An experimental fork of FluffyChat.
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import 'dart:convert';
import 'dart:io';
import 'package:bot_toast/bot_toast.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:flutter_gen/gen_l10n/l10n_en.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:path_provider/path_provider.dart';
import '../components/matrix.dart';
import '../views/chat.dart';
import 'app_route.dart';
import 'famedlysdk_store.dart';
import 'matrix_locals.dart';
abstract class FirebaseController {
static final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
static final FlutterLocalNotificationsPlugin
_flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
static BuildContext context;
static const String CHANNEL_ID = 'message';
static const String CHANNEL_NAME = 'FurryChat push channel';
static const String CHANNEL_DESCRIPTION = 'Push notifications for FurryChat';
static const String APP_ID = 'dev.inex.furrychat';
static const String GATEWAY_URL = 'https://push-gateway.inex.dev:443/';
static const String PUSHER_FORMAT = 'event_id_only';
static Future<void> setupFirebase(
MatrixState matrix, String clientName) async {
final client = matrix.client;
if (Platform.isIOS) iOS_Permission();
String token;
try {
token = await _firebaseMessaging.getToken();
} catch (_) {
token = null;
}
if (token?.isEmpty ?? true) {
final storeItem =
await matrix.store.getItem('chat.fluffy.show_no_google');
final configOptionMissing = storeItem == null || storeItem.isEmpty;
if (configOptionMissing || (!configOptionMissing && storeItem == '1')) {
BotToast.showText(
text: L10n.of(context).noGoogleServicesWarning,
duration: Duration(seconds: 15),
);
if (configOptionMissing) {
await matrix.store.setItem('chat.fluffy.show_no_google', '0');
}
}
return;
}
final pushers = await client.requestPushers().catchError((e) {
debugPrint('[Push] Unable to request pushers: ${e.toString()}');
return [];
});
final currentPushers = pushers.where((pusher) => pusher.pushkey == token);
if (currentPushers.length == 1 &&
currentPushers.first.kind == 'http' &&
currentPushers.first.appId == APP_ID &&
currentPushers.first.appDisplayName == clientName &&
currentPushers.first.deviceDisplayName == client.deviceName &&
currentPushers.first.lang == 'en' &&
currentPushers.first.data.url.toString() == GATEWAY_URL &&
currentPushers.first.data.format == PUSHER_FORMAT) {
debugPrint('[Push] Pusher already set');
} else {
if (currentPushers.isNotEmpty) {
for (final currentPusher in currentPushers) {
currentPusher.pushkey = token;
currentPusher.kind = 'null';
await client.setPusher(
currentPusher,
append: true,
);
debugPrint('[Push] Remove legacy pusher for this device');
}
}
await client
.setPusher(
Pusher(
token,
APP_ID,
clientName,
client.deviceName,
'en',
PusherData(
url: Uri.parse(GATEWAY_URL),
format: PUSHER_FORMAT,
),
kind: 'http',
),
append: false,
)
.catchError((e) {
debugPrint('[Push] Unable to set pushers: ${e.toString()}');
return [];
});
}
Function goToRoom = (dynamic message) async {
try {
String roomId;
if (message is String) {
roomId = message;
} else if (message is Map) {
roomId = (message['data'] ?? message)['room_id'];
}
if (roomId?.isEmpty ?? true) throw ('Bad roomId');
await Navigator.of(context).pushAndRemoveUntil(
AppRoute.defaultRoute(
context,
ChatView(roomId),
),
(r) => r.isFirst);
} catch (_) {
BotToast.showText(text: 'Failed to open chat...');
debugPrint(_);
}
};
// initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
var initializationSettingsAndroid =
AndroidInitializationSettings('notifications_icon');
var initializationSettingsIOS =
IOSInitializationSettings(onDidReceiveLocalNotification: (i, a, b, c) {
return null;
});
var initializationSettings = InitializationSettings(
android: initializationSettingsAndroid, iOS: initializationSettingsIOS);
await _flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: goToRoom);
_firebaseMessaging.configure(
onMessage: _onMessage,
onBackgroundMessage: _onMessage,
onResume: goToRoom,
onLaunch: goToRoom,
);
debugPrint('[Push] Firebase initialized');
return;
}
static Future<dynamic> _onMessage(Map<String, dynamic> message) async {
try {
final data = message['data'] ?? message;
final String roomId = data['room_id'];
final String eventId = data['event_id'];
final int unread = json.decode(data['counts'])['unread'];
if ((roomId?.isEmpty ?? true) ||
(eventId?.isEmpty ?? true) ||
unread == 0) {
await _flutterLocalNotificationsPlugin.cancelAll();
return null;
}
if (context != null && Matrix.of(context).activeRoomId == roomId) {
debugPrint('[Push] New clearing push');
return null;
}
debugPrint('[Push] New message received');
// FIXME unable to init without context currently https://github.com/flutter/flutter/issues/67092
// Locked on EN until issue resolved
final i18n = context == null ? L10nEn() : L10n.of(context);
// Get the client
Client client;
var tempClient = false;
try {
client = Matrix.of(context).client;
} catch (_) {
client = null;
}
if (client == null) {
tempClient = true;
final platform = kIsWeb ? 'Web' : Platform.operatingSystem;
final clientName = 'FurryChat $platform';
client = Client(clientName);
client.database = await getDatabase(client);
client.connect();
debugPrint('[Push] Use a temp client');
await client.onLoginStateChanged.stream
