public function handleRequest($command)
 {
     switch ($command) {
         case 'get':
             $buildings = Building::getAll();
             break;
         default:
             throw new Exception("Unsupported property!");
             break;
     }
     if (empty($buildings)) {
         throw new Exception("Nothing found");
     }
     $formattedBuildings = Building::format($buildings);
     //echo json_encode($formattedBuildings);
     render('building', array('buildings' => $formattedBuildings));
 }