class UniquePathAliasConstraintValidator

Same name and namespace in other branches
  1. 9 core/lib/Drupal/Core/Path/Plugin/Validation/Constraint/UniquePathAliasConstraintValidator.php \Drupal\Core\Path\Plugin\Validation\Constraint\UniquePathAliasConstraintValidator
  2. 8.9.x core/lib/Drupal/Core/Path/Plugin/Validation/Constraint/UniquePathAliasConstraintValidator.php \Drupal\Core\Path\Plugin\Validation\Constraint\UniquePathAliasConstraintValidator
  3. 11.x core/lib/Drupal/Core/Path/Plugin/Validation/Constraint/UniquePathAliasConstraintValidator.php \Drupal\Core\Path\Plugin\Validation\Constraint\UniquePathAliasConstraintValidator

Constraint validator for a unique path alias.

Hierarchy

Expanded class hierarchy of UniquePathAliasConstraintValidator

File

core/lib/Drupal/Core/Path/Plugin/Validation/Constraint/UniquePathAliasConstraintValidator.php, line 14

Namespace

Drupal\Core\Path\Plugin\Validation\Constraint
View on git.drupalcode.org
View source 
class UniquePathAliasConstraintValidator extends ConstraintValidator implements ContainerInjectionInterface {
  
  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;
  
  /**
   * Creates a new UniquePathAliasConstraintValidator instance.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
    $this->entityTypeManager = $entity_type_manager;
  }
  
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container->get('entity_type.manager'));
  }
  
  /**
   * {@inheritdoc}
   */
  public function validate($entity, Constraint $constraint) {
    /** @var \Drupal\path_alias\PathAliasInterface $entity */
    $path = $entity->getPath();
    $alias = $entity->getAlias();
    $langcode = $entity->language()
      ->getId();
    $storage = $this->entityTypeManager
      ->getStorage('path_alias');
    $query = $storage->getQuery()
      ->accessCheck(FALSE)
      ->condition('alias', $alias, '=')
      ->condition('langcode', $langcode, '=');
    if (!$entity->isNew()) {
      $query->condition('id', $entity->id(), '<>');
    }
    if ($path) {
      $query->condition('path', $path, '<>');
    }
    if ($result = $query->range(0, 1)
      ->execute()) {
      $existing_alias_id = reset($result);
      $existing_alias = $storage->load($existing_alias_id);
      if ($existing_alias->getAlias() !== $alias) {
        $this->context
          ->buildViolation($constraint->differentCapitalizationMessage, [
          '%alias' => $alias,
          '%stored_alias' => $existing_alias->getAlias(),
        ])
          ->addViolation();
      }
      else {
        $this->context
          ->buildViolation($constraint->message, [
          '%alias' => $alias,
        ])
          ->addViolation();
      }
    }
  }

}

Members

Title Modifiers Object type Summary Overriden Title
UniquePathAliasConstraintValidator::$entityTypeManager protected property The entity type manager.
UniquePathAliasConstraintValidator::create public static function Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create
UniquePathAliasConstraintValidator::validate public function
UniquePathAliasConstraintValidator::__construct public function Creates a new UniquePathAliasConstraintValidator instance.

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