add price policy

lib/features/price_policy/data/datasources/price_policy_local_datasource.dart

@@ -0,0 +1,185 @@
+/// Price Policy Local DataSource
+///
+/// Handles all local data operations for price policy documents.
+/// Currently provides mock data for development and testing.
+/// Will be extended to use Hive cache when backend API is available.
+library;
+
+import 'package:worker/features/price_policy/data/models/price_document_model.dart';
+
+/// Price Policy Local Data Source
+///
+/// Provides mock data for price policy documents.
+/// In production, this will cache data from the remote API.
+class PricePolicyLocalDataSource {
+  /// Get all price policy documents
+  ///
+  /// Returns a list of all documents from mock data.
+  /// In production, this will fetch from Hive cache.
+  Future<List<PriceDocumentModel>> getAllDocuments() async {
+    // Simulate network delay
+    await Future<void>.delayed(const Duration(milliseconds: 300));
+
+    return _mockDocuments;
+  }
+
+  /// Get documents by category
+  ///
+  /// Returns filtered list of documents matching the [category].
+  Future<List<PriceDocumentModel>> getDocumentsByCategory(
+    String category,
+  ) async {
+    // Simulate network delay
+    await Future<void>.delayed(const Duration(milliseconds: 200));
+
+    return _mockDocuments
+        .where((doc) => doc.category.toLowerCase() == category.toLowerCase())
+        .toList();
+  }
+
+  /// Get a specific document by ID
+  ///
+  /// Returns the document if found, null otherwise.
+  Future<PriceDocumentModel?> getDocumentById(String documentId) async {
+    // Simulate network delay
+    await Future<void>.delayed(const Duration(milliseconds: 100));
+
+    try {
+      return _mockDocuments.firstWhere((doc) => doc.id == documentId);
+    } catch (e) {
+      return null;
+    }
+  }
+
+  /// Check if cache is valid
+  ///
+  /// Returns true if cached data is still valid.
+  /// Currently always returns false since we're using mock data.
+  Future<bool> isCacheValid() async {
+    // TODO: Implement cache validation when using Hive
+    return false;
+  }
+
+  /// Cache documents locally
+  ///
+  /// Saves documents to Hive for offline access.
+  /// Currently not implemented (using mock data).
+  Future<void> cacheDocuments(List<PriceDocumentModel> documents) async {
+    // TODO: Implement Hive caching when backend API is ready
+  }
+
+  /// Clear cached documents
+  ///
+  /// Removes all cached documents from Hive.
+  /// Currently not implemented (using mock data).
+  Future<void> clearCache() async {
+    // TODO: Implement cache clearing when using Hive
+  }
+
+  /// Mock documents matching HTML design
+  ///
+  /// This data will be replaced with real API data in production.
+  static final List<PriceDocumentModel> _mockDocuments = [
+    // Policy documents (Chính sách giá)
+    const PriceDocumentModel(
+      id: 'policy-eurotile-10-2025',
+      title: 'Chính sách giá Eurotile T10/2025',
+      description:
+          'Chính sách giá mới nhất cho sản phẩm gạch Eurotile, áp dụng từ tháng 10/2025',
+      publishedDate: '2025-10-01T00:00:00.000Z',
+      documentType: 'pdf',
+      category: 'policy',
+      downloadUrl: '/documents/policy-eurotile-10-2025.pdf',
+      fileSize: '2.5 MB',
+    ),
+    const PriceDocumentModel(
+      id: 'policy-vasta-10-2025',
+      title: 'Chính sách giá Vasta Stone T10/2025',
+      description:
+          'Chính sách giá đá tự nhiên Vasta Stone, hiệu lực từ tháng 10/2025',
+      publishedDate: '2025-10-01T00:00:00.000Z',
+      documentType: 'pdf',
+      category: 'policy',
+      downloadUrl: '/documents/policy-vasta-10-2025.pdf',
+      fileSize: '1.8 MB',
+    ),
+    const PriceDocumentModel(
+      id: 'policy-dealer-2025',
+      title: 'Chính sách chiết khấu đại lý 2025',
+      description:
+          'Chương trình chiết khấu và ưu đãi dành cho đại lý, thầu thợ',
+      publishedDate: '2025-09-15T00:00:00.000Z',
+      documentType: 'pdf',
+      category: 'policy',
+      downloadUrl: '/documents/policy-dealer-2025.pdf',
+      fileSize: '3.2 MB',
+    ),
+    const PriceDocumentModel(
+      id: 'policy-payment-2025',
+      title: 'Điều kiện thanh toán & giao hàng',
+      description:
+          'Điều khoản thanh toán, chính sách giao hàng và bảo hành sản phẩm',
+      publishedDate: '2025-08-01T00:00:00.000Z',
+      documentType: 'pdf',
+      category: 'policy',
+      downloadUrl: '/documents/policy-payment-2025.pdf',
+      fileSize: '1.5 MB',
+    ),
+
+    // Price list documents (Bảng giá)
+    const PriceDocumentModel(
+      id: 'pricelist-granite-2025',
+      title: 'Bảng giá Gạch Granite Eurotile 2025',
+      description:
+          'Bảng giá chi tiết toàn bộ sản phẩm gạch granite, kích thước 60x60, 80x80, 120x120',
+      publishedDate: '2025-10-01T00:00:00.000Z',
+      documentType: 'excel',
+      category: 'priceList',
+      downloadUrl: '/documents/pricelist-granite-2025.xlsx',
+      fileSize: '850 KB',
+    ),
+    const PriceDocumentModel(
+      id: 'pricelist-ceramic-2025',
+      title: 'Bảng giá Gạch Ceramic Eurotile 2025',
+      description: 'Bảng giá gạch ceramic vân gỗ, vân đá, vân xi măng các loại',
+      publishedDate: '2025-10-01T00:00:00.000Z',
+      documentType: 'excel',
+      category: 'priceList',
+      downloadUrl: '/documents/pricelist-ceramic-2025.xlsx',
+      fileSize: '720 KB',
+    ),
+    const PriceDocumentModel(
+      id: 'pricelist-stone-2025',
+      title: 'Bảng giá Đá tự nhiên Vasta Stone 2025',
+      description:
+          'Bảng giá đá marble, granite tự nhiên nhập khẩu, kích thước tấm lớn',
+      publishedDate: '2025-10-01T00:00:00.000Z',
+      documentType: 'excel',
+      category: 'priceList',
+      downloadUrl: '/documents/pricelist-stone-2025.xlsx',
+      fileSize: '950 KB',
+    ),
+    const PriceDocumentModel(
+      id: 'pricelist-accessories-2025',
+      title: 'Bảng giá Phụ kiện & Vật liệu 2025',
+      description:
+          'Giá keo dán, chà ron, nẹp nhựa, nẹp inox và các phụ kiện thi công',
+      publishedDate: '2025-09-15T00:00:00.000Z',
+      documentType: 'excel',
+      category: 'priceList',
+      downloadUrl: '/documents/pricelist-accessories-2025.xlsx',
+      fileSize: '640 KB',
+    ),
+    const PriceDocumentModel(
+      id: 'pricelist-outdoor-2025',
+      title: 'Bảng giá Gạch Outdoor & Chống trơn 2025',
+      description:
+          'Bảng giá sản phẩm outdoor, gạch chống trơn dành cho ngoại thất',
+      publishedDate: '2025-09-01T00:00:00.000Z',
+      documentType: 'excel',
+      category: 'priceList',
+      downloadUrl: '/documents/pricelist-outdoor-2025.xlsx',
+      fileSize: '780 KB',
+    ),
+  ];
+}

