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<?php namespace Pz\Doctrine\Rest\Traits; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\ORM\Mapping\ClassMetadataInfo; |
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use Pz\Doctrine\Rest\Exceptions\RestException; |
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use Pz\Doctrine\Rest\RestRepository; |
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trait CanHydrate |
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{ |
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/** |
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* @return RestRepository |
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*/ |
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abstract public function repository(); |
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/** |
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* @param string|object $entity |
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* @param array $data |
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* @param string $scope |
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* |
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* @return object |
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* @throws RestException |
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*/ |
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public function hydrateEntity($entity, array $data, $scope = 'root') |
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{ |
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$entity = is_object($entity) ? $entity : new $entity; |
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if (!isset($data['attributes']) || !is_array($data['attributes'])) { |
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throw RestException::missingAttributes($scope); |
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} |
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$entity = $this->hydrateAttributes($entity, $data['attributes'], $scope); |
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if (isset($data['relationships']) && is_array($data['relationships'])) { |
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$entity = $this->hydrateRelationships($entity, $data['relationships'], $scope); |
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} |
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return $entity; |
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} |
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/** |
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* @param $entity |
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* @param array $attributes |
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* @param string $scope |
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* |
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* @return mixed |
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* @throws RestException |
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*/ |
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private function hydrateAttributes($entity, array $attributes, $scope = 'root') |
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{ |
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$metadata = $this->repository()->getClassMetadata(); |
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foreach ($attributes as $name => $value) { |
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if (!isset($metadata->reflFields[$name])) { |
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throw RestException::unknownAttribute(sprintf('%s.attribute.%s', $scope, $name)); |
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} |
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$this->setProperty($entity, $name, $value); |
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} |
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return $entity; |
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} |
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/** |
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* @param $entity |
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* @param array $relationships |
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* @param $scope |
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* |
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* @return mixed |
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* @throws RestException |
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*/ |
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private function hydrateRelationships($entity, array $relationships, $scope) |
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{ |
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$metadata = $this->repository()->getClassMetadata(); |
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foreach ($relationships as $name => $data) { |
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$relationScope = sprintf('%s.relation.%s', $scope, $name); |
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if (!isset($metadata->associationMappings[$name])) { |
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throw RestException::unknownRelation($relationScope); |
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} |
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$mapping = $metadata->associationMappings[$name]; |
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if (!isset($data['data'])) { |
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throw RestException::missingData($relationScope); |
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} |
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$this->hydrateRelation($entity, $name, $mapping, $data['data'], $relationScope); |
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} |
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return $entity; |
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} |
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/** |
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* Hydrate one relation. |
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* |
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* @param object $entity |
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* @param string $name Relation name |
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* @param array $mapping Doctrine relation target mapping |
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* @param mixed $data |
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* @param string $scope |
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* |
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* @return object |
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* @throws RestException |
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*/ |
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private function hydrateRelation($entity, $name, $mapping, $data, $scope) |
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{ |
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$mappingClass = $mapping['targetEntity']; |
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if (in_array($mapping['type'], [ClassMetadataInfo::ONE_TO_ONE, ClassMetadataInfo::MANY_TO_ONE])) { |
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$this->setProperty($entity, $name, |
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$this->hydrateRelationData($mappingClass, $data, $scope) |
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); |
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} |
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if (in_array($mapping['type'], [ClassMetadataInfo::ONE_TO_MANY, ClassMetadataInfo::MANY_TO_MANY])) { |
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if (!is_array($data)) { |
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throw RestException::missingData($scope); |
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} |
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$this->setProperty($entity, $name, |
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new ArrayCollection(array_map( |
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function($data, $index) use ($mappingClass, $scope) { |
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return $this->hydrateRelationData( |
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$mappingClass, $data, sprintf('%s.%s', $scope, $index) |
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); |
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}, |
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$data |
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)) |
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); |
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} |
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return $entity; |
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} |
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/** |
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* @param string $class |
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* @param mixed $data |
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* @param string $scope |
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* |
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* @return object |
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* @throws RestException |
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* @throws \Doctrine\ORM\ORMException |
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*/ |
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private function hydrateRelationData($class, $data, $scope) |
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{ |
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if (is_scalar($data)) { |
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return $this->repository()->getEntityManager()->getReference($class, $data); |
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} |
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if (!is_array($data)) { |
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throw RestException::missingData($scope); |
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} |
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if (isset($data['id']) && isset($data['type'])) { |
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return $this->repository()->getEntityManager()->getReference($class, $data['id']); |
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} else { |
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return $this->hydrateEntity($class, $data, $scope); |
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} |
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} |
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/** |
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* Set property on entity object. |
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* |
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* @param object $entity |
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* @param string $name |
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* @param mixed $value |
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* |
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* @return object |
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* @throws RestException |
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*/ |
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4 |
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private function setProperty($entity, $name, $value) |
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{ |
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$setter = 'set' . ucfirst($name); |
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if (!method_exists($entity, $setter)) { |
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throw RestException::createUnprocessable(sprintf('Setter not found for entity')); |
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} |
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return $entity->$setter($value); |
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} |
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} |
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R3VoLuT1OneR /
doctrine-rest
