feat:login page connected with backend

lib/feature/auth/domain/repository/auth_repository.dart

@@ -0,0 +1,35 @@
+import 'package:dartz/dartz.dart';
+import 'package:food_delivery_client/core/services/request_handler_service.dart';
+import 'package:food_delivery_client/feature/auth/data/datasource/auth_datasource.dart';
+import 'package:food_delivery_client/feature/auth/data/models/response/login_response.dart';
+import 'package:food_delivery_client/food_delivery_client.dart';
+
+abstract class AuthRepository {
+  Future<Either<Failure, LoginResponseModel>> login({
+    required String phoneNumber,
+    required String password,
+  });
+}
+
+@LazySingleton(as: AuthRepository)
+class AuthRepositoryImpl implements AuthRepository {
+  final RequestHandlerService _requestHandlerService;
+  final AuthDatasource _authDatasource;
+
+  AuthRepositoryImpl(this._requestHandlerService, this._authDatasource);
+
+  @override
+  Future<Either<Failure, LoginResponseModel>> login({
+    required String phoneNumber,
+    required String password,
+  }) async {
+    return _requestHandlerService.handleRequestInRepository(
+      onRequest: () async {
+        return _authDatasource.login(
+          phoneNumber: phoneNumber,
+          password: password,
+        );
+      },
+    );
+  }
+}

lib/feature/auth/domain/usecases/login_usecase.dart

@@ -0,0 +1,26 @@
+import 'package:dartz/dartz.dart';
+import 'package:food_delivery_client/core/usecase/usecase.dart';
+import 'package:food_delivery_client/feature/auth/data/models/response/login_response.dart';
+import 'package:food_delivery_client/feature/auth/domain/repository/auth_repository.dart';
+import 'package:food_delivery_client/food_delivery_client.dart';
+@injectable
+class LoginUseCase implements UseCase<LoginResponseModel, LoginParams> {
+  final AuthRepository _authRepository;
+
+  LoginUseCase(this._authRepository);
+
+  @override
+  Future<Either<Failure, LoginResponseModel>> call(LoginParams params) async {
+    return _authRepository.login(
+      phoneNumber: params.phoneNumber,
+      password: params.password,
+    );
+  }
+}
+
+class LoginParams {
+  final String phoneNumber;
+  final String password;
+
+  LoginParams({required this.phoneNumber, required this.password});
+}