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<?php |
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namespace Hateoas\Helper; |
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use Hateoas\Configuration\RelationsRepository; |
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use Hateoas\Configuration\Relation; |
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use Hateoas\Configuration\Route; |
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use Hateoas\Factory\LinkFactory; |
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/** |
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* @author William Durand <[email protected]> |
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*/ |
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class LinkHelper |
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{ |
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/** |
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* @var LinkFactory |
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*/ |
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private $linkFactory; |
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/** |
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* @var RelationsRepository |
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*/ |
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private $relationsRepository; |
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/** |
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* @param LinkFactory $linkFactory |
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* @param RelationsRepository $relationsRepository |
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*/ |
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public function __construct(LinkFactory $linkFactory, RelationsRepository $relationsRepository) |
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{ |
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$this->linkFactory = $linkFactory; |
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$this->relationsRepository = $relationsRepository; |
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} |
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/** |
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* @param object $object |
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* @param string $rel |
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* @param boolean $absolute |
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* |
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* @return string |
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*/ |
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public function getLinkHref($object, $rel, $absolute = false) |
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{ |
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foreach ($this->relationsRepository->getRelations($object) as $relation) { |
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if ($rel === $relation->getName()) { |
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$relation = $this->patchAbsolute($relation, $absolute); |
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if (null !== $link = $this->linkFactory->createLink($object, $relation)) { |
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return $link->getHref(); |
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} |
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} |
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} |
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return null; |
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} |
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private function patchAbsolute(Relation $relation, $absolute) |
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{ |
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$href = $relation->getHref(); |
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if ($href instanceof Route) { |
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$href = new Route( |
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$href->getName(), |
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$href->getParameters(), |
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$absolute, |
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$href->getGenerator() |
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); |
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} |
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return new Relation( |
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$relation->getName(), |
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$href, |
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$relation->getEmbedded(), |
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$relation->getAttributes(), |
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$relation->getExclusion() |
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); |
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} |
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} |
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willdurand /
Hateoas
