What is the solution please help!
Code:
'use strict';
const express = require('express');
const bodyParser = require('body-parser');
const fccTesting = require('./freeCodeCamp/fcctesting.js');
const passport = require('passport');
const session = require('express-session');
const ObjectID = require('mongodb').ObjectID;
const mongo = require('mongodb').MongoClient;
const LocalStrategy = require('passport-local').Strategy;
const cors = require('cors');
const app = express();
fccTesting(app); //For FCC testing purposes
app.use(cors());
app.use('/public', express.static(process.cwd() + '/public'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
// set up a template engine
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());
// connect to database
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, doc) => {
done(null, doc);
});
});
});
passport.use(new LocalStrategy((username, password, done) => {
db.collection('users').findOne({ username: username }, (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);
});
}));
app.route('/')
.get((req, res) => {
res.render(process.cwd() + '/views/pug/index', { title: 'Home Page' , message: 'Please login', showLogin: true });
});
app.route('/login')
.post(passport.authenticate('local', { failureRedirect: '/' }), (req, res) => {
res.redirect('/profile');
});
function ensureAuthenticated(req, res, next) {
if (req.isAuthenticated()) {
return next();
}
res.redirect('/');
};
app.route('/profile')
.get(ensureAuthenticated, (req, res) => {
res.render(process.cwd() + '/views/pug/profile');
});
app.route('/profile')
.get(ensureAuthenticated, (req, res) => {
res.render(req.user.username);
});
app.listen(process.env.PORT || 3000, () => {
console.log("Listening on port " + process.env.PORT);
});
}
});