public function subscribe()
{
$keys = array_keys($_GET);
$widgetId = $keys[0];
if (!isset($widgetId)) {
throw new BadArgumentException(MwwException::CONTROLLER, 'You must provide a widget identifier to subscribe to a widget.');
}
if (!Auth::isAuth()) {
// forward to the login script.
DefaultFC::redirection('users/index?ref=subscribe');
exit;
}
// No failure for authentication and parameters. We just carry on !
UserInterface::subscribe(Auth::getUserId(), $widgetId);
DefaultFC::redirection('wall/index');
}
