56 lines
1.9 KiB
Dart
56 lines
1.9 KiB
Dart
import 'dart:developer';
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import 'package:flutter/foundation.dart';
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import '../../api/errors/auth_exception.dart';
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import '../../api/errors/error_mapper.dart';
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import '../../api/marianumcloud/talk/room/get_room.dart';
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import '../../api/marianumcloud/talk/room/get_room_params.dart';
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import '../../model/account_data.dart';
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/// Owns the login flow's transient state (loading, last error) so it can be
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/// driven from a thin Stateful view and unit-tested without a widget tree.
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class LoginController extends ChangeNotifier {
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bool _loading = false;
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String? _errorMessage;
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String? _errorDetails;
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bool get loading => _loading;
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String? get errorMessage => _errorMessage;
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String? get errorDetails => _errorDetails;
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/// Returns `true` when the credential probe succeeded. The view should
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/// then transition the AccountBloc to `loggedIn`.
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Future<bool> submit(String username, String password) async {
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if (_loading) return false;
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_loading = true;
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_errorMessage = null;
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_errorDetails = null;
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notifyListeners();
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final user = username.trim().toLowerCase();
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try {
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await AccountData().removeData();
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await AccountData().setData(user, password);
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await GetRoom(GetRoomParams(includeStatus: false)).run();
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_loading = false;
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notifyListeners();
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return true;
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} catch (e) {
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log(e.toString());
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await AccountData().removeData();
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// 401 from the probe means the credentials were wrong; everything else
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// (no network, server down, TLS errors, …) gets the generic mapped
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// message so the user knows it isn't their typo.
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final isWrongCredentials = e is AuthException && e.statusCode == 401;
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_errorMessage = isWrongCredentials
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? 'Benutzername oder Passwort falsch.'
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: errorToUserMessage(e);
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_errorDetails = errorToTechnicalDetails(e);
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_loading = false;
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notifyListeners();
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return false;
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}
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}
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}
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