app.js

if(process.env.NODE_ENV !== "production") {
    require('dotenv').config();
}

const express = require('express');
const path = require('path');
const mongoose = require('mongoose');
const ejsMate = require('ejs-mate');
const session = require('express-session');
const flash = require('connect-flash');
const ExpressError = require('./utils/ExpressError');
const methodOverride = require('method-override');
const passport = require('passport');
const LocalStrategy = require('passport-local');
const User = require('./models/user');
const helmet = require('helmet');
const mongoSanitize = require('express-mongo-sanitize');
const userRoutes = require('./routes/users');
const campgroundRoutes = require('./routes/campgrounds');
const reviewRoutes = require('./routes/reviews');
const MongoStore = require("connect-mongo");
const dbUrl = process.env.DB_URL
mongoose.connect(dbUrl, {
    useNewUrlParser: true,
    useUnifiedTopology: true
});

const db = mongoose.connection;
db.once("open", () => {
    console.log("Database connected");
}).on('error', (error) => {
    console.log('Connection error', error);
});

const app = express();

app.engine('ejs', ejsMate)
app.set('view engine', 'ejs');
app.set('views', path.join(__dirname, 'views'))

app.use(express.urlencoded({ extended: true }));
app.use(methodOverride('_method'));
app.use(express.static(path.join(__dirname, 'public')))
app.use(mongoSanitize({
    replaceWith:'_'
}))

const secret = process.env.SECRET || 'thisshouldbebettersecret';

// const store = new MongoStore({
//     url: dbUrl,
//     secret: 'thisshouldbebettersecret',
//     touchAfter: 24 * 60 * 60
// });

// store.on("error", function(e){
//     console.log("SESSION STORE ERROR",e)
// })

const sessionConfig = {
    // store,
    name:'session',
    secret,
    resave: false,
    saveUninitialized: true,
    cookie: {
        httpOnly: true,
        // secure:true,
        expires: Date.now() + 604800000,
        maxAge: 604800000
    }
}
app.use(session(sessionConfig));
app.use(flash());

app.use(passport.initialize());
app.use(passport.session());
passport.use(new LocalStrategy(User.authenticate()));

passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

app.use((req,res,next)=>{
    res.locals.currentUser = req.user;
    res.locals.success = req.flash('success');
    res.locals.error = req.flash('error');
    next();
})

app.use('/',userRoutes);
app.use('/campgrounds',campgroundRoutes)
app.use('/campgrounds/:id/reviews',reviewRoutes)

app.get('/', (req, res) => {
    res.render('home')
});

app.all('*', (req, res, next) => {
    next(new ExpressError('Page Not Found', 404))
})

app.use((err, req, res, next) => {
    const { statusCode = 500 } = err;
    if (!err.message) err.message = 'Oh No, Something Went Wrong!'
    res.status(statusCode).render('error', { err })
})

const port = process.env.PORT || 3000;

app.listen(port, () => {
    console.log(`Serving on port ${port}`)
})