public function save()
 {
     foreach ($this->getValues() as $k => $v) {
         if (0 !== strpos($k, 'photo_')) {
             continue;
         }
         if (empty($v['file'])) {
             continue;
         }
         $file = new File();
         $file->setFromValidatedFile($v['file']);
         if (empty($v['description'])) {
             $description = $file->getName();
         } else {
             $description = $v['description'];
         }
         $albumImage = new AlbumImage();
         $albumImage->setAlbum($this->albumInstance);
         $albumImage->setFile($file);
         $albumImage->setDescription($description);
         $albumImage->save();
     }
 }