app.js

require('dotenv').config()

const express = require('express')
const mongoose = require('mongoose')
const ejsMate = require('ejs-mate')
const path = require('path')
const flash = require('connect-flash')
const session = require('express-session')
const ExpressError = require('./utilty/ExpressError')
const methodOverride = require('method-override')
const passport = require('passport')
const localStrategy = require('passport-local')
const User = require('./models/user')
const res = require('express/lib/response')
const campgroundRoutes = require('./Routes/campgrounds')
const reviewRoutes = require('./Routes/reviews')

const req = require('express/lib/request')
const userRoutes = require('./Routes/Users')
const ExpressMongoSanitize = require('express-mongo-sanitize')
const helmet = require('helmet')
const  MongoDBStore  = require('connect-mongo')(session)

// const dbUrl = process.env.DB_URL
//'mongodb://localhost:27017/yelpcamp'

const dbUrl = process.env.DB_URL || 'mongodb://localhost:27017/yelpcamp'
const secret = process.env.SECRET || 'thisshouldbeabettersecret'


// mongoose.connect(dbUrl)

mongoose.connect(dbUrl)

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

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(flash())
app.use(ExpressMongoSanitize({
  replaceWith:"_"
}))

const store = new MongoDBStore({
  url: dbUrl,
 secret: secret,
  touchAfter: 24 * 60 * 60
})

store.on("error", function(e){
  console.log("SUII", e)
})

const sessionConfig = {
  store: store,
  name:"session",
  secret: secret ,
  resave: false,
  saveUninitialized: true,
  cookie: {
    httpOnly: true,
    // secure: true,
    expires: Date.now() + 1000 * 60 * 60 * 24 * 7,
    maxAge: 1000 * 60 * 60 * 24 * 7
  }
}

app.use(session(sessionConfig))

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) => {
  if (!['/login', '/'].includes(req.originalUrl)) {
    req.session.returnTo = req.originalUrl
  }
  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, message = 'Something went wrong' } = err
  if (!err.message) err.message = 'Oh No, Something went wrong'
  res.status(statusCode).render('errors', { err })
  // res.send("Something went Wrong")
})
const port = process.env.PORT || 3000

app.listen(port, () => {
  console.log('serving on port 3000')
})