/**
* @param ProductInterface $product
*
* @return object|\Sonata\MediaBundle\Model\MediaInterface
*/
protected function getGalleryForProduct(ProductInterface $product)
{
$galleryReference = sprintf("gallery_%s", $product->getSku());
if ($this->hasReference($galleryReference)) {
return $this->getReference($galleryReference);
}
$gallery = $this->getGalleryManager()->create();
$gallery->setName($product->getSlug());
$gallery->setEnabled(true);
$gallery->setDefaultFormat('product_catalog_preview');
$gallery->setContext('product_catalog');
$this->setReference($galleryReference, $gallery);
$this->getGalleryManager()->update($gallery);
$product->setGallery($gallery);
return $gallery;
}