public function CommentFormController::validate

Overrides Drupal\Core\Entity\EntityFormController::validate().

Overrides EntityFormController::validate

File

drupal/core/modules/comment/lib/Drupal/comment/CommentFormController.php, line 233

Definition of Drupal\comment\CommentFormController.

Class

CommentFormController

Base for controller for comment forms.

Namespace

Code

public function validate(array $form, array &$form_state) {
  parent::validate($form, $form_state);
  if (!empty($form_state['values']['cid'])) {

    // Verify the name in case it is being changed from being anonymous.
    $account = user_load_by_name($form_state['values']['name']);
    $form_state['values']['uid'] = $account ? $account->uid : 0;
    $date = new DrupalDateTime($form_state['values']['date']);
    if ($date
      ->hasErrors()) {
      form_set_error('date', t('You have to specify a valid date.'));
    }
    if ($form_state['values']['name'] && !$form_state['values']['is_anonymous'] && !$account) {
      form_set_error('name', t('You have to specify a valid author.'));
    }
  }
  elseif ($form_state['values']['is_anonymous']) {

    // Validate anonymous comment author fields (if given). If the (original)
    // author of this comment was an anonymous user, verify that no registered
    // user with this name exists.
    if ($form_state['values']['name']) {
      $query = db_select('users', 'u');
      $query
        ->addField('u', 'uid', 'uid');
      $taken = $query
        ->condition('name', db_like($form_state['values']['name']), 'LIKE')
        ->countQuery()
        ->execute()
        ->fetchField();
      if ($taken) {
        form_set_error('name', t('The name you used belongs to a registered user.'));
      }
    }
  }
}