Experimental support for background notifications
This commit is contained in:
Christian Pauly
@ -14,6 +14,7 @@ import 'package:path_provider/path_provider.dart';
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import 'package:famedlysdk/famedlysdk.dart';
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import '../utils/event_extension.dart';
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import '../utils/room_extension.dart';
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import 'famedlysdk_store.dart';
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abstract class FirebaseController {
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static FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
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@ -40,7 +41,7 @@ abstract class FirebaseController {
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await client.setPushers(
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token,
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"http",
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"chat.fluffy.fluffychat",
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"chat.fluffy.fluffychat.data",
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clientName,
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client.deviceName,
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"en",
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@ -83,115 +84,181 @@ abstract class FirebaseController {
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onSelectNotification: goToRoom);
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_firebaseMessaging.configure(
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onMessage: (Map<String, dynamic> message) async {
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try {
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print(message);
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final data = message['data'] ?? message;
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final String roomId = data["room_id"];
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final String eventId = data["event_id"];
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final int unread = json.decode(data["counts"])["unread"];
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if ((roomId?.isEmpty ?? true) ||
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(eventId?.isEmpty ?? true) ||
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unread == 0) {
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await _flutterLocalNotificationsPlugin.cancelAll();
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return null;
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}
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if (Matrix.of(context).activeRoomId == roomId) return null;
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// Get the room
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Room room = client.getRoomById(roomId);
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if (room == null) {
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await client.onRoomUpdate.stream
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.where((u) => u.id == roomId)
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.first
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.timeout(Duration(seconds: 10));
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room = client.getRoomById(roomId);
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if (room == null) return null;
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}
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// Get the event
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Event event = await client.store.getEventById(eventId, room);
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if (event == null) {
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final EventUpdate eventUpdate = await client.onEvent.stream
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.where((u) => u.content["event_id"] == eventId)
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.first
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.timeout(Duration(seconds: 10));
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event = Event.fromJson(eventUpdate.content, room);
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if (room == null) return null;
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}
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// Count all unread events
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int unreadEvents = 0;
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client.rooms
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.forEach((Room room) => unreadEvents += room.notificationCount);
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// Calculate title
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final String title = unread > 1
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? I18n.of(context).unreadMessagesInChats(
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unreadEvents.toString(), unread.toString())
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: I18n.of(context).unreadMessages(unreadEvents.toString());
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// Calculate the body
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final String body = event.getLocalizedBody(context,
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withSenderNamePrefix: true, hideReply: true);
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// The person object for the android message style notification
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final person = Person(
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name: room.getLocalizedDisplayname(context),
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icon: room.avatar == null
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? null
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: await downloadAndSaveAvatar(
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room.avatar,
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client,
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width: 126,
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height: 126,
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),
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iconSource: IconSource.FilePath,
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);
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// Show notification
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var androidPlatformChannelSpecifics = AndroidNotificationDetails(
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'fluffychat_push',
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'FluffyChat push channel',
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'Push notifications for FluffyChat',
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style: AndroidNotificationStyle.Messaging,
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styleInformation: MessagingStyleInformation(
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person,
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conversationTitle: title,
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messages: [
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Message(
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body,
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event.time,
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person,
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)
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],
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),
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importance: Importance.Max,
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priority: Priority.High,
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ticker: I18n.of(context).newMessageInFluffyChat);
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var iOSPlatformChannelSpecifics = IOSNotificationDetails();
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var platformChannelSpecifics = NotificationDetails(
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androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
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await _flutterLocalNotificationsPlugin.show(
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0,
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room.getLocalizedDisplayname(context),
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body,
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platformChannelSpecifics,
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payload: roomId);
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} catch (exception) {
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debugPrint("[Push] Error while processing notification: " +
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exception.toString());
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}
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return null;
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},
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onMessage: _onMessage,
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onBackgroundMessage: _onMessage,
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onResume: goToRoom,
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// Currently fires unexpectetly... https://github.com/FirebaseExtended/flutterfire/issues/1060
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//onLaunch: goToRoom,
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onLaunch: goToRoom,
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);
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debugPrint("[Push] Firebase initialized");
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return;
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}
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static Future<dynamic> _onMessage(Map<String, dynamic> message) async {
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try {
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final data = message['data'] ?? message;
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final String roomId = data["room_id"];
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final String eventId = data["event_id"];
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final int unread = json.decode(data["counts"])["unread"];
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if ((roomId?.isEmpty ?? true) ||
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(eventId?.isEmpty ?? true) ||
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unread == 0) {
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await _flutterLocalNotificationsPlugin.cancelAll();
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return null;
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}
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if (context != null && Matrix.of(context).activeRoomId == roomId) {
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return null;
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}
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// Get the client
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print("Get client");
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Client client;
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if (context != null) {
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client = Matrix.of(context).client;
