Initial project import

2026-07-24 23:11:20 +08:00
commit 6396eabb87
372 changed files with 49682 additions and 0 deletions
@@ -0,0 +1,205 @@
+import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:miaoji_zhang/shared/services/local_database.dart';
+
+class OnlineFeatureRequiredException implements Exception {
+  final String message;
+  const OnlineFeatureRequiredException([this.message = '此功能需要登录并连接网络后使用']);
+
+  @override
+  String toString() => message;
+}
+
+class SessionStore extends ChangeNotifier {
+  SessionStore._();
+
+  static final instance = SessionStore._();
+
+  SharedPreferences? _preferences;
+  String _mode = 'none';
+  int? _userId;
+  String? _username;
+  String? _nickname;
+  String _appMode = 'normal';
+  bool _onboardingDone = true;
+  bool _cloudSyncEnabled = true;
+  bool _needsReauth = false;
+  bool _aiEnabled = false;
+
+  bool get isGuest => _mode == 'guest';
+  bool get isAccount => _mode == 'account' && _userId != null;
+  bool get hasSession => isGuest || isAccount;
+  bool get cloudSyncEnabled => isAccount && _cloudSyncEnabled;
+  bool get needsReauth => _needsReauth;
+  bool get aiEnabled => isAccount && _aiEnabled;
+  bool get shouldUseLocalOnly => isGuest || !cloudSyncEnabled || needsReauth;
+  int? get userId => _userId;
+  String? get username => _username;
+  String? get nickname => _nickname;
+  String get appMode => _appMode;
+  bool get onboardingDone => _onboardingDone;
+  String get namespace => isGuest ? 'guest' : 'user_${_userId ?? 'none'}';
+
+  Future<void> initialize() async {
+    _preferences ??= await SharedPreferences.getInstance();
+    final preferences = _preferences!;
+    _mode = preferences.getString('session_mode') ?? 'none';
+    _userId = preferences.getInt('session_user_id');
+    _username = preferences.getString('session_username');
+    _nickname = preferences.getString('session_nickname');
+    _appMode = preferences.getString('session_app_mode') ?? 'normal';
+    _onboardingDone = preferences.getBool('session_onboarding_done') ?? true;
+    _cloudSyncEnabled = preferences.getBool('session_cloud_sync') ?? true;
+    _needsReauth = preferences.getBool('session_needs_reauth') ?? false;
+    _aiEnabled =
+        preferences.getBool('session_ai_enabled') ?? (_mode == 'account');
+    if (hasSession) {
+      await LocalDatabase.instance.openNamespace(namespace);
+    } else if (_mode != 'none') {
+      _mode = 'none';
+      await preferences.setString('session_mode', 'none');
+    }
+  }
+
+  Future<void> startGuest() async {
+    final preferences = _preferences ??= await SharedPreferences.getInstance();
+    _mode = 'guest';
+    _userId = null;
+    _username = '游客';
+    _nickname = '游客';
+    _appMode = 'normal';
+    _onboardingDone = true;
+    _cloudSyncEnabled = false;
+    _needsReauth = false;
+    _aiEnabled = false;
+    await preferences.setString('session_mode', _mode);
+    await preferences.remove('session_user_id');
+    await preferences.setString('session_username', _username!);
+    await preferences.setString('session_nickname', _nickname!);
+    await preferences.setString('session_app_mode', _appMode);
+    await preferences.setBool('session_onboarding_done', true);
+    await preferences.setBool('session_cloud_sync', false);
+    await preferences.setBool('session_needs_reauth', false);
+    await LocalDatabase.instance.openNamespace(namespace);
+    notifyListeners();
+  }
+
+  Future<void> activateAccount({
+    required int userId,
+    required String username,
+    String? nickname,
+    required String appMode,
+    required bool onboardingDone,
+    required bool aiEnabled,
+  }) async {
+    final preferences = _preferences ??= await SharedPreferences.getInstance();
+    _mode = 'account';
+    _userId = userId;
+    _username = username;
+    _nickname = nickname;
+    _appMode = appMode;
+    _onboardingDone = onboardingDone;
