323 lines
11 KiB
Dart
323 lines
11 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:firebase_messaging/firebase_messaging.dart';
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import 'package:fluffychat/components/matrix.dart';
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import 'package:fluffychat/l10n/l10n.dart';
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import 'package:fluffychat/utils/app_route.dart';
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import 'package:fluffychat/views/chat.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:bot_toast/bot_toast.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:famedlysdk/famedlysdk.dart';
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import 'famedlysdk_store.dart';
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abstract class FirebaseController {
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static final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
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static final FlutterLocalNotificationsPlugin
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_flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
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static BuildContext context;
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static const String CHANNEL_ID = 'fluffychat_push';
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static const String CHANNEL_NAME = 'FluffyChat push channel';
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static const String CHANNEL_DESCRIPTION = 'Push notifications for FluffyChat';
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static const String APP_ID = 'chat.fluffy.fluffychat';
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static const String GATEWAY_URL = 'https://janian.de:7023/';
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static const String PUSHER_FORMAT = 'event_id_only';
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static Future<void> setupFirebase(Client client, String clientName) async {
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if (Platform.isIOS) iOS_Permission();
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String token;
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try {
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token = await _firebaseMessaging.getToken();
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} catch (_) {
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token = null;
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}
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if (token?.isEmpty ?? true) {
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BotToast.showText(
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text: L10n.of(context).noGoogleServicesWarning,
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duration: Duration(seconds: 15),
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);
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return;
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}
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final pushers = await client.getPushers();
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final currentPushers = pushers.where((pusher) => pusher.pushkey == token);
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if (currentPushers.length == 1 &&
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currentPushers.first.kind == 'http' &&
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currentPushers.first.appId == APP_ID &&
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currentPushers.first.appDisplayName == clientName &&
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currentPushers.first.deviceDisplayName == client.deviceName &&
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currentPushers.first.lang == 'en' &&
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currentPushers.first.data.url == GATEWAY_URL &&
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currentPushers.first.data.format == PUSHER_FORMAT) {
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debugPrint('[Push] Pusher already set');
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} else {
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if (currentPushers.isNotEmpty) {
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for (final currentPusher in currentPushers) {
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await client.setPushers(
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token,
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'null',
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currentPusher.appId,
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currentPusher.appDisplayName,
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currentPusher.deviceDisplayName,
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currentPusher.lang,
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currentPusher.data.url,
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append: true,
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);
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debugPrint('[Push] Remove legacy pusher for this device');
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}
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}
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await client.setPushers(
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token,
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'http',
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APP_ID,
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clientName,
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client.deviceName,
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'en',
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GATEWAY_URL,
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append: false,
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format: PUSHER_FORMAT,
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);
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}
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Function goToRoom = (dynamic message) async {
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try {
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String roomId;
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if (message is String) {
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roomId = message;
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} else if (message is Map) {
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roomId = (message['data'] ?? message)['room_id'];
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}
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if (roomId?.isEmpty ?? true) throw ('Bad roomId');
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await Navigator.of(context).pushAndRemoveUntil(
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AppRoute.defaultRoute(
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context,
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ChatView(roomId),
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),
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(r) => r.isFirst);
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} catch (_) {
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BotToast.showText(text: 'Failed to open chat...');
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debugPrint(_);
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}
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};
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// initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
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var initializationSettingsAndroid =
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AndroidInitializationSettings('notifications_icon');
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var initializationSettingsIOS =
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IOSInitializationSettings(onDidReceiveLocalNotification: (i, a, b, c) {
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return null;
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});
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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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onSelectNotification: goToRoom);
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_firebaseMessaging.configure(
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onMessage: _onMessage,
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onBackgroundMessage: _onMessage,
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onResume: 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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final i18n =
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context == null ? L10n(Platform.localeName) : L10n.of(context);
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// Get the 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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client = Client(clientName, debug: false);
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final store = Store();
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client.database = await getDatabase(client, store);
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client.connect();
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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: 5),
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);
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}
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// Get the room
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var 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: 5));
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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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var event = await client.database.getEventById(client.id, eventId, room);
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if (event == null) {
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final 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: 5));
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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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var 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 title = unread > 1
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? i18n.unreadMessagesInChats(
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unreadEvents.toString(), unread.toString())
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: i18n.unreadMessages(unreadEvents.toString());
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// Calculate the body
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final body = event.getLocalizedBody(
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i18n,
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withSenderNamePrefix: true,
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hideReply: true,
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);
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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(i18n),
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icon: room.avatar == null
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? null
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: BitmapFilePathAndroidIcon(
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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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),
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);
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// Show notification
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var androidPlatformChannelSpecifics = AndroidNotificationDetails(
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CHANNEL_ID, CHANNEL_NAME, CHANNEL_DESCRIPTION,
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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.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, room.getLocalizedDisplayname(i18n), 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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await _showDefaultNotification(message);
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}
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return null;
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}
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static Future<dynamic> _showDefaultNotification(
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Map<String, dynamic> message) async {
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try {
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var flutterLocalNotificationsPlugin = 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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final l10n = L10n(Platform.localeName);
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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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CHANNEL_ID, CHANNEL_NAME, CHANNEL_DESCRIPTION,
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importance: Importance.Max, 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 title = l10n.unreadChats(unread.toString());
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await flutterLocalNotificationsPlugin.show(
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1, title, l10n.openAppToReadMessages, 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 thumbnail = width == null && height == null ? false : true;
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final tempDirectory = (await getTemporaryDirectory()).path;
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final prefix = thumbnail ? 'thumbnail' : '';
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var file =
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File('$tempDirectory/${prefix}_${content.toString().split("/").last}');
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if (!file.existsSync()) {
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final url = thumbnail
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? content.getThumbnail(client, width: width, height: height)
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: content.getDownloadLink(client);
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var request = await HttpClient().getUrl(Uri.parse(url));
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var response = await request.close();
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var bytes = await consolidateHttpClientResponseBytes(response);
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await file.writeAsBytes(bytes);
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}
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return file.path;
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}
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static void iOS_Permission() {
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_firebaseMessaging.requestNotificationPermissions(
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IosNotificationSettings(sound: true, badge: true, alert: true));
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_firebaseMessaging.onIosSettingsRegistered
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.listen((IosNotificationSettings settings) {
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debugPrint('Settings registered: $settings');
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});
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}
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}
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