mode.php

<?php
 
namespace Bitrix\Catalog\Controller\Document;
 
use Bitrix\Catalog;
use Bitrix\Catalog\Access\AccessController;
use Bitrix\Catalog\Controller\Controller;
use Bitrix\Main\Engine;
use Bitrix\Main\Engine\ActionFilter;
 
class Mode extends Engine\Controller
{
    public function statusAction(): ?string
    {
        if (
            AccessController::getCurrent()->check(Controller::CATALOG_STORE)
            || AccessController::getCurrent()->check(Controller::CATALOG_READ)
        )
        {
            return Catalog\Config\State::isUsedInventoryManagement() ? 'Y' : 'N';
        }
 
        $this->addError(new \Bitrix\Main\Error('Access denied'));
 
        return null;
    }
 
    protected function getDefaultPreFilters()
    {
        return array_merge(
            parent::getDefaultPreFilters(),
            [
                new ActionFilter\Scope(ActionFilter\Scope::REST),
            ]
        );
    }
}