server.js

var path = require('path');
var express = require('express');
var mongoose = require('mongoose');
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');
var exphbs = require('express-handlebars');
var session = require('client-sessions');
var flash = require('connect-flash');
var expressValidator = require('express-validator');
var csrf = require('csurf');


//fixing mongoose error
mongoose.Promise = global.Promise;
//Database connect
mongoose.connect('mongodb://192.168.0.6:27017/book-trading');
var db = mongoose.connection;

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


//Init
var app = express();

//View Engine
app.set('views', path.join(__dirname + '/views'));
app.engine('handlebars', exphbs({ defaultLayout: 'layout' }));
app.set('view engine', 'handlebars');

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

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

//statis files serve 
app.use("/public", express.static(path.join(__dirname, 'public')));


// Client Session
app.use(session({
  cookieName: 'session',
  secret: 'dFhJHJsh78shjhs9sjhI',
  duration: 60 * 60 * 1000,
  activeDuration: 10 * 60 * 1000,
  cookie: {
    httpOnly: true,
    ephemeral: true
  }
}));



// Connect Flash
app.use(flash());

// Global Vars for flash messages
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.info = req.flash('info');
  res.locals.user = req.user || null;
  next();
});

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


//app listen
app.listen(process.env.PORT || 3000);