+    _aiEnabled = aiEnabled;
+    _cloudSyncEnabled = preferences.getBool('cloud_sync_user_$userId') ?? true;
+    _needsReauth = false;
+    await preferences.setString('session_mode', _mode);
+    await preferences.setInt('session_user_id', userId);
+    await preferences.setString('session_username', username);
+    if (nickname == null) {
+      await preferences.remove('session_nickname');
+    } else {
+      await preferences.setString('session_nickname', nickname);
+    }
+    await preferences.setString('session_app_mode', appMode);
+    await preferences.setBool('session_onboarding_done', onboardingDone);
+    await preferences.setBool('session_ai_enabled', aiEnabled);
+    await preferences.setBool('session_cloud_sync', _cloudSyncEnabled);
+    await preferences.setBool('session_needs_reauth', false);
+    await LocalDatabase.instance.openNamespace(namespace);
+    notifyListeners();
+  }
+
+  Future<void> updateNickname(String? nickname) async {
+    _nickname = nickname;
+    notifyListeners();
+    final preferences = _preferences ??= await SharedPreferences.getInstance();
+    if (nickname == null) {
+      await preferences.remove('session_nickname');
+    } else {
+      await preferences.setString('session_nickname', nickname);
+    }
+  }
+
+  Future<void> updateCachedProfile({
+    required String appMode,
+    required bool onboardingDone,
+    String? nickname,
+    bool? aiEnabled,
+  }) async {
+    _appMode = appMode;
+    _onboardingDone = onboardingDone;
+    _nickname = nickname ?? _nickname;
+    _aiEnabled = aiEnabled ?? _aiEnabled;
+    final preferences = _preferences ??= await SharedPreferences.getInstance();
+    await preferences.setString('session_app_mode', _appMode);
+    await preferences.setBool('session_onboarding_done', _onboardingDone);
+    await preferences.setBool('session_ai_enabled', _aiEnabled);
+    if (_nickname != null) {
+      await preferences.setString('session_nickname', _nickname!);
+    }
+    notifyListeners();
+  }
+
+  Future<void> setAiEnabled(bool enabled) async {
+    if (_aiEnabled == enabled) return;
+    _aiEnabled = enabled;
+    if (!enabled) _appMode = 'normal';
+    final preferences = _preferences ??= await SharedPreferences.getInstance();
+    await preferences.setBool('session_ai_enabled', enabled);
+    if (!enabled) await preferences.setString('session_app_mode', 'normal');
+    notifyListeners();
+  }
+
+  Future<void> setCloudSyncEnabled(bool enabled) async {
+    if (!isAccount) return;
+    _cloudSyncEnabled = enabled;
+    final preferences = _preferences ??= await SharedPreferences.getInstance();
+    await preferences.setBool('session_cloud_sync', enabled);
+    await preferences.setBool('cloud_sync_user_$_userId', enabled);
+    notifyListeners();
+  }
+
+  Future<void> markNeedsReauth() async {
+    if (!isAccount || _needsReauth) return;
+    _needsReauth = true;
+    final preferences = _preferences ??= await SharedPreferences.getInstance();
+    await preferences.setBool('session_needs_reauth', true);
+    notifyListeners();
+  }
+
+  Future<void> clearActiveSession() async {
+    final preferences = _preferences ??= await SharedPreferences.getInstance();
+    _mode = 'none';
+    _userId = null;
+    _username = null;
+    _nickname = null;
+    _appMode = 'normal';
+    _onboardingDone = true;
+    _cloudSyncEnabled = true;
+    _needsReauth = false;
+    _aiEnabled = false;
+    await preferences.setString('session_mode', 'none');
+    await preferences.remove('session_user_id');
+    await preferences.remove('session_username');
+    await preferences.remove('session_nickname');
+    await preferences.remove('session_needs_reauth');
+    LocalDatabase.instance.close();
+    notifyListeners();
+  }
+
+  void requireOnline([String? message]) {
+    if (shouldUseLocalOnly) {
+      throw OnlineFeatureRequiredException(message ?? '此功能需要登录并连接网络后使用');
+    }
+  }
+}