function signup_form_validate_username in Signup 7

Same name and namespace in other branches

1. 5.2 signup.module \signup_form_validate_username()
2. 6.2 includes/signup_form.inc \signup_form_validate_username()
3. 6 includes/signup_form.inc \signup_form_validate_username()

Validates the username on the admin form to signup another user.

Parameters

array $form: Form array for the username field.

array $form_state: The form state array containing node ID of the node the user is being signed up for.

1 string reference to 'signup_form_validate_username'

signup_form in includes/signup_form.inc

Build the user signup form.

File

includes/signup_form.inc, line 186

Code for the form when users sign up.

Code

function signup_form_validate_username($form, $form_state) {
  $nid = $form_state['values']['nid'];
  $username = $form_state['values']['signup_username'];
  $accounts = user_load_multiple(array(), array(
    'name' => $username,
  ));
  foreach ($accounts as $account) {
    if (empty($account)) {
      form_set_error('signup_username', t('User %user_name does not exist.', array(
        '%user_name' => $username,
      )));
    }
    elseif ((bool) db_query_range("SELECT 1 FROM {signup_log} WHERE uid = :uid AND nid = :nid", 0, 1, array(
      ':uid' => $account->uid,
      ':nid' => $nid,
    ))
      ->fetchField() > 0) {
      $node = node_load($nid);
      form_set_error('signup_username', t('User !user is already signed up for %title', array(
        '!user' => theme('username', array(
          'account' => $account,
        )),
        '%title' => $node->title,
      )));
    }
  }
}