www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/path/src/Plugin/Validation/Constraint/PathAliasConstraintValidator.php

   1 <?php
   2
   3 namespace Drupal\path\Plugin\Validation\Constraint;
   4
   5 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
   6 use Drupal\Core\Entity\EntityTypeManagerInterface;
   7 use Symfony\Component\DependencyInjection\ContainerInterface;
   8 use Symfony\Component\Validator\Constraint;
   9 use Symfony\Component\Validator\ConstraintValidator;
  10
  11 /**
  12  * Constraint validator for changing path aliases in pending revisions.
  13  */
  14 class PathAliasConstraintValidator extends ConstraintValidator implements ContainerInjectionInterface {
  15
  16   /**
  17    * The entity type manager.
  18    *
  19    * @var \Drupal\Core\Entity\EntityTypeManagerInterface
  20    */
  21   private $entityTypeManager;
  22
  23   /**
  24    * Creates a new PathAliasConstraintValidator instance.
  25    *
  26    * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
  27    *   The entity type manager.
  28    */
  29   public function __construct(EntityTypeManagerInterface $entity_type_manager) {
  30     $this->entityTypeManager = $entity_type_manager;
  31   }
  32
  33   /**
  34    * {@inheritdoc}
  35    */
  36   public static function create(ContainerInterface $container) {
  37     return new static(
  38       $container->get('entity_type.manager')
  39     );
  40   }
  41
  42   /**
  43    * {@inheritdoc}
  44    */
  45   public function validate($value, Constraint $constraint) {
  46     $entity = !empty($value->getParent()) ? $value->getEntity() : NULL;
  47
  48     if ($entity && !$entity->isNew() && !$entity->isDefaultRevision()) {
  49       /** @var \Drupal\Core\Entity\ContentEntityInterface $original */
  50       $original = $this->entityTypeManager->getStorage($entity->getEntityTypeId())->loadUnchanged($entity->id());
  51       if ($value->alias != $original->path->alias) {
  52         $this->context->addViolation($constraint->message);
  53       }
  54     }
  55   }
  56
  57 }