src/EventListener/InvoicePdfUploadSubscriber.php line 21

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  1. <?php
  3. namespace App\EventListener;
  5. use App\Entity\Invoice;
  6. use imagick;
  7. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  8. use Vich\UploaderBundle\Event\Event as VichEvent;
  9. use Vich\UploaderBundle\Event\Events as VichEvents;
  11. class InvoicePdfUploadSubscriber implements EventSubscriberInterface
  12. {
  13.     public static function getSubscribedEvents(): array
  14.     {
  15.         // return the subscribed events, their methods and priorities
  16.         return [
  17.             VichEvents::POST_UPLOAD => 'createThumbnail'
  18.         ];
  19.     }
  21.     public function createThumbnail(VichEvent $event)
  22.     {
  24.         $entity = $event->getObject();
  27.         if ($entity instanceof Invoice) {
  29.             if ($entity->getMimeType() === 'application/pdf') {
  31.                 // target path
  32.                 $targetFilename = str_replace('.pdf', '.png', $entity->getFileName());
  33.                 $targetFilePath     = $entity->getFileUpload()->getPath() . '/' . $targetFilename;
  35.                 $pdfPage = $entity->getFileUpload()->getPathname() . '[0]';
  37.                 // Hacky way since we rely on imagick
  38.                 $im = new imagick($pdfPage);
  39.                 $im->setImageColorspace(255);
  40.                 $im->setFormat('png');
  41.                 $im->writeImage($targetFilePath);
  42.                 $im->clear();
  43.                 $im->destroy();
  45.             }
  47.         }
  52.     }
  55. }