update database

lib/features/cart/data/models/cart_item_model.dart

@@ -0,0 +1,79 @@
+import 'package:hive_ce/hive.dart';
+import 'package:worker/core/constants/storage_constants.dart';
+
+part 'cart_item_model.g.dart';
+
+/// Cart Item Model - Type ID: 5
+@HiveType(typeId: HiveTypeIds.cartItemModel)
+class CartItemModel extends HiveObject {
+  CartItemModel({
+    required this.cartItemId,
+    required this.cartId,
+    required this.productId,
+    required this.quantity,
+    required this.unitPrice,
+    required this.subtotal,
+    required this.addedAt,
+  });
+
+  @HiveField(0)
+  final String cartItemId;
+
+  @HiveField(1)
+  final String cartId;
+
+  @HiveField(2)
+  final String productId;
+
+  @HiveField(3)
+  final double quantity;
+
+  @HiveField(4)
+  final double unitPrice;
+
+  @HiveField(5)
+  final double subtotal;
+
+  @HiveField(6)
+  final DateTime addedAt;
+
+  factory CartItemModel.fromJson(Map<String, dynamic> json) {
+    return CartItemModel(
+      cartItemId: json['cart_item_id'] as String,
+      cartId: json['cart_id'] as String,
+      productId: json['product_id'] as String,
+      quantity: (json['quantity'] as num).toDouble(),
+      unitPrice: (json['unit_price'] as num).toDouble(),
+      subtotal: (json['subtotal'] as num).toDouble(),
+      addedAt: DateTime.parse(json['added_at'] as String),
+    );
+  }
+
+  Map<String, dynamic> toJson() => {
+    'cart_item_id': cartItemId,
+    'cart_id': cartId,
+    'product_id': productId,
+    'quantity': quantity,
+    'unit_price': unitPrice,
+    'subtotal': subtotal,
+    'added_at': addedAt.toIso8601String(),
+  };
+
+  CartItemModel copyWith({
+    String? cartItemId,
+    String? cartId,
+    String? productId,
+    double? quantity,
+    double? unitPrice,
+    double? subtotal,
+    DateTime? addedAt,
+  }) => CartItemModel(
+    cartItemId: cartItemId ?? this.cartItemId,
+    cartId: cartId ?? this.cartId,
+    productId: productId ?? this.productId,
+    quantity: quantity ?? this.quantity,
+    unitPrice: unitPrice ?? this.unitPrice,
+    subtotal: subtotal ?? this.subtotal,
+    addedAt: addedAt ?? this.addedAt,
+  );
+}

lib/features/cart/data/models/cart_item_model.g.dart

@@ -0,0 +1,59 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'cart_item_model.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class CartItemModelAdapter extends TypeAdapter<CartItemModel> {
+  @override
+  final typeId = 5;
+
+  @override
+  CartItemModel read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return CartItemModel(
+      cartItemId: fields[0] as String,
+      cartId: fields[1] as String,
+      productId: fields[2] as String,
+      quantity: (fields[3] as num).toDouble(),
+      unitPrice: (fields[4] as num).toDouble(),
+      subtotal: (fields[5] as num).toDouble(),
+      addedAt: fields[6] as DateTime,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, CartItemModel obj) {
+    writer
+      ..writeByte(7)
+      ..writeByte(0)
+      ..write(obj.cartItemId)
+      ..writeByte(1)
+      ..write(obj.cartId)
+      ..writeByte(2)
+      ..write(obj.productId)
+      ..writeByte(3)
+      ..write(obj.quantity)
+      ..writeByte(4)
+      ..write(obj.unitPrice)
+      ..writeByte(5)
+      ..write(obj.subtotal)
+      ..writeByte(6)
+      ..write(obj.addedAt);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is CartItemModelAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}

