function index($siteid, $slug, Request $request, Application $app)
 {
     global $CONFIG;
     $this->build($siteid, $slug, $request, $app);
     $form = $app['form.factory']->create(new ActionForm());
     if ('POST' == $request->getMethod()) {
         $form->bind($request);
         if ($form->isValid()) {
             $data = $form->getData();
             $action = new ActionParser($data['action']);
             if ($action->getCommand() == 'addgroup') {
                 $gr = new GroupRepository();
                 $group = $gr->loadBySlug($this->parameters['site'], $action->getParam(0));
                 if ($group) {
                     $gr->addEventToGroup($this->parameters['event'], $group, $app['currentUser']);
                     return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                 }
             } else {
                 if ($action->getCommand() == 'removegroup') {
                     $gr = new GroupRepository();
                     $group = $gr->loadBySlug($this->parameters['site'], $action->getParam(0));
                     if ($group) {
                         $gr->removeEventFromGroup($this->parameters['event'], $group, $app['currentUser']);
                         return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                     }
                 } else {
                     if ($action->getCommand() == 'maingroup') {
                         $gr = new GroupRepository();
                         $group = $gr->loadBySlug($this->parameters['site'], $action->getParam(0));
                         if ($group) {
                             $gr->setMainGroupForEvent($group, $this->parameters['event'], $app['currentUser']);
                             return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                         }
                     } else {
                         if ($action->getCommand() == 'delete' && !$this->parameters['event']->getIsDeleted()) {
                             $er = new EventRepository();
                             $er->delete($this->parameters['event'], $app['currentUser']);
                             return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                         } else {
                             if ($action->getCommand() == 'undelete' && $this->parameters['event']->getIsDeleted()) {
                                 $this->parameters['event']->setIsDeleted(false);
                                 $er = new EventRepository();
                                 $er->undelete($this->parameters['event'], $app['currentUser']);
                                 return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                             } else {
                                 if ($action->getCommand() == 'cancel' && !$this->parameters['event']->getIsDeleted()) {
                                     $er = new EventRepository();
                                     $er->cancel($this->parameters['event'], $app['currentUser']);
                                     return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                                 } else {
                                     if ($action->getCommand() == 'uncancel' && $this->parameters['event']->getIsCancelled()) {
                                         $er = new EventRepository();
                                         $er->uncancel($this->parameters['event'], $app['currentUser']);
                                         return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                                     } else {
                                         if ($action->getCommand() == 'addcuratedlist') {
                                             $clr = new CuratedListRepository();
                                             $curatedList = $clr->loadBySlug($this->parameters['site'], $action->getParam(0));
                                             if ($curatedList) {
                                                 $clr->addEventtoCuratedList($this->parameters['event'], $curatedList, $app['currentUser']);
                                                 return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/curatedlist/' . $curatedList->getSlug());
                                             }
                                         } else {
                                             if ($action->getCommand() == 'removecuratedlist') {
                                                 $clr = new CuratedListRepository();
                                                 $curatedList = $clr->loadBySlug($this->parameters['site'], $action->getParam(0));
                                                 if ($curatedList) {
                                                     $clr->removeEventFromCuratedList($this->parameters['event'], $curatedList, $app['currentUser']);
                                                     return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/curatedlist/' . $curatedList->getSlug());
                                                 }
                                             } else {
                                                 if ($action->getCommand() == 'isduplicateof') {
                                                     $er = new EventRepository();
                                                     $originalEvent = $er->loadBySlug($this->parameters['site'], $action->getParam(0));
                                                     if ($originalEvent && $originalEvent->getId() != $this->parameters['event']->getId()) {
                                                         $er->markDuplicate($this->parameters['event'], $originalEvent, $app['currentUser']);
                                                         return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                                                     }
                                                 } else {
                                                     if ($action->getCommand() == 'isnotduplicate') {
                                                         $er = new EventRepository();
                                                         $eventEditMetaData = new EventEditMetaDataModel();
                                                         $eventEditMetaData->setUserAccount($app['currentUser']);
                                                         $eventEditMetaData->setFromRequest($request);
                                                         $er->markNotDuplicateWithMetaData($this->parameters['event'], $eventEditMetaData);
                                                         return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/' . $this->parameters['event']->getSlug());
                                                     } else {
                                                         if ($action->getCommand() == 'purge' && $CONFIG->sysAdminExtraPurgeEventPassword && $CONFIG->sysAdminExtraPurgeEventPassword == $action->getParam(0)) {
                                                             $er = new EventRepository();
                                                             $er->purge($this->parameters['event']);
                                                             return $app->redirect('/sysadmin/site/' . $this->parameters['site']->getId() . '/event/');
                                                         }
                                                     }
                                                 }
                                             }
                                         }
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
     }
     $groupRB = new GroupRepositoryBuilder();
     $groupRB->setEvent($this->parameters['event']);
     $this->parameters['groups'] = $groupRB->fetchAll();
     $this->parameters['form'] = $form->createView();
     return $app['twig']->render('sysadmin/event/index.html.twig', $this->parameters);
 }