lib/features/price_policy/data/models/price_document_model.dart

@@ -0,0 +1,158 @@
+/// Data Model: Price Document Model
+///
+/// Data layer model for price policy documents.
+/// Handles JSON serialization and conversion to/from domain entity.
+library;
+
+import 'package:worker/features/price_policy/domain/entities/price_document.dart';
+
+/// Price Document Model
+///
+/// Used in the data layer for:
+/// - JSON serialization/deserialization from API
+/// - Conversion to domain entity
+/// - Local storage (if needed)
+class PriceDocumentModel {
+  /// Unique document ID
+  final String id;
+
+  /// Document title
+  final String title;
+
+  /// Document description
+  final String description;
+
+  /// Date the document was published (ISO 8601 string)
+  final String publishedDate;
+
+  /// Type of document (pdf or excel)
+  final String documentType;
+
+  /// Category (policy or priceList)
+  final String category;
+
+  /// URL to download the document
+  final String downloadUrl;
+
+  /// Optional file size display string
+  final String? fileSize;
+
+  /// Constructor
+  const PriceDocumentModel({
+    required this.id,
+    required this.title,
+    required this.description,
+    required this.publishedDate,
+    required this.documentType,
+    required this.category,
+    required this.downloadUrl,
+    this.fileSize,
+  });
+
+  /// Create model from JSON
+  factory PriceDocumentModel.fromJson(Map<String, dynamic> json) {
+    return PriceDocumentModel(
+      id: json['id'] as String,
+      title: json['title'] as String,
+      description: json['description'] as String,
+      publishedDate: json['published_date'] as String,
+      documentType: json['document_type'] as String,
+      category: json['category'] as String,
+      downloadUrl: json['download_url'] as String,
+      fileSize: json['file_size'] as String?,
+    );
+  }
+
+  /// Convert model to JSON
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'title': title,
+      'description': description,
+      'published_date': publishedDate,
+      'document_type': documentType,
+      'category': category,
+      'download_url': downloadUrl,
+      'file_size': fileSize,
+    };
+  }
+
+  /// Convert model to domain entity
+  PriceDocument toEntity() {
+    return PriceDocument(
+      id: id,
+      title: title,
+      description: description,
+      publishedDate: DateTime.parse(publishedDate),
+      documentType: _parseDocumentType(documentType),
+      category: _parseCategory(category),
+      downloadUrl: downloadUrl,
+      fileSize: fileSize,
+    );
+  }
+
+  /// Create model from domain entity
+  factory PriceDocumentModel.fromEntity(PriceDocument entity) {
+    return PriceDocumentModel(
+      id: entity.id,
+      title: entity.title,
+      description: entity.description,
+      publishedDate: entity.publishedDate.toIso8601String(),
+      documentType: _documentTypeToString(entity.documentType),
+      category: _categoryToString(entity.category),
+      downloadUrl: entity.downloadUrl,
+      fileSize: entity.fileSize,
+    );
+  }
+
+  /// Parse document type from string
+  static DocumentType _parseDocumentType(String type) {
+    switch (type.toLowerCase()) {
+      case 'pdf':
+        return DocumentType.pdf;
+      case 'excel':
+        return DocumentType.excel;
+      default:
+        return DocumentType.pdf;
+    }
+  }
+
+  /// Parse category from string
+  static DocumentCategory _parseCategory(String category) {
+    switch (category.toLowerCase()) {
+      case 'policy':
+        return DocumentCategory.policy;
+      case 'pricelist':
+      case 'price_list':
+        return DocumentCategory.priceList;
+      default:
+        return DocumentCategory.policy;
+    }
+  }
+
+  /// Convert document type to string
+  static String _documentTypeToString(DocumentType type) {
+    switch (type) {
+      case DocumentType.pdf:
+        return 'pdf';
+      case DocumentType.excel:
+        return 'excel';
+    }
+  }
+
+  /// Convert category to string
+  static String _categoryToString(DocumentCategory category) {
+    switch (category) {
+      case DocumentCategory.policy:
+        return 'policy';
+      case DocumentCategory.priceList:
+        return 'priceList';
+    }
+  }
+
+  @override
+  String toString() {
+    return 'PriceDocumentModel(id: $id, title: $title, category: $category, '
+        'documentType: $documentType, publishedDate: $publishedDate)';
+  }
+}

