Files
Client/lib/push/direct_push_registration.dart
T

72 lines
2.5 KiB
Dart

import 'dart:developer';
import 'package:firebase_messaging/firebase_messaging.dart';
import '../api/marianumconnect/queries/push_device_register/push_device_register.dart';
import '../api/marianumconnect/queries/push_device_unregister/push_device_unregister.dart';
import '../utils/random_id.dart';
import 'push_device_info.dart';
import 'push_secure_storage.dart';
/// Push registration for accounts without Nextcloud (guardians): the device
/// registers straight with MarianumConnect and only receives its direct
/// pushes (newsletter, widget refresh, later guardian messages). Nextcloud
/// normally supplies the device identifier; here a random one is kept per
/// install.
class DirectPushRegistration {
static const String registrationType = 'direct';
static const _deviceIdentifierKey = 'push_direct_device_identifier';
final FlutterSecureStorageLike _storage;
const DirectPushRegistration({
FlutterSecureStorageLike storage = const PushSecureStorage(),
}) : _storage = storage;
Future<bool> register() async {
try {
final (fcmToken, appVersion, identifier) = await (
FirebaseMessaging.instance.getToken(),
pushAppVersion(),
deviceIdentifier(),
).wait;
if (fcmToken == null || fcmToken.isEmpty) {
log('Push (direct): no FCM token, skipping registration');
return false;
}
await PushDeviceRegister().run(
deviceIdentifier: identifier,
pushToken: fcmToken,
platform: pushPlatform,
registrationType: registrationType,
appVersion: appVersion,
);
return true;
} on Object catch (e) {
log('Push (direct): registration failed: $e');
return false;
}
}
Future<void> unregister() async {
final identifier = await _storage.read(key: _deviceIdentifierKey);
if (identifier == null) return;
try {
await PushDeviceUnregister().run(deviceIdentifier: identifier);
} on Object catch (e) {
log('Push (direct): unregister failed: $e');
}
await _storage.delete(key: _deviceIdentifierKey);
}
/// Stable per install until [unregister], so re-registrations upsert the
/// same server row instead of piling up devices.
Future<String> deviceIdentifier() async {
final stored = await _storage.read(key: _deviceIdentifierKey);
if (stored != null && stored.isNotEmpty) return stored;
final fresh = randomHexId();
await _storage.write(key: _deviceIdentifierKey, value: fresh);
return fresh;
}
}