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<?php |
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namespace Drupal\graphql\GraphQL\Execution; |
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use Drupal\Core\Cache\Cache; |
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use Drupal\Core\Cache\CacheableMetadata; |
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use Drupal\Core\Session\AccountProxyInterface; |
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use Drupal\graphql\GraphQL\Reducers\ReducerManager; |
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use Drupal\graphql\GraphQL\Schema\SchemaLoader; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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use Youshido\GraphQL\Schema\AbstractSchema; |
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/** |
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* Drupal service for executing GraphQL queries. |
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*/ |
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class QueryProcessor { |
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/** |
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* The dependency injection container. |
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* |
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* @var \Symfony\Component\DependencyInjection\ContainerInterface |
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*/ |
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protected $container; |
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/** |
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* The current user account. |
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* |
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* @var \Drupal\Core\Session\AccountProxyInterface |
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*/ |
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protected $currentUser; |
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/** |
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* The schema loader service. |
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* |
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* @var \Drupal\graphql\GraphQL\Schema\SchemaLoader |
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*/ |
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protected $schemaLoader; |
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/** |
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* The graphql container 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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* QueryProcessor constructor. |
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* |
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* @param \Symfony\Component\DependencyInjection\ContainerInterface $container |
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* The dependency injection container. |
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* @param \Drupal\Core\Session\AccountProxyInterface $currentUser |
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* The current user. |
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* @param \Drupal\graphql\GraphQL\Schema\SchemaLoader $schemaLoader |
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* The schema loader service. |
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* @param array $parameters |
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* The graphql container parameters. |
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*/ |
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public function __construct( |
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ContainerInterface $container, |
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SchemaLoader $schemaLoader, |
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AccountProxyInterface $currentUser, |
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array $parameters |
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) { |
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$this->container = $container; |
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$this->currentUser = $currentUser; |
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$this->parameters = $parameters; |
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$this->schemaLoader = $schemaLoader; |
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} |
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/** |
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* Execute a GraphQL query. |
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* |
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* @param string $schemaId |
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* The name of the schema to process the query against. |
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* @param string $query |
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* The GraphQL query. |
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* @param array $variables |
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* The query variables. |
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* @param bool $bypassSecurity |
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* Bypass field security |
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* |
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* @return \Drupal\graphql\GraphQL\Execution\QueryResult. |
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* The GraphQL query result. |
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*/ |
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public function processQuery($schemaId, $query, array $variables = [], $bypassSecurity = FALSE) { |
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if (!$schema = $this->schemaLoader->getSchema($schemaId)) { |
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throw new \InvalidArgumentException(sprintf('Could not load schema %s', [$schemaId])); |
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} |
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/** @var \Youshido\GraphQL\Schema\AbstractSchema $schema */ |
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$secure = !!($bypassSecurity || $this->currentUser->hasPermission('bypass graphql field security') || $this->parameters['development']); |
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$processor = new Processor($this->container, $schema, $secure); |
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$processor->processPayload($query, $variables); |
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// Add collected cache metadata from the query processor. |
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$metadata = new CacheableMetadata(); |
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$context = $processor->getExecutionContext(); |
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$container = $context->getContainer(); |
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if ($container->has('metadata')) { |
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$metadata->addCacheableDependency($container->get('metadata')); |
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} |
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// Add cache metadata from the schema in use. |
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/** @var \Drupal\graphql\Plugin\GraphQL\SchemaPluginInterface $schema */ |
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$metadata->addCacheableDependency($schema->getResponseCacheMetadata()); |
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// Prevent caching if this is a mutation query. |
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$request = $context->getRequest(); |
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if (!empty($request) && $request->hasMutations()) { |
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$metadata->setCacheMaxAge(0); |
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} |
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return new QueryResult($processor->getResponseData(), $metadata); |
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} |
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} |
drupal-graphql /
graphql
