/**
* Remove Material from Multimedia Object
*/
public function removeMaterialFromMultimediaObject(MultimediaObject $multimediaObject, $materialId)
{
$material = $multimediaObject->getMaterialById($materialId);
$materialPath = $material->getPath();
$multimediaObject->removeMaterialById($materialId);
$this->dm->persist($multimediaObject);
$this->dm->flush();
if ($this->forceDeleteOnDisk && $materialPath) {
$this->deleteFileOnDisk($materialPath);
}
return $multimediaObject;
}