Returns the most recent revision of a specific entity referencing the file.

Parameters

\Drupal\Core\Entity\FieldableEntityInterface $entity: The entity to do the query for.

\Drupal\file\FileInterface $file: The file entity.

Return value

\Drupal\Core\Entity\FieldableEntityInterface|null A revision referencing that file, if there is any.

1 call to FileReferenceResolver::getReferencingRevision()

FileReferenceResolver::getReferences in core/modules/file/src/FileReferenceResolver.php

Retrieves a list of references to a file.

File

core/modules/file/src/FileReferenceResolver.php, line 224

Class

FileReferenceResolver

Retrieves file references.

Namespace

Drupal\file

Code

protected function getReferencingRevision(FieldableEntityInterface $entity, FileInterface $file) : ?FieldableEntityInterface {
  $storage = $this->entityTypeManager
    ->getStorage($entity->getEntityTypeId());
  assert($storage instanceof RevisionableStorageInterface);
  $entity_type = $this->entityTypeManager
    ->getDefinition($entity->getEntityTypeId());
  $query = $storage->getQuery()
    ->accessCheck(FALSE)
    ->allRevisions()
    ->condition($entity_type->getKey('id'), $entity->id());
  $fields_condition = $query->orConditionGroup();
  foreach ($this->getFileReferenceFields($entity) as $field_name => $field_column) {
    $fields_condition->condition($field_name . '.' . $field_column, $file->id());
  }
  $results = $query->condition($fields_condition)
    ->sort($entity_type->getKey('revision'), 'DESC')
    ->range(0, 1)
    ->execute();
  if ($results) {
    return $storage->loadRevision(key($results));
  }
  return NULL;
}

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