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<?php |
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namespace ScayTrase\Api\Cruds\Adaptors\DoctrineOrm; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use Doctrine\Common\Persistence\Mapping\ClassMetadata as ClassMetadataInterface; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\Mapping\ClassMetadata; |
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use Symfony\Component\Serializer\Normalizer\ObjectNormalizer; |
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class DoctrineObjectNormalizer extends ObjectNormalizer |
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{ |
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/** @var ManagerRegistry */ |
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private $registry; |
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public function setRegistry(ManagerRegistry $registry) |
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{ |
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$this->registry = $registry; |
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} |
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public function supportsNormalization($data, $format = null) |
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{ |
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return is_object($data) && null !== $this->registry->getManagerForClass(get_class($data)); |
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} |
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protected function getAttributeValue($object, $attribute, $format = null, array $context = []) |
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{ |
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$rawValue = parent::getAttributeValue($object, $attribute, $format, $context); |
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if (null === $rawValue) { |
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return null; |
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} |
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$metadata = $this->getObjectMetadata($object, $attribute); |
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if (null === $metadata) { |
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return $rawValue; |
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} |
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$assocMetadata = $this->getAssocMetadata($metadata, $attribute); |
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if ($metadata->isSingleValuedAssociation($attribute)) { |
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return $this->getAssociationValue($assocMetadata, $rawValue); |
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} |
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$result = []; |
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foreach ($rawValue as $item) { |
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$result[] = $this->getAssociationValue($assocMetadata, $item); |
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} |
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return $result; |
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} |
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protected function setAttributeValue($object, $attribute, $value, $format = null, array $context = []) |
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{ |
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if (null === $value) { |
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return parent::setAttributeValue($object, $attribute, $value, $format, $context); |
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} |
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$rawValue = $value; |
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$metadata = $this->getObjectMetadata($object, $attribute); |
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if (null === $metadata) { |
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return $rawValue; |
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} |
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$assocMetadata = $this->getAssocMetadata($metadata, $attribute); |
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$manager = $this->registry->getManagerForClass($assocMetadata->getName()); |
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if (null === $manager) { |
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throw new \LogicException('Unsupported class '.$assocMetadata->getName()); |
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} |
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if ($metadata->isSingleValuedAssociation($attribute)) { |
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$value = $this->getObjectByValue($manager, $assocMetadata, $rawValue); |
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return parent::setAttributeValue($object, $attribute, $value, $format, $context); |
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} |
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$objects = []; |
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foreach ($rawValue as $item) { |
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$objects[] = $this->getObjectByValue($manager, $assocMetadata, $item); |
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} |
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return parent::setAttributeValue($object, $attribute, new ArrayCollection($objects), $format, $context); |
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} |
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/** |
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* @param ObjectManager $manager |
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* @param ClassMetadataInterface $assocMetadata |
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* @param $rawValue |
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* |
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* @return object |
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*/ |
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protected function getObjectByValue(ObjectManager $manager, ClassMetadataInterface $assocMetadata, $rawValue) |
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{ |
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if ($manager instanceof EntityManagerInterface) { |
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return $manager->getReference($assocMetadata->getName(), $rawValue); |
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} |
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return $manager->find($assocMetadata->getName(), $rawValue); |
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} |
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/** |
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* @param $assocMetadata |
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* @param $rawValue |
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* |
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* @return mixed |
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*/ |
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private function getAssociationValue(ClassMetadataInterface $assocMetadata, $rawValue) |
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{ |
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$identifier = $assocMetadata->getIdentifierValues($rawValue); |
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if (!$assocMetadata instanceof ClassMetadata || $assocMetadata->isIdentifierComposite) { |
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return $identifier; |
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} |
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return array_shift($identifier); |
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} |
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private function getObjectMetadata($object, $attribute) |
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{ |
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$class = get_class($object); |
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$manager = $this->registry->getManagerForClass($class); |
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if (null === $manager) { |
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return null; |
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} |
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$metadata = $manager->getClassMetadata($class); |
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if (!$metadata->hasAssociation($attribute)) { |
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return null; |
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} |
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return $metadata; |
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} |
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private function getAssocMetadata(ClassMetadataInterface $metadata, $attribute) |
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{ |
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$assoc = $metadata->getAssociationTargetClass($attribute); |
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$assocManager = $this->registry->getManagerForClass($assoc); |
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if (null === $assocManager) { |
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throw new \LogicException( |
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$metadata->getName(). |
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'::$'. |
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$attribute. |
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' references non-existent managed entity' |
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); |
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} |
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return $assocManager->getClassMetadata($assoc); |
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} |
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} |
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php-rpc /
cruds