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} else {
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final platform = kIsWeb ? "Web" : Platform.operatingSystem;
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final clientName = "FluffyChat $platform";
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print("Clientname: $clientName");
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client = Client(clientName, debug: false);
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client.storeAPI = ExtendedStore(client);
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await client.onLoginStateChanged.stream
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.firstWhere((l) => l == LoginState.logged)
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.timeout(
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Duration(seconds: 2),
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);
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}
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// Get the room
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print("Get room");
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Room room = client.getRoomById(roomId);
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if (room == null) {
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await client.onRoomUpdate.stream
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.where((u) => u.id == roomId)
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.first
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.timeout(Duration(seconds: 10));
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room = client.getRoomById(roomId);
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if (room == null) return null;
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}
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// Get the event
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print("Get event");
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Event event = await client.store.getEventById(eventId, room);
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if (event == null) {
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final EventUpdate eventUpdate = await client.onEvent.stream
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.where((u) => u.content["event_id"] == eventId)
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.first
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.timeout(Duration(seconds: 10));
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event = Event.fromJson(eventUpdate.content, room);
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if (room == null) return null;
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}
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// Count all unread events
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int unreadEvents = 0;
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client.rooms
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.forEach((Room room) => unreadEvents += room.notificationCount);
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// Calculate title
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final String title = unread > 1
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? I18n.of(context)
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.unreadMessagesInChats(unreadEvents.toString(), unread.toString())
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: I18n.of(context).unreadMessages(unreadEvents.toString());
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// Calculate the body
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final String body = event.getLocalizedBody(context,
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withSenderNamePrefix: true, hideReply: true);
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// The person object for the android message style notification
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final person = Person(
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name: room.getLocalizedDisplayname(context),
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icon: room.avatar == null
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? null
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: await downloadAndSaveAvatar(
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room.avatar,
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client,
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width: 126,
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height: 126,
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),
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iconSource: IconSource.FilePath,
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);
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// Show notification
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var androidPlatformChannelSpecifics = AndroidNotificationDetails(
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'fluffychat_push',
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'FluffyChat push channel',
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'Push notifications for FluffyChat',
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style: AndroidNotificationStyle.Messaging,
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styleInformation: MessagingStyleInformation(
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person,
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conversationTitle: title,
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messages: [
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Message(
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body,
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event.time,
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person,
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)
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],
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),
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importance: Importance.Max,
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priority: Priority.High,
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ticker: I18n.of(context).newMessageInFluffyChat);
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var iOSPlatformChannelSpecifics = IOSNotificationDetails();
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var platformChannelSpecifics = NotificationDetails(
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androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
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await _flutterLocalNotificationsPlugin.show(0,
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room.getLocalizedDisplayname(context), body, platformChannelSpecifics,
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payload: roomId);
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} catch (exception) {
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debugPrint("[Push] Error while processing notification: " +
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exception.toString());
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}
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return null;
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}
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static Future<dynamic> _handleOnBackgroundMessage(
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Map<String, dynamic> message) async {
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try {
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FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
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FlutterLocalNotificationsPlugin();
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// Init notifications framework
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var initializationSettingsAndroid =
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AndroidInitializationSettings('notifications_icon');
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var initializationSettingsIOS = IOSInitializationSettings();
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var initializationSettings = InitializationSettings(
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initializationSettingsAndroid, initializationSettingsIOS);
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await flutterLocalNotificationsPlugin.initialize(initializationSettings);
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// Notification data and matrix data
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Map<dynamic, dynamic> data = message['data'] ?? message;
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String eventID = data["event_id"];
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String roomID = data["room_id"];
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final int unread = data.containsKey("counts")
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? json.decode(data["counts"])["unread"]
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: 1;
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await flutterLocalNotificationsPlugin.cancelAll();
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if (unread == 0 || roomID == null || eventID == null) {
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return;
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}
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// Display notification
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var androidPlatformChannelSpecifics = AndroidNotificationDetails(
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'fluffychat_push',
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'FluffyChat push channel',
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'Push notifications for FluffyChat',
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importance: Importance.Max,
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priority: Priority.High);
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var iOSPlatformChannelSpecifics = IOSNotificationDetails();
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var platformChannelSpecifics = NotificationDetails(
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androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
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final String title = "$unread ungelesene Unterhaltungen";
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await flutterLocalNotificationsPlugin.show(1, title,
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'App öffnen, um Nachricht zu entschlüsseln', platformChannelSpecifics,
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payload: roomID);
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} catch (exception) {
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debugPrint("[Push] Error while processing background notification: " +
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exception.toString());
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}
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return Future<void>.value();
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}
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static Future<String> downloadAndSaveAvatar(Uri content, Client client,
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{int width, int height}) async {
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final bool thumbnail = width == null && height == null ? false : true;
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