Actions on Google - App setup

app.js

'use strict';

// enable debugging if desired
process.env.DEBUG = 'actions-on-google:*';

// SDK
const Assistant = require('actions-on-google').ApiAiAssistant;

// Express App
const app = express();
app.use(bodyParser.json({type: 'application/json'}));
app.use(express.static('./'));

// Constants
const INTENTS = require('./constants/intents');
const ANSWERS = require('./constants/answers');

// Welcome Action
const welcome = function(assistant) {
	assistant.ask(ANSWERS.WELCOME);
}

app.post('/', function (req, res) {
  	const assistant = new Assistant({request: req, response: res});
  	const actionMap = new Map();

	// Actions
  	actionMap.set(assistant.StandardIntents.MAIN, welcome);
  	actionMap.set(INTENTS.INPUT_WELCOME, welcome);

  	assistant.handleRequest(actionMap);
});

if (module === require.main) {
  	// Start the server
 	const server = app.listen(process.env.PORT || 8080, function () {
    		const port = server.address().port;
    		console.log('App listening on port %s', port);
  	});
}

module.exports = app;