Files
Client/lib/session/session_lifecycle.dart
T

34 lines
1.3 KiB
Dart

import 'dart:developer';
import 'package:flutter/foundation.dart';
import '../api/marianumconnect/queries/auth_logout/auth_logout.dart';
import '../auth_link/guardian_link_listener.dart';
import '../push/push_registration.dart';
import 'session_manager.dart';
abstract final class SessionLifecycle {
/// Why the last sign-out happened, when the user did not ask for it. The
/// login screen shows it once and clears it — without it an expired session
/// just drops the user on the login screen with no explanation.
static final ValueNotifier<String?> signOutNotice = ValueNotifier(null);
/// Ordered teardown: unregister push and revoke the Nextcloud app passwords
/// (while those credentials still exist), then revoke the MC bearer token,
/// finally wipe the local session. Each step is best-effort so an offline
/// sign-out still reaches a clean local state.
static Future<void> signOut({String? notice}) async {
signOutNotice.value = notice;
try {
await PushRegistration().logoutCleanup();
} on Object catch (e) {
log('Sign-out: push cleanup failed: $e');
}
await AuthLogout().run();
await SessionManager().signOut();
// A login link that arrived while signed in must not be replayed on the
// login screen that follows.
GuardianLinkListener.clear();
}
}