Chamilo\CoreBundle\Form\DataTransformer\ResourceToIdentifierTransformer

Complexity

Total Complexity

6

Size/Duplication

Total Lines	52
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	reverseTransform()	0	17	3
A	__construct()	0	4	1
A	transform()	0	10	2

<?php

namespace Chamilo\CoreBundle\Form\DataTransformer;

//use Sylius\Component\Resource\Repository\RepositoryInterface;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
use Symfony\Component\PropertyAccess\PropertyAccess;
use Webmozart\Assert\Assert;

final class ResourceToIdentifierTransformer implements DataTransformerInterface
{
    /** @var RepositoryInterface */
    private $repository;

    /** @var string */
    private $identifier;

    /**
     * @param string $identifier
     */
    public function __construct($repository, ?string $identifier = null)
    {
        $this->repository = $repository;
        $this->identifier = $identifier ?? 'id';
    }

    /**
     * {@inheritdoc}
     */
    public function transform($value)
    {
        if (null === $value) {
            return null;
        }

        /** @psalm-suppress ArgumentTypeCoercion */
        Assert::isInstanceOf($value, $this->repository->getClassName());

        return PropertyAccess::createPropertyAccessor()->getValue($value, $this->identifier);
    }

    /**
     * {@inheritdoc}
     */
    public function reverseTransform($value)
    {
        if (null === $value) {
            return null;
        }

        $resource = $this->repository->findOneBy([$this->identifier => $value]);
        if (null === $resource) {
            throw new TransformationFailedException(sprintf(
                'Object "%s" with identifier "%s"="%s" does not exist.',
                $this->repository->getClassName(),
                $this->identifier,
                $value
            ));
        }

        return $resource;
    }
}