class ConfigSubscriber in Search API Solr 8.2

Provides a ConfigSubscriber that adds language-specific Solr Field Types.

Whenever a new language is enabled this EventSubscriber installs all available Solr Field Types for that language.

Hierarchy

• class \Drupal\search_api_solr\EventSubscriber\ConfigSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

1 string reference to 'ConfigSubscriber'

search_api_solr.services.yml in ./search_api_solr.services.yml

search_api_solr.services.yml

1 service uses ConfigSubscriber

search_api_solr.config_subscriber in ./search_api_solr.services.yml

Drupal\search_api_solr\EventSubscriber\ConfigSubscriber

File

src/EventSubscriber/ConfigSubscriber.php, line 16

Namespace

Drupal\search_api_solr\EventSubscriber

class ConfigSubscriber implements EventSubscriberInterface {

  /**
   * @var \Drupal\Core\Config\ConfigInstallerInterface
   */
  protected $configInstaller;

  /**
   * @param \Drupal\Core\Config\ConfigInstallerInterface $configInstaller
   *   The Config Installer.
   */
  public function __construct(ConfigInstallerInterface $configInstaller) {
    $this->configInstaller = $configInstaller;
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[ConfigEvents::SAVE][] = [
      'onConfigSave',
    ];
    return $events;
  }

  /**
   * Installs all available Solr Field Types for a new language.
   *
   * @param \Drupal\Core\Config\ConfigCrudEvent $event
   */
  public function onConfigSave(ConfigCrudEvent $event) {
    $saved_config = $event
      ->getConfig();
    if (preg_match('@^language\\.entity\\.(.+)@', $saved_config
      ->getName(), $matches) && $matches[1] != 'und') {
      $restrict_by_dependency = [
        'module' => 'search_api_solr',
      ];

      // installOptionalConfig will not replace existing configs and it contains
      // a dependency check so we need not perform any checks ourselves.
      $this->configInstaller
        ->installOptionalConfig(NULL, $restrict_by_dependency);
    }

    // @todo alert to trigger new config when an index is added => context
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ConfigSubscriber::$configInstaller	protected	property
ConfigSubscriber::getSubscribedEvents	public static	function	Returns an array of event names this subscriber wants to listen to.
ConfigSubscriber::onConfigSave	public	function	Installs all available Solr Field Types for a new language.
ConfigSubscriber::__construct	public	function