protected function addOrderConversation($sender)
 {
     $sn = trim($this->_getParam('sn'));
     $message = trim($this->_getParam('message'));
     $commonPhraseId = intval(trim($this->_getParam('commonPhraseId')));
     $imageUrl = $this->_getParam('imageUrl');
     if ($commonPhraseId) {
         $mcp = new Model_CommonPhrase($commonPhraseId);
         $zh = $mcp->get('zh');
         $en = $mcp->get('en');
         if ($sender == Model_OrderConversation::SENDER_DRIVER) {
             $message = "{$zh} ({$en})";
         } else {
             $message = "{$en} ({$zh})";
         }
     }
     $oc = new Model_OrderConversation();
     $oc->set('sn', $sn);
     $oc->set('sender', $sender);
     $oc->set('message', $message);
     $oc->set('image_url', $imageUrl);
     $oc->set('created_time', time());
     $oc->save();
     $this->sendPush($sender, $sn, $message);
 }
 public function deleteCommonPhraseAction()
 {
     $id = intval($this->_getParam('id', ''));
     $modelPhrase = new Model_CommonPhrase($id);
     $modelPhrase->delete();
     $this->_redirect('common-phrases');
 }