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<?php |
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namespace Drupal\graphql\Controller; |
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use Drupal\Core\Cache\CacheableJsonResponse; |
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use Drupal\Core\DependencyInjection\ContainerInjectionInterface; |
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use Drupal\graphql\GraphQL\Execution\QueryProcessor; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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/** |
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* Handles GraphQL requests. |
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*/ |
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class RequestController implements ContainerInjectionInterface { |
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/** |
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* The query processor. |
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* |
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* @var \Drupal\graphql\GraphQL\Execution\QueryProcessor |
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*/ |
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protected $processor; |
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/** |
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* The service configuration parameters. |
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* |
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* @var array |
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*/ |
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protected $parameters; |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function create(ContainerInterface $container) { |
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return new static( |
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$container->get('graphql.query_processor'), |
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$container->getParameter('graphql.config') |
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); |
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} |
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/** |
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* RequestController constructor. |
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* |
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* @param \Drupal\graphql\GraphQL\Execution\QueryProcessor $processor |
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* The query processor. |
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* @param array $parameters |
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* The service configuration parameters. |
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*/ |
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public function __construct(QueryProcessor $processor, array $parameters) { |
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$this->processor = $processor; |
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$this->parameters = $parameters; |
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} |
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/** |
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* Handles graphql requests. |
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* |
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* @param string $schema |
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* The name of the schema. |
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* @param \GraphQL\Server\OperationParams|\GraphQL\Server\OperationParams[] $operations |
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* The graphql operation(s) to execute. |
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* |
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* @return \Drupal\Core\Cache\CacheableJsonResponse |
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* The JSON formatted response. |
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*/ |
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public function handleRequest($schema, $operations) { |
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$debug = !empty($this->parameters['development']); |
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if (is_array($operations)) { |
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return $this->handleBatch($schema, $operations, $debug); |
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} |
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return $this->handleSingle($schema, $operations, $debug); |
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} |
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/** |
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* @param $schema |
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* @param $operations |
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* @param bool $debug |
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* |
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* @return \Drupal\Core\Cache\CacheableJsonResponse |
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*/ |
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protected function handleSingle($schema, $operations, $debug = FALSE) { |
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$result = $this->processor->processQuery($schema, $operations, NULL, $debug); |
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$response = new CacheableJsonResponse($result); |
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$response->addCacheableDependency($result); |
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return $response; |
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} |
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/** |
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* @param $schema |
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* @param $operations |
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* @param bool $debug |
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* |
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* @return \Drupal\Core\Cache\CacheableJsonResponse |
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*/ |
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protected function handleBatch($schema, $operations, $debug = FALSE) { |
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$result = $this->processor->processQuery($schema, $operations, NULL, $debug); |
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$response = new CacheableJsonResponse($result); |
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// In case of a batch request, the result is an array. |
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$dependencies = is_array($operations) ? $result : [$result]; |
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foreach ($dependencies as $dependency) { |
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$response->addCacheableDependency($dependency); |
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} |
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return $response; |
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} |
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} |
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There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.