index.js

const express = require('express');
const env = require('./config/environment');
const dotenv = require('dotenv');
dotenv.config();

const  logger = require('morgan');

const bodyParser = require('body-parser');

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

const app = express();
require('./config/view-helper')(app);
const port = 8000;


// set up the layouts
const expressLayouts = require('express-ejs-layouts');
// app.use(expressLayouts);

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

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

// const MongoStore = require('connect-mongo');
const MongoDBStore = require('connect-mongodb-session')(session);

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

// 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 lisening on port 5000');

const path = require('path');
// example:  path.join(_dirname, env.asset_path, 'scss');

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

app.use(express.urlencoded()); //add body-parser

// cookie
app.use(cookieParser());

// use assets like css js and images
app.use(express.static(__dirname + env.asset_path));
app.use(express.static(__dirname + '/public/assets'));

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

app.use(logger(env.morgan.mode, env.morgan.options));
app.use(expressLayouts);

// extract style and script from sub pages into the layout
app.set('layout extractStyles', true);
app.set('layout extractScripts', true);


// set up the view engine
app.set('view engine', 'ejs');
app.set('views', './views');

const store = new MongoDBStore({
    uri: process.env['MONGODB_CONNECT_URL'], 
    collection: 'sessions',
    autoRemove: 'disable'
},function(err){
        console.log(err || 'connect-mongodb setup OK');
    }
);

// mongo store is used to store session cookie in the db
app.use(session({
    name: 'codeial', 
    //Todo change the secret before deployment in production mode
    secret: env.session_cookie_key,
    saveUninitialized: false, 
    resave: false,  //true
    cookie: {
        maxAge: (2000 * 60 * 100)
    },
    // Store: MongoStore.create({
    //     // mongoUrl: 'mongodb://127.0.0.1/codeial_delopment', 
    //     mongoUrl: process.env['MONGODB_CONNECT_URL'],
    //     autoRemove: 'disable'
    // },function(err){
    //     console.log(err || 'connect-mongodb setup OK');
    // })
    store: store
}));


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

app.use(passport.setAuthenticatedUser);
app.use(flash());
app.use(customMware.setFlash);

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

app.listen(port, '0.0.0.0', function(err){
    if(err){
        console.log(`Error is running the server: ${err}`);
    }

    console.log(`Server is running in port: ${port}`);
});