53 lines
1.9 KiB
Dart
53 lines
1.9 KiB
Dart
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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/// 登录会话持久化：token + 手机号存 secure storage。
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/// 启动时读取判断是否已登录；登出/401 时清除回登录页。
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/// 另存「已确认更新版本」：用户点过「立即更新」后记录服务器版本号，
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/// 与 APK 内 versionName 取较大者参与更新判断（APK 版本号不递增也不会反复提示）。
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class SessionStore {
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static const _storage = FlutterSecureStorage();
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static const _tokenKey = 'auth_token';
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static const _phoneKey = 'auth_phone';
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static const _acceptedUpdateKey = 'accepted_update_version';
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static String? _cachedToken;
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static String? _cachedPhone;
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static String? _cachedAcceptedUpdate;
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Future<String?> readToken() async {
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if (_cachedToken != null) return _cachedToken;
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return _cachedToken = await _storage.read(key: _tokenKey);
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}
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Future<String?> readPhone() async {
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if (_cachedPhone != null) return _cachedPhone;
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return _cachedPhone = await _storage.read(key: _phoneKey);
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}
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/// 用户点过「立即更新」的服务器版本号（空串 = 从未接受过更新提示）
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Future<String> readAcceptedUpdateVersion() async {
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if (_cachedAcceptedUpdate != null) return _cachedAcceptedUpdate!;
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return _cachedAcceptedUpdate =
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(await _storage.read(key: _acceptedUpdateKey)) ?? '';
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}
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Future<void> saveAcceptedUpdateVersion(String version) async {
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_cachedAcceptedUpdate = version;
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await _storage.write(key: _acceptedUpdateKey, value: version);
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}
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Future<void> save(String phone, String token) async {
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_cachedPhone = phone;
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_cachedToken = token;
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await _storage.write(key: _phoneKey, value: phone);
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await _storage.write(key: _tokenKey, value: token);
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}
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Future<void> clear() async {
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_cachedPhone = null;
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_cachedToken = null;
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await _storage.delete(key: _phoneKey);
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await _storage.delete(key: _tokenKey);
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}
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}
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