function ModerationStateJoinViewsHandlerTrait::ensureMyTable

File

core/modules/content_moderation/src/Plugin/views/ModerationStateJoinViewsHandlerTrait.php, line 17

Class

ModerationStateJoinViewsHandlerTrait

Assist views handler plugins to join to the content_moderation_state entity.

Namespace

Code

public function ensureMyTable() {
  if (!isset($this->tableAlias)) {
    $table_alias = $this->query
      ->ensureTable($this->table, $this->relationship);
    // Join the moderation states of the content via the
    // ContentModerationState field revision table, joining either the entity
    // field data or revision table. This allows filtering states against
    // either the default or latest revision, depending on the relationship of
    // the filter.
    $left_entity_type = $this->entityTypeManager
      ->getDefinition($this->getEntityType());
    $entity_type = $this->entityTypeManager
      ->getDefinition('content_moderation_state');
    $configuration = [
      'table' => $entity_type->getRevisionDataTable(),
      'field' => 'content_entity_revision_id',
      'left_table' => $table_alias,
      'left_field' => $left_entity_type->getKey('revision'),
      'extra' => [
        [
          'field' => 'content_entity_type_id',
          'value' => $left_entity_type->id(),
        ],
        [
          'field' => 'content_entity_id',
          'left_field' => $left_entity_type->getKey('id'),
        ],
      ],
    ];
    if ($left_entity_type->isTranslatable()) {
      $configuration['extra'][] = [
        'field' => $entity_type->getKey('langcode'),
        'left_field' => $left_entity_type->getKey('langcode'),
      ];
    }
    $join = Views::pluginManager('join')->createInstance('standard', $configuration);
    $this->tableAlias = $this->query
      ->addRelationship('content_moderation_state', $join, 'content_moderation_state_field_revision');
  }
  return $this->tableAlias;
}