hello.js

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

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

  hello.all('/', function(req, res) {
    var location = req.query.location || req.body.location;
    return request({
      url : 'http://api.openweathermap.org/data/2.5/weather',
      json : true,
      qs : {
        appid : "2de143494c0b295cca9337e1e96b00e0",
        q : location
      }
    }, function(err, response, body){
      if (err){
        return res.status(500).json(err);
      }
      return res.json(body);
    });
  });
  
  return hello;
}

module.exports = helloRoute;