Merge pull request #9 from twilio-samples/DEVED-12087

[DEVED-12087] Update TwiML Say Node.js to use Express.js

Author: atsansone

rest/voice/generate-twiml-say/generate-twiml-say.5.x.js

@@ -1,16 +1,23 @@
-const http = require('http');
+const express = require('express');
 const VoiceResponse = require('twilio').twiml.VoiceResponse;
 
-http
-  .createServer((req, res) => {
-    // Create TwiML response
+const app = express();
+
+// Create a route that will handle Twilio webhook requests, sent as an
+// HTTP POST to /voice in our application
+app.post('/voice', (request, response) => {
+  // Use the Twilio Node.js SDK to build an XML response
     const twiml = new VoiceResponse();
 
     twiml.say('Hello from your pals at Twilio! Have fun.');
 
-    res.writeHead(200, { 'Content-Type': 'text/xml' });
-    res.end(twiml.toString());
-  })
-  .listen(1337, '127.0.0.1');
+  // Render the response as XML in reply to the webhook request
+  response.type('text/xml');
+  response.send(twiml.toString());
+});
+
+// Create an HTTP server and listen for requests on port 1337
+app.listen(1337, () => {
+    console.log('TwiML server running at http://127.0.0.1:1337/');
+});
 
-console.log('TwiML server running at http://127.0.0.1:1337/');