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trait ModerationStateJoinViewsHandlerTrait in Drupal 8

Same name and namespace in other branches
  1. 9 core/modules/content_moderation/src/Plugin/views/ModerationStateJoinViewsHandlerTrait.php \Drupal\content_moderation\Plugin\views\ModerationStateJoinViewsHandlerTrait
  2. 10 core/modules/content_moderation/src/Plugin/views/ModerationStateJoinViewsHandlerTrait.php \Drupal\content_moderation\Plugin\views\ModerationStateJoinViewsHandlerTrait

Assist views handler plugins to join to the content_moderation_state entity.

@internal

Hierarchy

3 files declare their use of ModerationStateJoinViewsHandlerTrait
ModerationStateField.php in core/modules/content_moderation/src/Plugin/views/field/ModerationStateField.php
ModerationStateFilter.php in core/modules/content_moderation/src/Plugin/views/filter/ModerationStateFilter.php
ModerationStateSort.php in core/modules/content_moderation/src/Plugin/views/sort/ModerationStateSort.php

File

core/modules/content_moderation/src/Plugin/views/ModerationStateJoinViewsHandlerTrait.php, line 12

Namespace

Drupal\content_moderation\Plugin\views
View source 
trait ModerationStateJoinViewsHandlerTrait {

  /**
   * {@inheritdoc}
   */
  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;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ModerationStateJoinViewsHandlerTrait::ensureMyTable public function