<?php
// src/AppBundle/EventListener/BrochureUploadListener.php
namespace AppBundle\EventListener;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Doctrine\ORM\Event\LifecycleEventArgs;
use Doctrine\ORM\Event\PreUpdateEventArgs;
use AppBundle\Entity\Product;
use AppBundle\FileUploader;
class BrochureUploadListener
{
private $uploader;
public function __construct(FileUploader $uploader)
{
$this->uploader = $uploader;
}
public function prePersist(LifecycleEventArgs $args)
{
$entity = $args->getEntity();
$this->uploadFile($entity);
}
public function preUpdate(PreUpdateEventArgs $args)
{
$entity = $args->getEntity();
$this->uploadFile($entity);
}
private function uploadFile($entity)
{
// upload only works for Product entities
if (!$entity instanceof Product) {
return;
}
$file = $entity->getBrochure();
// only upload new files
if ($file instanceof UploadedFile) {
$fileName = $this->uploader->upload($file);
$entity->setBrochure($fileName);
}
}
}