RocketChat/Rocket.Chat

import { isOmnichannelRoom } from '@rocket.chat/core-typings';
import { LivechatVisitors } from '@rocket.chat/models';

import { callbacks } from '../../../../lib/callbacks';

callbacks.add(
    'livechat.newRoom',
    async (room) => {
        if (!isOmnichannelRoom(room)) {
            return room;
        }

        const {
            _id,
            v: { _id: guestId },
        } = room;

        const lastChat = {
            _id,
            ts: new Date(),
        };
        await LivechatVisitors.setLastChatById(guestId, lastChat);
    },
    callbacks.priority.MEDIUM,
    'livechat-save-last-chat',
);