app.js

require('dotenv').config();
const express = require('express');
const app = express();
const path = require('path');
const bodyParser = require('body-parser');
const cors = require('cors');
const passport = require('passport');
const port = process.env.PORT || 4000;
const mongoose = require('mongoose');
const session = require('express-session');
const cookieParser = require('cookie-parser');
const history = require('connect-history-api-fallback');

// use cors for cross-origin accessibility
app.use(cors());

//body-parser middleware
// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({
  extended: false
}));
// parse application/json
app.use(bodyParser.json());

// session
app.use(cookieParser());
app.use(session({
  secret: `${process.env.secret}`,
  resave: true,
  saveUninitialized: false,
  cookie: {
    expires: false,
  },
  // session: true
}));

//Passport
app.use(passport.initialize());
app.use(passport.session());
// calling passport strategy function
require('./config/passport')(passport);

app.use(express.static(path.join(__dirname, '/dist/web-challenge')));
// app.use('/',path.join(__dirname,'/dist/mean/index.html'));
// for fallback and relaoding to work
app.use(history());

// connecting mongo
mongoose.Promise = global.Promise;
mongoose.connect(process.env.mongoUri, {
    useNewUrlParser: true
  })
  .then(() => {
    console.log('connected mongo');
  })
  .catch((err) => {
    console.log(err);
  });

app.get('/', (req, res) => {
  res.sendFile(path.join(__dirname, '/dist/web-challenge/index.html'));
});

// test routes
app.get('/test', (req, res) => {
  res.send('test works!!');
});

// users routes
const users = require('./server/users');
app.use('/users', users);
const products = require('./server/product');
app.use('/products', products);


// for all other routes
app.get('**', (req, res) => {
  res.sendFile(path.join(__dirname, './dist/web-challenge/index.html'));
});

const server = app.listen(port, () => {
  console.log(`listening on ${port}`);
});

module.exports = server;

// https: //auctioner.herokuapp.com/allProducts