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ImageService.php (2114B)

      1 <?php
      2 
      3 namespace PartKeepr\ImageBundle\Services;
      4 
      5 use Doctrine\ORM\EntityManager;
      6 use PartKeepr\ImageBundle\Entity\CachedImage;
      7 use PartKeepr\UploadedFileBundle\Entity\UploadedFile;
      8 use PartKeepr\UploadedFileBundle\Services\UploadedFileService;
      9 use Symfony\Component\HttpFoundation\File\File;
     10 
     11 class ImageService extends UploadedFileService
     12 {
     13     /**
     14      * {@inheritdoc}
     15      */
     16     public function replaceFromFilesystem(UploadedFile $file, File $filesystemFile)
     17     {
     18         parent::replaceFromFilesystem($file, $filesystemFile);
     19         $this->invalidate($file);
     20     }
     21 
     22     /**
     23      * Invalidates any cached files.
     24      *
     25      * @param UploadedFile $file The file to invalidate
     26      */
     27     public function invalidate(UploadedFile $file)
     28     {
     29         /**
     30          * @var EntityManager
     31          */
     32         $entityManager = $this->container->get('doctrine')->getManager();
     33         $queryBuilder = $entityManager->createQueryBuilder();
     34         $queryBuilder->select(['c'])
     35             ->from('PartKeepr\ImageBundle\Entity\CachedImage', 'c')
     36             ->where('c.originalId = :id')
     37             ->andWhere('c.originalType = :type')
     38             ->setParameter('id', $file->getId())
     39             ->setParameter('type', $file->getType());
     40 
     41         $query = $queryBuilder->getQuery();
     42 
     43         foreach ($query->getResult() as $file) {
     44             /**
     45              * @var CachedImage
     46              */
     47             if (file_exists($file->getCacheFile())) {
     48                 unlink($file->getCacheFile());
     49             }
     50             $entityManager->remove($file);
     51         }
     52     }
     53 
     54     /**
     55      * Checks if the system can handle the given mime type as image. Currently hardcoded for GD.
     56      *
     57      * @param $mimeType The mime type to check
     58      *
     59      * @return bool True if the system can display images of the given mimetype, false otherwise
     60      */
     61     public function canHandleMimetype($mimeType)
     62     {
     63         switch ($mimeType) {
     64             case 'image/jpeg':
     65             case 'image/png':
     66             case 'image/gif':
     67                 return true;
     68             default:
     69                 return false;
     70         }
     71     }
     72 }