/**
* Copy image to temporary directory
*
* @param FilterDataEvent $event
* @return void
*/
public function preSetData(FormEvent $event)
{
$entity = $event->getData();
if ($entity instanceof ImageInterface && null !== $entity->getId()) {
try {
$this->imageManager->copyImagesToTemporaryDirectory($entity);
} catch (\Gaufrette\Exception\FileNotFound $e) {
$event->setData(null);
}
}
}
/**
* Checks if images is modified by some other user
*
* @param ImageInterface $entity
* @param string $hash
* @throws FileHashChangedException
*/
protected function checksum(ImageInterface $entity)
{
$currentHash = $this->imageManager->checksumTemporaryFileByName($entity->getName());
if ($entity->getHash() !== $currentHash) {
throw new FileHashChangedException($entity->getName());
}
}
/**
* Copy images from permenent to temporary directory
*
* @param FormEvent $event
*/
public function postSetData(FormEvent $event)
{
$collection = $event->getData();
$form = $event->getForm();
if ($collection instanceof PersistentCollection) {
foreach ($collection as $key => $image) {
if ($image instanceof MultiImageInterface && null !== $image->getId()) {
try {
$this->imageManager->copyImagesToTemporaryDirectory($image);
} catch (\Gaufrette\Exception\FileNotFound $e) {
$form->remove($key);
$collection->removeElement($image);
}
}
}
}
}