OverrideUserMailRequiredValidator.php in Administer Users by Role 8.2

Namespace

Drupal\administerusersbyrole\Constraint

File

src/Constraint/OverrideUserMailRequiredValidator.php

<?php

namespace Drupal\administerusersbyrole\Constraint;

use Drupal\user\Plugin\Validation\Constraint\UserMailRequiredValidator;
use Symfony\Component\Validator\Constraint;

/**
 * Checks if the user's email address is provided if required.
 *
 * The user mail field is NOT required if account originally had no mail set
 * and the user performing the edit has permission to set empty user mail.
 * This allows users without email address to be edited and deleted.
 */
class OverrideUserMailRequiredValidator extends UserMailRequiredValidator {

  /**
   * {@inheritdoc}
   */
  public function validate($items, Constraint $constraint) {

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

    /** @var \Drupal\user\UserInterface $account */
    $account = $items
      ->getEntity();
    $existing_value = NULL;
    if ($account
      ->id()) {
      $account_unchanged = \Drupal::entityManager()
        ->getStorage('user')
        ->loadUnchanged($account
        ->id());
      $existing_value = $account_unchanged
        ->getEmail();
    }
    $has_permission = \Drupal::currentUser()
      ->hasPermission('administer users') || \Drupal::currentUser()
      ->hasPermission('allow empty user mail');
    $required = !(!$existing_value && $has_permission);
    if ($required && (!isset($items) || $items
      ->isEmpty())) {
      $this->context
        ->addViolation($constraint->message, [
        '@name' => $account
          ->getFieldDefinition('mail')
          ->getLabel(),
      ]);
    }
  }

}

Classes

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