refactor: New push
Christian Pauly
3 years ago
parent
08a6b4b768
commit
aee89a9be0
@ -0,0 +1,146 @@
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import 'dart:convert';
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import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:flutter_gen/gen_l10n/l10n.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:matrix/matrix.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:fluffychat/config/app_config.dart';
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import 'package:fluffychat/config/setting_keys.dart';
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import 'package:fluffychat/utils/client_manager.dart';
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import 'package:fluffychat/utils/matrix_sdk_extensions.dart/matrix_locals.dart';
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Future<void> pushHelper(
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PushNotification notification, {
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Client? client,
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L10n? l10n,
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String? activeRoomId,
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Future<dynamic> Function(String?)? onSelectNotification,
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}) async {
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final isBackgroundMessage = client == null;
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Logs().v(
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'Push helper has been started (background=$isBackgroundMessage).',
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notification.toJson(),
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);
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if (!isBackgroundMessage &&
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activeRoomId == notification.roomId &&
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activeRoomId != null &&
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client?.syncPresence == null) {
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Logs().v('Room is in foreground. Stop push helper here.');
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return;
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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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final _flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
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await _flutterLocalNotificationsPlugin.initialize(
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InitializationSettings(
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android: const AndroidInitializationSettings('notifications_icon'),
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iOS: IOSInitializationSettings(
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onDidReceiveLocalNotification: (i, a, b, c) async => null,
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),
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),
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onSelectNotification: onSelectNotification,
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);
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client ??= (await ClientManager.getClients(initialize: false)).first;
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final event = await client.getEventByPushNotification(
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notification,
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storeInDatabase: isBackgroundMessage,
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);
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if (event == null) {
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Logs().v('Notification is a clearing indicator.');
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await _flutterLocalNotificationsPlugin.cancelAll();
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final store = await SharedPreferences.getInstance();
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await store.setString(SettingKeys.notificationCurrentIds, json.encode({}));
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return;
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}
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Logs().v('Push helper got notification event.');
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l10n ??= await L10n.delegate.load(window.locale);
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final matrixLocals = MatrixLocals(l10n);
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// Display notification// Calculate title
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final title = l10n.unreadMessages(notification.counts?.unread ?? 1);
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// Calculate the body
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final body = event.getLocalizedBody(
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matrixLocals,
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plaintextBody: true,
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hideReply: true,
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hideEdit: true,
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removeMarkdown: true,
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);
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// The person object for the android message style notification
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if (isBackgroundMessage) WidgetsFlutterBinding.ensureInitialized();
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final avatar = event.room.avatar?.toString();
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final person = Person(
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name: event.room.getLocalizedDisplayname(matrixLocals),
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icon: avatar == null ? null : ContentUriAndroidIcon(avatar),
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);
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// Show notification
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final androidPlatformChannelSpecifics = AndroidNotificationDetails(
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AppConfig.pushNotificationsChannelId,
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AppConfig.pushNotificationsChannelName,
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AppConfig.pushNotificationsChannelDescription,
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styleInformation: MessagingStyleInformation(
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person,
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conversationTitle: title,
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groupConversation: !event.room.isDirectChat,
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messages: [
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Message(
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body,
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event.originServerTs,
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person,
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)
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],
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),
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ticker: l10n.newMessageInFluffyChat,
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importance: Importance.max,
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priority: Priority.high,
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);
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const iOSPlatformChannelSpecifics = IOSNotificationDetails();
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final platformChannelSpecifics = NotificationDetails(
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android: androidPlatformChannelSpecifics,
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iOS: iOSPlatformChannelSpecifics,
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);
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await _flutterLocalNotificationsPlugin.show(
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await mapRoomIdToInt(event.room.id),
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event.room.displayname,
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body,
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platformChannelSpecifics,
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payload: event.roomId,
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);
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Logs().v('Push helper has been completed!');
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}
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/// Workaround for the problem that local notification IDs must be int but we
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/// sort by [roomId] which is a String. To make sure that we don't have duplicated
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/// IDs we map the [roomId] to a number and store this number.
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Future<int> mapRoomIdToInt(String roomId) async {
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final store = await SharedPreferences.getInstance();
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final idMap = Map<String, int>.from(jsonDecode(
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(store.getString(SettingKeys.notificationCurrentIds)) ?? '{}'));
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int? currentInt;
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try {
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currentInt = idMap[roomId];
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} catch (_) {
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currentInt = null;
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}
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if (currentInt != null) {
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return currentInt;
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}
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var nCurrentInt = 0;
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while (idMap.values.contains(currentInt)) {
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nCurrentInt++;
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}
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idMap[roomId] = nCurrentInt;
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await store.setString(SettingKeys.notificationCurrentIds, json.encode(idMap));
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return nCurrentInt;
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}
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