Support Inline Block references from layout builder fields #3300925

    }));

    // Get entities fro specific fields.

    $fields = $entity->getFieldDefinitions();

    $fields = method_exists($entity, 'getFieldDefinitions') ? $entity->getFieldDefinitions() : [];

    // Recursive call for each paragraphs.

    $paragraph_fields = array_filter($fields, function ($field_definition) {

      return $field_definition->getType() == 'entity_reference_revisions';

    // Recursive call for specific entity_reference.

    $entity_reference_fields = ['entity_reference', 'entity_reference_revisions', 'layout_section'];

    $entity_fields = array_filter($fields, function ($field_definition) use ($entity_reference_fields) {

      return in_array($field_definition->getType(), $entity_reference_fields);

    });

    foreach (array_keys($paragraph_fields) as $field_name) {

      foreach ($entity->get($field_name)->referencedEntities() as $paragraph) {

        $ids = array_merge($ids, $this->extractEntityIdsFromEntity($entity_type_id, $paragraph));

    foreach (array_keys($entity_fields) as $field_name) {

      // Skip. Field disappeared.

      if (!$entity->hasField($field_name)) {

        continue;

      }

      $items = $entity->get($field_name);

      switch ($items->getFieldDefinition()->getType()) {

        case 'layout_section':

          // Get inline block references from Layout Builder.

          $referenced_entities = [];

          foreach ($items->getSections() as $section) {

            foreach ($section->getComponents() as $component) {

              $plugin = $component->getPlugin();

              switch ($plugin->getBaseId()) {

                case 'inline_block':

                  $revision_id = $plugin->getConfiguration()['block_revision_id'];

                  $this->referencedIds['block_content'] += [$revision_id];

                  break;

                default:

                  // @todo What should we do if plugin unknown?

                  break;

              }

            }

          }

          break;

        default:

          // Safely get referenced entities.

          $referenced_entities = method_exists($items, 'referencedEntities') ? $items->referencedEntities() : [];

          break;

      }

      foreach ($referenced_entities as $referenced_entity) {

        $ids = array_merge($ids, $this->extractEntityIdsFromEntity($entity_type_id, $referenced_entity));

      }

    }