films-symfony-4-2/src/Service/NoteListener.php

<?php

namespace App\Service;

use App\Entity\Commentaire;
use Doctrine\Bundle\DoctrineBundle\Attribute\AsDoctrineListener;
use Doctrine\ORM\Event\PostPersistEventArgs;
use Doctrine\ORM\Event\PostRemoveEventArgs;
use Doctrine\ORM\Event\PostUpdateEventArgs;
use Doctrine\ORM\Events;
use Doctrine\Persistence\Event\LifecycleEventArgs;


#[AsDoctrineListener(event: Events::postPersist)]
#[AsDoctrineListener(event: Events::postUpdate)]
#[AsDoctrineListener(event: Events::postRemove)]
class NoteListener

{
    public function __construct(protected NoteMoyenne $noteMoyenne)
    {
    }

    public function postPersist(PostPersistEventArgs $args): void
    {
        $this->calculer($args);
    }

    public function postUpdate (PostUpdateEventArgs $args): void
    {
        $this->calculer($args);
    }

    public function postRemove (PostRemoveEventArgs $args): void
    {
        $this->calculer($args);
    }

    private function calculer (LifecycleEventArgs $args): void
    {
        $entity = $args->getObject();

        if (!$entity instanceof Commentaire) {
            return;
        }

        $this->noteMoyenne->calculerMoyenne($entity->getFilm());
    }

}