RocketChat/Rocket.Chat

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

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

callbacks.add(
    'livechat.onLoadForwardDepartmentRestrictions',
    async (options) => {
        const { departmentId } = options;
        if (!departmentId) {
            return options;
        }
        const department = await LivechatDepartment.findOneById<Pick<ILivechatDepartment, 'departmentsAllowedToForward'>>(departmentId, {
            projection: { departmentsAllowedToForward: 1 },
        });
        if (!department) {
            return options;
        }
        const { departmentsAllowedToForward } = department;
        if (!departmentsAllowedToForward) {
            return options;
        }
        return Object.assign({ restrictions: { _id: { $in: departmentsAllowedToForward } } }, options);
    },
    callbacks.priority.MEDIUM,
    'livechat-on-load-forward-department-restrictions',
);