private function showAction()
 {
     //no id => redirect home
     if (array_key_exists('id', $_GET)) {
         $iId = intval($_GET['id']);
         $email = $_GET['email'];
         $oProduct = ProductManager::get($iId);
         $oUser = UserManager::getFromEmail($email);
         $oComment = CommentManager::getQueuedComment($oProduct, $oUser);
         // product not found => redirect home
         if (null === $oProduct) {
             $this->homeAction();
             return;
         } else {
             $aQueuedComment = CommentManager::getQueuedComment($oProduct, $oUser);
             require ROOT . 'src/ecommerce/view/validationoneproduct.php';
         }
     } else {
         $aQueuedComment = CommentManager::getQueuedComment();
         require ROOT . 'src/ecommerce/view/validationoneproduct.php';
     }
 }