fix: read receipts are not being marked as read

app/lib/methods/helpers/markMessagesRead.ts

@@ -0,0 +1,31 @@
+import { Q } from '@nozbe/watermelondb';
+
+import database from '../../database';
+
+interface IMarkMessagesReadParams {
+	rid: string;
+	lastOpen: number;
+}
+
+const markMessagesRead = async ({ rid, lastOpen }: IMarkMessagesReadParams) => {
+	const db = database.active;
+	try {
+		const messages = await db
+			.get('messages')
+			.query([Q.where('rid', rid), Q.where('unread', true), Q.where('ts', Q.lte(lastOpen))])
+			.fetch();
+		await db.write(async () => {
+			await db.batch(
+				...messages.map(message =>
+					message.prepareUpdate(m => {
+						m.unread = false;
+					})
+				)
+			);
+		});
+	} catch (e) {
+		// do nothing
+	}
+};
+
+export default markMessagesRead;

app/lib/methods/subscriptions/room.ts

@@ -28,6 +28,7 @@ import sdk from '../../services/sdk';
 import { readMessages } from '../readMessages';
 import { loadMissedMessages } from '../loadMissedMessages';
 import { updateLastOpen } from '../updateLastOpen';
+import markMessagesRead from '../helpers/markMessagesRead';
 
 export default class RoomSubscription {
 	private rid: string;
@@ -102,7 +103,7 @@ export default class RoomSubscription {
 		}
 	};
 
-	handleNotifyRoomReceived = protectedFunction((ddpMessage: IDDPMessage) => {
+	handleNotifyRoomReceived = protectedFunction(async (ddpMessage: IDDPMessage) => {
 		const [_rid, ev] = ddpMessage.fields.eventName.split('/');
 		if (this.rid !== _rid) {
 			return;
@@ -231,6 +232,9 @@ export default class RoomSubscription {
 					log(e);
 				}
 			});
+		} else if (ev === 'messagesRead') {
+			const lastOpen = ddpMessage.fields.args[0]?.until?.$date;
+			await markMessagesRead({ rid: this.rid, lastOpen });
 		}
 	});
 

app/lib/methods/updateMessages.ts

@@ -147,6 +147,10 @@ export default async function updateMessages({
 						if (newMessage && !newMessage?.md) {
 							newMessage.md = undefined;
 						}
+						if (!m?.unread && newMessage?.unread) {
+							newMessage.unread = false;
+							m.unread = false;
+						}
 						Object.assign(m, newMessage);
 
 						// If image_url didn't change, keep the same attachments, trying to stick to already downloaded media inside att.title_link (starting with file://)

app/lib/services/sdk.ts

@@ -167,7 +167,8 @@ class Sdk {
 			this.subscribe('stream-room-messages', args[0], ...args),
 			eventUserTyping,
 			this.subscribe(topic, `${args[0]}/deleteMessage`, ...args),
-			this.subscribe(topic, `${args[0]}/deleteMessageBulk`, ...args)
+			this.subscribe(topic, `${args[0]}/deleteMessageBulk`, ...args),
+			this.subscribe(topic, `${args[0]}/messagesRead`, ...args)
 		]);
 	}