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2026-10-15 20:36:59 +08:00
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+import 'package:dio/dio.dart';
+
+import '../core/network/api_client.dart';
+import '../core/network/endpoints.dart';
+import '../models/user_model.dart';
+import '../models/user_profile.dart';
+import '../models/video_item.dart';
+
+/// 用户服务（《03-接口文档》第 4 章 + 6.6/6.7）
+class UserService {
+  UserService._();
+
+  /// 4.1 获取个人信息
+  static Future<UserModel> fetchMe() async {
+    final data = await ApiClient.get<Map<String, dynamic>>(Endpoints.me);
+    return UserModel.fromJson(data);
+  }
+
+  /// 4.2 修改资料（返回更新后的完整用户对象）
+  static Future<UserModel> updateMe({
+    String? nickname,
+    String? bio,
+    int? gender,
+  }) async {
+    final data = await ApiClient.put<Map<String, dynamic>>(
+      Endpoints.me,
+      data: {
+        if (nickname != null) 'nickname': nickname,
+        if (bio != null) 'bio': bio,
+        if (gender != null) 'gender': gender,
+      },
+    );
+    return UserModel.fromJson(data);
+  }
+
+  /// 4.3 上传头像（multipart，字段名 file；仅支持 jpg/png，≤5MB）
+  static Future<String> uploadAvatar({
+    required String filePath,
+    required String fileName,
+  }) async {
+    final data = await ApiClient.post<Map<String, dynamic>>(
+      Endpoints.meAvatar,
+      data: FormData.fromMap({
+        'file': await MultipartFile.fromFile(filePath, filename: fileName),
+      }),
+    );
+    return (data['avatar_url'] as String?) ?? '';
+  }
+
+  /// 4.7 用户公开主页（游客可）
+  static Future<UserPublicProfile> fetchPublicProfile(int userId) async {
+    final data =
+        await ApiClient.get<Map<String, dynamic>>(Endpoints.userDetail(userId));
+    return UserPublicProfile.fromJson(data);
+  }
+
+  /// 4.8 他人作品列表（仅已发布）
+  static Future<PagedVideos> fetchUserVideos(
+    int userId, {
+    int page = 1,
+    int pageSize = 50,
+  }) =>
+      _fetchVideos(Endpoints.userVideos(userId), page: page, pageSize: pageSize);
+
+  /// 我的作品（需登录，含各状态）
+  static Future<PagedVideos> fetchMyVideos({
+    int page = 1,
+    int pageSize = 50,
+  }) =>
+      _fetchVideos(Endpoints.meVideos, page: page, pageSize: pageSize);
+
+  /// 6.6 我的收藏（需登录）
+  static Future<PagedVideos> fetchMyFavorites({
+    int page = 1,
+    int pageSize = 50,
+  }) =>
+      _fetchVideos(Endpoints.meFavorites, page: page, pageSize: pageSize);
+
+  /// 6.7 观看历史（需登录）：video + watched_at + cost_type
+  static Future<List<HistoryItem>> fetchMyHistory({
+    int page = 1,
+    int pageSize = 50,
+  }) async {
+    final data = await ApiClient.get<Map<String, dynamic>>(
+      Endpoints.meHistory,
+      queryParameters: {'page': page, 'page_size': pageSize},
+    );
+    return ((data['list'] as List?) ?? const [])
+        .whereType<Map<String, dynamic>>()
+        .map(HistoryItem.fromJson)
+        .toList();
+  }
+
+  static Future<PagedVideos> _fetchVideos(
+    String path, {
+    required int page,
+    required int pageSize,
+  }) async {
+    final data = await ApiClient.get<Map<String, dynamic>>(
+      path,
+      queryParameters: {'page': page, 'page_size': pageSize},
+    );
+    return PagedVideos(
+      total: (data['total'] as num?)?.toInt() ?? 0,
+      items: ((data['list'] as List?) ?? const [])
+          .whereType<Map<String, dynamic>>()
+          .map(VideoItem.fromJson)
+          .toList(),
+    );
+  }
+}
+
+/// 视频分页结果（普通 page/page_size 分页）
+class PagedVideos {
+  PagedVideos({required this.total, required this.items});
+
+  final int total;
+  final List<VideoItem> items;
+}