text: const express = require ('express');
  const server = express();
  
  const morgan = require('morgan');             // log requests to the console (express4)
  const bodyParser = require('body-parser');    // pull information from HTML POST (express4)
  const methodOverride = require('method-override'); // simulate DELETE and PUT (express4)
  
  const ModuleService = require('./module-service');
  const mService = new ModuleService();
  
  const Contact = require('./module-data');
  
  server.use(morgan('dev'));                                         // log every request to the console
  server.use(bodyParser.json());                                     // parse application/json
  server.use(methodOverride());
  
  server.use( (req, res, next) => {
      res.header("Access-Control-Allow-Origin", "*");
      //res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
      next();
  });
  
  server.get('/contacts', (req, res) => {
      let contacts = mService.getContacts();
      res.json(contacts);
  });
  
  server.get('/contacts/:id', (req, res) => {
      let contact = mService.findContactById(req.params.id);
      res.json(contact);
  });
  
  server.post('/contacts', (req, res) => {
  	console.log('post url=/contacts');
  	
  //	let contact = {
  //		id: null,
  //		address : req.body.address,
  //		phone : req.body.phone
  //	}
  
  	let contact = new Contact(null,req.body.address,req.body.phone);
  	console.log(contact);
  	mService.addContact(contact);
  	
  //	mService.addContact(req.body);
  	
  	res.json(contact);
  });
  
  //server.put('/contacts', (req, res) => {
  //	console.log('put url=/contacts');
  //	
  //	let contact = {
  //		address : req.body.address,
  //		phone : req.body.phone
  //	}
  //
  //	mService.addContact(contact);
  //});
  
  server.delete('/contacts', (req, res) => {
  	console.log('delete url=/contacts');
  	
  	let contact = {
  		id : req.body.id
  //		address : req.body.address,
  //		phone : req.body.phone
  	}
  
  	console.log(contact);
  	
  	mService.deleteContact(contact);
  	
  	res.status('200').end();
  });
  
  server.listen(9484);
  console.log("Access to the app at : http://localhost:9484/");