lib/features/cart/data/models/cart_model.dart

@@ -0,0 +1,71 @@
+import 'package:hive_ce/hive.dart';
+import 'package:worker/core/constants/storage_constants.dart';
+
+part 'cart_model.g.dart';
+
+/// Cart Model - Type ID: 4
+@HiveType(typeId: HiveTypeIds.cartModel)
+class CartModel extends HiveObject {
+  CartModel({
+    required this.cartId,
+    required this.userId,
+    required this.totalAmount,
+    required this.isSynced,
+    required this.lastModified,
+    required this.createdAt,
+  });
+
+  @HiveField(0)
+  final String cartId;
+
+  @HiveField(1)
+  final String userId;
+
+  @HiveField(2)
+  final double totalAmount;
+
+  @HiveField(3)
+  final bool isSynced;
+
+  @HiveField(4)
+  final DateTime lastModified;
+
+  @HiveField(5)
+  final DateTime createdAt;
+
+  factory CartModel.fromJson(Map<String, dynamic> json) {
+    return CartModel(
+      cartId: json['cart_id'] as String,
+      userId: json['user_id'] as String,
+      totalAmount: (json['total_amount'] as num).toDouble(),
+      isSynced: json['is_synced'] as bool? ?? false,
+      lastModified: DateTime.parse(json['last_modified'] as String),
+      createdAt: DateTime.parse(json['created_at'] as String),
+    );
+  }
+
+  Map<String, dynamic> toJson() => {
+    'cart_id': cartId,
+    'user_id': userId,
+    'total_amount': totalAmount,
+    'is_synced': isSynced,
+    'last_modified': lastModified.toIso8601String(),
+    'created_at': createdAt.toIso8601String(),
+  };
+
+  CartModel copyWith({
+    String? cartId,
+    String? userId,
+    double? totalAmount,
+    bool? isSynced,
+    DateTime? lastModified,
+    DateTime? createdAt,
+  }) => CartModel(
+    cartId: cartId ?? this.cartId,
+    userId: userId ?? this.userId,
+    totalAmount: totalAmount ?? this.totalAmount,
+    isSynced: isSynced ?? this.isSynced,
+    lastModified: lastModified ?? this.lastModified,
+    createdAt: createdAt ?? this.createdAt,
+  );
+}

lib/features/cart/data/models/cart_model.g.dart

@@ -0,0 +1,56 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'cart_model.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class CartModelAdapter extends TypeAdapter<CartModel> {
+  @override
+  final typeId = 4;
+
+  @override
+  CartModel read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return CartModel(
+      cartId: fields[0] as String,
+      userId: fields[1] as String,
+      totalAmount: (fields[2] as num).toDouble(),
+      isSynced: fields[3] as bool,
+      lastModified: fields[4] as DateTime,
+      createdAt: fields[5] as DateTime,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, CartModel obj) {
+    writer
+      ..writeByte(6)
+      ..writeByte(0)
+      ..write(obj.cartId)
+      ..writeByte(1)
+      ..write(obj.userId)
+      ..writeByte(2)
+      ..write(obj.totalAmount)
+      ..writeByte(3)
+      ..write(obj.isSynced)
+      ..writeByte(4)
+      ..write(obj.lastModified)
+      ..writeByte(5)
+      ..write(obj.createdAt);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is CartModelAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}

