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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 Halapi\Annotation\Embeddable; |
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use Halapi\UrlGenerator\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 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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*/ |
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public function __construct( |
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Reader $annotationReader, |
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UrlGeneratorInterface $urlGenerator, |
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ObjectManager $objectManager |
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) { |
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$this->urlGenerator = $urlGenerator; |
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$this->annotationReader = $annotationReader; |
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$this->objectManager = $objectManager; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return '_links'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRelation($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($property->getName())) { |
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$identifier = $this->getIdentifier($relationContent); |
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return $this->urlGenerator->generate( |
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$this->getAssociationRouteName($property), |
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[$identifier => $this->getId($relationContent, $identifier)] |
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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 $resource |
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* |
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* @return array|null |
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*/ |
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private function getSelfLink($resource) |
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{ |
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if ($resource instanceof \Traversable) { |
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return; |
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} |
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$identifier = $this->getIdentifier($resource); |
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return [ |
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'self' => $this->urlGenerator->generate( |
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$this->getResourceRouteName($this->reflectionClass), |
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[$identifier => $this->getId($resource, $identifier)] |
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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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* Return the configured route name for an embeddable relation. |
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* |
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* @param \ReflectionProperty $property |
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* |
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* @return string |
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*/ |
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private function getAssociationRouteName(\ReflectionProperty $property) |
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{ |
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if ($routeName = $this->annotationReader->getPropertyAnnotation($property, Embeddable::class)->getRouteName()) { |
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return $routeName; |
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} |
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return $this->getResourceRouteName(new \ReflectionClass( |
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$this->classMetadata->getAssociationTargetClass($property->getName()) |
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)); |
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} |
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/** |
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* Return the configured route name for a resource, or get_*entityShortName* by default. |
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* |
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* @param \ReflectionClass $resource |
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* |
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* @return string |
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*/ |
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private function getResourceRouteName(\ReflectionClass $resource) |
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{ |
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if ($routeName = $this->annotationReader->getClassAnnotation($resource, Embeddable::class)->getRouteName()) { |
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return $routeName; |
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} |
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return 'get_'.strtolower($resource->getShortName()); |
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} |
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/** |
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* @param $resource |
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* |
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* @return mixed |
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*/ |
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private function getIdentifier($resource) |
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{ |
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$classMetadata = $this->objectManager->getClassMetadata(get_class($resource)); |
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return $classMetadata->getIdentifier()[0]; |
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} |
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private function getId($resource, $identifier) |
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{ |
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$id = new \ReflectionProperty($resource, $identifier); |
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if ($id->isPublic()) { |
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return $id; |
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} |
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$getter = 'get'.ucfirst($identifier); |
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$getterReflection = new \ReflectionMethod($resource, $getter); |
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if (method_exists($resource, $getter) && $getterReflection->isPublic()) { |
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return $resource->$getter(); |
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} |
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return; |
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} |
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} |
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BigZ /
Halapi
