扫码结果处理

ln_jq_app/lib/storage_service.dart

@@ -1,5 +1,6 @@
 import 'package:get/get.dart';
 import 'package:get_storage/get_storage.dart';
+import 'package:ln_jq_app/common/model/vehicle_info.dart';
 
 /// 定义登录渠道的枚举类型
 enum LoginChannel {
@@ -15,10 +16,11 @@ class StorageService extends GetxService {
   static const String _tokenKey = 'user_token';
   static const String _userIdKey = 'user_id';
   static const String _channelKey = 'login_channel';
-  // 为新字段增加键名
   static const String _nameKey = 'user_name';
   static const String _phoneKey = 'user_phone';
   static const String _idCardKey = 'user_id_card';
+  // 车辆信息的键名
+  static const String _vehicleInfoKey = 'vehicle_info';
 
   // 提供一个静态的 'to' 方法，方便全局访问
   static StorageService get to => Get.find();
@@ -31,30 +33,27 @@ class StorageService extends GetxService {
 
   /// --- Getter 方法，用于读取状态 ---
 
-  /// 判断是否已登录 (通过检查 token 是否存在且不为空)
-  bool get isLoggedIn =>
-      _box
-          .read<String?>(_tokenKey)
-          ?.isNotEmpty ?? false;
-
-  /// 获取 Token
+  bool get isLoggedIn => _box.read<String?>(_tokenKey)?.isNotEmpty ?? false;
   String? get token => _box.read<String?>(_tokenKey);
-
-  /// 获取 UserId
   String? get userId => _box.read<String?>(_userIdKey);
-
-  /// 获取 Name
   String? get name => _box.read<String?>(_nameKey);
-
-  /// 获取 Phone
   String? get phone => _box.read<String?>(_phoneKey);
-
-  /// 获取 ID Card
   String? get idCard => _box.read<String?>(_idCardKey);
 
+  /// 判断是否已有车辆信息缓存
+  bool get hasVehicleInfo => _box.hasData(_vehicleInfoKey);
+
+  /// 获取已缓存的车辆信息
+  VehicleInfo? get vehicleInfo {
+    final vehicleJson = _box.read<String?>(_vehicleInfoKey);
+    if (vehicleJson != null) {
+      // 使用我们之前创建的辅助函数来解析
+      return vehicleInfoFromJson(vehicleJson);
+    }
+    return null;
+  }
 
   ///获取当前登录渠道
-  /// 从存储中读取字符串，并转换为枚举类型
   LoginChannel get loginChannel {
     final channelString = _box.read<String?>(_channelKey);
     if (channelString == 'station') {
@@ -66,12 +65,10 @@ class StorageService extends GetxService {
   }
 
   /// --- 操作方法 ---
-  /// 保存用户信息
-  /// @param channel - 登录渠道，station 或 driver
   Future<void> saveLoginInfo({
     required String token,
     required String userId,
-    required String channel, // 接收一个字符串类型的渠道
+    required String channel,
     String? name,
     String? phone,
     String? idCard,
@@ -79,20 +76,31 @@ class StorageService extends GetxService {
     await _box.write(_tokenKey, token);
     await _box.write(_userIdKey, userId);
     await _box.write(_channelKey, channel);
-    // 保存新增的字段，如果为 null, GetStorage 会移除该键
     await _box.write(_nameKey, name);
     await _box.write(_phoneKey, phone);
     await _box.write(_idCardKey, idCard);
   }
 
-  ///删除用户信息，增加删除渠道信息
+  /// 保存车辆信息
+  Future<void> saveVehicleInfo(VehicleInfo data) async {
+    // 使用辅助函数将对象转换为 JSON 字符串并保存
+    await _box.write(_vehicleInfoKey, vehicleInfoToJson(data));
+  }
+
+  /// 清除车辆信息
+  Future<void> clearVehicleInfo() async {
+    await _box.remove(_vehicleInfoKey);
+  }
+
+  /// 删除用户信息 (登出)
   Future<void> clearLoginInfo() async {
     await _box.remove(_tokenKey);
     await _box.remove(_userIdKey);
     await _box.remove(_channelKey);
-    // 退出时一并清除新增的字段
     await _box.remove(_nameKey);
     await _box.remove(_phoneKey);
     await _box.remove(_idCardKey);
+    // 登出时一并清除车辆信息
+    await clearVehicleInfo();
   }
 }