app.js

'use strict';

// load modules

const express = require('express');

const morgan = require('morgan');

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

// variable to enable global error logging

const enableGlobalErrorLogging = process.env.ENABLE_GLOBAL_ERROR_LOGGING === 'true';

// create the Express app

const app = express();

app.use(express.json());

// setup morgan which gives us http request logging

app.use(morgan('dev'));

// TODO setup your api routes here

var routes = require('./routes/index');

var api = require('./routes/api');

app.use('/', routes);

app.use('/api', api);

// setup a friendly greeting for the root route

app.get('/', (req, res) => {
  res.json({
    message: 'Welcome to the REST API project!',
  });
});

// send 404 if no other route matched

app.use((req, res) => {
  res.status(404).json({
    message: 'Route Not Found',
  });
});

// setup a global error handler

app.use((err, req, res, next) => {
  if (enableGlobalErrorLogging) {
    console.error(`Global error handler: ${JSON.stringify(err.stack)}`);
  }

  res.status(err.status || 500).json({
    message: err.message,
    error: {},
  });
});

// set our port

app.set('port', process.env.PORT || 5000);

// start listening on our port

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