.firstWhere((l) => l == LoginState.logged)
.timeout(
Duration(seconds: 5),
);
}
// Get the room
var room = client.getRoomById(roomId);
if (room == null) {
debugPrint('[Push] Wait for the room');
await client.onRoomUpdate.stream
.where((u) => u.id == roomId)
.first
.timeout(Duration(seconds: 5));
debugPrint('[Push] Room found');
room = client.getRoomById(roomId);
if (room == null) return null;
}
// Get the event
var event = await client.database.getEventById(client.id, eventId, room);
if (event == null) {
debugPrint('[Push] Wait for the event');
final eventUpdate = await client.onEvent.stream
.where((u) => u.content['event_id'] == eventId)
.first
.timeout(Duration(seconds: 5));
debugPrint('[Push] Event found');
event = Event.fromJson(eventUpdate.content, room);
if (room == null) return null;
}
// Count all unread events
var unreadEvents = 0;
client.rooms
.forEach((Room room) => unreadEvents += room.notificationCount);
// Calculate title
final title = unread > 1
? i18n.unreadMessagesInChats(
unreadEvents.toString(), unread.toString())
: i18n.unreadMessages(unreadEvents.toString());
// Calculate the body
final body = event.getLocalizedBody(
MatrixLocals(i18n),
withSenderNamePrefix: true,
hideReply: true,
);
// The person object for the android message style notification
final person = Person(
name: room.getLocalizedDisplayname(MatrixLocals(i18n)),
icon: room.avatar == null
? null
: BitmapFilePathAndroidIcon(
await downloadAndSaveAvatar(
room.avatar,
client,
width: 126,
height: 126,
),
),
);
// Show notification
var androidPlatformChannelSpecifics = AndroidNotificationDetails(
CHANNEL_ID, CHANNEL_NAME, CHANNEL_DESCRIPTION,
styleInformation: MessagingStyleInformation(
person,
conversationTitle: title,
messages: [
Message(
body,
event.originServerTs,
person,
)
],
),
importance: Importance.max,
priority: Priority.high,
ticker: i18n.newMessageInFluffyChat);
var iOSPlatformChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics = NotificationDetails(
android: androidPlatformChannelSpecifics,
iOS: iOSPlatformChannelSpecifics);
await _flutterLocalNotificationsPlugin.show(
0,
room.getLocalizedDisplayname(MatrixLocals(i18n)),
body,
platformChannelSpecifics,
payload: roomId);
if (tempClient) {
await client.dispose();
client = null;
debugPrint('[Push] Temp client disposed');
}
} catch (exception) {
debugPrint('[Push] Error while processing notification: ' +
exception.toString());
await _showDefaultNotification(message);
}
return null;
}
static Future<dynamic> _showDefaultNotification(
Map<String, dynamic> message) async {
try {
var flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
// Init notifications framework
var initializationSettingsAndroid =
AndroidInitializationSettings('notifications_icon');
var initializationSettingsIOS = IOSInitializationSettings();
var initializationSettings = InitializationSettings(
android: initializationSettingsAndroid,
iOS: initializationSettingsIOS);
await flutterLocalNotificationsPlugin.initialize(initializationSettings);
// FIXME unable to init without context currently https://github.com/flutter/flutter/issues/67092
// Locked on en for now
//final l10n = L10n(Platform.localeName);
final l10n = L10nEn();
// Notification data and matrix data
Map<dynamic, dynamic> data = message['data'] ?? message;
String eventID = data['event_id'];
String roomID = data['room_id'];
final int unread = data.containsKey('counts')
? json.decode(data['counts'])['unread']
: 1;
await flutterLocalNotificationsPlugin.cancelAll();
if (unread == 0 || roomID == null || eventID == null) {
return;
}
// Display notification
var androidPlatformChannelSpecifics = AndroidNotificationDetails(
CHANNEL_ID, CHANNEL_NAME, CHANNEL_DESCRIPTION,
importance: Importance.max, priority: Priority.high);
var iOSPlatformChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics = NotificationDetails(
android: androidPlatformChannelSpecifics,
iOS: iOSPlatformChannelSpecifics);
final title = l10n.unreadChats(unread.toString());
await flutterLocalNotificationsPlugin.show(
1, title, l10n.openAppToReadMessages, platformChannelSpecifics,
payload: roomID);
} catch (exception) {
debugPrint('[Push] Error while processing background notification: ' +
exception.toString());
}
return Future<void>.value();
}
static Future<String> downloadAndSaveAvatar(Uri content, Client client,
{int width, int height}) async {
final thumbnail = width == null && height == null ? false : true;
final tempDirectory = (await getTemporaryDirectory()).path;
final prefix = thumbnail ? 'thumbnail' : '';
var file =
File('$tempDirectory/${prefix}_${content.toString().split("/").last}');
if (!file.existsSync()) {
final url = thumbnail
? content.getThumbnail(client, width: width, height: height)
: content.getDownloadLink(client);
var request = await HttpClient().getUrl(Uri.parse(url));
var response = await request.close();
var bytes = await consolidateHttpClientResponseBytes(response);
await file.writeAsBytes(bytes);
}
return file.path;
}
static void iOS_Permission() {
_firebaseMessaging.requestNotificationPermissions(
IosNotificationSettings(sound: true, badge: true, alert: true));
_firebaseMessaging.onIosSettingsRegistered
.listen((IosNotificationSettings settings) {
debugPrint('Settings registered: $settings');
});
}
}