3 namespace Drupal\Core\Routing\Enhancer;
5 use Symfony\Cmf\Component\Routing\RouteObjectInterface;
6 use Symfony\Component\HttpFoundation\Request;
7 use Symfony\Component\Routing\Route;
10 * Adds _entity_revision to the request attributes, if possible.
12 class EntityRevisionRouteEnhancer implements RouteEnhancerInterface {
17 public function applies(Route $route) {
18 // Check whether there is any entity revision parameter.
19 $parameters = $route->getOption('parameters') ?: [];
20 foreach ($parameters as $info) {
21 if (isset($info['type']) && strpos($info['type'], 'entity_revision:') === 0) {
31 public function enhance(array $defaults, Request $request) {
32 /** @var \Symfony\Component\Routing\Route $route */
33 $route = $defaults[RouteObjectInterface::ROUTE_OBJECT];
34 $options = $route->getOptions();
35 if (isset($options['parameters'])) {
36 foreach ($options['parameters'] as $name => $details) {
37 if (!empty($details['type']) && strpos($details['type'], 'entity_revision:') !== FALSE) {
38 $defaults['_entity_revision'] = $defaults[$name];