lib/features/cart/domain/entities/cart.dart

@@ -0,0 +1,92 @@
+/// Domain Entity: Cart
+///
+/// Represents a shopping cart for a user.
+library;
+
+/// Cart Entity
+///
+/// Contains cart-level information:
+/// - User ID
+/// - Total amount
+/// - Sync status
+/// - Timestamps
+class Cart {
+  /// Unique cart identifier
+  final String cartId;
+
+  /// User ID who owns this cart
+  final String userId;
+
+  /// Total cart amount
+  final double totalAmount;
+
+  /// Whether cart is synced with backend
+  final bool isSynced;
+
+  /// Last modification timestamp
+  final DateTime lastModified;
+
+  /// Cart creation timestamp
+  final DateTime createdAt;
+
+  const Cart({
+    required this.cartId,
+    required this.userId,
+    required this.totalAmount,
+    required this.isSynced,
+    required this.lastModified,
+    required this.createdAt,
+  });
+
+  /// Check if cart is empty
+  bool get isEmpty => totalAmount == 0;
+
+  /// Check if cart needs sync
+  bool get needsSync => !isSynced;
+
+  /// Copy with method for immutability
+  Cart copyWith({
+    String? cartId,
+    String? userId,
+    double? totalAmount,
+    bool? isSynced,
+    DateTime? lastModified,
+    DateTime? createdAt,
+  }) {
+    return Cart(
+      cartId: cartId ?? this.cartId,
+      userId: userId ?? this.userId,
+      totalAmount: totalAmount ?? this.totalAmount,
+      isSynced: isSynced ?? this.isSynced,
+      lastModified: lastModified ?? this.lastModified,
+      createdAt: createdAt ?? this.createdAt,
+    );
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is Cart &&
+        other.cartId == cartId &&
+        other.userId == userId &&
+        other.totalAmount == totalAmount &&
+        other.isSynced == isSynced;
+  }
+
+  @override
+  int get hashCode {
+    return Object.hash(
+      cartId,
+      userId,
+      totalAmount,
+      isSynced,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'Cart(cartId: $cartId, userId: $userId, totalAmount: $totalAmount, '
+        'isSynced: $isSynced, lastModified: $lastModified)';
+  }
+}

lib/features/cart/domain/entities/cart_item.dart

@@ -0,0 +1,98 @@
+/// Domain Entity: Cart Item
+///
+/// Represents a single item in a shopping cart.
+library;
+
+/// Cart Item Entity
+///
+/// Contains item-level information:
+/// - Product reference
+/// - Quantity
+/// - Pricing
+class CartItem {
+  /// Unique cart item identifier
+  final String cartItemId;
+
+  /// Cart ID this item belongs to
+  final String cartId;
+
+  /// Product ID
+  final String productId;
+
+  /// Quantity ordered
+  final double quantity;
+
+  /// Unit price at time of adding to cart
+  final double unitPrice;
+
+  /// Subtotal (quantity * unitPrice)
+  final double subtotal;
+
+  /// Timestamp when item was added
+  final DateTime addedAt;
+
+  const CartItem({
+    required this.cartItemId,
+    required this.cartId,
+    required this.productId,
+    required this.quantity,
+    required this.unitPrice,
+    required this.subtotal,
+    required this.addedAt,
+  });
+
+  /// Calculate subtotal (for verification)
+  double get calculatedSubtotal => quantity * unitPrice;
+
+  /// Copy with method for immutability
+  CartItem copyWith({
+    String? cartItemId,
+    String? cartId,
+    String? productId,
+    double? quantity,
+    double? unitPrice,
+    double? subtotal,
+    DateTime? addedAt,
+  }) {
+    return CartItem(
+      cartItemId: cartItemId ?? this.cartItemId,
+      cartId: cartId ?? this.cartId,
+      productId: productId ?? this.productId,
+      quantity: quantity ?? this.quantity,
+      unitPrice: unitPrice ?? this.unitPrice,
+      subtotal: subtotal ?? this.subtotal,
+      addedAt: addedAt ?? this.addedAt,
+    );
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is CartItem &&
+        other.cartItemId == cartItemId &&
+        other.cartId == cartId &&
+        other.productId == productId &&
+        other.quantity == quantity &&
+        other.unitPrice == unitPrice &&
+        other.subtotal == subtotal;
+  }
+
+  @override
+  int get hashCode {
+    return Object.hash(
+      cartItemId,
+      cartId,
+      productId,
+      quantity,
+      unitPrice,
+      subtotal,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'CartItem(cartItemId: $cartItemId, productId: $productId, '
+        'quantity: $quantity, unitPrice: $unitPrice, subtotal: $subtotal)';
+  }
+}