158 lines
3.8 KiB
Dart
158 lines
3.8 KiB
Dart
import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import '../core/network/api_response.dart';
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import '../core/network/dio_client.dart';
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import '../core/storage/local_storage.dart';
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import '../data/models/user.dart';
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import '../data/services/user_service.dart';
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/// 认证状态管理
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class AuthProvider extends ChangeNotifier {
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final UserService _userService;
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User? _user;
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bool _isLoggedIn = false;
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bool _isLoading = false;
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String? _token;
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AuthProvider(this._userService) {
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_initAuth();
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}
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// Getters
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User? get user => _user;
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bool get isLoggedIn => _isLoggedIn;
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bool get isLoading => _isLoading;
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String? get token => _token;
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/// 初始化认证状态
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Future<void> _initAuth() async {
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_token = LocalStorage.getToken();
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_isLoggedIn = _token?.isNotEmpty == true;
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if (_isLoggedIn) {
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_user = _loadUserFromStorage();
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}
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notifyListeners();
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}
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User? _loadUserFromStorage() {
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final userJson = LocalStorage.getUserInfo();
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return userJson != null ? User.fromJson(userJson) : null;
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}
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/// 登录
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Future<ApiResponse<User>> login(String username, String password) {
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return _authenticate(() => _userService.login(username, password));
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}
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/// 注册
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Future<ApiResponse<User>> register(String username, String password) {
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return _authenticate(() => _userService.register(username, password));
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}
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/// 统一认证处理
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Future<ApiResponse<User>> _authenticate(
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Future<ApiResponse<Map<String, dynamic>>> Function() action,
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) async {
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_setLoading(true);
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try {
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final response = await action();
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if (!response.success || response.data == null) {
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return ApiResponse.fail(response.message ?? '操作失败');
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}
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return _handleAuthSuccess(response.data!, response.message);
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} catch (e) {
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return ApiResponse.fail('操作失败: $e');
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} finally {
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_setLoading(false);
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}
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}
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/// 处理认证成功
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ApiResponse<User> _handleAuthSuccess(
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Map<String, dynamic> data,
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String? message,
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) {
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_token = data['token'] as String?;
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final userJson = data['user'] as Map<String, dynamic>? ??
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data['userInfo'] as Map<String, dynamic>?;
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if (_token != null) {
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LocalStorage.saveToken(_token!);
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}
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if (userJson != null) {
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LocalStorage.saveUserInfo(userJson);
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_user = User.fromJson(userJson);
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}
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_isLoggedIn = true;
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notifyListeners(); // 通知 UI 更新，触发页面跳转
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return _user != null
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? ApiResponse.success(_user!, message)
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: ApiResponse.fail('用户信息获取失败');
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}
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/// 退出登录
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Future<void> logout() async {
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_setLoading(true);
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try {
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await _userService.logout();
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} catch (_) {
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// 忽略退出登录的接口错误
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}
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_clearAuthState();
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_setLoading(false);
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}
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void _clearAuthState() {
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LocalStorage.clearUserData();
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_user = null;
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_token = null;
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_isLoggedIn = false;
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}
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/// 刷新用户信息
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Future<void> refreshUserInfo() async {
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if (!_isLoggedIn) return;
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try {
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final response = await _userService.getUserInfo();
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if (response.success && response.data != null) {
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_user = response.data;
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await LocalStorage.saveUserInfo(_user!.toJson());
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notifyListeners();
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}
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} catch (_) {
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// 忽略错误
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}
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}
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/// 提交KYC实名认证（真实图片上传）
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Future<ApiResponse<void>> submitKyc(
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Uint8List frontBytes, Uint8List backBytes) async {
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try {
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final response =
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await _userService.uploadKyc(frontBytes, backBytes);
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if (response.success) {
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await refreshUserInfo();
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}
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return response;
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} catch (e) {
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return ApiResponse.fail('KYC提交失败: $e');
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}
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}
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void _setLoading(bool value) {
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_isLoading = value;
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notifyListeners();
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}
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}
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