adaptação do servidor NodeJS do SDK IBM Watson Speech Services for Web Browsers para controle de um robô móvel

server.js

'use strict';
/* eslint-env node, es6 */

const express = require('express');
const app = express();
var request = require('request');
const sleep = require('system-sleep');

app.use(express.static(__dirname + '/static'));

// token endpoints
// **Warning**: these endpoints should probably be guarded with additional authentication & authorization for production use
app.use('/api/speech-to-text/', require('./stt-token.js'));
app.use('/api/text-to-speech/', require('./tts-token.js'));

const port = process.env.PORT || process.env.VCAP_APP_PORT || 3000;
app.listen(port, function() {
  console.log('Example IBM Watson Speech JS SDK client app & token server live at http://localhost:%s/', port);
});

// enviar comandos para o robo Ori
app.get('/msg/:comando', function(req, res) {
  console.log("recebeu do cliente")
  var comando_recebido = req.params.comando;
  
  if (comando_recebido.indexOf("fre") >= 0) 
  {	  
  request('http://192.168.0.20/msg=fre', function (error, response, body) {
  console.log('error:', error); 
  console.log('statusCode:', response && response.statusCode); 
  console.log('body:', body); 
  });
  res.send("recebeu");
  sleep(300);
  request('http://192.168.0.20/msg=par', function (error, response, body) {
  console.log('error:', error); 
  console.log('statusCode:', response && response.statusCode); 
  console.log('body:', body); 
  });
  res.send("recebeu");  
  }
  else
  {
   request('http://192.168.0.20/msg='+comando_recebido, function (error, response, body) {
   console.log('error:', error); 
   console.log('statusCode:', response && response.statusCode); 
   console.log('body:', body); 
   });
   res.send("recebeu");  
  }
  
});

// chrome requires https to access the user's microphone unless it's a localhost url so
// this sets up a basic server at https://localhost3001/ using an included self-signed certificate
// note: this is not suitable for production use
// however bluemix automatically adds https support at http://<myapp>.mybluemix.net
const fs = require('fs');
const https = require('https');
const HTTPS_PORT = 3001;

const options = {
  key: fs.readFileSync(__dirname + '/keys/localhost.pem'),
  cert: fs.readFileSync(__dirname + '/keys/localhost.cert')
};

https.createServer(options, app).listen(HTTPS_PORT, function() {
    console.log('Secure server live at https://localhost:%s/', HTTPS_PORT);
});

//===========================================================================================
//Para vídeo explicativo e referência visite o blog FazerLab: 
//https://fazerlab.wordpress.com/2017/06/28/como-criar-um-robo-com-cerebro-de-supercomputador/
//Nas redes sociais: 
//https://twitter.com/@chellamarco
//Facebook: https://goo.gl/45PEq2
// 28/06/2017