RocketChat/Rocket.Chat

import { Meteor } from 'meteor/meteor';
import { Session } from 'meteor/session';
import { Tracker } from 'meteor/tracker';

import { CustomSounds } from '../../../app/custom-sounds/client/lib/CustomSounds';
import { Users } from '../../../app/models/client';
import { getUserPreference } from '../../../app/utils/client';

Meteor.startup(() => {
    Tracker.autorun(() => {
        const uid = Meteor.userId();

        if (!uid) {
            return;
        }

        const user = Users.findOne(uid, {
            fields: {
                'settings.preferences.newRoomNotification': 1,
                'settings.preferences.notificationsSoundVolume': 1,
            },
        });
        const newRoomNotification = getUserPreference<string>(user, 'newRoomNotification');
        const audioVolume = getUserPreference(user, 'notificationsSoundVolume', 100);

        if (!newRoomNotification) {
            return;
        }

        if ((Session.get('newRoomSound') || []).length > 0) {
            setTimeout(() => {
                if (newRoomNotification !== 'none') {
                    CustomSounds.play(newRoomNotification, {
                        volume: Number((audioVolume / 100).toPrecision(2)),
                    });
                }
            }, 0);
        } else {
            CustomSounds.pause(newRoomNotification);
        }
    });
});