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<?php |
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/* |
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* This file is part of the OverblogGraphQLBundle package. |
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* |
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* (c) Overblog <http://github.com/overblog/> |
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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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namespace Overblog\GraphQLBundle\Request; |
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use GraphQL\GraphQL; |
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use GraphQL\Schema; |
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use GraphQL\Validator\DocumentValidator; |
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use GraphQL\Validator\Rules\QueryComplexity; |
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use GraphQL\Validator\Rules\QueryDepth; |
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use Overblog\GraphQLBundle\Error\ErrorHandler; |
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use Overblog\GraphQLBundle\Event\Events; |
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use Overblog\GraphQLBundle\Event\ExecutorContextEvent; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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class Executor |
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{ |
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/** |
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* @var Schema[] |
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*/ |
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private $schemas; |
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/** |
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* @var EventDispatcherInterface|null |
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*/ |
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private $dispatcher; |
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/** @var bool */ |
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private $throwException; |
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/** @var ErrorHandler|null */ |
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private $errorHandler; |
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public function __construct(EventDispatcherInterface $dispatcher = null, $throwException = false, ErrorHandler $errorHandler = null) |
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{ |
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$this->dispatcher = $dispatcher; |
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$this->throwException = (bool) $throwException; |
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$this->errorHandler = $errorHandler; |
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} |
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public function addSchema($name, Schema $schema) |
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{ |
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$this->schemas[$name] = $schema; |
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return $this; |
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} |
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public function setMaxQueryDepth($maxQueryDepth) |
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{ |
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/** @var QueryDepth $queryDepth */ |
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$queryDepth = DocumentValidator::getRule('QueryDepth'); |
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$queryDepth->setMaxQueryDepth($maxQueryDepth); |
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} |
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public function setMaxQueryComplexity($maxQueryComplexity) |
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{ |
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/** @var QueryComplexity $queryComplexity */ |
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$queryComplexity = DocumentValidator::getRule('QueryComplexity'); |
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$queryComplexity->setMaxQueryComplexity($maxQueryComplexity); |
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} |
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/** |
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* @param bool $throwException |
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* |
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* @return $this |
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*/ |
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public function setThrowException($throwException) |
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{ |
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$this->throwException = (bool) $throwException; |
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return $this; |
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} |
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public function execute(array $data, array $context = [], $schemaName = null) |
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{ |
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if (null !== $this->dispatcher) { |
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$event = new ExecutorContextEvent($context); |
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$this->dispatcher->dispatch(Events::EXECUTOR_CONTEXT, $event); |
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$context = $event->getExecutorContext(); |
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} |
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$schema = $this->getSchema($schemaName); |
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$executionResult = GraphQL::executeAndReturnResult( |
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$schema, |
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isset($data[ParserInterface::PARAM_QUERY]) ? $data[ParserInterface::PARAM_QUERY] : null, |
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$context, |
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$context, |
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$data[ParserInterface::PARAM_VARIABLES], |
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isset($data[ParserInterface::PARAM_OPERATION_NAME]) ? $data[ParserInterface::PARAM_OPERATION_NAME] : null |
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); |
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if (null !== $this->errorHandler) { |
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$this->errorHandler->handleErrors($executionResult, $this->throwException); |
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} |
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return $executionResult; |
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} |
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/** |
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* @param string|null $name |
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* |
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* @return Schema |
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*/ |
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public function getSchema($name = null) |
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{ |
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if (empty($this->schemas)) { |
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throw new \RuntimeException('At least one schema should be declare.'); |
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} |
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if (null === $name) { |
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$schema = array_values($this->schemas)[0]; |
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} else { |
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if (!isset($this->schemas[$name])) { |
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throw new NotFoundHttpException(sprintf('Could not found "%s" schema.', $name)); |
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} |
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$schema = $this->schemas[$name]; |
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} |
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return $schema; |
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} |
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} |
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overblog /
GraphQLBundle
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.