二次开发源码提交

2026-05-15 08:52:48 +08:00
parent 4131f7321a
commit eb35a1d067
191 changed files with 34566 additions and 0 deletions
@@ -0,0 +1,220 @@
+import 'package:flutter/foundation.dart';
+import '../../data/models/admin_model.dart';
+import '../../services/admin_service.dart';
+import '../../core/utils/app_logger.dart';
+
+enum AdminState { idle, loading, error }
+
+/// 管理员数据 Provider
+class AdminProvider extends ChangeNotifier {
+  AdminState _state = AdminState.idle;
+  List<AdminGroupModel> _groups = [];
+  List<AdminUserModel> _users = [];
+  PaginationModel? _groupsPagination;
+  PaginationModel? _usersPagination;
+  String? _errorMessage;
+
+  // 用户多选状态
+  final Set<int> _selectedUserIds = {};
+  bool _isSelectingUsers = false;
+
+  AdminState get state => _state;
+  List<AdminGroupModel> get groups => _groups;
+  List<AdminUserModel> get users => _users;
+  PaginationModel? get groupsPagination => _groupsPagination;
+  PaginationModel? get usersPagination => _usersPagination;
+  String? get errorMessage => _errorMessage;
+  bool get isLoading => _state == AdminState.loading;
+  Set<int> get selectedUserIds => _selectedUserIds;
+  bool get isSelectingUsers => _isSelectingUsers;
+  bool get hasSelectedUsers => _selectedUserIds.isNotEmpty;
+
+  final AdminService _service = AdminService.instance;
+
+  /// 加载用户组列表
+  Future<void> loadGroups({int page = 1}) async {
+    try {
+      final response = await _service.getGroups(page: page);
+      _groups = response.groups;
+      _groupsPagination = response.pagination;
+      notifyListeners();
+    } catch (e) {
+      AppLogger.d('加载用户组失败: $e');
+      _errorMessage = e.toString();
+      notifyListeners();
+    }
+  }
+
+  /// 加载用户列表
+  Future<void> loadUsers({int page = 1}) async {
+    try {
+      final response = await _service.getUsers(page: page);
+      _users = response.users;
+      _usersPagination = response.pagination;
+      notifyListeners();
+    } catch (e) {
+      AppLogger.d('加载用户列表失败: $e');
+      _errorMessage = e.toString();
+      notifyListeners();
+    }
+  }
+
+  /// 加载全部管理员数据
+  Future<void> loadAll() async {
+    _setState(AdminState.loading);
+    try {
+      await Future.wait([
+        loadGroups(),
+        loadUsers(),
+      ]);
+      _setState(AdminState.idle);
+    } catch (e) {
+      _errorMessage = e.toString();
+      _setState(AdminState.error);
+    }
+  }
+
+  /// 创建用户组
+  Future<bool> createGroup(String name) async {
+    try {
+      final group = await _service.createGroup(name);
+      _groups.insert(0, group);
+      if (_groupsPagination != null) {
+        _groupsPagination = PaginationModel(
+          page: _groupsPagination!.page,
+          pageSize: _groupsPagination!.pageSize,
+          totalItems: _groupsPagination!.totalItems + 1,
+        );
+      }
+      notifyListeners();
+      return true;
+    } catch (e) {
+      AppLogger.d('创建用户组失败: $e');
+      _errorMessage = e.toString();
+      notifyListeners();
+      return false;
+    }
+  }
+
+  /// 删除用户组（会先检查组下是否有用户）
+  Future<String?> deleteGroup(int groupId) async {
+    try {
+      final detail = await _service.getGroupDetail(groupId);
+      if ((detail.totalUsers ?? 0) > 0) {
+        return '该组下有 ${detail.totalUsers} 个用户，请先删除或迁移用户';
+      }
+      await _service.deleteGroup(groupId);
+      _groups.removeWhere((g) => g.id == groupId);
+      if (_groupsPagination != null) {
+        _groupsPagination = PaginationModel(
+          page: _groupsPagination!.page,
+          pageSize: _groupsPagination!.pageSize,
+          totalItems: _groupsPagination!.totalItems - 1,
+        );
+      }
+      notifyListeners();
+      return null;
+    } catch (e) {
+      AppLogger.d('删除用户组失败: $e');
+      return e.toString();
+    }
+  }
+
+  /// 创建用户
+  Future<bool> createUser({
+    required String email,
+    required String nick,
+    required String password,
+    required int groupId,
+  }) async {
+    try {
+      final user = await _service.createUser(
+        email: email,
+        nick: nick,
+        password: password,
+        groupId: groupId,
+      );
+      _users.insert(0, user);
+      if (_usersPagination != null) {
+        _usersPagination = PaginationModel(
+          page: _usersPagination!.page,
+          pageSize: _usersPagination!.pageSize,
+          totalItems: _usersPagination!.totalItems + 1,
+        );
+      }
+      notifyListeners();
+      return true;
+    } catch (e) {
+      AppLogger.d('创建用户失败: $e');
+      _errorMessage = e.toString();
+      notifyListeners();
+      return false;
+    }
+  }
+
+  /// 批量删除用户
+  Future<bool> batchDeleteUsers(List<int> ids) async {
+    try {
+      await _service.batchDeleteUsers(ids);
+      _users.removeWhere((u) => ids.contains(u.id));
+      if (_usersPagination != null) {
+        _usersPagination = PaginationModel(
+          page: _usersPagination!.page,
+          pageSize: _usersPagination!.pageSize,
+          totalItems: _usersPagination!.totalItems - ids.length,
+        );
+      }
+      exitSelectMode();
+      notifyListeners();
+      return true;
+    } catch (e) {
+      AppLogger.d('批量删除用户失败: $e');
+      _errorMessage = e.toString();
+      notifyListeners();
+      return false;
+    }
+  }
+
+  // --- 多选模式 ---
+
+  void toggleSelectMode() {
+    _isSelectingUsers = !_isSelectingUsers;
+    if (!_isSelectingUsers) {
+      _selectedUserIds.clear();
+    }
+    notifyListeners();
+  }
+
+  void exitSelectMode() {
+    _isSelectingUsers = false;
+    _selectedUserIds.clear();
+    notifyListeners();
+  }
+
+  void toggleUserSelection(int userId) {
+    if (_selectedUserIds.contains(userId)) {
+      _selectedUserIds.remove(userId);
+    } else {
+      _selectedUserIds.add(userId);
+    }
+    notifyListeners();
+  }
+
+  void selectAllUsers() {
+    _selectedUserIds.clear();
+    _selectedUserIds.addAll(_users.map((u) => u.id));
+    notifyListeners();
+  }
+
+  void clearUserSelection() {
+    _selectedUserIds.clear();
+    notifyListeners();
+  }
+
+  bool isUserSelected(int userId) => _selectedUserIds.contains(userId);
+
+  void _setState(AdminState state) {
+    _state = state;
+    notifyListeners();
+  }
+}