends StatelessWidget {
final String label;
final Color color;
final double borderRadius;
final EdgeInsets padding;
final double fontSize;
final FontWeight fontWeight;
final double borderWidth;
const OutlinedStatusBadge({
super.key,
required this.label,
required this.color,
this.borderRadius = StatusBadgeSpecs.borderRadius,
this.padding = StatusBadgeSpecs.padding,
this.fontSize = StatusBadgeSpecs.fontSize,
this.fontWeight = StatusBadgeSpecs.fontWeight,
this.borderWidth = 1.5,
});
@override
Widget build(BuildContext context) {
return Container(
padding: padding,
decoration: BoxDecoration(
border: Border.all(color: color, width: borderWidth),
borderRadius: BorderRadius.circular(borderRadius),
),
child: Text(
label,
style: TextStyle(
color: color,
fontSize: fontSize,
fontWeight: fontWeight,
),
),
);
}
}
/// Status badge with icon
class IconStatusBadge extends StatelessWidget {
final String label;
final Color color;
final IconData icon;
final Color? textColor;
final double borderRadius;
final EdgeInsets padding;
final double fontSize;
final double iconSize;
const IconStatusBadge({
super.key,
required this.label,
required this.color,
required this.icon,
this.textColor,
this.borderRadius = StatusBadgeSpecs.borderRadius,
this.padding = StatusBadgeSpecs.padding,
this.fontSize = StatusBadgeSpecs.fontSize,
this.iconSize = 14.0,
});
@override
Widget build(BuildContext context) {
return Container(
padding: padding,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(borderRadius),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
icon,
size: iconSize,
color: textColor ?? Colors.white,
),
const SizedBox(width: 4),
Text(
label,
style: TextStyle(
color: textColor ?? Colors.white,
fontSize: fontSize,
fontWeight: FontWeight.w600,
),
),
],
),
);
}
}

