public function onKernelRequest(GetResponseEvent $event)
{
$request = $event->getRequest();
$currentHost = $request->getHost();
$subdomain = str_replace('.' . $this->baseHost, '', $currentHost);
if ("www" === $subdomain) {
return;
}
$conference = $this->om->getRepository('AppBundle:Conference')->findOneBy(array('code' => $subdomain));
if (!$conference) {
throw new NotFoundHttpException(sprintf('No site for host "%s", subdomain "%s"', $this->baseHost, $subdomain));
}
$this->cm->setConference($conference);
}