users.js

var express = require('express');
var router = express.Router();

var User = require('../models/user');
var controller = require('../controllers/users');
var auth = require('../middlewares/auth.js');

// List all users
router.get('/', auth.validateToken, auth.loginRequired, function (req, res, next) {
  User.find({}, (err, users) => {
    if (err) {
      res.status(520).json({ error: { message: err } });
    } else {
      res.json({ "data": users });
    }
  });
});

// Create a new user
router.post('/', function (req, res, next) {
  let user = new User({
    password: req.body.password,
    email: req.body.email
  });
  controller.save(user)
    .then(user => {
      res.json({ data: null });
    })
    .catch(err => {
      if (err.code == 11000) {
        return res.status(409).json({ error: { message: 'email already taken' } });
      }
      res.status(520).json({ error: { message: err } });
    })
});

router.get('/:email', function (req, res, next) {
  controller.validateEmail(req.params.email)
    .then(email => {
      if (email) {
        res.status(409).json({ error: { message: 'email already taken' } });
      } else {
        res.json({ data: null });
      }
    })
    .catch(err => {
      console.log(err);
    })
})
module.exports = router;