function BookManager::deleteFromBook

Deletes node's entry from book table.

Parameters

int $nid: The nid to delete.

Overrides BookManagerInterface::deleteFromBook

File

core/modules/book/src/BookManager.php, line 520

Class

BookManager

Defines a book manager.

Namespace

Code

public function deleteFromBook($nid) {
  $original = $this->loadBookLink($nid, FALSE);
  $this->bookOutlineStorage
    ->delete($nid);
  if ($nid == $original['bid']) {
    // Handle deletion of a top-level post.
    $result = $this->bookOutlineStorage
      ->loadBookChildren($nid);
    $children = $this->entityTypeManager
      ->getStorage('node')
      ->loadMultiple(array_keys($result));
    foreach ($children as $child) {
      $child->book['bid'] = $child->id();
      $this->updateOutline($child);
    }
  }
  $this->updateOriginalParent($original);
  $this->books = NULL;
  Cache::invalidateTags([
    'bid:' . $original['bid'],
  ]);
}