text: var express = require('express');
  var path = require('path');
  var favicon = require('serve-favicon');
  var logger = require('morgan');
  var cookieParser = require('cookie-parser');
  var bodyParser = require('body-parser');
  var expressHbs = require('express-handlebars');
  var passport = require('passport');
  var flash = require('connect-flash');
  var redis   = require("redis");
  var session = require('express-session');
  var redisStore = require('connect-redis')(session);
  var validator = require('express-validator');
  
  
  var routes = require('./routes/index');
  var userRoutes = require('./routes/user');
  
  var app = express();
  require('./config/passport')
  
  // view engine setup
  app.engine('.hbs', expressHbs({defaultLayout: 'layout', extname: '.hbs'}));
  app.set('view engine', '.hbs');
  
  // uncomment after placing your favicon in /public
  //app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
  app.use(logger('dev'));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: false }));
  app.use(validator());
  app.use(cookieParser());
  
  //added 2
  var client  = redis.createClient();
  app.use(session({
      secret: 'ssshhhhh',
      // create new redis store.
      store: new redisStore({ host: 'localhost', port: 6379, client: client,ttl :  260}),
      saveUninitialized: false,
      resave: false
  }));
  
  app.use(flash());
  app.use(passport.initialize());
  app.use(passport.session());
  //
  
  app.use(express.static(path.join(__dirname, 'public')));
  
  app.use(function(req, res, next) {
     res.locals.login = req.isAuthenticated();
     res.locals.session = req.session;
     next();
  });
  
  app.use('/user', userRoutes);
  app.use('/', routes);
  
  // 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;
  