save($data,false,$fileds)){ $error = "22"; } }else{ $error = "23"; } return $error; } public function getAccessToken($device_id) { $error = ""; $access_key = $this->find('first', array( 'conditions' => array('device_id' => $device_id), 'order'=> array('created_on'=>'desc') ) ); if(empty($access_key)) { $error = "23"; return $error; } else { return $access_key['AccessKey']['secret_key']; } } public function deleteAccessKey($device_id) { $access_key = $this->find('first', array( 'conditions' => array('device_id' => $device_id), 'order'=> array('created_on'=>'desc') ) ); $this->delete($access_key['AccessKey']['id']); } }