function main()
 {
     $labsModel = new LabsModel();
     $labs = $labsModel->lsAll($skip = 0, $size = 4);
     $this->assign('labs', $labs);
     $this->display();
 }
 public function index()
 {
     $labsModel = new LabsModel();
     if ($response = $labsModel->lsAll()) {
         $labs = $response;
     }
     $this->assign('labs', $labs);
     $this->display();
 }
 function isExist($lab)
 {
     $labsModel = new LabsModel();
     if ($data = $labsModel->findByUrl($lab)) {
         $this->labId = $data['_id'];
         return true;
     } else {
         if ($data = $labsModel->findById($lab)) {
             $this->labId = $data['_id'];
             return true;
         }
     }
     return false;
 }