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<?php |
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namespace Hateoas\Configuration\Provider; |
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use Hateoas\Configuration\Metadata\ClassMetadataInterface; |
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use Hateoas\Configuration\Provider\Resolver\RelationProviderResolverInterface; |
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use Metadata\MetadataFactoryInterface; |
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/** |
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* @author Adrien Brault <[email protected]> |
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*/ |
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class RelationProvider implements RelationProviderInterface |
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{ |
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/** |
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* @var MetadataFactoryInterface |
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*/ |
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private $metadataFactory; |
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/** |
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* @var RelationProviderResolverInterface |
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*/ |
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private $resolver; |
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public function __construct(MetadataFactoryInterface $metadataFactory, RelationProviderResolverInterface $resolver) |
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{ |
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$this->metadataFactory = $metadataFactory; |
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$this->resolver = $resolver; |
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} |
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public function getRelations($object) |
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{ |
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$classMetadata = $this->metadataFactory->getMetadataForClass(get_class($object)); |
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if (!$classMetadata instanceof ClassMetadataInterface) { |
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return array(); |
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} |
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$relations = array(); |
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foreach ($classMetadata->getRelationProviders() as $configuration) { |
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if (null === $relationProviderCallable = $this->resolver->getRelationProvider($configuration, $object)) { |
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continue; |
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} |
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if (!is_callable($relationProviderCallable)) { |
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throw new \RuntimeException('The returned relation provider is not callable, it should be.'); |
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} |
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$newRelations = call_user_func_array( |
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$relationProviderCallable, |
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array($object, $classMetadata) |
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); |
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if (is_array($newRelations)) { |
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$relations = array_merge($relations, $newRelations); |
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} |
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} |
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return $relations; |
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} |
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} |
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willdurand /
Hateoas
