update database

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,
+  );
+}