138 lines
3.6 KiB
Dart
138 lines
3.6 KiB
Dart
import 'dart:async';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../../core/storage/token_storage.dart';
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import '../data/auth_providers.dart';
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import '../domain/auth_models.dart';
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import '../domain/auth_state.dart';
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/// 认证控制器。
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///
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/// 承载登录 / 注册 / 发送验证码 / 倒计时等全部业务逻辑，UI 仅触发动作并消费状态。
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/// 使用 keepAlive，避免登录流程中页面切换导致状态丢失。
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class AuthController extends Notifier<AuthState> {
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AuthController();
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Timer? _countdownTimer;
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@override
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AuthState build() {
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ref.keepAlive();
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ref.onDispose(() => _countdownTimer?.cancel());
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return const AuthState();
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}
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String get _deviceId => TokenStorage.deviceId;
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/// 密码登录。
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Future<bool> loginByPassword({
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required String phone,
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required String password,
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}) async {
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return _run(() => ref.read(authRepositoryProvider).loginByPassword(
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phone: phone,
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password: password,
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deviceId: _deviceId,
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));
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}
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/// 短信登录。
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Future<bool> loginBySms({
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required String phone,
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required String code,
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}) async {
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return _run(() => ref.read(authRepositoryProvider).loginBySms(
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phone: phone,
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code: code,
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deviceId: _deviceId,
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));
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}
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/// 注册。
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Future<bool> register({
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required String phone,
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required String code,
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required String password,
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}) async {
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return _run(() => ref.read(authRepositoryProvider).register(
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phone: phone,
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code: code,
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password: password,
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deviceId: _deviceId,
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));
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}
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/// 发送短信验证码并启动 60s 倒计时。
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Future<void> sendSmsCode({
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required String phone,
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required SmsScene scene,
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}) async {
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if (state.isSendingCode || state.countdownSeconds > 0) return;
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state = state.copyWith(isSendingCode: true, clearAlert: true);
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try {
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await ref.read(authRepositoryProvider).sendSmsCode(
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phone: phone,
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scene: scene,
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);
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_startCountdown();
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} catch (e) {
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state = state.copyWith(
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isSendingCode: false,
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alert: _messageOf(e),
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);
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}
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}
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/// 消费一次性提示。
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void consumeAlert() {
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if (state.alert != null) {
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state = state.copyWith(clearAlert: true);
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}
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}
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/// 登出。
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void logout() {
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_countdownTimer?.cancel();
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TokenStorage.clear();
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state = const AuthState();
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}
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Future<bool> _run(Future<LoginResult> Function() action) async {
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state = state.copyWith(isLoading: true, clearAlert: true);
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try {
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await action();
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state = state.copyWith(isLoading: false);
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return true;
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} catch (e) {
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state = state.copyWith(isLoading: false, alert: _messageOf(e));
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return false;
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}
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}
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void _startCountdown() {
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state = state.copyWith(isSendingCode: false, countdownSeconds: 60);
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_countdownTimer?.cancel();
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_countdownTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
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final left = state.countdownSeconds - 1;
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if (left <= 0) {
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timer.cancel();
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state = state.copyWith(countdownSeconds: 0);
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} else {
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state = state.copyWith(countdownSeconds: left);
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}
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});
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}
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String _messageOf(Object e) {
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if (e is Exception) {
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return e.toString().replaceFirst('Exception: ', '');
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}
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return '操作失败，请稍后重试';
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}
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}
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/// 认证控制器 Provider（会话级 keepAlive 在 build 内通过 ref.keepAlive 实现）。
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final authControllerProvider =
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NotifierProvider<AuthController, AuthState>(AuthController.new);
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