vendor/kematjaya/upload-bundle/src/EventSubscriber/ImageOptimationSubscriber.php line 40

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  1. <?php
  3. /*
  4.  * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
  5.  * Click nbfs://nbhost/SystemFileSystem/Templates/Scripting/PHPClass.php to edit this template
  6.  */
  8. namespace Kematjaya\UploadBundle\EventSubscriber;
  10. use Kematjaya\UploadBundle\Event\PostUploadFileEvent;
  11. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  12. use Symfony\Component\HttpFoundation\File\File;
  13. use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
  15. /**
  16.  * Description of ImageOptimationSUbscriber
  17.  *
  18.  * @author apple
  19.  */
  20. class ImageOptimationSubscriber implements EventSubscriberInterface 
  21. {
  22.     /**
  23.      * 
  24.      * @var array
  25.      */
  26.     private $optimizer;
  27.     
  28.     public function __construct(ParameterBagInterface $parameterBag) 
  29.     {
  30.         $this->optimizer = $parameterBag->get("upload")["optimizer"]["image"];
  31.     }
  32.     
  33.     public static function getSubscribedEvents():array
  34.     {
  35.         return [
  36.             PostUploadFileEvent::EVENT_NAME => "optimation"
  37.         ];
  38.     }
  40.     public function optimation(PostUploadFileEvent $event):void
  41.     {
  42.         $uploadedFile = $event->getFile();
  43.         $allowedImages = ['jpeg', 'gif', 'jpg', 'png'];
  44.         if (!in_array($uploadedFile->getExtension(), $allowedImages)) {
  45.             
  46.             return;
  47.         }
  48.         
  49.         $mimeInfo = getimagesize($uploadedFile->getRealPath());
  50.         $imageMimeType = $mimeInfo['mime'];
  51.         $optimizedFile = $this->compressImage($imageMimeType, $uploadedFile);
  52.         
  53.         if (true === $this->optimizer["remove_origin"]) {
  54.             unlink($uploadedFile->getRealPath());
  55.         }
  56.         
  57.         $event->setFile($optimizedFile);
  58.     }
  59.     
  60.     protected function compressImage(string $mimeType, File $originalFile): File
  61.     {
  62.         $quality = $this->optimizer["quality"];
  63.         switch ($mimeType) {
  64.             case 'image/png':
  65.                 $img = imagecreatefrompng($originalFile->getPathname());
  66.                 break;
  67.             case 'image/jpeg':
  68.                 $img = imagecreatefromjpeg($originalFile->getPathname());
  69.                 break;
  70.             case 'image/gif':
  71.                 $img = imagecreatefromgif($originalFile->getPathname());
  72.                 break;
  73.             default:
  74.                 $img = imagecreatefromjpeg($originalFile->getPathname());
  75.         }
  76.         
  77.         $name = str_replace("." . $originalFile->getExtension(), "", $originalFile->getFilename());
  78.         $newImagePath = sprintf("%s/%s-optimized.jpg", $originalFile->getPath(), $name);
  79.         if (false === imagejpeg($img, $newImagePath, $quality)) {
  80.             throw new \Exception("failed to optimized image.");
  81.         }
  82.         
  83.         return new File($newImagePath);
  84.     }
  86. }