app.js

var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var exphbs = require('express-handlebars');
var expressValidator = require('express-validator');
var flash = require('connect-flash');
var session = require('express-session');
var passport = require('passport');
var LocalStrategy = require('passport-local').Strategy;
var mongo = require('mongodb');
var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/loginapp');
var db = mongoose.connection;

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

//Init App
var app = express();
//view engine
app.set('views', path.join(__dirname,'views'));
app.engine('handlebars', exphbs({defaultLayout:'layout'}));
app.set('view engine', 'handlebars');

//BodyParser Middleware
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended : false}));
app.use(cookieParser());

//Set the public folder
app.use(express.static(path.join(__dirname, 'public')));

//Express session
app.use(session({
	secret:'secret',
	saveUninitialized:true,
	resave:true
}));

//Passport init
app.use(passport.initialize());
app.use(passport.session());

//Validator
app.use(expressValidator({
	errorFormater: function(param,msg,value) {
		var namespace = param.split('.')
		, root = namespace.shift()
		formParam = root;

		while(namespace.length) {
			formParam += '[' + namespace.shift() + ']';
		}
		return {
			param : formParam,
			msg : msg,
			value : value
		}
	}
}));

//connect-falsh
app.use(flash());

//Global Variables
app.use(function (req,res,next) {
	res.locals.success_msg = req.flash('success_msg');
	res.locals.error_msg = req.flash('error_msg');
	res.locals.error = req.flash('error');
	res.locals.user = req.user || null;
	next();
});

app.use('/',routes);
app.use('/users',users);

//set the port to run the server
app.set('port',(process.env.PORT || 8080));
app.listen(app.get('port'),function() {
	console.log('server started on port '+app.get('port'));
});

module.exports = app;