public function BookOutlineStorage::getBookSubtree in Drupal 10

Same name and namespace in other branches

1. 8 core/modules/book/src/BookOutlineStorage.php \Drupal\book\BookOutlineStorage::getBookSubtree()
2. 9 core/modules/book/src/BookOutlineStorage.php \Drupal\book\BookOutlineStorage::getBookSubtree()

File

core/modules/book/src/BookOutlineStorage.php, line 188

Class

BookOutlineStorage

Defines a storage class for books outline.

Namespace

Drupal\book

Code

public function getBookSubtree($link, $max_depth) {
  $query = $this->connection
    ->select('book', 'b', [
    'fetch' => \PDO::FETCH_ASSOC,
  ]);
  $query
    ->fields('b');
  $query
    ->condition('b.bid', $link['bid']);
  for ($i = 1; $i <= $max_depth && $link["p{$i}"]; ++$i) {
    $query
      ->condition("p{$i}", $link["p{$i}"]);
  }
  for ($i = 1; $i <= $max_depth; ++$i) {
    $query
      ->orderBy("p{$i}");
  }
  return $query
    ->execute();
}