#first commit

lib/features/auth/data/datasources/auth_http_datasource.dart

@@ -0,0 +1,5 @@
+import '../models/user_model.dart';
+
+abstract class AuthHttpDataSource {
+  Future<UserModel> login(String username, String password, int sourceType);
+}

lib/features/auth/data/datasources/impl/auth_http_datasource_impl.dart

@@ -0,0 +1,29 @@
+import 'package:dio/dio.dart';
+
+import '../../models/user_model.dart';
+import '../auth_http_datasource.dart';
+
+class AuthHttpDataSourceImpl implements AuthHttpDataSource {
+  final Dio dio;
+
+  AuthHttpDataSourceImpl(this.dio);
+
+  @override
+  Future<UserModel> login(String username, String password, sourceType) async {
+    final response = await dio.post(
+      '/auth',
+      data: {
+        'username': username,
+        'password': password,
+        'sourceType': sourceType,
+      },
+    );
+
+    if (response.statusCode == 200) {
+      print('runtimeType = ${response.data.runtimeType}');
+      return UserModel.fromJson(response.data);
+    } else {
+      throw Exception(response.data['message'] ?? 'Login failed');
+    }
+  }
+}

lib/features/auth/data/models/user_model.dart

@@ -0,0 +1,62 @@
+import '../../../../core/domain/entities/user_entity.dart';
+
+class UserModel extends UserEntity {
+  UserModel({
+    required super.userId,
+    required super.username,
+    required super.nickname,
+    required super.token,
+    super.avatar,
+    super.email,
+    super.phone,
+  });
+
+  factory UserModel.fromJson(Map<String, dynamic> json) {
+    print(json);
+    return UserModel(
+      userId: json['userId'],
+      username: json['username'],
+      nickname: json['nickName'],
+      token: json['token'],
+      avatar: json['avatar'],
+      email: json['email'],
+      phone: json['phone'],
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'userId': userId,
+      'username': username,
+      'nickName': nickname,
+      'token': token,
+      'avatar': avatar,
+      'email': email,
+      'phone': phone,
+    };
+  }
+
+  toEntity() {
+    return UserEntity(
+      userId: userId,
+      username: username,
+      nickname: nickname,
+      token: token,
+      avatar: avatar,
+      email: email,
+      phone: phone,
+    );
+  }
+
+  factory UserModel.fromEntity(UserEntity entity) {
+    return UserModel(
+      userId: entity.userId,
+      username: entity.username,
+      nickname: entity.nickname,
+      token: entity.token,
+      avatar: entity.avatar,
+      email: entity.email,
+      phone: entity.phone,
+    );
+  }
+}

lib/features/auth/data/repositories/auth_repository_impl.dart

@@ -0,0 +1,37 @@
+import 'package:maibu_satabot_v2/core/storage/user_storage.dart';
+
+import '../../../../core/domain/entities/user_entity.dart';
+import '../../domain/repositories/auth_repository.dart';
+import '../datasources/auth_http_datasource.dart';
+
+class AuthRepositoryImpl implements AuthRepository {
+  final AuthHttpDataSource remote;
+  final UserStorage localTokenStorage;
+
+  AuthRepositoryImpl({required this.remote, required this.localTokenStorage});
+
+  @override
+  // 注意 1：返回类型应该是 Domain 层的 UserEntity，而不是 UserModel
+  Future<UserEntity> login(
+    String username,
+    String password,
+    int sourceType,
+  ) async {
+    try {
+      // 1. 从数据源获取 Data Model
+      final userModel = await remote.login(username, password, sourceType);
+
+      // 2. 职责核心：将 Model 转换为 Entity (解耦业务与 JSON 结构)
+      if (userModel != null) {
+        await localTokenStorage.saveUser(userModel);
+      }
+
+      // 2. 只返回纯粹的用户信息实体
+      return userModel.toEntity();
+    } catch (e) {
+      // 3. 职责核心：异常翻译
+      // 不直接抛出 Dio 异常，而是抛出业务层定义的自定义异常或返回 Failure
+      throw Exception(e.toString());
+    }
+  }
+}