77 lines
2.1 KiB
Dart
77 lines
2.1 KiB
Dart
import 'package:get/get.dart';
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import 'package:get_storage/get_storage.dart';
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/// 定义登录渠道的枚举类型
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enum LoginChannel {
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station, // 站点
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driver, // 司机
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none, // 未登录或未知
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}
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class StorageService extends GetxService {
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late final GetStorage _box;
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// --- 定义存储时使用的键名 (Key) ---
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static const String _tokenKey = 'user_token';
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static const String _userIdKey = 'user_id';
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// 定义登录渠道的存储键名
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static const String _channelKey = 'login_channel';
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// 提供一个静态的 'to' 方法，方便全局访问
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static StorageService get to => Get.find();
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// Service 初始化
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Future<StorageService> init() async {
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_box = GetStorage();
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return this;
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}
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/// --- Getter 方法，用于读取状态 ---
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/// 判断是否已登录 (通过检查 token 是否存在且不为空)
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bool get isLoggedIn =>
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_box
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.read<String?>(_tokenKey)
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?.isNotEmpty ?? false;
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/// 获取 Token
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String? get token => _box.read<String?>(_tokenKey);
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/// 获取 UserId
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String? get userId => _box.read<String?>(_userIdKey);
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///获取当前登录渠道
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/// 从存储中读取字符串，并转换为枚举类型
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LoginChannel get loginChannel {
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final channelString = _box.read<String?>(_channelKey);
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if (channelString == 'station') {
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return LoginChannel.station;
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} else if (channelString == 'driver') {
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return LoginChannel.driver;
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}
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return LoginChannel.none;
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}
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/// --- 操作方法 ---
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/// 保存用户信息
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/// @param channel - 登录渠道，station 或 driver
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Future<void> saveLoginInfo({
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required String token,
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required String userId,
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required String channel, // 接收一个字符串类型的渠道
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}) async {
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await _box.write(_tokenKey, token);
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await _box.write(_userIdKey, userId);
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// 将渠道字符串存入本地
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await _box.write(_channelKey, channel);
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}
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///删除用户信息，增加删除渠道信息
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Future<void> clearLoginInfo() async {
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await _box.remove(_tokenKey);
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await _box.remove(_userIdKey);
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// 退出登录时，一并清除渠道信息
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await _box.remove(_channelKey);
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}
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}
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