server.js

/*jshint esversion: 6 */

//INITIALIZE DEPENDENCIES
const express = require('express'); //Express.js
const app = express(); //Express.js app
const MongoClient = require('mongodb').MongoClient; //MongoDB client
const bodyParser = require('body-parser'); //To parse URL information
const path = require('path'); //Path - inside NODE
const hbs = require('./utils/hbs'); //Handlebars 
const passport = require('passport'); //passportjs
const GoogleStrategy = require('passport-google-oauth').OAuthStrategy; //passportjs Google strategy
const keys = require('./config/keys');
const session = require('express-session');
const mongoose = require('mongoose');
const passportSetup = require('./config/passport-setup');


//set to use handlebars as view engine
app.set('view engine', 'hbs');

//Setting the pathnames and middleware
hbs.registerPartials(__dirname + '/views/partials');

//To use CSS files:
app.use(express.static(path.join(__dirname + '/public')));

//Initialize session cookies 
app.use(session({
  secret: keys.session.cookieKey,
  resave: false,
  saveUninitialized: true,
}));

//Initialize Passport
app.use(passport.initialize());
app.use(passport.session());

//Initialize the routes this app will do

require('./routes/main-routes')(app);
const authRoutes = require('./routes/oauthroutes');

app.use('/auth', authRoutes);

//Initialize Mongoose to connect to DB using URI in keys
mongoose.connect(keys.mongodb.dbURI, () => {
  console.log('connected to monbodb');
});

//Port number and start listening on PORT
const PORT = 3000;
app.listen(PORT, () => {
  console.log("app listening on port: " + PORT);
});