index.js

const express = require('express')
const path = require('path')
const exphbs = require('express-handlebars')
const handlebars = require('handlebars')
const {allowInsecurePrototypeAccess} = require('@handlebars/allow-prototype-access')
const mongoose = require('mongoose')
const session = require('express-session')
const csurf = require('csurf')
const flash = require('connect-flash')
const helmet = require('helmet')
const compression = require('compression')
const MongoStore = require('connect-mongodb-session')(session)
const homeRoutes = require('./routes/home')
const addRoutes = require('./routes/add')
const ordersRoutes = require('./routes/orders')
const coursesRoutes = require('./routes/courses')
const cartRoutes = require('./routes/cart')
const authRoutes = require('./routes/auth')
const profileRoutes = require('./routes/profile')
const varMiddleware = require('./middleware/variables')
const userMiddleware = require('./middleware/user')
const fileMiddleware = require('./middleware/file')
const errorHandler = require('./middleware/error')

require('dotenv').config();

const MONGODB_URI = `mongodb+srv://${process.env.MONGODB_USER}:${process.env.MONGODB_PASS}@cluster0-5tn2x.mongodb.net/shop`

const app = express()

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

const hbs = exphbs.create({
  defaultLayout: 'main',
  extname: 'hbs',
  helpers: require('./utils/hbsHelpers'),
  handlebars: allowInsecurePrototypeAccess(handlebars),
})

app.engine('hbs', hbs.engine)
app.set('view engine', 'hbs')
app.set('views', 'views')


app.use(express.static(path.join(__dirname, 'public')))
app.use('/images', express.static(path.join(__dirname, 'images')))
app.use(express.urlencoded({extended: true}))

app.use(session({
  secret: process.env.SESSION_SECRET,
  resave: false,
  saveUninitialized: false,
  store
}))
app.use(fileMiddleware.single('avatar'))
app.use(csurf())
app.use(flash())
app.use(helmet())
app.use(compression())
app.use(varMiddleware)
app.use(userMiddleware)


app.use('/', homeRoutes)
app.use('/add', addRoutes)
app.use('/courses', coursesRoutes)
app.use('/cart', cartRoutes)
app.use('/orders', ordersRoutes)
app.use('/auth', authRoutes)
app.use('/profile', profileRoutes)

app.use(errorHandler)

const PORT = process.env.PORT || 3001

async function start() {
  try {
    await mongoose.connect(MONGODB_URI, {
      useNewUrlParser: true,
      useUnifiedTopology: true,
      useFindAndModify: false
    })


    app.listen(PORT, () => {
      console.log(`Server is running on port: ${PORT}`)
    })
  } catch (e) {
    console.log(e)
  }
}

start()