SimpleCloudNotifier/flutter/lib/state/user_account.dart

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import 'package:flutter/foundation.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:simplecloudnotifier/api/api_client.dart';
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import 'package:simplecloudnotifier/models/client.dart';
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import 'package:simplecloudnotifier/models/key_token_auth.dart';
import 'package:simplecloudnotifier/models/user.dart';
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import 'package:simplecloudnotifier/state/globals.dart';
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class UserAccount extends ChangeNotifier {
User? _user;
User? get user => _user;
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Client? _client;
Client? get client => _client;
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KeyTokenAuth? _auth;
KeyTokenAuth? get auth => _auth;
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static UserAccount? _singleton = UserAccount._internal();
factory UserAccount() {
return _singleton ?? (_singleton = UserAccount._internal());
}
UserAccount._internal() {
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load();
}
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void setToken(KeyTokenAuth auth) {
_auth = auth;
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_user = null;
notifyListeners();
}
void clearToken() {
_auth = null;
_user = null;
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notifyListeners();
}
void setUser(User user) {
_user = user;
notifyListeners();
}
void clearUser() {
_user = null;
notifyListeners();
}
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void setClient(Client client) {
_client = client;
notifyListeners();
}
void clearClient() {
_client = null;
notifyListeners();
}
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void load() {
final uid = Globals().sharedPrefs.getString('auth.userid');
final tok = Globals().sharedPrefs.getString('auth.token');
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if (uid != null && tok != null) {
setToken(KeyTokenAuth(userId: uid, token: tok));
} else {
clearToken();
}
}
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Future<void> save() async {
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final prefs = await SharedPreferences.getInstance();
if (_auth == null) {
await prefs.remove('auth.userid');
await prefs.remove('auth.token');
} else {
await prefs.setString('auth.userid', _auth!.userId);
await prefs.setString('auth.token', _auth!.token);
}
}
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Future<User> loadUser(bool force) async {
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if (!force && _user != null) {
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return _user!;
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}
if (_auth == null) {
throw Exception('Not authenticated');
}
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final user = await APIClient.getUser(_auth!, _auth!.userId);
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setUser(user);
await save();
return user;
}
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}