function fbconnect_register_form_validate in Facebook Connect 5

Validate the register form.

File

./fbconnect.module, line 270

This module allows site visitors to connect and register with facebook account

Code

function fbconnect_register_form_validate($form, &$form_state) {

  // Validate the username
  $name = $form_state['username'];
  if (user_validate_name($name)) {
    form_set_error('username', user_validate_name($name));
  }
  else {
    if (db_result(db_query("SELECT COUNT(*) FROM {users} WHERE LOWER(name) = LOWER('%s')", $name)) > 0) {
      form_set_error('username', t('The name %name is already taken.', array(
        '%name' => $name,
      )));
    }
    else {
      if (drupal_is_denied('user', $name)) {
        form_set_error('username', t('The name %name is a reserved username.', array(
          '%name' => $name,
        )));
      }
    }
  }

  // Validate e-mail
  $mail = $form_state['mail'];
  if (user_validate_mail($mail)) {
    form_set_error('mail', user_validate_mail($mail));
  }
  else {
    if (db_result(db_query("SELECT COUNT(*) FROM {users} WHERE LOWER(mail) = LOWER('%s')", $mail)) > 0) {
      form_set_error('mail', t('The e-mail address %email is already registered. <a href="@password">Have you forgotten your password?</a>', array(
        '%email' => $mail,
        '@password' => url('user/password'),
      )));
    }
    else {
      if (drupal_is_denied('mail', $mail)) {
        form_set_error('mail', t('The e-mail address %email has been denied access.', array(
          '%email' => $mail,
        )));
      }
    }
  }
}