/**
* Forces event_id in all redirections
*
* Registers a redirection with an optional message. The redirection is
* carried out when you use the redirect method.
*
* @param string $url The URL to redirect to
* @param string $msg The message to be pushed to the application
* @param string $type The message type to be pushed to the application, e.g. 'error'
*
* @return JController This object to support chaining
*/
public function setRedirect($url, $msg = null, $type = null)
{
$uri = JURI::getInstance($url);
$id = $this->input->getInt('event_id', 0);
if (!$id) {
$formData = $this->input->get('jform', array(), 'array');
if (!isset($formData['event_id']) || !$formData['event_id']) {
throw new RuntimeException('event_id is required', 500);
}
}
$uri->setVar('event_id', $id);
$url = $uri->toString();
return parent::setRedirect($url, $msg, $type);
}
