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<?php |
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namespace Drupal\graphql\GraphQL\Execution; |
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use Drupal\Core\Cache\CacheableDependencyInterface; |
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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\Schema\SchemaLoader; |
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use Drupal\graphql\Plugin\GraphQL\SchemaPluginManager; |
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use Drupal\graphql\QueryProvider\QueryProviderInterface; |
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use GraphQL\Error\FormattedError; |
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use GraphQL\Error\UserError; |
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use GraphQL\GraphQL; |
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use GraphQL\Server\Helper; |
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use GraphQL\Server\OperationParams; |
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use GraphQL\Server\RequestError; |
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use GraphQL\Server\ServerConfig; |
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use GraphQL\Type\Definition\ResolveInfo; |
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class QueryProcessor { |
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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 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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* The schema plugin manager. |
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* |
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* @var \Drupal\graphql\Plugin\GraphQL\SchemaPluginManager |
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*/ |
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protected $pluginManager; |
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/** |
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* The server helper. |
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* |
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* @var \GraphQL\Server\Helper |
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*/ |
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protected $helper; |
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/** |
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* @var \Drupal\graphql\QueryProvider\QueryProviderInterface |
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*/ |
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private $queryProvider; |
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/** |
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* QueryProcessor constructor. |
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* |
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* @param \Drupal\graphql\Plugin\GraphQL\SchemaPluginManager $pluginManager |
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* The schema plugin manager. |
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* @param \Drupal\Core\Session\AccountProxyInterface $currentUser |
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* The current user. |
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* @param \Drupal\graphql\QueryProvider\QueryProviderInterface $queryProvider |
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* The query provider 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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SchemaPluginManager $pluginManager, |
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AccountProxyInterface $currentUser, |
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QueryProviderInterface $queryProvider, |
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array $parameters |
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) { |
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$this->pluginManager = $pluginManager; |
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$this->currentUser = $currentUser; |
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$this->queryProvider = $queryProvider; |
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$this->parameters = $parameters; |
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$this->helper = new Helper(); |
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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 $schema |
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* The name of the schema to execute. |
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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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* @param array $config |
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* |
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* @return \Drupal\graphql\GraphQL\Execution\QueryResult . |
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* The GraphQL query result. |
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*/ |
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public function processQuery($schema, $operations, array $config = []) { |
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$debug = !empty($this->parameters['development']); |
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// Load the plugin from the schema manager. |
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$plugin = $this->pluginManager->createInstance($schema); |
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$schema = $plugin->getSchema(); |
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// Create the server config. |
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$server = ServerConfig::create($config); |
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$server->setDebug($debug); |
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$server->setSchema($schema); |
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$server->setQueryBatching(TRUE); |
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$server->setPersistentQueryLoader(function ($id, OperationParams $operation) { |
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if ($query = $this->queryProvider->getQuery($id, $operation)) { |
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return $query; |
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} |
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throw new RequestError(sprintf("Failed to load query map for id '%s'.", $id)); |
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}); |
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if (is_array($operations)) { |
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$output = $this->helper->executeBatch($server, $operations); |
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} |
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else { |
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$output = $this->helper->executeOperation($server, $operations); |
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} |
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return new QueryResult($output->toArray($debug), new CacheableMetadata()); |
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} |
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} |
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