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<?php |
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/* |
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* This file is part of the API Platform project. |
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* |
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* (c) Kévin Dunglas <[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 ApiPlatform\Core\GraphQl\Resolver\Factory; |
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use ApiPlatform\Core\GraphQl\Resolver\Stage\ReadStageInterface; |
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use ApiPlatform\Core\GraphQl\Resolver\Stage\SecurityStageInterface; |
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use ApiPlatform\Core\GraphQl\Resolver\Stage\SerializeStageInterface; |
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use ApiPlatform\Core\GraphQl\Subscription\MercureSubscriptionIriGeneratorInterface; |
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use ApiPlatform\Core\GraphQl\Subscription\SubscriptionManagerInterface; |
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use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface; |
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use ApiPlatform\Core\Util\ClassInfoTrait; |
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use ApiPlatform\Core\Util\CloneTrait; |
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use GraphQL\Type\Definition\ResolveInfo; |
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/** |
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* Creates a function resolving a GraphQL subscription of an item. |
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* |
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* @experimental |
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* |
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* @author Alan Poulain <[email protected]> |
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*/ |
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final class ItemSubscriptionResolverFactory implements ResolverFactoryInterface |
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{ |
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use ClassInfoTrait; |
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use CloneTrait; |
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private $readStage; |
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private $securityStage; |
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private $serializeStage; |
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private $resourceMetadataFactory; |
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private $subscriptionManager; |
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private $mercureSubscriptionIriGenerator; |
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public function __construct(ReadStageInterface $readStage, SecurityStageInterface $securityStage, SerializeStageInterface $serializeStage, ResourceMetadataFactoryInterface $resourceMetadataFactory, SubscriptionManagerInterface $subscriptionManager, ?MercureSubscriptionIriGeneratorInterface $mercureSubscriptionIriGenerator) |
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{ |
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$this->readStage = $readStage; |
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$this->securityStage = $securityStage; |
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$this->serializeStage = $serializeStage; |
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$this->resourceMetadataFactory = $resourceMetadataFactory; |
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$this->subscriptionManager = $subscriptionManager; |
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$this->mercureSubscriptionIriGenerator = $mercureSubscriptionIriGenerator; |
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} |
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public function __invoke(?string $resourceClass = null, ?string $rootClass = null, ?string $operationName = null): callable |
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{ |
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return function (?array $source, array $args, $context, ResolveInfo $info) use ($resourceClass, $rootClass, $operationName) { |
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if (null === $resourceClass || null === $operationName) { |
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return null; |
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} |
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$resolverContext = ['source' => $source, 'args' => $args, 'info' => $info, 'is_collection' => false, 'is_mutation' => false, 'is_subscription' => true]; |
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$item = ($this->readStage)($resourceClass, $rootClass, $operationName, $resolverContext); |
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if (null !== $item && !\is_object($item)) { |
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throw new \LogicException('Item from read stage should be a nullable object.'); |
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} |
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($this->securityStage)($resourceClass, $operationName, $resolverContext + [ |
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'extra_variables' => [ |
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'object' => $item, |
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], |
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]); |
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$result = ($this->serializeStage)($item, $resourceClass, $operationName, $resolverContext); |
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$subscriptionId = $this->subscriptionManager->retrieveSubscriptionId($resolverContext, $result); |
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$resourceMetadata = $this->resourceMetadataFactory->create($resourceClass); |
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if ($subscriptionId && $resourceMetadata->getAttribute('mercure', false)) { |
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if (!$this->mercureSubscriptionIriGenerator) { |
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throw new \LogicException('Cannot use Mercure for subscriptions when MercureBundle is not installed. Try running "composer require mercure".'); |
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} |
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$result['mercureUrl'] = $this->mercureSubscriptionIriGenerator->generateMercureUrl($subscriptionId); |
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} |
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return $result; |
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}; |
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} |
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} |
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api-platform /
core
