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<?php
namespace Knp\Component\Pager\Event\Subscriber\Sortable;
use Elastica\Query;
use Elastica\SearchableInterface;
use Knp\Component\Pager\Event\ItemsEvent;
use Knp\Component\Pager\PaginatorInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\Request;
class ElasticaQuerySubscriber implements EventSubscriberInterface
{
/**
* @var Request
*/
private $request;
public function __construct(Request $request)
{
$this->request = $request;
}
public function items(ItemsEvent $event): void
{
// Check if the result has already been sorted by an other sort subscriber
$customPaginationParameters = $event->getCustomPaginationParameters();
if (!empty($customPaginationParameters['sorted']) ) {
return;
}
if (is_array($event->target) && 2 === count($event->target) && reset($event->target) instanceof SearchableInterface && end($event->target) instanceof Query) {
[$searchable, $query] = $event->target;
$event->setCustomPaginationParameter('sorted', true);
$sortField = $event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME];
$sortDir = $event->options[PaginatorInterface::SORT_DIRECTION_PARAMETER_NAME];
if (null !== $sortField && $this->request->query->has($sortField)) {
$field = $this->request->query->get($sortField);
$dir = null !== $sortDir && $this->request->query->has($sortDir) && strtolower($this->request->query->get($sortDir)) === 'asc' ? 'asc' : 'desc';
if (isset($event->options[PaginatorInterface::SORT_FIELD_ALLOW_LIST]) && !in_array($field, $event->options[PaginatorInterface::SORT_FIELD_ALLOW_LIST])) {
throw new \UnexpectedValueException(sprintf('Cannot sort by: [%s] this field is not in allow list.', $field));
}
$query->setSort([
$field => ['order' => $dir],
]);
}
}
}
public static function getSubscribedEvents(): array
{
return [
'knp_pager.items' => ['items', 1],
];
}
}

vendor/knplabs/knp-components/src/Knp/Component/Pager/Event/Subscriber/Sortable/ElasticaQuerySubscriber.php line 24