function ForumLeafConstraintValidator::validate

File

core/modules/forum/src/Plugin/Validation/Constraint/ForumLeafConstraintValidator.php, line 16

Class

ForumLeafConstraintValidator

Validates the ForumLeaf constraint.

Namespace

Code

public function validate($items, Constraint $constraint) {
  $item = $items->first();
  if (!isset($item)) {
    return NULL;
  }
  // Verify that a term has been selected.
  if (!$item->entity) {
    $this->context
      ->addViolation($constraint->selectForum);
  }
  // The forum_container flag must not be set.
  if (!empty($item->entity->forum_container->value)) {
    $this->context
      ->addViolation($constraint->noLeafMessage, [
      '%forum' => $item->entity
        ->getName(),
    ]);
  }
}