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<?php |
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/* |
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* This file is part of the Silverback API Components Bundle Project |
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* |
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* (c) Daniel West <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Silverback\ApiComponentsBundle\HttpCache; |
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use ApiPlatform\Api\IriConverterInterface; |
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use ApiPlatform\Api\ResourceClassResolverInterface; |
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use ApiPlatform\Api\UrlGeneratorInterface; |
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use ApiPlatform\Exception\InvalidArgumentException; |
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use ApiPlatform\Exception\OperationNotFoundException; |
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use ApiPlatform\Exception\RuntimeException; |
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use ApiPlatform\HttpCache\PurgerInterface; |
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use ApiPlatform\Metadata\GetCollection; |
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use Doctrine\ORM\PersistentCollection; |
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class HttpCachePurger implements ResourceChangedPropagatorInterface |
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{ |
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private array $tags; |
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public function __construct( |
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private readonly IriConverterInterface $iriConverter, |
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private readonly ResourceClassResolverInterface $resourceClassResolver, |
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private readonly PurgerInterface $httpCachePurger, |
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) { |
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$this->reset(); |
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} |
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public function add(object $item, ?string $type = null): void |
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{ |
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if (!is_iterable($item)) { |
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$this->collectResource($item); |
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return; |
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} |
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if ($item instanceof PersistentCollection) { |
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$item = clone $item; |
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} |
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foreach ($item as $i) { |
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$this->collectResource($i); |
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} |
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} |
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public function collectResource($entity): void |
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{ |
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if (null === $entity) { |
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return; |
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} |
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try { |
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$resourceClass = $this->resourceClassResolver->getResourceClass($entity); |
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// collect cache of any collections being fetched |
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$resourceIri = $this->iriConverter->getIriFromResource($resourceClass, UrlGeneratorInterface::ABS_PATH, (new GetCollection())->withClass($resourceClass)); |
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$this->collectIri($resourceIri); |
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// clear cache of anything containing this item |
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$this->collectItem($entity); |
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} catch (OperationNotFoundException|InvalidArgumentException $e) { |
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} |
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} |
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private function collectItem($item): void |
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{ |
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try { |
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$iri = $this->iriConverter->getIriFromResource($item); |
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$this->collectIri($iri); |
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} catch (InvalidArgumentException|RuntimeException $e) { |
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} |
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} |
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private function collectIri($iri): void |
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{ |
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if (!\in_array($iri, $this->tags, true)) { |
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$this->tags[$iri] = $iri; |
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} |
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} |
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public function propagate(): void |
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{ |
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if (empty($this->tags)) { |
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return; |
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} |
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$this->httpCachePurger->purge(array_values($this->tags)); |
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$this->reset(); |
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} |
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public function reset(): void |
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{ |
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$this->tags = []; |
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} |
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} |
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components-web-app /
api-components-bundle
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