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<?php
namespace Bitrix\Catalog\Controller;
use Bitrix\Main\Engine\Response\DataType\Page;
use Bitrix\Main\UI\PageNavigation;
trait ListAction
{
abstract protected function getServiceListName(): string;
abstract protected function getList(
array $select,
array $filter,
array $order,
PageNavigation $pageNavigation = null
): array;
abstract protected function count($filter);
/**
* @param PageNavigation $pageNavigation
* @param array $select
* @param array $filter
* @param array $order
* @param bool $__calculateTotalCount
* @return Page
*/
public function listAction(
PageNavigation $pageNavigation,
array $select = [],
array $filter = [],
array $order = [],
bool $__calculateTotalCount = true
): Page
{
$params = $this->modifyListActionParameters([
'select' => $select,
'filter' => $filter,
'order' => $order,
]);
return new Page(
$this->getServiceListName(),
$this->getList($params['select'], $params['filter'], $params['order'], $pageNavigation),
$__calculateTotalCount ? $this->count($filter) : 0
);
}
/**
* Modify select, filter or order for entity.
*
* @param array $params
* All keys are case-sensitive:
* <ul>
* <li>array select - constains select fields. Required.
* <li>array filter - constains filter. Required
* <li>array order - contains order for list. Required.
* </ul>
* @return array - contains incoming parameters after change.
*/
protected function modifyListActionParameters(array $params): array
{
return $params;
}
}