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<?php
namespace App\Form\DataTransformer;
use App\Entity\Item;
use App\Repository\Exception\ItemNotFoundException;
use App\Repository\ItemRepository;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
use Ramsey\Uuid\UuidInterface;
use Ramsey\Uuid\Uuid;
use Ramsey\Uuid\Exception\InvalidUuidStringException;
class UuidToItemTransformer implements DataTransformerInterface
{
private $itemRepository;
public function __construct(ItemRepository $itemRepository)
$this->itemRepository = $itemRepository;
}
/**
* Transforms an object (item) to a UuidInterface
*
* @param Item|null $item
* @return UuidInterface|string
*/
public function reverseTransform($item)
if (null === $item) {
return '';
return $item->getId();
* Transforms a UuidInterface to an object (Item).
* @param string|null $itemId
* @return Item|null
* @throws TransformationFailedException if object (Item) is not found.
public function transform($itemId)
if (!$itemId) {
return null;
try {
$item = $this->itemRepository->getItem(Uuid::fromString($itemId));
} catch (ItemNotFoundException $e) {
throw new TransformationFailedException(sprintf('Item "%s" not found !', $itemId));
} catch (InvalidUuidStringException $e) {
throw new TransformationFailedException(sprintf('Invalid UUID "%s" !', $itemId));
return $item;
johnykvsky /
spisywarka
