CatalogFilterFactory.php

<?php
 
namespace Bitrix\Catalog\Access\Filter\Factory;
 
use Bitrix\Catalog\Access\ActionDictionary;
use Bitrix\Catalog\Access\Filter\StoreDocumentFilter;
use Bitrix\Catalog\Access\Filter\StoreViewFilter;
use Bitrix\Main\Access\AccessibleController;
use Bitrix\Main\Access\Filter\AccessFilter;
use Bitrix\Main\Access\Filter\FilterFactory;
 
class CatalogFilterFactory implements FilterFactory
{
    private array $actionToFilterClassMap;
 
    private static function getMap(): array
    {
        return [
            StoreDocumentFilter::class => [
                ActionDictionary::ACTION_STORE_DOCUMENT_CANCEL,
                ActionDictionary::ACTION_STORE_DOCUMENT_CONDUCT,
                ActionDictionary::ACTION_STORE_DOCUMENT_DELETE,
                ActionDictionary::ACTION_STORE_DOCUMENT_MODIFY,
                ActionDictionary::ACTION_STORE_DOCUMENT_PERFORM,
                ActionDictionary::ACTION_STORE_DOCUMENT_VIEW,
            ],
            StoreViewFilter::class => [
                ActionDictionary::ACTION_STORE_VIEW,
                ActionDictionary::ACTION_STORE_MODIFY,
            ],
        ];
    }
 
    private function getFilterClassByAction(string $action): ?string
    {
        if (!isset($this->actionToFilterClassMap))
        {
            $this->actionToFilterClassMap = [];
 
            foreach (self::getMap() as $filterClass => $itemActionNames)
            {
                foreach ($itemActionNames as $itemAction)
                {
                    $this->actionToFilterClassMap[$itemAction] = $filterClass;
                }
            }
        }
 
        return $this->actionToFilterClassMap[$action] ?? null;
    }
 
    public function createFromAction(string $action, AccessibleController $controller): ?AccessFilter
    {
        $filterClassName = $this->getFilterClassByAction($action);
        if (!$filterClassName)
        {
            return null;
        }
 
        return new $filterClassName($controller);
    }
}