RocketChat/Rocket.Chat

import type { AtLeast, ISubscription, IUser } from '@rocket.chat/core-typings';

/**
 * @type {(userPref: Pick<import('@rocket.chat/core-typings').IUser, 'settings'>) => {
 *     desktopPrefOrigin: 'user';
 *     mobilePrefOrigin: 'user';
 *     emailPrefOrigin: 'user';
 * }}
 */
export const getDefaultSubscriptionPref = (userPref: AtLeast<IUser, 'settings'>) => {
    const subscription: Partial<ISubscription> = {};

    const { desktopNotifications, pushNotifications, emailNotificationMode, highlights } = userPref.settings?.preferences || {};

    if (Array.isArray(highlights) && highlights.length) {
        subscription.userHighlights = highlights;
    }

    if (desktopNotifications && desktopNotifications !== 'default') {
        subscription.desktopNotifications = desktopNotifications;
        subscription.desktopPrefOrigin = 'user';
    }

    if (pushNotifications && pushNotifications !== 'default') {
        subscription.mobilePushNotifications = pushNotifications;
        subscription.mobilePrefOrigin = 'user';
    }

    if (emailNotificationMode && emailNotificationMode !== 'default') {
        subscription.emailNotifications = emailNotificationMode;
        subscription.emailPrefOrigin = 'user';
    }

    return subscription;
};