redeem.php

<?php

/**
 * This file contains package_quiqqer_coupons_ajax_delete
 */

use QUI\ERP\Coupons\Handler;

/**
 * Redeem a CouponCode
 *
 * @param int $id - CouponCode ID
 * @return bool - success
 */
QUI::$Ajax->registerFunction(
    'package_quiqqer_coupons_ajax_frontend_redeem',
    function ($id) {
        $id = (int)$id;

        try {
            $CouponCode = Handler::getCouponCode($id);
        } catch (\Exception $Exception) {
            QUI\System\Log::writeException($Exception);

            QUI::getMessagesHandler()->addError(
                QUI::getLocale()->get(
                    'quiqqer/coupons',
                    'message.ajax.general_error'
                )
            );

            return false;
        }

        return true;
    },
    ['id'],
    'Permission::checkAdminUser'
);