#first commit

lib/features/auth/presentation/bloc/login_cubit.dart

@@ -0,0 +1,29 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+import '../../domain/usecases/login_usecase.dart';
+import 'auth_cubit.dart';
+import 'login_state.dart';
+
+class LoginCubit extends Cubit<LoginState> {
+  final LoginUseCase loginUseCase;
+  final AuthCubit authCubit;
+
+  LoginCubit(this.loginUseCase, this.authCubit) : super(LoginInitial());
+
+  /// Login
+  /// @param username    用户名
+  /// @param password    密码
+  /// @param sourceType  登录来源: 1:web; 2:mobile; 3:mini_programs; 4:pc
+  Future<void> login(String username, String password, sourceType) async {
+    emit(LoginLoading());
+    try {
+      final resultUser = await loginUseCase.call(
+        LoginParams(username, password, sourceType),
+      );
+      authCubit.loginSuccess(resultUser);
+      emit(LoginSuccess(resultUser));
+    } catch (e) {
+      emit(LoginFailure(e.toString()));
+    }
+  }
+}