semi-complete hello.js for barcode project

hello.js

var soap = require('soap');
var express = require('express');
var bodyParser = require('body-parser');
var cors = require('cors');

function helloRoute() {
  var hello = new express.Router();
  hello.use(cors());
  hello.use(bodyParser());


  hello.all('/', function(req, res) {
    var barcode = req.query.barcode || req.body.barcode;
    var wsdlUrl = 'http://www.searchupc.com/service/UPCSearch.asmx?wsdl';
    soap.createClient(wsdlUrl, function(err, soapClient){
      // we now have a soapClient - we also need to make sure there's no `err` here. 
      if (err){
          return res.status(500).json(err);
        }
      soapClient.GetProduct({
        upc : barcode, 
        accesstoken : '924646BB-A268-4007-9D87-2CE3084B47BC'
      }, function(err, result){
        if (err){
          return res.status(500).json(err);
        }
        return res.json(result);  
      });

    });
  });

  return hello;
}

module.exports = helloRoute;