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entity_reference_revisions.views.inc in Entity Reference Revisions 8

Provides views data for the entity_reference_revisions module.

File

entity_reference_revisions.views.inc
View source
<?php

/**
 * @file
 * Provides views data for the entity_reference_revisions module.
 */
use Drupal\field\FieldStorageConfigInterface;

/**
 * Implements hook_field_views_data().
 */
function entity_reference_revisions_field_views_data(FieldStorageConfigInterface $field_storage) {
  $data = views_field_default_views_data($field_storage);
  $entity_manager = \Drupal::entityTypeManager();
  foreach ($data as $table_name => $table_data) {

    // Add a relationship to the target entity type.
    $target_entity_type_id = $field_storage
      ->getSetting('target_type');
    $target_entity_type = $entity_manager
      ->getDefinition($target_entity_type_id);
    $entity_type_id = $field_storage
      ->getTargetEntityTypeId();
    $entity_type = $entity_manager
      ->getDefinition($entity_type_id);
    $target_base_table = $target_entity_type
      ->getDataTable() ?: $target_entity_type
      ->getBaseTable();
    $field_name = $field_storage
      ->getName();

    // Provide a relationship for the entity type with the entity reference
    // revisions field.
    $args = array(
      '@label' => $target_entity_type
        ->getLabel(),
      '@field_name' => $field_name,
    );
    $data[$table_name][$field_name]['relationship'] = array(
      'title' => t('@label referenced from @field_name', $args),
      'label' => t('@field_name: @label', $args),
      'group' => $entity_type
        ->getLabel(),
      'help' => t('Appears in: @bundles.', array(
        '@bundles' => implode(', ', $field_storage
          ->getBundles()),
      )),
      'id' => 'standard',
      'base' => $target_base_table,
      'entity type' => $target_entity_type_id,
      'base field' => $target_entity_type
        ->getKey('revision'),
      'relationship field' => $field_name . '_target_revision_id',
    );

    // Provide a reverse relationship for the entity type that is referenced by
    // the field.
    $args['@entity'] = $entity_type
      ->getLabel();
    $args['@label'] = $target_entity_type
      ->getSingularLabel();
    $pseudo_field_name = 'reverse__' . $entity_type_id . '__' . $field_name;

    /** @var \Drupal\Core\Entity\Sql\DefaultTableMapping $table_mapping */
    $table_mapping = $entity_manager
      ->getStorage($entity_type_id)
      ->getTableMapping();
    $data[$target_base_table][$pseudo_field_name]['relationship'] = array(
      'title' => t('@entity using @field_name', $args),
      'label' => t('@field_name', array(
        '@field_name' => $field_name,
      )),
      'group' => $target_entity_type
        ->getLabel(),
      'help' => t('Relate each @entity with a @field_name set to the @label.', $args),
      'id' => 'entity_reverse',
      'base' => $entity_type
        ->getDataTable() ?: $entity_type
        ->getBaseTable(),
      'entity_type' => $entity_type_id,
      'base field' => $entity_type
        ->getKey('revision'),
      'field_name' => $field_name,
      'field table' => $table_mapping
        ->getDedicatedDataTableName($field_storage),
      'field field' => $field_name . '_target_revision_id',
      'join_extra' => array(
        array(
          'field' => 'deleted',
          'value' => 0,
          'numeric' => TRUE,
        ),
      ),
    );
  }
  return $data;
}