public function execute()
 {
     $messages = installerMessage::getInstance()->handle(waRequest::get('msg'));
     $counter = array('total' => 0, 'applicable' => 0, 'payware' => 0);
     $items = array();
     try {
         $items = installerHelper::getUpdates();
         $counter = installerHelper::getUpdatesCounter(null);
         if (isset($items['installer'])) {
             $items['installer']['name'] = _w('Webasyst Framework');
         }
     } catch (Exception $ex) {
         $messages[] = array('text' => $ex->getMessage(), 'result' => 'fail');
     }
     installerHelper::checkUpdates($messages);
     if (!waRequest::get('_')) {
         $this->setLayout(new installerBackendLayout());
         if ($messages) {
             $this->getLayout()->assign('messages', $messages);
         }
         $this->getLayout()->assign('update_counter', $counter['total']);
         $this->getLayout()->assign('no_ajax', true);
     } else {
         $this->view->assign('messages', $messages);
     }
     $this->view->assign('error', false);
     $this->view->assign('update_counter', $counter['total']);
     $this->view->assign('update_counter_applicable', $counter['applicable']);
     $this->view->assign('items', $items);
     $this->view->assign('domain', installerHelper::getDomain());
     $this->view->assign('title', _w('Updates'));
 }