server.js

/* eslint-disable no-console */
require('dotenv').config();

const express = require('express');
const helmet = require('helmet');
const mongoose = require('mongoose');
const bodyParser = require('body-parser');
const passport = require('passport');
const cors = require('cors');
const path = require('path');
const adminRoutes = require('./routes/admin');
const userRoutes = require('./routes/user');
const productRoutes = require('./routes/product');
const reviewRoutes = require('./routes/review');
const mongooseConfig = require('./config/mongooseConfig');

const port = process.env.PORT || 5000;
const app = express();


mongoose.set('useFindAndModify', false);

app.use(helmet());

app.use(express.static(path.join(__dirname, 'client', 'build')));

app.use(cors());
app.options('*', cors());

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

const db = require('./config/keys').mongoURI;

mongoose
  .connect(db, mongooseConfig)
  .then(() => {
    if (mongoose.connection.readyState !== 1) {
      console.log('MongoDB disconnected');
    }
  })
  .catch((err) => console.log('Database Connection Error:', err));

app.use(passport.initialize());

require('./config/passport')(passport);

app.use('/api/admin', adminRoutes);
app.use('/api/users', userRoutes);
app.use('/api/products', productRoutes);
app.use('/api/reviews', reviewRoutes);

// eslint-disable-next-line no-unused-vars
app.use((err, req, res, next) => {
  const { errors, status } = err;
  res.status(status || 500).send(errors || 'Internal Server Error');
});

app.get('*', (req, res) => {
  res.sendFile(path.join(__dirname, 'client', 'build', 'index.html'));
});

if (!module.parent) {
  app.listen(port, () => console.log(`Server up and running on port ${port}!`));
}

module.exports = app;