Express session req.user undefined

Question

I am trying to use express session to login. I would like users to be able to go to the profile page and view their user data if they are logged in.

I have been stuck here for several days. Line 33 of my file has undefined routes.jsin my route /profile GET req.user. But on line 27 of mine routes.js, in mine /login POST, req.user works as it should.

'use strict'

var User = require('mongoose').model('User')

module.exports = function(app, passport){ 
    console.log('passport', passport)
    app.route('/')
        .get(function(req, res){
            res.render('index')
        })
    app.get('/signUp', function(req, res){
        res.render('signup')
    })

    app.route('/user')
        .get(function(req, res){
        })
        .post(passport.authenticate('local-signup', { successRedirect: '/',
                                                        failureRedirect: 'signup' }))

    app.route('/login')
        .get(function(req, res){
            res.render('login')
        })
        .post(passport.authenticate('local-login', { successRedirect: '/',
                                                    failureRedirect: '/login'}), function(req, res){
                        /* *** LINE 27 ***  */  console.log('req.user', req.user)   
                                                    })

    app.route('/profile')
        .get(function(req, res){

   /* *** LINE 33 ***  */   console.log('req.user', req.user)

            if(!req.user){
                res.render('profile', {user: "You're not logged in"})
            }   
            if(req.user){
                res.render('profile', {user: req.user})
            }
        })
}

Why is it not indicated on all my routes req.user? Should I express a session to populate a persistent object req.user?

Any help appreciated. Thanks!

Answer 1

isLoginedIn funtion routes.js :

 // route middleware to ensure user is logged in
function isLoggedIn(req, res, next) {
    if (req.isAuthenticated())
        return next();

    res.redirect('/');
}

:

   app.route('/profile')
        .get(function(req, res){

            console.log('req.user', req.user)

            if(!req.user){
                res.render('profile', {user: "You're not logged in"})
            }   
            if(req.user){
                res.render('profile', {user: req.user})
            }
        })

:

 // PROFILE SECTION =========================
    app.get('/profile', isLoggedIn, function(req, res) {
        res.render('profile.ejs', {
            user : req.user
        });
    });