server.js

// sets up server requirements
var express = require('express'),
  bodyParser = require('body-parser'),
  mongoose = require('mongoose');

//require database
var db = require('./DB/db.js');

//creates server
var app = express();

//creates default port
var port = process.env.PORT || 4444;

//middleware
app.use(express.static(__dirname + '/app'));
console.log("Hello")
app.use(bodyParser.json());

// %%%%%%%%%%%This Should Fix our CORS%%%%%%%%%%%%%%%%%%%%
app.use(function(req, res, next){
    res.header('Access-Control-Allow-Origin', '*');
    res.header('Access-Control-Allow-Headers', 'X-Requested-With');
    next();
});
// %%%%%%%%%%%%%^^^^^^^^^^^^^^^%%%%%%%%%%%%%%%%%%%%%%%%%%%

//mongoose connection
mongoose.connect('mongodb://indigozone:indigozone@ds015962.mlab.com:15962/heroku_v75xg8cs'); 

//connects app and port
app.listen(port);

//handles register
app.post('/api/register', function(req,res){
  db.create({
    username: req.body.username,
    password: req.body.password
  }, function(err, user){
    res.send(user);
  });

});

//handles login
app.post('/api/login', function(req,res){
  db.findOne({username:req.body.username}, function(err, user){
    if (err){
      res.send(err);
    } else if(user){
      if(req.body.password === user.password){
        res.send('success');
      }
    } else {
      res.send('failure');
    }
  });

});

//prints sucess when the server is running 
console.log('Server now listening on port: ', port);

//exports the app server
module.exports = app;