[FIX] Missing messages after reconnect (#1470)

app/lib/methods/subscriptions/room.js

@@ -10,17 +10,18 @@ import reduxStore from '../../createStore';
 import { addUserTyping, removeUserTyping, clearUserTyping } from '../../../actions/usersTyping';
 import debounce from '../../../utils/debounce';
 
-const unsubscribe = subscriptions => subscriptions.forEach(sub => sub.unsubscribe().catch(() => console.log('unsubscribeRoom')));
+const unsubscribe = (subscriptions = []) => Promise.all(subscriptions.map(sub => sub.unsubscribe));
 const removeListener = listener => listener.stop();
 
-export default function subscribeRoom({ rid }) {
-	console.log(`[RCRN] Subscribed to room ${ rid }`);
 let promises;
 let connectedListener;
 let disconnectedListener;
 let notifyRoomListener;
 let messageReceivedListener;
 
+export default function subscribeRoom({ rid }) {
+	console.log(`[RCRN] Subscribed to room ${ rid }`);
+
 	const handleConnection = () => {
 		this.loadMissedMessages({ rid }).catch(e => console.log(e));
 	};
@@ -197,25 +198,35 @@ export default function subscribeRoom({ rid }) {
 		});
 	});
 
-	const stop = () => {
+	const stop = async() => {
+		let params;
 		if (promises) {
-			promises.then(unsubscribe);
+			try {
+				params = await promises;
+				await unsubscribe(params);
+			} catch (error) {
+				// Do nothing
+			}
 			promises = false;
 		}
 		if (connectedListener) {
-			connectedListener.then(removeListener);
+			params = await connectedListener;
+			removeListener(params);
 			connectedListener = false;
 		}
 		if (disconnectedListener) {
-			disconnectedListener.then(removeListener);
+			params = await disconnectedListener;
+			removeListener(params);
 			disconnectedListener = false;
 		}
 		if (notifyRoomListener) {
-			notifyRoomListener.then(removeListener);
+			params = await notifyRoomListener;
+			removeListener(params);
 			notifyRoomListener = false;
 		}
 		if (messageReceivedListener) {
-			messageReceivedListener.then(removeListener);
+			params = await messageReceivedListener;
+			removeListener(params);
 			messageReceivedListener = false;
 		}
 		reduxStore.dispatch(clearUserTyping());
@@ -226,11 +237,7 @@ export default function subscribeRoom({ rid }) {
 	notifyRoomListener = this.sdk.onStreamData('stream-notify-room', handleNotifyRoomReceived);
 	messageReceivedListener = this.sdk.onStreamData('stream-room-messages', handleMessageReceived);
 
-	try {
 	promises = this.sdk.subscribeRoom(rid);
-	} catch (e) {
-		log(e);
-	}
 
 	return {
 		stop: () => stop()

app/views/RoomView/index.js

@@ -287,7 +287,7 @@ class RoomView extends React.Component {
 				}
 			}
 		}
-		this.unsubscribe();
+		await this.unsubscribe();
 		if (this.didFocusListener && this.didFocusListener.remove) {
 			this.didFocusListener.remove();
 		}
@@ -324,10 +324,9 @@ class RoomView extends React.Component {
 	}
 
 	// eslint-disable-next-line react/sort-comp
-	init = () => {
+	init = async() => {
 		try {
 			this.setState({ loading: true });
-			this.initInteraction = InteractionManager.runAfterInteractions(async() => {
 			const { room, joined } = this.state;
 			if (this.tmid) {
 				await this.getThreadMessages();
@@ -343,8 +342,8 @@ class RoomView extends React.Component {
 						this.setLastOpen(null);
 					}
 					RocketChat.readMessages(room.rid, newLastOpen).catch(e => console.log(e));
-						this.unsubscribe();
-						this.sub = await RocketChat.subscribeRoom(room);
+					await this.unsubscribe();
+					this.sub = RocketChat.subscribeRoom(room);
 				}
 			}
 
@@ -352,10 +351,14 @@ class RoomView extends React.Component {
 			// in case of a missing connection or poor connection on room open
 			const canAutoTranslate = await RocketChat.canAutoTranslate();
 			this.setState({ canAutoTranslate, loading: false });
-			});
 		} catch (e) {
 			this.setState({ loading: false });
-			log(e);
+			this.retryInit = this.retryInit + 1 || 1;
+			if (this.retryInit <= 1) {
+				this.retryInitTimeout = setTimeout(() => {
+					this.init();
+				}, 300);
+			}
 		}
 	}
 
@@ -386,9 +389,9 @@ class RoomView extends React.Component {
 		}
 	}
 
-	unsubscribe = () => {
+	unsubscribe = async() => {
 		if (this.sub && this.sub.stop) {
-			this.sub.stop();
+			await this.sub.stop();
 		}
 	}
 
@@ -568,27 +571,16 @@ class RoomView extends React.Component {
 		return ((room.prid || useRealName) && room.fname) || room.name;
 	}
 
-	getMessages = async() => {
+	getMessages = () => {
 		const { room } = this.state;
-		try {
 		if (room.lastOpen) {
-				await RocketChat.loadMissedMessages(room);
+			return RocketChat.loadMissedMessages(room);
 		} else {
-				await RocketChat.loadMessagesForRoom(room);
-			}
-			return Promise.resolve();
-		} catch (e) {
-			log(e);
+			return RocketChat.loadMessagesForRoom(room);
 		}
 	}
 
-	getThreadMessages = () => {
-		try {
-			return RocketChat.loadThreadMessages({ tmid: this.tmid, rid: this.rid });
-		} catch (e) {
-			log(e);
-		}
-	}
+	getThreadMessages = () => RocketChat.loadThreadMessages({ tmid: this.tmid, rid: this.rid })
 
 	getCustomEmoji = (name) => {
 		const { customEmojis } = this.props;