private function validateAction()
 {
     $iId = intval($_GET['id']);
     $email = $_GET['email'];
     $oProduct = ProductManager::get($iId);
     $oUser = UserManager::getFromEmail($email);
     $oComment = CommentManager::get($oProduct, $oUser);
     $oComment = CommentManager::validate($oProduct, $oUser);
 }