Node/Express Cannot GET /api/auth/register - node.js

Question

I'm having trouble with my server routes, I had the server on heroku but now have it local to debug,
On browser inspection i get
404 (Not Found)
in browser window
Cannot GET /api/auth/register
My server.js
var express = require('express');
var app = express();
var mongoose = require('mongoose');
var logger = require('morgan');
var bodyParser = require('body-parser');
var databaseConfig = require('./config/database');
var router = require('./app/routes');
//CORS middleware
var allowCrossDomain = function(req, res, next) {
if ('OPTIONS' == req.method) {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,PATCH,OPTIONS');
res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization, Content-Length, X-Requested-With');
res.sendStatus(200);
}
else {
next();
}
};
app.use(allowCrossDomain);
mongoose.connect(databaseConfig.url);
app.listen(process.env.PORT || 8080);
console.log("App listening on port 8080");
app.use(bodyParser.urlencoded({ extended: false })); // Parses urlencoded bodies
app.use(bodyParser.json()); // Send JSON responses
app.use(logger('dev')); // Log requests to API using morgan
router(app);
My routes.js
var AuthenticationController = require('./controllers/authentication'),
ExerciseController = require('./controllers/exercises'),
express = require('express'),
passportService = require('../config/passport'),
passport = require('passport');
var requireAuth = passport.authenticate('jwt', {session: false}),
requireLogin = passport.authenticate('local', {session: false});
module.exports = function(app){
var apiRoutes = express.Router(),
authRoutes = express.Router(),
exerciseRoutes = express.Router();
// Auth Routes
apiRoutes.use('/auth', authRoutes);
//authRoutes.post('/register', AuthenticationController.register);
authRoutes.post('/register', function(req, res){
AuthenticationController.registerUser
});
authRoutes.post('/login', requireLogin, AuthenticationController.login);
authRoutes.get('/protected', requireAuth, function(req, res){
res.sendStatus({ content: 'Success'});
});
// Exercise Routes
apiRoutes.use('/exercises', exerciseRoutes);
exerciseRoutes.get('/', requireAuth, AuthenticationController.roleAuthorization(['client','trainer','admin']), ExerciseController.getExercises);
exerciseRoutes.post('/', requireAuth, AuthenticationController.roleAuthorization(['trainer','admin']), ExerciseController.createExercise);
exerciseRoutes.delete('/:exercise_id', requireAuth, AuthenticationController.roleAuthorization(['trainer','admin']), ExerciseController.deleteExercise);
// Set up routes
app.use('/api', apiRoutes);
}
And my Controller Authentication.js :
var jwt = require('jsonwebtoken');
var User = require('../models/user');
var authConfig = require('../../config/auth');
function generateToken(user){
return jwt.sign(user, authConfig.secret, {
expiresIn: 10080
});
}
function setUserInfo(request){
return {
_id: request._id,
email: request.email,
role: request.role,
trainer: request.trainer,
programs: request.programs
};
}
exports.login = function(req, res, next){
var userInfo = setUserInfo(req.user);
console.log(userInfo)
res.status(200).json({
token: 'JWT ' + generateToken(userInfo),
user: userInfo
});
}
exports.registerUser = function(req, res, next){
var email = req.body.email;
var password = req.body.password;
var role = req.body.role;
var trainer = req.body.trainer;
var programs= req.body.programs;
if(!email){
return res.status(422).send({error: 'You must enter an email address'});
}
if(!password){
return res.status(422).send({error: 'You must enter a password'});
}
User.findOne({email: email}, function(err, existingUser){
if(err){
return next(err);
}
if(existingUser){
return res.status(422).send({error: 'That email address is already in use'});
}
var user = new User({
email: email,
password: password,
role: role,
trainer: trainer,
programs: programs
});
user.save(function(err, user){
if(err){
return next(err);
}
var userInfo = setUserInfo(user);
res.status(201).json({
token: 'JWT ' + generateToken(userInfo),
user: userInfo
})
});
});
}
exports.roleAuthorization = function(roles){
return function(req, res, next){
var user = req.user;
User.findById(user._id, function(err, foundUser){
if(err){
res.status(422).json({error: 'No user found.'});
return next(err);
}
if(roles.indexOf(foundUser.role) > -1){
return next();
}
res.status(401).json({error: 'You are not authorized to view this content'});
return next('Unauthorized');
});
}
}
I dont have much experience with express/node so im not sure where im going wrong, could be something simple im just not able to see, anyways any help is greatly appreciated , not sure if you need more info, this is going to be the back end for an ionic 2 app