public function UserMailRequiredValidator::validate in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/user/src/Plugin/Validation/Constraint/UserMailRequiredValidator.php \Drupal\user\Plugin\Validation\Constraint\UserMailRequiredValidator::validate()

File

core/modules/user/src/Plugin/Validation/Constraint/UserMailRequiredValidator.php, line 20

Class

UserMailRequiredValidator

Checks if the user's email address is provided if required.

Namespace

Drupal\user\Plugin\Validation\Constraint

Code

public function validate($items, Constraint $constraint) {

  /** @var \Drupal\Core\Field\FieldItemListInterface $items */

  /* @var \Drupal\user\UserInterface $account */
  $account = $items
    ->getEntity();
  if (!isset($account)) {
    return;
  }
  $existing_value = NULL;

  // Only validate for existing user.
  if (!$account
    ->isNew()) {
    $account_unchanged = \Drupal::entityTypeManager()
      ->getStorage('user')
      ->loadUnchanged($account
      ->id());
    $existing_value = $account_unchanged
      ->getEmail();
  }
  $required = !(!$existing_value && \Drupal::currentUser()
    ->hasPermission('administer users'));
  if ($required && (!isset($items) || $items
    ->isEmpty())) {
    $this->context
      ->addViolation($constraint->message, [
      '@name' => $account
        ->getFieldDefinition('mail')
        ->getLabel(),
    ]);
  }
}