class EntityRevisionRouteEnhancer in Drupal 8

Adds _entity_revision to the request attributes, if possible.

Hierarchy

• class \Drupal\Core\Routing\Enhancer\EntityRevisionRouteEnhancer implements EnhancerInterface

1 file declares its use of EntityRevisionRouteEnhancer

EntityRevisionRouteEnhancerTest.php in core/tests/Drupal/Tests/Core/Enhancer/EntityRevisionRouteEnhancerTest.php

1 string reference to 'EntityRevisionRouteEnhancer'

core.services.yml in core/core.services.yml

core/core.services.yml

1 service uses EntityRevisionRouteEnhancer

route_enhancer.entity_revision in core/core.services.yml

Drupal\Core\Routing\Enhancer\EntityRevisionRouteEnhancer

File

core/lib/Drupal/Core/Routing/Enhancer/EntityRevisionRouteEnhancer.php, line 13

Namespace

Drupal\Core\Routing\Enhancer

class EntityRevisionRouteEnhancer implements EnhancerInterface {

  /**
   * Returns whether the enhancer runs on the current route.
   *
   * @param \Symfony\Component\Routing\Route $route
   *   The current route.
   *
   * @return bool
   */
  protected function applies(Route $route) {

    // Check whether there is any entity revision parameter.
    $parameters = $route
      ->getOption('parameters') ?: [];
    foreach ($parameters as $info) {
      if (isset($info['type']) && strpos($info['type'], 'entity_revision:') === 0) {
        return TRUE;
      }
    }
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public function enhance(array $defaults, Request $request) {

    /** @var \Symfony\Component\Routing\Route $route */
    $route = $defaults[RouteObjectInterface::ROUTE_OBJECT];
    if (!$this
      ->applies($route)) {
      return $defaults;
    }
    $options = $route
      ->getOptions();
    if (isset($options['parameters'])) {
      foreach ($options['parameters'] as $name => $details) {
        if (!empty($details['type']) && strpos($details['type'], 'entity_revision:') !== FALSE) {
          $defaults['_entity_revision'] = $defaults[$name];
          break;
        }
      }
    }
    return $defaults;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
EntityRevisionRouteEnhancer::applies	protected	function	Returns whether the enhancer runs on the current route.
EntityRevisionRouteEnhancer::enhance	public	function	Update the defaults based on its own data and the request.