Fi\CoreBundle\Form\DataTransformer\EntityToIdTransformer

Complexity

Total Complexity

6

Size/Duplication

Total Lines	39
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	transform()	0	6	2
A	reverseTransform()	0	12	3

<?php

namespace Fi\CoreBundle\Form\DataTransformer;

use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
use Doctrine\Common\Persistence\ObjectManager;

class EntityToIdTransformer implements DataTransformerInterface
{

    /**
     * @var ObjectManager
     */
    protected $objectManager;

    /**
     * @var string
     */
    protected $class;

    public function __construct(ObjectManager $objectManager, $class)
    {
        $this->objectManager = $objectManager;
        $this->class = $class;
    }

    public function transform($entity)
    {
        if (null === $entity) {
            return;
        }
        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;
    }
}