registration route

var mongoose = require('mongoose');
var router = require('express').Router();
var passport = require('passport');
var User = mongoose.model('User');
var auth = require('../auth');

router.post('/users', function(req, res, next) {
  // create a user, set its fields to the data from request
  var user = new User();

  user.username = req.body.user.username;
  user.email = req.body.user.email;
  user.setPassword(req.body.user.password);

  // save it in mongoDB and return user object w/ token
  user.save().then(function() {
    return res.json({user: user.toAuthJSON()});
  }).catch(next);
});

module.exports = router;