lib/features/price_policy/data/repositories/price_policy_repository_impl.dart

@@ -0,0 +1,134 @@
+/// Repository Implementation: Price Policy Repository
+///
+/// Concrete implementation of the PricePolicyRepository interface.
+/// Coordinates between local and remote data sources to provide price policy data.
+///
+/// Currently uses mock data from local datasource.
+/// Will implement offline-first strategy when backend API is available.
+library;
+
+import 'package:worker/features/price_policy/data/datasources/price_policy_local_datasource.dart';
+import 'package:worker/features/price_policy/domain/entities/price_document.dart';
+import 'package:worker/features/price_policy/domain/repositories/price_policy_repository.dart';
+
+/// Price Policy Repository Implementation
+///
+/// Responsibilities:
+/// - Coordinate between local cache and remote API (when available)
+/// - Convert data models to domain entities
+/// - Handle errors gracefully
+/// - Manage cache invalidation
+class PricePolicyRepositoryImpl implements PricePolicyRepository {
+  /// Local data source
+  final PricePolicyLocalDataSource localDataSource;
+
+  /// Remote data source (API) - TODO: Add when API is ready
+  // final PricePolicyRemoteDataSource remoteDataSource;
+
+  /// Constructor
+  PricePolicyRepositoryImpl({
+    required this.localDataSource,
+    // required this.remoteDataSource, // TODO: Add when API ready
+  });
+
+  @override
+  Future<List<PriceDocument>> getAllDocuments() async {
+    try {
+      // TODO: Implement offline-first strategy
+      // 1. Check if cache is valid
+      // 2. Return cached data if valid
+      // 3. If cache invalid, fetch from remote
+
+      // For now, get from local datasource (mock data)
+      final models = await localDataSource.getAllDocuments();
+
+      // Convert models to entities
+      final entities = models.map((model) => model.toEntity()).toList();
+
+      // Sort by published date (newest first)
+      entities.sort((a, b) => b.publishedDate.compareTo(a.publishedDate));
+
+      return entities;
+    } catch (e) {
+      // Log error and return empty list
+      // In production, this should throw proper domain failures
+      print('[PricePolicyRepository] Error getting documents: $e');
+      return [];
+    }
+  }
+
+  @override
+  Future<List<PriceDocument>> getDocumentsByCategory(
+    DocumentCategory category,
+  ) async {
+    try {
+      // Convert category to string for datasource
+      final categoryString = _categoryToString(category);
+
+      // Get documents from local datasource
+      final models = await localDataSource.getDocumentsByCategory(
+        categoryString,
+      );
+
+      // Convert models to entities
+      final entities = models.map((model) => model.toEntity()).toList();
+
+      // Sort by published date (newest first)
+      entities.sort((a, b) => b.publishedDate.compareTo(a.publishedDate));
+
+      return entities;
+    } catch (e) {
+      print('[PricePolicyRepository] Error getting documents by category: $e');
+      return [];
+    }
+  }
+
+  @override
+  Future<PriceDocument?> getDocumentById(String documentId) async {
+    try {
+      // Get document from local datasource
+      final model = await localDataSource.getDocumentById(documentId);
+
+      // Convert model to entity
+      return model?.toEntity();
+    } catch (e) {
+      print('[PricePolicyRepository] Error getting document by id: $e');
+      return null;
+    }
+  }
+
+  @override
+  Future<List<PriceDocument>> refreshDocuments() async {
+    try {
+      // TODO: Implement remote fetch when API is available
+      // 1. Fetch from remote API
+      // 2. Cache the results locally
+      // 3. Return fresh data
+
+      // For now, just clear and refetch from local
+      await localDataSource.clearCache();
+      final models = await localDataSource.getAllDocuments();
+
+      // Convert models to entities
+      final entities = models.map((model) => model.toEntity()).toList();
+
+      // Sort by published date (newest first)
+      entities.sort((a, b) => b.publishedDate.compareTo(a.publishedDate));
+
+      return entities;
+    } catch (e) {
+      print('[PricePolicyRepository] Error refreshing documents: $e');
+      return [];
+    }
+  }
+
+  /// Helper method to convert category enum to string
+  String _categoryToString(DocumentCategory category) {
+    switch (category) {
+      case DocumentCategory.policy:
+        return 'policy';
+      case DocumentCategory.priceList:
+        return 'priceList';
+    }
+  }
+}

