runable

lib/features/home/data/repositories/cart_repository_impl.dart

@@ -0,0 +1,66 @@
+import 'package:dartz/dartz.dart';
+import '../../domain/entities/cart_item.dart';
+import '../../domain/repositories/cart_repository.dart';
+import '../datasources/cart_local_datasource.dart';
+import '../models/cart_item_model.dart';
+import '../../../../core/errors/failures.dart';
+import '../../../../core/errors/exceptions.dart';
+
+class CartRepositoryImpl implements CartRepository {
+  final CartLocalDataSource localDataSource;
+
+  CartRepositoryImpl({
+    required this.localDataSource,
+  });
+
+  @override
+  Future<Either<Failure, List<CartItem>>> getCartItems() async {
+    try {
+      final items = await localDataSource.getCartItems();
+      return Right(items.map((model) => model.toEntity()).toList());
+    } on CacheException catch (e) {
+      return Left(CacheFailure(e.message));
+    }
+  }
+
+  @override
+  Future<Either<Failure, void>> addToCart(CartItem item) async {
+    try {
+      final model = CartItemModel.fromEntity(item);
+      await localDataSource.addToCart(model);
+      return const Right(null);
+    } on CacheException catch (e) {
+      return Left(CacheFailure(e.message));
+    }
+  }
+
+  @override
+  Future<Either<Failure, void>> updateQuantity(String productId, int quantity) async {
+    try {
+      await localDataSource.updateQuantity(productId, quantity);
+      return const Right(null);
+    } on CacheException catch (e) {
+      return Left(CacheFailure(e.message));
+    }
+  }
+
+  @override
+  Future<Either<Failure, void>> removeFromCart(String productId) async {
+    try {
+      await localDataSource.removeFromCart(productId);
+      return const Right(null);
+    } on CacheException catch (e) {
+      return Left(CacheFailure(e.message));
+    }
+  }
+
+  @override
+  Future<Either<Failure, void>> clearCart() async {
+    try {
+      await localDataSource.clearCart();
+      return const Right(null);
+    } on CacheException catch (e) {
+      return Left(CacheFailure(e.message));
+    }
+  }
+}