src/EventSubscriber/ElCourseRatingSubscriber.php line 28

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  1. <?php
  3. namespace App\EventSubscriber;
  5. use App\Entity\ElCourseRating;
  6. use Doctrine\ORM\EntityManagerInterface;
  7. use App\Event\ElCourseRatingPreRemoveEvent;
  8. use App\Event\ElCourseRatingPostUpdateEvent;
  9. use App\Event\ElCourseRatingPostPersistEvent;
  10. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  12. class ElCourseRatingSubscriber implements EventSubscriberInterface
  13. {
  14.     public function __construct(
  15.         private EntityManagerInterface $_em
  16.     ) {
  17.     }
  19.     public static function getSubscribedEvents(): array
  20.     {
  21.         return [
  22.             ElCourseRatingPostPersistEvent::NAME => 'onPostCreate',
  23.             ElCourseRatingPostUpdateEvent::NAME => 'onPostUpdate',
  24.             ElCourseRatingPreRemoveEvent::NAME => 'onPreRemove'
  25.         ];
  26.     }
  28.     public function onPostCreate(ElCourseRatingPostPersistEvent $event)
  29.     {
  30.         $this->updateTotalRatings($event);
  31.     }
  33.     public function onPostUpdate(ElCourseRatingPostUpdateEvent $event)
  34.     {
  35.         $this->updateTotalRatings($event);
  36.     }
  38.     public function onPreRemove(ElCourseRatingPreRemoveEvent $event)
  39.     {
  40.         $this->updateTotalRatings($event, true);
  41.     }
  43.     private function updateTotalRatings($event, $isExclude = false)
  44.     {
  45.         $object = $event->getObject();
  46.         $elCourse = $object->getElCourse();
  47.         $excludeId = $isExclude ? $object->getId() : null;
  48.         $result = $this->_em->getRepository(ElCourseRating::class)->getRatingStat($elCourse, $excludeId);
  49.         $elCourse
  50.             ->setTotalRating($result['totalRating'])
  51.             ->setAverageRating($result['averageRating'])
  52.         ;
  53.         $this->_em->persist($elCourse);
  54.         $this->_em->flush();
  55.     }
  56. }