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');
var hbs = require('handlebars');
//var multer=require('multer');
var app = express();
hbs.registerHelper("pagination", function(currentPage, totalPage, size, options)
{
  var startPage, endPage, context;

  if (arguments.length === 3) {
    options = size;
    size = 5;
  }

  startPage = currentPage - Math.floor(size / 2);
  endPage = currentPage + Math.floor(size / 2);

  if (startPage <= 0) {
    endPage -= (startPage - 1);
    startPage = 1;
  }

  if (endPage > totalPage) {
    endPage = totalPage;
    if (endPage - size + 1 > 0) {
      startPage = endPage - size + 1;
    } else {
      startPage = 1;
    }
  }

  context = {
    startFromFirstPage: false,
    pages: [],
    endAtLastPage: false,
  };
  if (startPage === 1) {
    context.startFromFirstPage = true;
  }
  for (var i = startPage; i <= endPage; i++) {
    context.pages.push({
      page: i,
      isCurrent: i === currentPage,
    });
  }
  if (endPage === totalPage) {
    context.endAtLastPage = true;
  }

  return options.fn(context);
});
//app.engine('handlebars', engines.handlebars);

mongoose.connect('mongodb://localhost/loginapp');
var db = mongoose.connection;

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

// Init App

// 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 Static 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());

// Express Validator
app.use(expressValidator({
  errorFormatter: 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 Flash
app.use(flash());

// Global Vars
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(multer({dest:'./public/user_uploads'}).single('photo'));
app.use('/', routes);
app.use('/users', users);
app.use('/projects',projects);
app.use(express.static(__dirname +'/public/user_uploads'));
app.use(express.static(__dirname +'/public/work_uploads'));



// Set Port
app.set('port', (process.env.PORT || 3000));

app.listen(app.get('port'), function(){
	console.log('Server started on port '+app.get('port'));
});