271
lib/shared/widgets/vietnamese_phone_field.dart Normal file
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@@ -0,0 +1,271 @@
/// Vietnamese Phone Number Input Field
///
/// Specialized input field for Vietnamese phone numbers with
/// auto-formatting and validation.
library;
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import '../../core/utils/validators.dart';
import '../../core/utils/formatters.dart';
import '../../core/constants/ui_constants.dart';
/// Phone number input field with Vietnamese formatting
class VietnamesePhoneField extends StatefulWidget {
final TextEditingController? controller;
final String? labelText;
final String? hintText;
final String? initialValue;
final ValueChanged<String>? onChanged;
final ValueChanged<String>? onSubmitted;
final FormFieldValidator<String>? validator;
final bool enabled;
final bool autoFocus;
final TextInputAction? textInputAction;
final FocusNode? focusNode;
final bool required;
final Widget? prefixIcon;
final Widget? suffixIcon;
const VietnamesePhoneField({
super.key,
this.controller,
this.labelText,
this.hintText,
this.initialValue,
this.onChanged,
this.onSubmitted,
this.validator,
this.enabled = true,
this.autoFocus = false,
this.textInputAction,
this.focusNode,
this.required = true,
this.prefixIcon,
this.suffixIcon,
});
@override
State<VietnamesePhoneField> createState() => _VietnamesePhoneFieldState();
}
class _VietnamesePhoneFieldState extends State<VietnamesePhoneField> {
late TextEditingController _controller;
bool _isControllerInternal = false;
@override
void initState() {
super.initState();
if (widget.controller == null) {
_controller = TextEditingController(text: widget.initialValue);
_isControllerInternal = true;
} else {
_controller = widget.controller!;
}
}
@override
void dispose() {
if (_isControllerInternal) {
_controller.dispose();
}
super.dispose();
}
@override
Widget build(BuildContext context) {
return TextFormField(
controller: _controller,
focusNode: widget.focusNode,
enabled: widget.enabled,
autofocus: widget.autoFocus,
keyboardType: TextInputType.phone,
textInputAction: widget.textInputAction ?? TextInputAction.next,
inputFormatters: [
FilteringTextInputFormatter.digitsOnly,
LengthLimitingTextInputFormatter(11),
_PhoneNumberFormatter(),
],
decoration: InputDecoration(
labelText: widget.labelText ?? 'Số điện thoại',
hintText: widget.hintText ?? '0xxx xxx xxx',
prefixIcon: widget.prefixIcon ??
const Icon(Icons.phone),
suffixIcon: widget.suffixIcon,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(InputFieldSpecs.borderRadius),
),
contentPadding: InputFieldSpecs.contentPadding,
),
validator: widget.validator ??
(widget.required ? Validators.phone : Validators.phoneOptional),
onChanged: widget.onChanged,
onFieldSubmitted: widget.onSubmitted,
);
}
}
/// Phone number text input formatter
class _PhoneNumberFormatter extends TextInputFormatter {
@override
TextEditingValue formatEditUpdate(
TextEditingValue oldValue,
TextEditingValue newValue,
) {
final text = newValue.text;
if (text.isEmpty) {
return newValue;
}
// Format as: 0xxx xxx xxx
String formatted = text;
if (text.length > 4 && text.length <= 7) {
formatted = '${text.substring(0, 4)} ${text.substring(4)}';
} else if (text.length > 7) {
formatted =
'${text.substring(0, 4)} ${text.substring(4, 7)} ${text.substring(7)}';
}
return TextEditingValue(
text: formatted,
selection: TextSelection.collapsed(offset: formatted.length),
);
}
}
/// Read-only phone display field
class PhoneDisplayField extends StatelessWidget {
final String phoneNumber;
final String? labelText;
final Widget? prefixIcon;
final VoidCallback? onTap;
const PhoneDisplayField({
super.key,
required this.phoneNumber,
this.labelText,
this.prefixIcon,
this.onTap,
});
@override
Widget build(BuildContext context) {
return TextFormField(
initialValue: PhoneFormatter.format(phoneNumber),
readOnly: true,
enabled: onTap != null,
onTap: onTap,
decoration: InputDecoration(
labelText: labelText ?? 'Số điện thoại',
prefixIcon: prefixIcon ?? const Icon(Icons.phone),
suffixIcon: onTap != null ? const Icon(Icons.edit) : null,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(InputFieldSpecs.borderRadius),
),
contentPadding: InputFieldSpecs.contentPadding,
),
);
}
}
/// Phone field with country code selector
class InternationalPhoneField extends StatefulWidget {
final TextEditingController? controller;
final String? labelText;
final String? hintText;
final ValueChanged<String>? onChanged;
final FormFieldValidator<String>? validator;
final bool enabled;
final String defaultCountryCode;
const InternationalPhoneField({
super.key,
this.controller,
this.labelText,
this.hintText,
this.onChanged,
this.validator,
this.enabled = true,
this.defaultCountryCode = '+84',
});
@override
State<InternationalPhoneField> createState() =>
_InternationalPhoneFieldState();
}
class _InternationalPhoneFieldState extends State<InternationalPhoneField> {
late TextEditingController _controller;
late String _selectedCountryCode;
bool _isControllerInternal = false;
@override
void initState() {
super.initState();
_selectedCountryCode = widget.defaultCountryCode;
if (widget.controller == null) {
_controller = TextEditingController();
_isControllerInternal = true;
} else {
_controller = widget.controller!;
}
}
@override
void dispose() {
if (_isControllerInternal) {
_controller.dispose();
}
super.dispose();
}
@override
Widget build(BuildContext context) {
return TextFormField(
controller: _controller,
enabled: widget.enabled,
keyboardType: TextInputType.phone,
textInputAction: TextInputAction.next,
inputFormatters: [
FilteringTextInputFormatter.digitsOnly,
LengthLimitingTextInputFormatter(10),
],
decoration: InputDecoration(
labelText: widget.labelText ?? 'Số điện thoại',
hintText: widget.hintText ?? 'xxx xxx xxx',
prefixIcon: Container(
padding: const EdgeInsets.symmetric(horizontal: 12),
child: DropdownButton<String>(
value: _selectedCountryCode,
underline: const SizedBox(),
items: const [
DropdownMenuItem(value: '+84', child: Text('+84')),
DropdownMenuItem(value: '+1', child: Text('+1')),
DropdownMenuItem(value: '+86', child: Text('+86')),
],
onChanged: widget.enabled
? (value) {
if (value != null) {
setState(() {
_selectedCountryCode = value;
});
widget.onChanged?.call('$value${_controller.text}');
}
}
: null,
),
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(InputFieldSpecs.borderRadius),
),
contentPadding: InputFieldSpecs.contentPadding,
),
validator: widget.validator,
onChanged: (value) {
widget.onChanged?.call('$_selectedCountryCode$value');
},
);
}
}

1267
pubspec.lock
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83
pubspec.yaml
View File

