/**
* Check if this could mean an image document was modified (check resource,
* file and image).
*
* @param LifecycleEventArgs $args
*/
private function invalidateCache(LifecycleEventArgs $args)
{
$object = $args->getObject();
// If we hear about the Resource which is nested in a File, we get the
// parent. instanceof can handle the case where Resource is not a known
// class - the condition will just be false in that case.
if ($object instanceof Resource) {
$object = $object->getParent();
}
if (!$object instanceof ImageInterface) {
return;
}
if (null === $this->request) {
// do not fail on CLI
return;
}
foreach ($this->filters as $filter) {
$path = $this->manager->resolve($this->mediaManager->getUrlSafePath($object), $filter);
if ($path instanceof RedirectResponse) {
$path = $path->getTargetUrl();
}
// TODO: this might not be needed https://github.com/liip/LiipImagineBundle/issues/162
if (false !== strpos($path, $filter)) {
$path = substr($path, strpos($path, $filter) + strlen($filter));
}
$this->manager->remove($path, $filter);
}
}
/**
* Generates a display URL from the given image.
*
* @param MediaInterface $file
* @param array $options
* @param Boolean|string $referenceType The type of reference (one of the constants in UrlGeneratorInterface)
*
* @return string The generated URL
*/
protected function displayUrl(MediaInterface $file, array $options = array(), $referenceType = UrlGeneratorInterface::ABSOLUTE_PATH)
{
$urlSafePath = $this->mediaManager->getUrlSafePath($file);
if ($this->imagineHelper && isset($options['imagine_filter']) && is_string($options['imagine_filter'])) {
return $this->imagineHelper->filter($urlSafePath, $options['imagine_filter'], !empty($options['runtime_config']) ? $options['runtime_config'] : array());
}
return $this->generator->generate('cmf_media_image_display', array('path' => $urlSafePath), $referenceType);
}
