Advanced Node and Express - Registration of New Users(help)

JavaScript
1

Tell us what’s happening:
I don’t figure what’s wrong but still i am getting:

Registering should work.

Login should work

Your code so far
‘use strict’;

const express = require(‘express’);
const bodyParser = require(‘body-parser’);
const fccTesting = require(’./freeCodeCamp/fcctesting.js’);
const session = require(‘express-session’);
const passport = require(‘passport’);
const mongo = require(‘mongodb’).MongoClient;
const ObjectID = require(‘mongodb’).ObjectID;
const LocalStrategy = require(‘passport-local’);

const app = express();

fccTesting(app); //For FCC testing purposes
app.use(’/public’, express.static(process.cwd() + ‘/public’));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

app.set(‘view engine’, ‘pug’)

app.use(session({
secret: process.env.SESSION_SECRET,
resave: true,
saveUninitialized: true,
}));
app.use(passport.initialize());
app.use(passport.session());

mongo.connect(process.env.DATABASE, (err, db) => {
if(err) {
console.log('Database error: ’ + err);
} else {
console.log(‘Successful database connection’);

    passport.serializeUser((user, done) => {
      done(null, user._id);
    });

    passport.deserializeUser((id, done) => {
db.collection('users').findOne(
  {_id: new ObjectID(id)},
  (err, user) => done(null, user))});
    
  
    passport.use(new LocalStrategy(
      function(username, password, done) {
        db.collection('users').findOne({ username: username }, function (err, user) {
          console.log('User '+ username +' attempted to log in.');
          if (err) { return done(err); }
          if (!user) { return done(null, false); }
          if (password !== user.password) { return done(null, false); }
          return done(null, user);
        });
      }
    ));
  
  
    function ensureAuthenticated(req, res, next) {
      if (req.isAuthenticated()) {
          return next();
      }
      res.redirect('/');
    };
  

    app.route('/')

.get((req, res) => {res.render(${process.cwd()}/views/pug/index.pug,
{title: ‘Home Page’, // add "title: “Home Page” to the object to pass to index.pug
message:‘Please login’,
showLogin: true,
showRegistration: true})
})

    app.route('/login')
      .post(passport.authenticate('local', { failureRedirect: '/' }),(req,res) => {
           res.redirect('/profile');
      });

app.route(’/profile’)
.get(ensureAuthenticated, (req, res, next) => {
req.logIn(req.user, (err) => {
(err) ? next(err) : res.render(${process.cwd()}/views/pug/profile.pug,
{ title: “Profile Page”, // add “Profile Page” to the object to pass to profile.pug
username: req.user.username })})})

    app.route('/register')
      .post((req, res, next) => {
          db.collection('users').findOne({ username: req.body.username }, function (err, user) {
              if(err) {
                  next(err);
              } else if (user) {
                  res.redirect('/');
              } else {
                  db.collection('users').insertOne(
                    {username: req.body.username,
                     password: req.body.password},
                    (err, doc) => {
                        if(err) {
                            res.redirect('/');
                        } else {
                            next(null, user);
                        }
                    }
                  )
              }
          })},
        passport.authenticate('local', { failureRedirect: '/' }),
        (req, res, next) => {
            res.redirect('/profile');
        }
    );
  
    app.route('/logout')
      .get((req, res) => {
          req.logout();
          res.redirect('/');
      });

    app.use((req, res, next) => {
      res.status(404)
        .type('text')
        .send('Not Found');
    });

    app.listen(process.env.PORT || 3000, () => {
      console.log("Listening on port " + process.env.PORT);
    });

}});

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36.

Challenge: undefined

Link to the challenge: