index.js

const express = require('express');
const env = require('./config/environment');
const logger = require('morgan');
const cookieParser = require('cookie-parser');
const app = express();

require('./config/view-helpers')(app);

const port = process.env.PORT || 8000;
const expressLayouts = require('express-ejs-layouts');
const db = require('./config/mongoose');
//used for session cookie
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');

const MongoStore = require('connect-mongo');
const sassMiddleware = require('node-sass-middleware');
const  flash = require('connect-flash');
const customMware = require('./config/middleware');

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

if(env.name=='development'){
    app.use(sassMiddleware({
        src : path.join(__dirname , env.asset_path, 'scss'),
        dest : path.join(__dirname, env.asset_path,'css'),
        debug : true,
        outputStyle : 'expanded',
        prefix : '/css'
    }));    
}


app.use(express.urlencoded());

app.use(cookieParser());

app.use(express.static(path.join(__dirname , env.asset_path)));

//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 scripts 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');


// mongo store is used to store the sessionn cookie in the db
app.use(session({
    name : 'codeial',
    //TODO change the secret before deplyment in productoin mode
    secret : env.session_cookie_key,
    saveUninitialized : false,
    resave : false,
    cookie : {
        maxAge : (1000*60*100)
    },
    store :  MongoStore.create(
        {
            mongoUrl : env.db,
            autoRemove : 'disabled'
        },
        function(err){
            console.log(err || 'connect-mongodb setup ok');
        }
    )
}));

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,function(err){
    if(err){
        // console.log("Error : ",err);
        console.log(`Error in running the server :  ${err}`);
        return;
    }

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