vendor/knplabs/knp-components/src/Knp/Component/Pager/Event/Subscriber/Sortable/SolariumQuerySubscriber.php line 16

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  1. <?php
  3. namespace Knp\Component\Pager\Event\Subscriber\Sortable;
  5. use Knp\Component\Pager\Event\ItemsEvent;
  6. use Knp\Component\Pager\PaginatorInterface;
  7. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  9. /**
  10.  * Solarium query sorting
  11.  *
  12.  * @author Marek Kalnik <marekk@theodo.fr>
  13.  */
  14. class SolariumQuerySubscriber implements EventSubscriberInterface
  15. {
  16.     public function items(ItemsEvent $event)
  17.     {
  18.         // Check if the result has already been sorted by an other sort subscriber
  19.         $customPaginationParameters = $event->getCustomPaginationParameters();
  20.         if (!empty($customPaginationParameters['sorted']) ) {
  21.             return;
  22.         }
  24.         if (is_array($event->target) && 2 == count($event->target)) {
  25.             $event->setCustomPaginationParameter('sorted', true);
  27.             $values = array_values($event->target);
  28.             list($client, $query) = $values;
  30.             if ($client instanceof \Solarium\Client && $query instanceof \Solarium\QueryType\Select\Query\Query) {
  31.                 if (isset($_GET[$event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME]])) {
  32.                     if (isset($event->options[PaginatorInterface::SORT_FIELD_WHITELIST])) {
  33.                         if (!in_array($_GET[$event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME]], $event->options[PaginatorInterface::SORT_FIELD_WHITELIST])) {
  34.                             throw new \UnexpectedValueException("Cannot sort by: [{$_GET[$event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME]]}] this field is not in whitelist");
  35.                         }
  36.                     }
  38.                     $query->addSort($_GET[$event->options[PaginatorInterface::SORT_FIELD_PARAMETER_NAME]], $this->getSortDirection($event));
  39.                 }
  40.             }
  41.         }
  42.     }
  44.     public static function getSubscribedEvents()
  45.     {
  46.         return array(
  47.             // trigger before the pagination subscriber
  48.             'knp_pager.items' => array('items', 1),
  49.         );
  50.     }
  52.     private function getSortDirection($event)
  53.     {
  54.         return isset($_GET[$event->options[PaginatorInterface::SORT_DIRECTION_PARAMETER_NAME]]) &&
  55.             strtolower($_GET[$event->options[PaginatorInterface::SORT_DIRECTION_PARAMETER_NAME]]) === 'asc' ? 'asc' : 'desc';
  56.     }
  57. }