local/modules/ShortCodeMeta/EventListener/ShortCodeListener.php line 38

  1. <?php
  4. namespace ShortCodeMeta\EventListener;
  7. use ShortCode\Event\ShortCodeEvent;
  8. use ShortCodeMeta\ShortCodeMeta;
  9. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  11. class ShortCodeListener implements EventSubscriberInterface
  12. {
  13.     public static function getSubscribedEvents()
  14.     {
  15.         return [
  16.           ShortCodeMeta::EMPTY_PAGE_META_SHORT_CODE => [['checkEmptyPage', 128]],
  17.           ShortCodeMeta::PAGINATION_META_SHORT_CODE => [['addPaginationMeta', 128]],
  18.         ];
  19.     }
  21.     public function addPaginationMeta(ShortCodeEvent $event)
  22.     {
  23.         $attributes = $event->getAttributes();
  25.         if (!isset($attributes['rel'])) {
  26.             return;
  27.         }
  29.         $rel = $attributes['rel'];
  31.         $staticVariableName = strtoupper($attributes['rel']).'_PAGE_URL';
  33.         if (null !== $url = ShortCodeMeta::$$staticVariableName) {
  34.             $event->setResult('<link rel="'.$rel.'" href="'.$url.'">');
  35.         }
  36.     }
  38.     public function checkEmptyPage(ShortCodeEvent $event)
  39.     {
  40.         if (ShortCodeMeta::$IS_EMPTY_PAGE === true) {
  41.             $event->setResult('<meta name="robots" content="noindex, nofollow">');
  42.         }
  43.     }
  45. }