RocketChat/Rocket.Chat

import { isGETLivechatConfigParams } from '@rocket.chat/rest-typings';
import mem from 'mem';

import { API } from '../../../../api/server';
import { settings as serverSettings } from '../../../../settings/server';
import { Livechat } from '../../lib/LivechatTyped';
import { settings, findOpenRoom, getExtraConfigInfo, findAgent, findGuestWithoutActivity } from '../lib/livechat';

const cachedSettings = mem(settings, { maxAge: process.env.TEST_MODE === 'true' ? 1 : 1000, cacheKey: JSON.stringify });

API.v1.addRoute(
    'livechat/config',
    { validateParams: isGETLivechatConfigParams },
    {
        async get() {
            const enabled = serverSettings.get<boolean>('Livechat_enabled');

            if (!enabled) {
                return API.v1.success({ config: { enabled: false } });
            }

            const { token, department, businessUnit } = this.queryParams;

            const config = await cachedSettings({ businessUnit });

            const status = await Livechat.online(department);
            const guest = token ? await findGuestWithoutActivity(token) : null;

            const room = guest ? await findOpenRoom(guest.token) : undefined;
            const agent = guest && room && room.servedBy && (await findAgent(room.servedBy._id));

            const extra = await getExtraConfigInfo(room);
            return API.v1.success({
                config: { ...config, online: status, ...extra, ...(guest && { guest }), ...(room && { room }), ...(agent && { agent }) },
            });
        },
    },
);