fix todo

lib/features/todos/data/repositories/todo_repository_impl.dart

@@ -0,0 +1,49 @@
+import 'package:fpdart/fpdart.dart';
+import '../../../../core/errors/exceptions.dart';
+import '../../../../core/errors/failures.dart';
+import '../../../../core/network/network_info.dart';
+import '../../domain/entities/todo.dart';
+import '../../domain/repositories/todo_repository.dart';
+import '../datasources/todo_remote_datasource.dart';
+
+class TodoRepositoryImpl implements TodoRepository {
+  final TodoRemoteDataSource remoteDataSource;
+  final NetworkInfo networkInfo;
+
+  TodoRepositoryImpl({
+    required this.remoteDataSource,
+    required this.networkInfo,
+  });
+
+  @override
+  Future<Either<Failure, List<Todo>>> getTodos() async {
+    if (!await networkInfo.isConnected) {
+      return const Left(NetworkFailure('No internet connection'));
+    }
+
+    try {
+      final todos = await remoteDataSource.getTodos();
+      return Right(todos.map((model) => model.toEntity()).toList());
+    } on ServerException catch (e) {
+      return Left(ServerFailure(e.message));
+    } catch (e) {
+      return Left(ServerFailure(e.toString()));
+    }
+  }
+
+  @override
+  Future<Either<Failure, void>> refreshTodos() async {
+    if (!await networkInfo.isConnected) {
+      return const Left(NetworkFailure('No internet connection'));
+    }
+
+    try {
+      await remoteDataSource.getTodos();
+      return const Right(null);
+    } on ServerException catch (e) {
+      return Left(ServerFailure(e.message));
+    } catch (e) {
+      return Left(ServerFailure(e.toString()));
+    }
+  }
+}