class MerciBundleUninstallValidator in MERCI (Manage Equipment Reservations, Checkout and Inventory) 8.2

Prevents forum module from being uninstalled whilst any forum nodes exist or there are any terms in the forum vocabulary.

Hierarchy

• class \Drupal\merci\MerciBundleUninstallValidator implements ModuleUninstallValidatorInterface uses StringTranslationTrait

File

src/MerciBundleUninstallValidator.php, line 22

Contains \Drupal\merci\MerciBundleUninstallValidator.

Namespace

Drupal\merci

class MerciBundleUninstallValidator implements ModuleUninstallValidatorInterface {
  use StringTranslationTrait;

  /**
   * The field storage config storage.
   *
   * @var \Drupal\Core\Config\Entity\ConfigEntityStorageInterface
   */
  protected $vocabularyStorage;

  /**
   * The entity query factory.
   *
   * @var \Drupal\Core\Entity\Query\QueryFactory
   */
  protected $queryFactory;

  /**
   * The config factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $configFactory;

  /**
   * Constructs a new ForumUninstallValidator.
   *
   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
   *   The entity manager.
   * @param \Drupal\Core\Entity\Query\QueryFactory $query_factory
   *   The entity query factory.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *  The config factory.
   * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
   *   The string translation service.
   */
  public function __construct(EntityManagerInterface $entity_manager, QueryFactory $query_factory, ConfigFactoryInterface $config_factory, TranslationInterface $string_translation) {
    $this->vocabularyStorage = $entity_manager
      ->getStorage('taxonomy_vocabulary');
    $this->queryFactory = $query_factory;
    $this->configFactory = $config_factory;
    $this->stringTranslation = $string_translation;
  }

  /**
   * {@inheritdoc}
   */
  public function validate($module) {
    $reasons = [];
    return $reasons;
  }

  /**
   * Determines if there are any forum nodes or not.
   *
   * @return bool
   *   TRUE if there are forum nodes, FALSE otherwise.
   */
  protected function hasContent($bundle, $entity_type = 'node') {
    $nodes = $this->queryFactory
      ->get($entity_type)
      ->condition('type', $bundle)
      ->accessCheck(FALSE)
      ->range(0, 1)
      ->execute();
    return !empty($nodes);
  }

  /**
   * Determines if there are any taxonomy terms for a specified vocabulary.
   *
   * @param \Drupal\taxonomy\VocabularyInterface $vocabulary
   *   The vocabulary to check for terms.
   *
   * @return bool
   *   TRUE if there are terms for this vocabulary, FALSE otherwise.
   */
  protected function hasTermsForVocabulary(VocabularyInterface $vocabulary) {
    $terms = $this->queryFactory
      ->get('taxonomy_term')
      ->condition('vid', $vocabulary
      ->id())
      ->accessCheck(FALSE)
      ->range(0, 1)
      ->execute();
    return !empty($terms);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
MerciBundleUninstallValidator::$configFactory	protected	property	The config factory.
MerciBundleUninstallValidator::$queryFactory	protected	property	The entity query factory.
MerciBundleUninstallValidator::$vocabularyStorage	protected	property	The field storage config storage.
MerciBundleUninstallValidator::hasContent	protected	function	Determines if there are any forum nodes or not.
MerciBundleUninstallValidator::hasTermsForVocabulary	protected	function	Determines if there are any taxonomy terms for a specified vocabulary.
MerciBundleUninstallValidator::validate	public	function	Determines the reasons a module can not be uninstalled. Overrides ModuleUninstallValidatorInterface::validate
MerciBundleUninstallValidator::__construct	public	function	Constructs a new ForumUninstallValidator.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.