function fb_app_edit_form_validate in Drupal for Facebook 7.3

Same name and namespace in other branches

1. 6.3 fb_app.admin.inc \fb_app_edit_form_validate()
2. 6.2 fb_app.admin.inc \fb_app_edit_form_validate()

Form validation.

File

./fb_app.admin.inc, line 179

Code

function fb_app_edit_form_validate($form, &$form_state) {
  $fb_app = (object) $form_state['values'];
  $fb_app->data = serialize($fb_app->fb_app_data);
  if ($form_state['values']['op'] != t('Delete')) {

    // Labels must be alphanumeric.
    if (preg_match('/[^a-z0-9_]/', $fb_app->label)) {
      form_error($form['label'], t('Label must be lower-case alphanumeric or underscores only.'));
    }

    // Labels must be unique.
    $apps = fb_get_all_apps();
    foreach ($apps as $app) {
      if ($app->label == $fb_app->label && (!isset($form['#fb_app']) || $form['#fb_app']->label != $fb_app->label)) {
        form_set_error('fb_app][label', t('The label %label is in use by another application.', array(
          '%label' => $fb_app->label,
        )));
      }
    }

    // Getting properties confirms apikey and secret.
    fb_admin_get_app_info($fb_app);
    if (!$fb_app->name) {

      // Don't use form_set_error(), as that will prevent the user from saving any data.
      drupal_set_message(t("Unable to get application properties.  Possibly, you've given the wrong id or secret.  Possibly, this server is unable to reach facebook's servers.  Your application will not work properly!"), 'error');
      $fb_app->name = 'UNKOWN';
    }
  }
}