RocketChat/Rocket.Chat

import type { ILivechatDepartment } from '@rocket.chat/core-typings';
import { LivechatRooms, LivechatDepartment } from '@rocket.chat/models';

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

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

        const department = await LivechatDepartment.findOneById<Pick<ILivechatDepartment, '_id' | 'ancestors'>>(room.departmentId, {
            projection: { ancestors: 1 },
        });

        if (!department?.ancestors) {
            return room;
        }

        const { ancestors } = department;
        await LivechatRooms.updateDepartmentAncestorsById(room._id, ancestors);

        return room;
    },
    callbacks.priority.MEDIUM,
    'livechat-add-department-ancestors',
);