lib/features/price_policy/domain/entities/price_document.dart

@@ -0,0 +1,166 @@
+/// Domain Entity: Price Document
+///
+/// Pure business entity representing a price policy or price list document.
+/// This entity is framework-independent and contains only business logic.
+library;
+
+/// Price policy document entity
+class PriceDocument {
+  /// Unique document ID
+  final String id;
+
+  /// Document title
+  final String title;
+
+  /// Document description
+  final String description;
+
+  /// Date the document was published
+  final DateTime publishedDate;
+
+  /// Type of document (PDF or Excel)
+  final DocumentType documentType;
+
+  /// Category (policy or price list)
+  final DocumentCategory category;
+
+  /// URL to download the document
+  final String downloadUrl;
+
+  /// Optional file size display string
+  final String? fileSize;
+
+  /// Constructor
+  const PriceDocument({
+    required this.id,
+    required this.title,
+    required this.description,
+    required this.publishedDate,
+    required this.documentType,
+    required this.category,
+    required this.downloadUrl,
+    this.fileSize,
+  });
+
+  /// Check if document is a PDF
+  bool get isPdf => documentType == DocumentType.pdf;
+
+  /// Check if document is an Excel file
+  bool get isExcel => documentType == DocumentType.excel;
+
+  /// Check if document is a policy document
+  bool get isPolicy => category == DocumentCategory.policy;
+
+  /// Check if document is a price list
+  bool get isPriceList => category == DocumentCategory.priceList;
+
+  /// Get formatted published date (dd/MM/yyyy)
+  String get formattedDate {
+    return '${publishedDate.day.toString().padLeft(2, '0')}/'
+        '${publishedDate.month.toString().padLeft(2, '0')}/'
+        '${publishedDate.year}';
+  }
+
+  /// Get formatted date with prefix based on category
+  String get formattedDateWithPrefix {
+    final prefix = isPolicy ? 'Công bố' : 'Cập nhật';
+    return '$prefix: $formattedDate';
+  }
+
+  /// Get icon name based on document type
+  String get iconName => documentType == DocumentType.pdf ? 'PDF' : 'Excel';
+
+  /// Copy with method for immutability
+  PriceDocument copyWith({
+    String? id,
+    String? title,
+    String? description,
+    DateTime? publishedDate,
+    DocumentType? documentType,
+    DocumentCategory? category,
+    String? downloadUrl,
+    String? fileSize,
+  }) {
+    return PriceDocument(
+      id: id ?? this.id,
+      title: title ?? this.title,
+      description: description ?? this.description,
+      publishedDate: publishedDate ?? this.publishedDate,
+      documentType: documentType ?? this.documentType,
+      category: category ?? this.category,
+      downloadUrl: downloadUrl ?? this.downloadUrl,
+      fileSize: fileSize ?? this.fileSize,
+    );
+  }
+
+  /// Equality operator
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is PriceDocument &&
+        other.id == id &&
+        other.title == title &&
+        other.description == description &&
+        other.publishedDate == publishedDate &&
+        other.documentType == documentType &&
+        other.category == category &&
+        other.downloadUrl == downloadUrl &&
+        other.fileSize == fileSize;
+  }
+
+  /// Hash code
+  @override
+  int get hashCode {
+    return Object.hash(
+      id,
+      title,
+      description,
+      publishedDate,
+      documentType,
+      category,
+      downloadUrl,
+      fileSize,
+    );
+  }
+
+  /// String representation
+  @override
+  String toString() {
+    return 'PriceDocument(id: $id, title: $title, description: $description, '
+        'publishedDate: $publishedDate, documentType: $documentType, '
+        'category: $category, downloadUrl: $downloadUrl, fileSize: $fileSize)';
+  }
+}
+
+/// Document type enum
+enum DocumentType { pdf, excel }
+
+/// Document category enum
+enum DocumentCategory {
+  policy, // Chính sách giá
+  priceList, // Bảng giá
+}
+
+// Extension for display
+extension DocumentTypeX on DocumentType {
+  String get displayName {
+    switch (this) {
+      case DocumentType.pdf:
+        return 'PDF';
+      case DocumentType.excel:
+        return 'Excel';
+    }
+  }
+}
+
+extension DocumentCategoryX on DocumentCategory {
+  String get displayName {
+    switch (this) {
+      case DocumentCategory.policy:
+        return 'Chính sách giá';
+      case DocumentCategory.priceList:
+        return 'Bảng giá';
+    }
+  }
+}

