runable

lib/features/products/domain/usecases/get_all_products.dart

@@ -0,0 +1,15 @@
+import 'package:dartz/dartz.dart';
+import '../../../../core/errors/failures.dart';
+import '../entities/product.dart';
+import '../repositories/product_repository.dart';
+
+/// Use case to get all products
+class GetAllProducts {
+  final ProductRepository repository;
+
+  GetAllProducts(this.repository);
+
+  Future<Either<Failure, List<Product>>> call() async {
+    return await repository.getAllProducts();
+  }
+}

lib/features/products/domain/usecases/search_products.dart

@@ -0,0 +1,15 @@
+import 'package:dartz/dartz.dart';
+import '../../../../core/errors/failures.dart';
+import '../entities/product.dart';
+import '../repositories/product_repository.dart';
+
+/// Use case to search products
+class SearchProducts {
+  final ProductRepository repository;
+
+  SearchProducts(this.repository);
+
+  Future<Either<Failure, List<Product>>> call(String query) async {
+    return await repository.searchProducts(query);
+  }
+}