SubrequestSubscriber.php in GraphQL 8.3

Namespace

Drupal\graphql\EventSubscriber

File

src/EventSubscriber/SubrequestSubscriber.php

<?php

namespace Drupal\graphql\EventSubscriber;

use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;

/**
 * Remap artificial requests to subrequest extraction controller.
 */
class SubrequestSubscriber implements EventSubscriberInterface {

  /**
   * Handle kernel request events.
   *
   * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
   *   The kernel event object.
   */
  public function onKernelRequest(GetResponseEvent $event) {
    $request = $event
      ->getRequest();
    if ($request->attributes
      ->has('_graphql_subrequest')) {
      $request->attributes
        ->set('_graphql_controller', $request->attributes
        ->get('_controller'));
      $request->attributes
        ->set('_controller', '\\Drupal\\graphql\\Controller\\SubrequestExtractionController:extract');
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    return [
      KernelEvents::REQUEST => 'onKernelRequest',
    ];
  }

}

Classes

Name	Description
SubrequestSubscriber	Remap artificial requests to subrequest extraction controller.