MediaConfigSubscriber.php

Same filename in other branches
  1. 9 core/modules/media/src/EventSubscriber/MediaConfigSubscriber.php
  2. 8.9.x core/modules/media/src/EventSubscriber/MediaConfigSubscriber.php
  3. 11.x core/modules/media/src/EventSubscriber/MediaConfigSubscriber.php

Namespace

Drupal\media\EventSubscriber

File

core/modules/media/src/EventSubscriber/MediaConfigSubscriber.php

View source
<?php

namespace Drupal\media\EventSubscriber;

use Drupal\Core\Cache\CacheTagsInvalidatorInterface;
use Drupal\Core\Config\ConfigCrudEvent;
use Drupal\Core\Config\ConfigEvents;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Routing\RouteBuilderInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Listens to the config save event for media.settings.
 */
class MediaConfigSubscriber implements EventSubscriberInterface {
    
    /**
     * The route builder.
     *
     * @var \Drupal\Core\Routing\RouteBuilderInterface
     */
    protected $routeBuilder;
    
    /**
     * The cache tags invalidator.
     *
     * @var \Drupal\Core\Cache\CacheTagsInvalidatorInterface
     */
    protected $cacheTagsInvalidator;
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * Constructs the MediaConfigSubscriber.
     *
     * @param \Drupal\Core\Routing\RouteBuilderInterface $router_builder
     *   The route builder.
     * @param \Drupal\Core\Cache\CacheTagsInvalidatorInterface $cache_tags_invalidator
     *   The cache tags invalidator.
     * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
     *   The entity type manager.
     */
    public function __construct(RouteBuilderInterface $router_builder, CacheTagsInvalidatorInterface $cache_tags_invalidator, EntityTypeManagerInterface $entity_type_manager) {
        $this->routeBuilder = $router_builder;
        $this->cacheTagsInvalidator = $cache_tags_invalidator;
        $this->entityTypeManager = $entity_type_manager;
    }
    
    /**
     * Updates entity type definitions and ensures routes are rebuilt when needed.
     *
     * @param \Drupal\Core\Config\ConfigCrudEvent $event
     *   The ConfigCrudEvent to process.
     */
    public function onSave(ConfigCrudEvent $event) {
        $saved_config = $event->getConfig();
        if ($saved_config->getName() === 'media.settings' && $event->isChanged('standalone_url')) {
            $this->cacheTagsInvalidator
                ->invalidateTags([
                // The configuration change triggers entity type definition changes,
                // which in turn triggers routes to appear or disappear.
                // @see media_entity_type_alter()
'entity_types',
                // The 'rendered' cache tag needs to be explicitly invalidated to ensure
                // that all links to Media entities are re-rendered. Ideally, this would
                // not be necessary; invalidating the 'entity_types' cache tag should be
                // sufficient. But that cache tag would then need to be on nearly
                // everything, resulting in excessive complexity. We prefer pragmatism.
'rendered',
            ]);
            // @todo Remove this when invalidating the 'entity_types' cache tag is
            // respected by the entity type plugin manager. See
            // https://www.drupal.org/project/drupal/issues/3001284 and
            // https://www.drupal.org/project/drupal/issues/3013659.
            $this->entityTypeManager
                ->clearCachedDefinitions();
            $this->routeBuilder
                ->setRebuildNeeded();
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public static function getSubscribedEvents() : array {
        $events[ConfigEvents::SAVE][] = [
            'onSave',
        ];
        return $events;
    }

}

Classes

Title Deprecated Summary
MediaConfigSubscriber Listens to the config save event for media.settings.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.