main.js

var express = require('express');
var exphbs  = require('express-handlebars');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var fs = require('fs');
var env = require('node-env-file');

var index = require('./routes/index');
var api = require('./routes/api');

var app = express();
var hbs = exphbs.create({ defaultLayout: path.join(__dirname, 'views', 'layouts', 'default') });

fs.exists(__dirname + '/.env', function(exists)
{
	env(__dirname + '/.env');
});

app.use(function (req, res, next) {

	// Website you wish to allow to connect
	res.setHeader('Access-Control-Allow-Origin', '*');

	// Request methods you wish to allow
	res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');

	// Request headers you wish to allow
	res.setHeader('Access-Control-Allow-Headers', '*');

	// Set to true if you need the website to include cookies in the requests sent
	// to the API (e.g. in case you use sessions)
	res.setHeader('Access-Control-Allow-Credentials', true);

	// Pass to next layer of middleware
	next();
});

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

// uncomment when deploying to production for view caching
 app.enable('view cache');

// uncomment after placing your favicon in /public
app.use(favicon(__dirname + '/public/favicon.ico'));
// app.use(logger(process.env.NODE_ENV));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', index);
app.use('/api', api);

// 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;