app.js

var path = require('path');
var logger = require('morgan');
var express = require('express');
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');

var app = express();

//
//	view engine setup
//
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hjs');

app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

//
//	Get the app name on Heroku so we can set the webhook URL for each number
//	that a user buys.
//
app.use(function(req, res, next) {

	process.env.BASE_URL = req.headers.host;
	next();

});

//
//	Routes
//
app.use('/', require('./routes/index'));
app.use('/webhook', require('./routes/webhook'));

//
//	catch 404 and forward to error handler
//
app.use(function(req, res, next) {
	var err = new Error('Not Found');
	err.status = 404;
	next(err);
});

//
//	error handlers
//

//
// 	development error handler
// 	will print stacktrace
//
if (app.get('env') === 'development') {
	app.use(function(err, req, res, next) {
		res.status(err.status || 500);
		res.render('error', {
			message: err.message,
			error: err
		});
	});
}

//
//	production error handler
//	no stacktraces leaked to user
//
app.use(function(err, req, res, next) {
	res.status(err.status || 500);
	res.render('error', {
		message: err.message,
		error: {}
	});
});


module.exports = app;