function facets_entity_predelete in Facets 8

Implements hook_entity_predelete().

We implement this hook to make sure that facet source plugins are cleared when a view is deleted. It also deletes facets that are created on those plugins.

File

./facets.module, line 152

Contains facets.module.

Code

function facets_entity_predelete(EntityInterface $entity) {
  if ($entity instanceof View) {
    $facet_source_plugin_manager = \Drupal::getContainer()
      ->get('plugin.manager.facets.facet_source');
    $definitions = $facet_source_plugin_manager
      ->getDefinitions();
    if (!is_array($definitions)) {
      return;
    }
    foreach ($definitions as $plugin_id => $definition) {
      if (strpos($plugin_id, 'search_api:' . $entity
        ->id() . '__') !== FALSE) {
        try {
          $facetManager = \Drupal::getContainer()
            ->get('facets.manager');
        } catch (ServiceNotFoundException $e) {
          \Drupal::logger('facets')
            ->log(RfcLogLevel::DEBUG, 'Facet manager not found on trying to delete a view.');
          return;
        }
        $facets = $facetManager
          ->getFacetsByFacetSourceId($plugin_id);
        foreach ($facets as $facet) {
          $facet
            ->delete();
        }
      }
    }

    // Clear cached plugin definitions for facet source to make sure we don't
    // show stale data.
    $facet_source_plugin_manager
      ->clearCachedDefinitions();
  }
}