Sync read status across devices

Synchronize read status for community subchannels across multiple devices.

How it works

When a user reads messages in a community subchannel on one device, the read timestamp syncs to other devices. This prevents stale unread badges on the user's other sessions.

Clear unread count (triggers sync)

TypeScript

import { CommunitySubChannel } from '@nexconn/chat';

const channel = new CommunitySubChannel('<communityId>', '<subChannelId>');
const { code } = await channel.clearUnreadCount();
if (code === 0) {
  console.log('Read status synced');
}

Listen for read status sync events

Register a ChannelHandler to receive community channel status sync completion:

TypeScript

import { NCEngine, ChannelHandler } from '@nexconn/chat';

NCEngine.addChannelHandler('read-sync-handler', new ChannelHandler({
  onCommunityChannelsSyncCompleted() {
    // Called when community channel status (including read status) finishes syncing
    console.log('Community channels sync completed');
  },
  onChannelStatusSyncCompleted({ code }) {
    // Called when general channel status data sync completes
    console.log('Channel status sync completed. Code:', code);
  },
}));