function book_node_presave

Implements hook_node_presave().

File

drupal/core/modules/book/book.module, line 811

Allows users to create and organize related content in an outline.

Code

function book_node_presave(EntityInterface $node) {

  // Always save a revision for non-administrators.
  if (!empty($node->book['bid']) && !user_access('administer nodes')) {
    $node
      ->setNewRevision();
  }

  // Make sure a new node gets a new menu link.
  if (empty($node->nid)) {
    $node->book['mlid'] = NULL;
  }
}