<?php namespace App\Form; use App\Entity\Siege; use Doctrine\ORM\EntityManagerInterface; use Ramsey\Uuid\Lazy\LazyUuidFromString; use Symfony\Component\Form\DataTransformerInterface; use Symfony\Component\Form\Exception\TransformationFailedException; class EntityToIdTransformer implements DataTransformerInterface { /** * @var EntityManagerInterface */ protected $objectManager; /** * @var string */ protected $class; public function __construct(EntityManagerInterface $objectManager, $class) { $this->objectManager = $objectManager; $this->class = $class; } public function transform($entity) { if (1 === $entity && Siege::class == $this->class) { return $this->objectManager ->getRepository($this->class) ->getTheOne(); } if (null === $entity) { return; } if (!is_object($entity)) { $entityO = $this->objectManager ->getRepository($this->class) ->find($entity); if (null === $entityO) { throw new TransformationFailedException(); } return $entityO; } if ($entity instanceof LazyUuidFromString) { return $entity->toString(); } return $entity->getId(); } public function reverseTransform($id) { if (!$id) { return null; } $entity = $this->objectManager ->getRepository($this->class) ->find($id); if (null === $entity) { throw new TransformationFailedException(); } return $entity; } }