function BookUninstallValidator::hasBookNodes

Same name in other branches
  1. 9 core/modules/book/src/BookUninstallValidator.php \Drupal\book\BookUninstallValidator::hasBookNodes()
  2. 10 core/modules/book/src/BookUninstallValidator.php \Drupal\book\BookUninstallValidator::hasBookNodes()
  3. 11.x core/modules/book/src/BookUninstallValidator.php \Drupal\book\BookUninstallValidator::hasBookNodes()

Determines if there is any book nodes or not.

Return value

bool TRUE if there are book nodes, FALSE otherwise.

1 call to BookUninstallValidator::hasBookNodes()
BookUninstallValidator::validate in core/modules/book/src/BookUninstallValidator.php
Determines the reasons a module can not be uninstalled.

File

core/modules/book/src/BookUninstallValidator.php, line 84

Class

BookUninstallValidator
Prevents book module from being uninstalled whilst any book nodes exist or there are any book outline stored.

Namespace

Drupal\book

Code

protected function hasBookNodes() {
    $nodes = $this->entityTypeManager
        ->getStorage('node')
        ->getQuery()
        ->condition('type', 'book')
        ->accessCheck(FALSE)
        ->range(0, 1)
        ->execute();
    return !empty($nodes);
}

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