lib/features/price_policy/domain/repositories/price_policy_repository.dart

@@ -0,0 +1,50 @@
+/// Domain Repository Interface: Price Policy Repository
+///
+/// Defines the contract for price policy document data operations.
+/// This is an abstract interface following the Repository Pattern.
+///
+/// The actual implementation will be in the data layer.
+/// This allows for dependency inversion and easier testing.
+library;
+
+import 'package:worker/features/price_policy/domain/entities/price_document.dart';
+
+/// Price Policy Repository Interface
+///
+/// Provides methods to:
+/// - Get all price policy documents
+/// - Filter documents by category
+/// - Fetch individual document details
+///
+/// Implementation will be in data/repositories/price_policy_repository_impl.dart
+abstract class PricePolicyRepository {
+  /// Get all price policy documents
+  ///
+  /// Returns list of [PriceDocument] objects.
+  /// Returns empty list if no documents available.
+  ///
+  /// This should fetch from local cache first, then sync with server.
+  /// Documents should be ordered by published date (newest first).
+  Future<List<PriceDocument>> getAllDocuments();
+
+  /// Get documents filtered by category
+  ///
+  /// Returns list of [PriceDocument] objects matching the [category].
+  /// Returns empty list if no matching documents.
+  ///
+  /// [category] - The category to filter by (policy or priceList)
+  Future<List<PriceDocument>> getDocumentsByCategory(DocumentCategory category);
+
+  /// Get a specific document by ID
+  ///
+  /// Returns [PriceDocument] if found, null otherwise.
+  ///
+  /// [documentId] - The unique identifier of the document
+  Future<PriceDocument?> getDocumentById(String documentId);
+
+  /// Refresh documents from server
+  ///
+  /// Force refresh documents from remote source.
+  /// Updates local cache after successful fetch.
+  Future<List<PriceDocument>> refreshDocuments();
+}

lib/features/price_policy/presentation/pages/price_policy_page.dart

@@ -0,0 +1,231 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../../../core/constants/ui_constants.dart';
+import '../../../../core/theme/colors.dart';
+import '../../domain/entities/price_document.dart';
+import '../providers/price_documents_provider.dart';
+import '../widgets/document_card.dart';
+
+/// Price policy page with tabs for policies and price lists
+class PricePolicyPage extends ConsumerStatefulWidget {
+  const PricePolicyPage({super.key});
+
+  @override
+  ConsumerState<PricePolicyPage> createState() => _PricePolicyPageState();
+}
+
+class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
+    with SingleTickerProviderStateMixin {
+  late TabController _tabController;
+
+  @override
+  void initState() {
+    super.initState();
+    _tabController = TabController(length: 2, vsync: this);
+  }
+
+  @override
+  void dispose() {
+    _tabController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: AppColors.grey50,
+      appBar: AppBar(
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back, color: Colors.black),
+          onPressed: () => context.pop(),
+        ),
+        title: const Text(
+          'Chính sách giá',
+          style: TextStyle(color: Colors.black),
+        ),
+        elevation: AppBarSpecs.elevation,
+        backgroundColor: AppColors.white,
+        foregroundColor: AppColors.grey900,
+        centerTitle: false,
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.info_outline, color: Colors.black),
+            onPressed: _showInfoDialog,
+          ),
+          const SizedBox(width: AppSpacing.sm),
+        ],
+        bottom: TabBar(
+          controller: _tabController,
+          labelColor: AppColors.white,
+          unselectedLabelColor: AppColors.grey900,
+          indicatorSize: TabBarIndicatorSize.tab,
+          indicator: BoxDecoration(
+            color: AppColors.primaryBlue,
+            borderRadius: BorderRadius.circular(8),
+          ),
+          labelStyle: const TextStyle(
+            fontSize: 14,
+            fontWeight: FontWeight.w600,
+          ),
+          unselectedLabelStyle: const TextStyle(
+            fontSize: 14,
+            fontWeight: FontWeight.normal,
+          ),
+          tabs: const [
+            Tab(text: 'Chính sách giá'),
+            Tab(text: 'Bảng giá'),
+          ],
+        ),
+      ),
+      body: TabBarView(
+        controller: _tabController,
+        children: [
+          // Policy tab
+          _buildDocumentList(DocumentCategory.policy),
+          // Price list tab
+          _buildDocumentList(DocumentCategory.priceList),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildDocumentList(DocumentCategory category) {
+    final documentsAsync = ref.watch(filteredPriceDocumentsProvider(category));
+
+    return documentsAsync.when(
+      data: (documents) {
+        if (documents.isEmpty) {
+          return Center(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                Icon(
+                  Icons.description_outlined,
+                  size: 64,
+                  color: AppColors.grey500,
+                ),
+                const SizedBox(height: AppSpacing.md),
+                Text(
+                  'Chưa có tài liệu',
+                  style: TextStyle(fontSize: 16, color: AppColors.grey500),
+                ),
+              ],
+            ),
+          );
+        }
+
+        return RefreshIndicator(
+          onRefresh: () async {
+            // Refresh documents from repository
+            ref.invalidate(filteredPriceDocumentsProvider(category));
+            await Future<void>.delayed(const Duration(milliseconds: 500));
+          },
+          child: ListView.separated(
+            padding: const EdgeInsets.all(AppSpacing.md),
+            itemCount: documents.length,
+            separatorBuilder: (context, index) =>
+                const SizedBox(height: AppSpacing.md),
+            itemBuilder: (context, index) {
+              final document = documents[index];
+              return DocumentCard(
+                document: document,
+                onDownload: () => _handleDownload(document),
+              );
+            },
+          ),
+        );
+      },
+      loading: () => const Center(child: CircularProgressIndicator()),
+      error: (error, stack) => Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Icon(Icons.error_outline, size: 64, color: AppColors.danger),
+            const SizedBox(height: AppSpacing.md),
+            Text(
+              'Không thể tải tài liệu',
+              style: TextStyle(fontSize: 16, color: AppColors.grey500),
+            ),
+            const SizedBox(height: AppSpacing.sm),
+            ElevatedButton(
+              onPressed: () {
+                ref.invalidate(filteredPriceDocumentsProvider(category));
+              },
+              child: const Text('Thử lại'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  void _handleDownload(PriceDocument document) {
+    // In real app, this would trigger actual download
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text('Đang tải: ${document.title}'),
+        duration: const Duration(seconds: 2),
+        backgroundColor: AppColors.primaryBlue,
+        behavior: SnackBarBehavior.floating,
+      ),
+    );
+
+    // Simulate download
+    // TODO: Implement actual file download functionality
+    // - Use url_launcher or dio to download file
+    // - Show progress indicator
+    // - Save to device storage
+  }
+
+  void _showInfoDialog() {
+    showDialog<void>(
+      context: context,
+      builder: (context) => AlertDialog(
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+        title: const Text(
+          'Hướng dẫn sử dụng',
+          style: TextStyle(fontWeight: FontWeight.bold),
+        ),
+        content: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            const Text(
+              'Đây là nội dung hướng dẫn sử dụng cho tính năng Chính sách giá:',
+            ),
+            const SizedBox(height: AppSpacing.md),
+            _buildInfoItem(
+              'Chọn tab "Chính sách giá" để xem các chính sách giá hiện hành',
+            ),
+            _buildInfoItem(
+              'Chọn tab "Bảng giá" để tải về bảng giá chi tiết sản phẩm',
+            ),
+            _buildInfoItem('Nhấn nút "Tải về" để download file PDF/Excel'),
+            _buildInfoItem('Các bảng giá được cập nhật định kỳ hàng tháng'),
+            _buildInfoItem('Liên hệ sales để được tư vấn giá tốt nhất'),
+          ],
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(context).pop(),
+            child: const Text('Đóng'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildInfoItem(String text) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: AppSpacing.xs),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          const Text('• ', style: TextStyle(fontSize: 16)),
+          Expanded(child: Text(text)),
+        ],
+      ),
+    );
+  }
+}

