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<?php |
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namespace Halapi\Relation; |
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use Doctrine\Common\Collections\Collection; |
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use Doctrine\Common\Persistence\Mapping\ClassMetadata; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use Doctrine\Common\Annotations\Reader; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
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/** |
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* Class LinksRelation. |
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* |
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* @author Romain Richard |
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*/ |
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class LinksRelation extends AbstractRelation implements RelationInterface |
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{ |
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/** |
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* @var UrlGeneratorInterface |
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*/ |
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private $urlGenerator; |
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/** |
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* @var ObjectManager |
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*/ |
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private $objectManager; |
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/** |
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* @var RequestStack |
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*/ |
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private $requestStack; |
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/** |
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* @var ClassMetadata |
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*/ |
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private $classMetadata; |
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/** |
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* @var \ReflectionClass |
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*/ |
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private $reflectionClass; |
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/** |
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* AbstractRelation constructor. |
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* |
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* @param Reader $annotationReader |
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* @param UrlGeneratorInterface $urlGenerator |
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* @param ObjectManager $objectManager |
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* @param RequestStack $requestStack |
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*/ |
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public function __construct( |
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Reader $annotationReader, |
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UrlGeneratorInterface $urlGenerator, |
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ObjectManager $objectManager, |
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RequestStack $requestStack |
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) { |
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$this->urlGenerator = $urlGenerator; |
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$this->annotationReader = $annotationReader; |
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$this->objectManager = $objectManager; |
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$this->requestStack = $requestStack; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return '_links'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRelation($resource) |
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{ |
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$this->classMetadata = $this->objectManager->getClassMetadata(get_class($resource)); |
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$this->reflectionClass = new \ReflectionClass($resource); |
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$links = $this->getSelfLink($resource); |
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foreach ($this->reflectionClass->getProperties() as $property) { |
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if ($this->isEmbeddable($property) && $property->getName()) { |
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$propertyName = $property->getName(); |
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$relationContent = $resource->{'get'.ucfirst($propertyName)}(); |
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if ($relationContent) { |
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$links[$propertyName] = $this->getRelationLinks($property, $relationContent); |
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} |
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} |
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} |
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return $links; |
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} |
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/** |
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* @param \ReflectionProperty $property |
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* @param object $relationContent |
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* |
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* @return string|null |
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* |
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* @throws \Doctrine\ORM\Mapping\MappingException |
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*/ |
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private function getRelationLink(\ReflectionProperty $property, $relationContent) |
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{ |
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if ($this->classMetadata->hasAssociation($property->getName())) { |
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$targetClass = $this->classMetadata->getAssociationTargetClass($property->getName()); |
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$shortName = strtolower((new \ReflectionClass($targetClass))->getShortName()); |
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return $this->urlGenerator->generate( |
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'get_'.$shortName, |
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[$shortName => $this->getEntityId($relationContent)] |
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); |
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} |
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} |
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/** |
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* Get the url of an entity based on the 'get_entity' route pattern. |
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* |
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* @param $resource |
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* @param \ReflectionClass $reflectionClass |
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* |
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* @return array|null |
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*/ |
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private function getSelfLink($resource) |
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{ |
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if ($resource instanceof \Traversable) { |
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return; |
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} |
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return [ |
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'self' => $this->urlGenerator->generate( |
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'get_'.strtolower($this->reflectionClass->getShortName()), |
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[strtolower($this->reflectionClass->getShortName()) => $this->getEntityId($resource)] |
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), |
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]; |
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} |
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/** |
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* Get the links of a collection. |
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* |
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* @param \ReflectionProperty $property |
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* @param $relationContent |
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* |
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* @return array|void |
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*/ |
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private function getRelationLinks(\ReflectionProperty $property, $relationContent) |
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{ |
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if ($relationContent instanceof Collection) { |
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$links = []; |
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foreach ($relationContent as $relation) { |
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$links[] = $this->getRelationLink($property, $relation); |
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} |
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return $links; |
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} |
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return $this->getRelationLink($property, $relationContent); |
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} |
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/** |
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* Returns entity single identifier. |
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* This is a compatibility-limiting feature as it will not be able to get the identity |
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* of an entity which has multiple identifiers. |
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* |
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* @param $entity |
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*/ |
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private function getEntityId($entity) |
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{ |
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$identifier = $this->classMetadata->getIdentifier()[0]; |
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$getter = 'get'.ucfirst($identifier); |
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return $entity->$getter(); |
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} |
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} |
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This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italy
is not defined by the methodfinale(...)
.The most likely cause is that the parameter was removed, but the annotation was not.