ExpressServer

// server.js

// BASE SETUP
// =============================================================================

// call the packages we need
var express    = require('express');        // call express
var app        = express();                 // define our app using express
var bodyParser = require('body-parser');

// configure app to use bodyParser()
// this will let us get the data from a POST
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());

var port = process.env.PORT || 8080;        // set our port

// ROUTES FOR OUR API
// =============================================================================
var router = express.Router();              // get an instance of the express Router

// Watson route (accessed at http://localhost:8080/api/watson)
router.route('/watson/post')

    .post(function(req, res) {
        'use strict';

        var watson = require('watson-developer-cloud');

        var tone_analyzer = watson.tone_analyzer({
            username: 'b864c27b-0de9-47c9-b1e0-57144dccf31c',
            password: 'mmK8E6v3Pglf',
            version: 'v3',
            version_date: '2016-05-19'
        });

        var body = String(req.body);

        tone_analyzer.tone({text: body },
        function(err, tone) {
            if (err)
                console.log(err);
            else
                res.jsonp(tone.document_tone.tone_categories[0].tones);

                //Log success to console
                var date = new Date().toLocaleString()
                console.log('Success - ' + date);
            });
    });

router.route('/watson/get')

    .get(function(req, res) {
        'use strict';

        var watson = require('watson-developer-cloud');

        var tone_analyzer = watson.tone_analyzer({
            username: 'b864c27b-0de9-47c9-b1e0-57144dccf31c',
            password: 'mmK8E6v3Pglf',
            version: 'v3',
            version_date: '2016-05-19'
        });

        tone_analyzer.tone({text: "Here is the sentence to be analyzed" },
        function(err, tone) {
            if (err)
                console.log(err);
            else
                res.jsonp(tone.document_tone.tone_categories[0].tones);

                //Log success to console
                var date = new Date().toLocaleString()
                console.log('Success - ' + date);
            });
    });

// REGISTER OUR ROUTES -------------------------------
// all of our routes will be prefixed with /api
app.use('/api', router);

// START THE SERVER
// =============================================================================
app.listen(port);
console.log('Listening on port ' + port);