first commit

2026-09-21 17:37:53 +08:00
commit 67d4dd5b7c
141 changed files with 8558 additions and 0 deletions
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+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../core/storage/local_storage.dart';
+import '../models/auth_response.dart';
+import '../utils/jwt_util.dart';
+
+class AuthState {
+  final String? token;
+  final UserInfo? user;
+
+  const AuthState({this.token, this.user});
+
+  bool get isLoggedIn => token != null && token!.isNotEmpty;
+
+  const AuthState.initial() : this._();
+
+  const AuthState._({this.token, this.user});
+}
+
+class AuthNotifier extends Notifier<AuthState> {
+  @override
+  AuthState build() => const AuthState.initial();
+
+  /// App 启动时从本地存储恢复登录态。
+  /// 若 token 已在本地可判定过期，直接清理，避免带着废 token 进入主界面。
+  Future<void> load() async {
+    final token = LocalStorage.instance.getToken();
+    if (token == null || token.isEmpty) return;
+
+    if (isJwtExpired(token)) {
+      await LocalStorage.instance.clearAuth();
+      return;
+    }
+
+    final userInfo = LocalStorage.instance.getUserInfo();
+    state = AuthState(token: token, user: userInfo == null ? null : UserInfo.fromJson(userInfo));
+  }
+
+  /// 登录/注册成功后调用：持久化并更新状态
+  Future<void> loginSuccess(AuthResponse response) async {
+    final user = UserInfo(
+      username: response.username ?? '',
+      nickname: response.nickname ?? response.username ?? '',
+    );
+    await LocalStorage.instance.setAuth(token: response.token, userInfo: user.toJson());
+    state = AuthState(token: response.token, user: user);
+  }
+
+  Future<void> logout() async {
+    await LocalStorage.instance.clearAuth();
+    state = const AuthState.initial();
+  }
+}
+
+final authProvider = NotifierProvider<AuthNotifier, AuthState>(AuthNotifier.new);