protected function build($siteid, $slug, Request $request, Application $app)
 {
     $this->parameters = array('group' => null, 'venue' => null, 'country' => null);
     $sr = new SiteRepository();
     $this->parameters['site'] = $sr->loadById($siteid);
     if (!$this->parameters['site']) {
         $app->abort(404);
     }
     $er = new EventRepository();
     $this->parameters['event'] = $er->loadBySlug($this->parameters['site'], $slug);
     $this->parameters['eventisduplicateof'] = $this->parameters['event']->getIsDuplicateOfId() ? $er->loadById($this->parameters['event']->getIsDuplicateOfId()) : null;
     if (!$this->parameters['event']) {
         $app->abort(404);
     }
     if ($this->parameters['event']->getGroupId()) {
         $gr = new GroupRepository();
         $this->parameters['group'] = $gr->loadById($this->parameters['event']->getGroupId());
     }
     if ($this->parameters['event']->getCountryID()) {
         $cr = new CountryRepository();
         $this->parameters['country'] = $cr->loadById($this->parameters['event']->getCountryID());
     }
     if ($this->parameters['event']->getVenueID()) {
         $cr = new VenueRepository();
         $this->parameters['venue'] = $cr->loadById($this->parameters['event']->getVenueID());
     }
 }