server.js

const express = require('express')
const app = express()
const request = require('request');

app.get('/hi', function (req, res) {
    var city;
    if (req.query.city){
        city = req.query.city;
    }
    else
    {
        city = "london";
    }
    var yahooweather = 'https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20weather.forecast%20where%20woeid%20in%20(select%20woeid%20from%20geo.places(1)%20where%20text%3D%22' + city + '%22)&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys';
    request(yahooweather, function (error, response, body) {
        var weatherJson = {}
        if (error){
            response.status(500);
        }
        else {
            weatherJson = JSON.parse(body).query.results.channel.item.forecast[0];
            weatherJson.location = JSON.parse(body).query.results.channel.location;
            weatherJson.type = 0;
            weatherJson.speech =  "Yo it looks like today in " + weatherJson.location.city + " will be a high of " +
                weatherJson.high + " and a low of " + weatherJson.low + ". " +
                getDressCode(weatherJson);
            weatherJson.displayText = weatherJson.speech;
            weatherJson.data = {};
            weatherJson.contextOut = [ ];
            weatherJson.source = " Our weather App"
            res.json(weatherJson);
        }
})
});


app.post('/dress', function (req, res) {
    var city;
    if (req.params.city){
        city = req.params.city;
    }
    else
    {
        city = "london";
    }
    var yahooweather = 'https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20weather.forecast%20where%20woeid%20in%20(select%20woeid%20from%20geo.places(1)%20where%20text%3D%22' + city + '%22)&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys';
    request(yahooweather, function (error, response, body) {
        var weatherJson = {}
        if (error){
            response.status(500);
        }
        else {
            weatherJson = JSON.parse(body).query.results.channel.item.forecast[0];
            weatherJson.location = JSON.parse(body).query.results.channel.location;
            weatherJson.type = 0;
            weatherJson.speech =  "Yo it looks like today in " + weatherJson.location.city + " it will be a high of " +
                weatherJson.high + " and a low of " + weatherJson.low + ". " +
                getDressCode(weatherJson);
            weatherJson.displayText = weatherJson.speech;
            weatherJson.data = {};
            weatherJson.contextOut = [ ];
            weatherJson.source = " Our weather App";


            res.json(weatherJson);
        }
})
});




const server = app.listen(process.env.PORT || 3000, function () {
 
  const port = server.address().port ;
  console.log('Example app listening on port ' + port);
})

function getDressCode(weatherJson){
    var dressCode = "";
    var weather = weatherJson.text;
    switch (weather) {
        case 'Sunny':
            dressCode ="Looks like it's going to be sunny today. Make sure to pack your sun care products";
            break;
        case 'Cloudy':
            dressCode ="Looks like it's going to be cloudy today!";
            break;
        case 'Rain':
            dressCode ="Looks like it's going to be rainy today!. Dont forget your umbrella";
            break;
        case 'Scatterd Showers':
            weatherJson.speech ="Looks like it's going to be scattered showers today!. Dont forget your umbrella";
            break;

        default:
        dressCode = "Don't forget to dress for the weather";

    }
    return dressCode;
}