app.js

const express = require('express');
const bodyParser = require('body-parser');
const checkListController = require('./controllers/checklist');
const settingsController = require('./controllers/settings');
const mongoose = require('mongoose');
const Checklist = require('./models/checklist');
const checklistRoutes = require('./routes/checklist');
const authRoutes = require('./routes/auth');
const path = require('path');
const session = require('express-session');
const MongoDBStore = require('connect-mongodb-session')(session);
const flash = require('connect-flash');
const csrf = require('csurf');
const helmet = require('helmet');
const compression = require('compression');
const User = require('./models/user');
const authController = require('./controllers/auth');
const { error } = require('console');
 

const MONGODB_URI = `mongodb+srv://${process.env.MONGO_USER}:${process.env.MONGO_PASSWORD}@cluster0-opfdu.mongodb.net/${process.env.MONGO_DEFAULT_DATABASE}`

const app = express();

// Store SetUp:

const store = new MongoDBStore({
    uri: MONGODB_URI,
    collection: 'sessions'
});

const csrfProtection = csrf();

app.set('view engine', 'ejs');
app.set('views', 'views');

app.use(helmet());
app.use(compression());

app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, 'public')));

// Middleware for initialzing session with store:

app.use(
    session({
    secret: 'SecretForSession',
    resave: false,
    saveUninitialized: false,
    store: store
    })
);

app.use(csrfProtection);
app.use(flash());

app.use((req,res,next) => {
    let token;
    res.locals.csrfToken = token = req.csrfToken();
    console.log(req.session);
    console.log("CSRFTOKEN:", token);
    next();
})

app.use((req, res, next) => {
    if(!req.session.user){
        return next();
    }
    User.findById(req.session.user._id)
    .then(user => {
      req.user = user;
      next();
    })
    .catch(err => {
        console.log(err);
        const error = new Error(err);
        error.httpStatusCode = 500;
        return next(error);
    });
})

app.use(authRoutes);
app.use(checklistRoutes);

app.use((req, res, next) => {
    res.status(404).render('404', {
      pageTitle: 'Page Not Found',
      path: '/404',
      isLoggedIn: req.session.isLoggedIn
    });
})

app.use((error, req, res, next) => {
    res.status(500).render('error', {
        errorMessage:'Sorry Something went Wrong!',
        path:'no',
        isLoggedIn: req.session.isLoggedIn
    })
})


mongoose.connect(MONGODB_URI)
    .then((result) => {
        app.listen(process.env.PORT || 3000);
    }).catch(err => { console.log(err) });