user_util.dart
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import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:wow_english/common/core/sp_const.dart';
import 'package:wow_english/models/user_entity.dart';
import 'package:wow_english/route/route.dart';
import 'package:wow_english/utils/sp_util.dart';
class UserUtil {
static UserEntity? _userEntity;
static void saveUser(UserEntity? user) {
if (user == null) {
_clearUserData();
return;
}
_userEntity = user;
_saveUserJson(user.toString());
}
static UserEntity? getUser() {
if (_userEntity == null) {
String? userJson = _getUserJson();
if (userJson != null && userJson.isNotEmpty) {
try {
var userEntity = UserEntity.fromJson(json.decode(userJson));
// todo 并且在有效期，计算一下, "expireTime": 2592000 倒计时需要手动转换，后面再优化
_userEntity = userEntity;
} catch (e) {
if (kDebugMode) {
print(e);
}
_clearUserData();
}
}
}
return _userEntity;
}
static void _saveUserJson(String userJson) {
SpUtil.getInstance().setData(SpConst.prefsKeyUserInfo, userJson);
}
static String? _getUserJson() {
return SpUtil.getInstance().get<String>(SpConst.prefsKeyUserInfo);
}
static void _clearUserData() {
_userEntity = null;
SpUtil.getInstance().remove(SpConst.prefsKeyUserInfo);
}
static void logout([bool showPasswordLoginPage = false]) {
_clearUserData();
// 判断下不在Splash页就跳转
/*var currentPageName = ModalRoute.of(AppRouter.context)?.settings.name;
Log.d('当前页面：$currentPageName');
if (currentPageName != AppRouteName.splash) {
Navigator.of(AppRouter.context).pushNamedAndRemoveUntil(AppRouteName.login, (route) => false);
}*/
pushNamedAndRemoveUntil(AppRouteName.login, (route) => false, arguments: {'showPasswordPage': showPasswordLoginPage});
}
// 是否有权限
static bool hasPermission() {
return _userEntity?.valid ?? false;
}
// 是否登录（token是否有效）
static bool isLogined() {
return getUserToken().isNotEmpty;
}
static String getUserToken() {
return _userEntity?.token ?? '';
}
// （vip）剩余有效期
static int getRemainingValidity() {
return _userEntity?.validDay ?? 0;
}
}