app.js

const express = require('express')
const session = require('express-session')
const MongoStore = require("connect-mongo")(session)
const flash = require('connect-flash')
const app = express()
const router = require('./router')

let sessionOptions = session({   
    secret: "Selective only",
    store: new MongoStore({client:require('./db')}),
    resave: false,
    saveUninitialized: false,
    cookie: {maxAge:1000*60*60*24, httpOnly:true}    
})

app.use(sessionOptions)   
app.use(flash()) 
app.use(express.urlencoded({extended: false}))
app.use(express.json())
app.use(express.static('public'))

app.use(function(req,res,next){
    res.locals.user = req.session.user
    next()
})

app.set('views', 'views')
app.set('view engine', 'ejs')
app.use('/', router)

module.exports = app