public function updateRefrigeratorAction()
 {
     $form = new Form_AddRefrigerator();
     $main_form = new Form_AddMain();
     if ($this->_request->isPost()) {
         if ($form->isValid($this->_request->getPost()) && $main_form->isValid($this->_request->getPost())) {
             $cold_chain = new Model_ColdChain();
             $form_values = $form->getValues();
             $main_form_values = $main_form->getValues();
             $form_values = array_merge($form_values, $main_form_values);
             $cold_chain->form_values = $form_values;
             $cold_chain->updateRefrigerator();
             $this->redirect("/cold-chain/search-refrigerator?success=1");
         }
     }
 }