fix: #13094, update unread chats on reconnect

unread topics and notifications were updated on reconnections, added chats as well
convert function to async added awaits

src/messaging/unread.js

@@ -18,9 +18,6 @@ module.exports = function (Messaging) {
 			uids = [uids];
 		}
 		uids = uids.filter(uid => parseInt(uid, 10) > 0);
-		if (!uids.length) {
-			return;
-		}
 		uids.forEach((uid) => {
 			io.in(`uid_${uid}`).emit('event:unread.updateChatCount', data);
 		});

src/socket.io/meta.js

@@ -6,20 +6,23 @@ const user = require('../user');
 const meta = require('../meta');
 const topics = require('../topics');
 const privileges = require('../privileges');
+const messaging = require('../messaging');
 
 const SocketMeta = module.exports;
 SocketMeta.rooms = {};
 
-SocketMeta.reconnected = function (socket, data, callback) {
-	callback = callback || function () {};
-	if (socket.uid) {
-		topics.pushUnreadCount(socket.uid);
-		user.notifications.pushCount(socket.uid);
+SocketMeta.reconnected = async function (socket) {
+	if (socket.uid > 0) {
+		await Promise.all([
+			topics.pushUnreadCount(socket.uid),
+			user.notifications.pushCount(socket.uid),
+			messaging.pushUnreadCount(socket.uid),
+		]);
 	}
-	callback(null, {
+	return {
 		'cache-buster': meta.config['cache-buster'],
 		hostname: os.hostname(),
-	});
+	};
 };
 
 /* Rooms */

test/socket.io.js

@@ -269,12 +269,9 @@ describe('socket.io', () => {
 		});
 	});
 
-	it('should push unread notifications on reconnect', (done) => {
+	it('should push unread notifications/chats on reconnect', async () => {
 		const socketMeta = require('../src/socket.io/meta');
-		socketMeta.reconnected({ uid: 1 }, {}, (err) => {
-			assert.ifError(err);
-			done();
-		});
+		await socketMeta.reconnected({ uid: 1 }, {});
 	});