@@ -30,37 +30,90 @@ environment:
dependencies:
flutter:
sdk: flutter
flutter_localizations:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
# State Management - Riverpod 3.0
flutter_riverpod: ^3.0.0
riverpod_annotation: ^3.0.0
# Local Database
hive_ce: ^2.6.0
hive_ce_flutter: ^2.1.0
# Code Generation
freezed_annotation: ^3.0.0
json_annotation: ^4.9.0
# Network
dio: ^5.4.3+1
connectivity_plus: ^6.0.3
pretty_dio_logger: ^1.3.1
dio_cache_interceptor: ^3.5.0
dio_cache_interceptor_hive_store: ^3.2.2
# UI & Design
cached_network_image: ^3.3.1
shimmer: ^3.0.0
lottie: ^3.1.2
qr_flutter: ^4.1.0
mobile_scanner: ^5.2.3
# Utilities
intl: ^0.20.0
share_plus: ^9.0.0
image_picker: ^1.1.2
path_provider: ^2.1.3
shared_preferences: ^2.2.3
# Icons
cupertino_icons: ^1.0.8
dev_dependencies:
flutter_test:
sdk: flutter
# The "flutter_lints" package below contains a set of recommended lints to
# encourage good coding practices. The lint set provided by the package is
# activated in the `analysis_options.yaml` file located at the root of your
# package. See that file for information about deactivating specific lint
# rules and activating additional ones.
# Code Generation
build_runner: ^2.4.11
riverpod_generator: ^3.0.0
riverpod_lint: ^3.0.0
custom_lint: ^0.8.0
freezed: ^3.0.0
json_serializable: ^6.8.0
hive_ce_generator: ^1.6.0
# Linting
flutter_lints: ^5.0.0
# Testing
mockito: ^5.4.4
integration_test:
sdk: flutter
# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec
# The following section is specific to Flutter packages.
flutter:
# The following line ensures that the Material Icons font is
# included with your application, so that you can use the icons in
# the material Icons class.
uses-material-design: true
generate: true
# To add assets to your application, add an assets section, like this:
# assets:
# - images/a_dot_burr.jpeg
# - images/a_dot_ham.jpeg
# Assets
assets:
- assets/images/
- assets/animations/
- assets/icons/
# Fonts - Using system default fonts for now
# To add custom Roboto fonts, create fonts/ directory and add font files
# fonts:
# - family: Roboto
# fonts:
# - asset: fonts/Roboto-Regular.ttf
# - asset: fonts/Roboto-Medium.ttf
# weight: 500
# - asset: fonts/Roboto-Bold.ttf
# weight: 700
# An image asset can refer to one or more resolution-specific "variants", see
# https://flutter.dev/to/resolution-aware-images

30
scripts/setup_riverpod.sh Executable file
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@@ -0,0 +1,30 @@
#!/bin/bash
# Riverpod Setup Script for Worker Flutter App
# This script sets up Riverpod 3.0 with code generation
echo "🚀 Setting up Riverpod 3.0..."
# 1. Get dependencies
echo "📦 Installing dependencies..."
flutter pub get
# 2. Clean previous builds
echo "🧹 Cleaning previous builds..."
dart run build_runner clean
# 3. Run code generation
echo "⚙️ Running code generation..."
dart run build_runner build --delete-conflicting-outputs
# 4. Run custom lint
echo "🔍 Running Riverpod linting..."
dart run custom_lint
echo "✅ Riverpod setup complete!"
echo ""
echo "To watch for changes and auto-generate code, run:"
echo " dart run build_runner watch -d"
echo ""
echo "To run linting:"
echo " dart run custom_lint"

22
test/widget_test.dart
View File

@@ -5,26 +5,18 @@
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:worker/main.dart';
import 'package:worker/app.dart';
void main() {
testWidgets('Counter increments smoke test', (WidgetTester tester) async {
testWidgets('App smoke test', (WidgetTester tester) async {
// Build our app and trigger a frame.
await tester.pumpWidget(const MyApp());
await tester.pumpWidget(const ProviderScope(child: WorkerApp()));
// Verify that our counter starts at 0.
expect(find.text('0'), findsOneWidget);
expect(find.text('1'), findsNothing);
// Tap the '+' icon and trigger a frame.
await tester.tap(find.byIcon(Icons.add));
await tester.pump();
// Verify that our counter has incremented.
expect(find.text('0'), findsNothing);
expect(find.text('1'), findsOneWidget);
// Verify that the placeholder home page is displayed
expect(find.text('Worker App'), findsOneWidget);
expect(find.text('Chào mừng đến với Worker App'), findsOneWidget);
});
}