step 7 : proses login dan refactor struktur folder

lib/repository/auth_repository.dart

@@ -0,0 +1,23 @@
+import '../model/auth_model.dart';
+import 'base_repository.dart';
+
+class AuthRepository extends BaseRepository {
+  AuthRepository({required super.dio});
+
+  Future<AuthModel> login({
+    required String username,
+    required String host,
+    required String password,
+  }) async {
+    final param = {"username": username, "password": password};
+    // final service = "${Constant.baseUrl}xauth/login";
+    final service = "http://${host}/one-api/v1/system/auth/login";
+    final resp = await post(param: param, service: service);
+
+    final result = AuthModel(
+      token: resp["data"]["token"],
+      model: UserModel.fromJson(resp["data"]["user"]),
+    );
+    return result;
+  }
+}