index.js

const express = require('express');
const app = express();

const cors = require('cors');
app.use(cors({
    origin: 'https://codify-87fd.onrender.com/users/auth/google/callback'
}));

//importing cookie parser
const cookieParser = require('cookie-parser');

app.use(express.json());
app.use(express.urlencoded({extended:true}));
app.use(cookieParser());

const port = process.env.PORT || 8000;
const path = require('path');

// importing database 
const db = require('./config/mongoose');

// importing passport
const session = require('express-session');
const passport = require('passport');
const passportLocal = require('./config/passport-local-strategy');
const passportJWT = require('./config/passport-jwt-strategy');
const passportGoogle = require('./config/passport-google-oauth2-strategy');


//importing connect - mongo for persistent storage
const MongoStore = require('connect-mongo'); 

//importing flash
const flash = require('connect-flash');
const customeMiddleware = require('./config/middleware');


//importing ejs for template engine 
app.set('view engine' , 'ejs');


//using session library and passport 
app.use(session({
    name:'codify',
    secret:'blashsomething',
    saveUninitialized:false,
    resave:false,
    cookie:{
        maxAge: (1000 * 60 * 100)
    },
    // store: new MongoStore(      
    //     {
    //       mongooseConnection: db,
    //       autoRemove: 'disabled'
    //     },
    //     function(err) {
    //       console.log(err || 'connect-mongodb is ok');
    //     }
    //   )

    store: MongoStore.create({
        mongoUrl:'mongodb+srv://pankajpurshotam:patel123@cluster0.l9qysyp.mongodb.net/?retryWrites=true&w=majority',
        mongooseConnection : db,
        autoRemove: 'disabled'
    },
     function(err){
        console.log(err || 'connect-mongodb is ok ');
     }
    )
}));

app.use(passport.initialize());
app.use(passport.session());
app.use(passport.setAuthenticatedUser);

//using flash
app.use(flash());
app.use(customeMiddleware.setFlash);



//adding layout modules
const expressLayouts = require('express-ejs-layouts');
app.use(expressLayouts);
//extract styles and script from sub pages into the layout
app.set('layout extractStyles' , true);
app.set('layout extractScripts' , true );

//for storing the static files 
app.use(express.static(path.join(__dirname,'assests')));

//make the uploads path available to broswer
app.use('/uploads' , express.static(__dirname +  '/uploads'));



//setup the chat server to be used with socket.io
const chatServer = require('http').Server(app);
const chatSockets = require('./config/chat_sockets').chatSockets(chatServer);
chatServer.listen(5000);
console.log('chat server is listening at port 5000');



// use express router 
app.use('/' , require('./routes'));


//listening to the port 
app.listen(port , function(err){
    if(err){
        console.log(`Error in running the server : ${err}`);
    }
    console.log(`server is running on port : ${port}`);
});