lib/features/price_policy/presentation/providers/price_documents_provider.dart

@@ -0,0 +1,38 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:worker/features/price_policy/data/datasources/price_policy_local_datasource.dart';
+import 'package:worker/features/price_policy/data/repositories/price_policy_repository_impl.dart';
+import 'package:worker/features/price_policy/domain/entities/price_document.dart';
+import 'package:worker/features/price_policy/domain/repositories/price_policy_repository.dart';
+
+part 'price_documents_provider.g.dart';
+
+/// Provider for local data source
+@riverpod
+PricePolicyLocalDataSource pricePolicyLocalDataSource(Ref ref) {
+  return PricePolicyLocalDataSource();
+}
+
+/// Provider for price policy repository
+@riverpod
+PricePolicyRepository pricePolicyRepository(Ref ref) {
+  final localDataSource = ref.watch(pricePolicyLocalDataSourceProvider);
+
+  return PricePolicyRepositoryImpl(localDataSource: localDataSource);
+}
+
+/// Provider for all price policy documents
+@riverpod
+Future<List<PriceDocument>> priceDocuments(Ref ref) async {
+  final repository = ref.watch(pricePolicyRepositoryProvider);
+  return repository.getAllDocuments();
+}
+
+/// Provider for filtered documents by category
+@riverpod
+Future<List<PriceDocument>> filteredPriceDocuments(
+  Ref ref,
+  DocumentCategory category,
+) async {
+  final repository = ref.watch(pricePolicyRepositoryProvider);
+  return repository.getDocumentsByCategory(category);
+}

