public function save(Application_Model_Product $model) { $return = 0; $data = array('ID' => $model->getId(), 'name' => $model->getName(), 'description' => $model->getDescription(), 'productNo' => $model->getProductNo(), 'quantity' => $model->getQuantity(), 'sellingprice' => $model->getSellingprice(), 'costprice' => $model->getCostprice()); if (null === ($id = $model->getId())) { unset($data['ID']); $return = $this->getDbTable()->insert($data); } else { $return = $this->getDbTable()->update($data, array('ID=?' => $id)); } return $return; }