public function EntityReferenceFilterViewResult::getCacheTags in Views Reference Filter 8

The cache tags associated with this object.

When this object is modified, these cache tags will be invalidated.

Return value

string[] A set of cache tags.

Overrides FilterPluginBase::getCacheTags

File

src/Plugin/views/filter/EntityReferenceFilterViewResult.php, line 706

Class

EntityReferenceFilterViewResult

Filter by entity id using items got from the another view..

Namespace

Drupal\entityreference_filter\Plugin\views\filter

Code

public function getCacheTags() {

  // Adds entityreference view base entity as cache tag.
  $reference_display = $this->options['reference_display'] ?? FALSE;
  if ($reference_display) {
    [
      $view_name,
    ] = explode(':', $reference_display);

    /** @var \Drupal\views\Entity\View $config */
    $config = $this->viewStorage
      ->load($view_name);
    if ($config && $config instanceof View) {
      $definitions = $this->entityTypeManager
        ->getDefinitions();
      foreach ($definitions as $definition) {
        $base_table_view = $config
          ->get('base_table');
        if ($definition instanceof ContentEntityTypeInterface) {
          $base_table_entity = $definition
            ->getDataTable();
          if (!$base_table_entity) {
            $base_table_entity = $definition
              ->getBaseTable();
          }
          if ($base_table_entity === $base_table_view) {
            return $definition
              ->getListCacheTags();
          }
        }
      }
    }
  }
  return parent::getCacheTags();
}