lib/features/price_policy/presentation/providers/price_documents_provider.g.dart

@@ -0,0 +1,254 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'price_documents_provider.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+/// Provider for local data source
+
+@ProviderFor(pricePolicyLocalDataSource)
+const pricePolicyLocalDataSourceProvider =
+    PricePolicyLocalDataSourceProvider._();
+
+/// Provider for local data source
+
+final class PricePolicyLocalDataSourceProvider
+    extends
+        $FunctionalProvider<
+          PricePolicyLocalDataSource,
+          PricePolicyLocalDataSource,
+          PricePolicyLocalDataSource
+        >
+    with $Provider<PricePolicyLocalDataSource> {
+  /// Provider for local data source
+  const PricePolicyLocalDataSourceProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'pricePolicyLocalDataSourceProvider',
+        isAutoDispose: true,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$pricePolicyLocalDataSourceHash();
+
+  @$internal
+  @override
+  $ProviderElement<PricePolicyLocalDataSource> $createElement(
+    $ProviderPointer pointer,
+  ) => $ProviderElement(pointer);
+
+  @override
+  PricePolicyLocalDataSource create(Ref ref) {
+    return pricePolicyLocalDataSource(ref);
+  }
+
+  /// {@macro riverpod.override_with_value}
+  Override overrideWithValue(PricePolicyLocalDataSource value) {
+    return $ProviderOverride(
+      origin: this,
+      providerOverride: $SyncValueProvider<PricePolicyLocalDataSource>(value),
+    );
+  }
+}
+
+String _$pricePolicyLocalDataSourceHash() =>
+    r'dd1bee761fa7f050835508cf33bf34a788829483';
+
+/// Provider for price policy repository
+
+@ProviderFor(pricePolicyRepository)
+const pricePolicyRepositoryProvider = PricePolicyRepositoryProvider._();
+
+/// Provider for price policy repository
+
+final class PricePolicyRepositoryProvider
+    extends
+        $FunctionalProvider<
+          PricePolicyRepository,
+          PricePolicyRepository,
+          PricePolicyRepository
+        >
+    with $Provider<PricePolicyRepository> {
+  /// Provider for price policy repository
+  const PricePolicyRepositoryProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'pricePolicyRepositoryProvider',
+        isAutoDispose: true,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$pricePolicyRepositoryHash();
+
+  @$internal
+  @override
+  $ProviderElement<PricePolicyRepository> $createElement(
+    $ProviderPointer pointer,
+  ) => $ProviderElement(pointer);
+
+  @override
+  PricePolicyRepository create(Ref ref) {
+    return pricePolicyRepository(ref);
+  }
+
+  /// {@macro riverpod.override_with_value}
+  Override overrideWithValue(PricePolicyRepository value) {
+    return $ProviderOverride(
+      origin: this,
+      providerOverride: $SyncValueProvider<PricePolicyRepository>(value),
+    );
+  }
+}
+
+String _$pricePolicyRepositoryHash() =>
+    r'296555a45936d8e43a28bf5add5e7db40495009c';
+
+/// Provider for all price policy documents
+
+@ProviderFor(priceDocuments)
+const priceDocumentsProvider = PriceDocumentsProvider._();
+
+/// Provider for all price policy documents
+
+final class PriceDocumentsProvider
+    extends
+        $FunctionalProvider<
+          AsyncValue<List<PriceDocument>>,
+          List<PriceDocument>,
+          FutureOr<List<PriceDocument>>
+        >
+    with
+        $FutureModifier<List<PriceDocument>>,
+        $FutureProvider<List<PriceDocument>> {
+  /// Provider for all price policy documents
+  const PriceDocumentsProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'priceDocumentsProvider',
+        isAutoDispose: true,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$priceDocumentsHash();
+
+  @$internal
+  @override
+  $FutureProviderElement<List<PriceDocument>> $createElement(
+    $ProviderPointer pointer,
+  ) => $FutureProviderElement(pointer);
+
+  @override
+  FutureOr<List<PriceDocument>> create(Ref ref) {
+    return priceDocuments(ref);
+  }
+}
+
+String _$priceDocumentsHash() => r'cf2ccf6bd9aaae0c56ab01529fd034a090d99263';
+
+/// Provider for filtered documents by category
+
+@ProviderFor(filteredPriceDocuments)
+const filteredPriceDocumentsProvider = FilteredPriceDocumentsFamily._();
+
+/// Provider for filtered documents by category
+
+final class FilteredPriceDocumentsProvider
+    extends
+        $FunctionalProvider<
+          AsyncValue<List<PriceDocument>>,
+          List<PriceDocument>,
+          FutureOr<List<PriceDocument>>
+        >
+    with
+        $FutureModifier<List<PriceDocument>>,
+        $FutureProvider<List<PriceDocument>> {
+  /// Provider for filtered documents by category
+  const FilteredPriceDocumentsProvider._({
+    required FilteredPriceDocumentsFamily super.from,
+    required DocumentCategory super.argument,
+  }) : super(
+         retry: null,
+         name: r'filteredPriceDocumentsProvider',
+         isAutoDispose: true,
+         dependencies: null,
+         $allTransitiveDependencies: null,
+       );
+
+  @override
+  String debugGetCreateSourceHash() => _$filteredPriceDocumentsHash();
+
+  @override
+  String toString() {
+    return r'filteredPriceDocumentsProvider'
+        ''
+        '($argument)';
+  }
+
+  @$internal
+  @override
+  $FutureProviderElement<List<PriceDocument>> $createElement(
+    $ProviderPointer pointer,
+  ) => $FutureProviderElement(pointer);
+
+  @override
+  FutureOr<List<PriceDocument>> create(Ref ref) {
+    final argument = this.argument as DocumentCategory;
+    return filteredPriceDocuments(ref, argument);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is FilteredPriceDocumentsProvider &&
+        other.argument == argument;
+  }
+
+  @override
+  int get hashCode {
+    return argument.hashCode;
+  }
+}
+
+String _$filteredPriceDocumentsHash() =>
+    r'8f5b2ed822694b4dd9523e1a61e202a7ba0c1fbc';
+
+/// Provider for filtered documents by category
+
+final class FilteredPriceDocumentsFamily extends $Family
+    with
+        $FunctionalFamilyOverride<
+          FutureOr<List<PriceDocument>>,
+          DocumentCategory
+        > {
+  const FilteredPriceDocumentsFamily._()
+    : super(
+        retry: null,
+        name: r'filteredPriceDocumentsProvider',
+        dependencies: null,
+        $allTransitiveDependencies: null,
+        isAutoDispose: true,
+      );
+
+  /// Provider for filtered documents by category
+
+  FilteredPriceDocumentsProvider call(DocumentCategory category) =>
+      FilteredPriceDocumentsProvider._(argument: category, from: this);
+
+  @override
+  String toString() => r'filteredPriceDocumentsProvider';
+}

