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<?php |
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/******************************************************************************* |
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* This file is part of the GraphQL Bundle package. |
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* |
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* (c) YnloUltratech <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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******************************************************************************/ |
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namespace Ynlo\GraphQLBundle\Form\DataTransformer; |
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use Doctrine\Common\Persistence\ObjectRepository; |
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use Symfony\Component\Form\DataTransformerInterface; |
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use Symfony\Component\Form\Exception\TransformationFailedException; |
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use Ynlo\GraphQLBundle\Model\NodeInterface; |
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use Ynlo\GraphQLBundle\Util\IDEncoder; |
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/** |
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* Class IDToNodeTransformer |
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*/ |
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class IDToNodeTransformer implements DataTransformerInterface |
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{ |
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/** |
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* @var ObjectRepository|null |
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*/ |
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protected $repository; |
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/** |
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* @var array |
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*/ |
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protected $findBy = []; |
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/** |
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* IDToNodeTransformer constructor. |
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* |
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* @param ObjectRepository $repository |
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* @param string|array $findBy |
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*/ |
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public function __construct(ObjectRepository $repository = null, $findBy = null) |
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{ |
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$this->repository = $repository; |
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$this->findBy = (array) $findBy; |
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} |
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/** |
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* Transforms an object (issue) to a string (number). |
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* |
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* @param NodeInterface|NodeInterface[] $node |
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* |
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* @return string|string[] |
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*/ |
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public function transform($node) |
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{ |
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if (!$node) { |
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return $node; |
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} |
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if (\is_array($node) || $node instanceof \Traversable) { |
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$ids = []; |
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/** @var array $node */ |
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foreach ($node as $n) { |
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$ids[] = $this->transform($n); |
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} |
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return $ids; |
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} |
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return IDEncoder::encode($node); |
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} |
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/** |
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* Transforms a string (id) to an object (node). |
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* |
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* @param string|string[]|mixed $globalId |
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* |
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* @return mixed |
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* |
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* @throws TransformationFailedException if object (issue) is not found. |
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*/ |
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public function reverseTransform($globalId) |
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{ |
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if (!$globalId || \is_object($globalId)) { |
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return $globalId; |
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} |
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if (\is_array($globalId)) { |
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$nodes = []; |
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/** @var array $globalId */ |
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foreach ($globalId as $id) { |
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$nodes[] = $this->reverseTransform($id); |
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} |
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return $nodes; |
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} |
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$node = IDEncoder::decode($globalId); |
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if (null === $node && $this->repository && $this->findBy) { |
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foreach ($this->findBy as $findBy) { |
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$node = $this->repository->findOneBy([$findBy => $globalId]); |
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if ($node) { |
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break; |
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} |
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} |
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} |
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if (null === $node) { |
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// causes a validation error |
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// this message is not shown to the user |
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// see the invalid_message option |
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throw new TransformationFailedException( |
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sprintf( |
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'An node with id "%s" does not exist!', |
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$globalId |
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) |
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); |
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} |
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return $node; |
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} |
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} |
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ynloultratech /
graphql-bundle
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