lib/features/price_policy/presentation/widgets/document_card.dart

@@ -0,0 +1,169 @@
+import 'package:flutter/material.dart';
+import '../../../../core/constants/ui_constants.dart';
+import '../../../../core/theme/colors.dart';
+import '../../domain/entities/price_document.dart';
+
+/// Document card widget displaying price policy or price list document
+class DocumentCard extends StatelessWidget {
+  final PriceDocument document;
+  final VoidCallback onDownload;
+
+  const DocumentCard({
+    super.key,
+    required this.document,
+    required this.onDownload,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: BoxDecoration(
+        color: AppColors.white,
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(color: AppColors.grey100),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withOpacity(0.05),
+            blurRadius: 4,
+            offset: const Offset(0, 2),
+          ),
+        ],
+      ),
+      child: Material(
+        color: Colors.transparent,
+        child: InkWell(
+          borderRadius: BorderRadius.circular(12),
+          onTap: onDownload,
+          child: Padding(
+            padding: const EdgeInsets.all(AppSpacing.md),
+            child: LayoutBuilder(
+              builder: (context, constraints) {
+                // Responsive layout: column on mobile, row on larger screens
+                final isNarrow = constraints.maxWidth < 600;
+
+                if (isNarrow) {
+                  return Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Row(
+                        children: [
+                          _buildIcon(),
+                          const SizedBox(width: AppSpacing.md),
+                          Expanded(child: _buildInfo()),
+                        ],
+                      ),
+                      const SizedBox(height: AppSpacing.md),
+                      SizedBox(
+                        width: double.infinity,
+                        child: _buildDownloadButton(),
+                      ),
+                    ],
+                  );
+                }
+
+                return Row(
+                  children: [
+                    _buildIcon(),
+                    const SizedBox(width: AppSpacing.md),
+                    Expanded(child: _buildInfo()),
+                    const SizedBox(width: AppSpacing.md),
+                    _buildDownloadButton(),
+                  ],
+                );
+              },
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildIcon() {
+    final iconData = document.isPdf ? Icons.picture_as_pdf : Icons.table_chart;
+    final iconColor = document.isPdf
+        ? Colors.red.shade600
+        : Colors.green.shade600;
+
+    return Container(
+      width: 50,
+      height: 50,
+      decoration: BoxDecoration(
+        color: AppColors.grey50,
+        borderRadius: BorderRadius.circular(8),
+      ),
+      child: Icon(iconData, size: 28, color: iconColor),
+    );
+  }
+
+  Widget _buildInfo() {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          document.title,
+          style: const TextStyle(
+            fontSize: 16,
+            fontWeight: FontWeight.w600,
+            color: AppColors.grey900,
+          ),
+        ),
+        const SizedBox(height: 4),
+        Row(
+          children: [
+            const Icon(
+              Icons.calendar_today,
+              size: 13,
+              color: AppColors.grey500,
+            ),
+            const SizedBox(width: 4),
+            Text(
+              document.formattedDateWithPrefix,
+              style: const TextStyle(fontSize: 13, color: AppColors.grey500),
+            ),
+            if (document.fileSize != null) ...[
+              const SizedBox(width: 8),
+              const Text(
+                '•',
+                style: TextStyle(fontSize: 13, color: AppColors.grey500),
+              ),
+              const SizedBox(width: 8),
+              Text(
+                document.fileSize!,
+                style: const TextStyle(fontSize: 13, color: AppColors.grey500),
+              ),
+            ],
+          ],
+        ),
+        const SizedBox(height: 6),
+        Text(
+          document.description,
+          style: const TextStyle(
+            fontSize: 14,
+            color: AppColors.grey500,
+            height: 1.4,
+          ),
+          maxLines: 2,
+          overflow: TextOverflow.ellipsis,
+        ),
+      ],
+    );
+  }
+
+  Widget _buildDownloadButton() {
+    return ElevatedButton.icon(
+      onPressed: onDownload,
+      style: ElevatedButton.styleFrom(
+        backgroundColor: AppColors.primaryBlue,
+        foregroundColor: AppColors.white,
+        elevation: 0,
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+      ),
+      icon: const Icon(Icons.download, size: 18),
+      label: const Text(
+        'Tải về',
+        style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500),
+      ),
+    );
+  }
+}

lib/features/price_policy/price_policy.dart

@@ -0,0 +1,12 @@
+/// Price Policy Feature Barrel Export
+///
+/// Provides easy access to all price policy feature components.
+library;
+
+// Domain
+export 'domain/entities/price_document.dart';
+
+// Presentation
+export 'presentation/pages/price_policy_page.dart';
+export 'presentation/widgets/document_card.dart';
+export 'presentation/providers/price_documents_provider.dart';