User route not serving?

var router = require('./router.js');

// Create the web server
const http = require('http');

const hostname = '127.0.0.1';
const port = 3000;

const server = http.createServer( (request, response) => {
    router.home(request, response); 
    //router.user(request, response); 
});

server.listen(port, hostname, () => {
  console.log(`Server running at http://${hostname}:${port}/`);
});

var Profile = require("./profile.js");

// Handle the http route GET / and POST / i.e. Home
const homeRoute = (request, response) => {
    // if url == '/' && GET 
    if(request.url === "/") {
        // show search field
        response.statusCode = 200;
        response.setHeader('Content-Type', 'text/plain');   
        response.write('Header\n');
        response.write('Search\n');
        response.end('Footer\n');
    }

    // if url == '/' && POST
        // redirect to /:username
}

// Handle the http route for GET /:username i.e. /veryspry
const userRoute = (request, response) => {

    var username = request.url.replace('/', '');


    if (username > 0) {
        response.statusCode = 200;
        response.setHeader('Content-Type', 'text/plain');   
        response.write('Header\n');

        // get json from treehouse

        var studentProfile = new Profile(username);
        console.log(studentProfile);
        // on the end
        studentProfile.on("end", function(profileJSON) {
            // show the profile

            // Store the values that we need
            var values = {
                avatarURL: profileJSON.gravatar_url,
                username: profileJSON.profile_name,
                badges: profileJSON.badges.length,
                javascriptPoints: profileJSON.points.JavaScript
            }
            // Simple response
            response.write(values.username + 'has' + values.badges + '\n');
            response.end('Footer\n');

        }); 

        // on error
        studentProfile.on("error", function(error) {
            // Show error
            response.end('Footer\n');
        }); 

        // if url == '/.....'       
    }
}

module.exports.home = homeRoute;
module.exports.user = userRoute;

var EventEmitter = require("events").EventEmitter;
var https = require("https");
var http = require("http");
var util = require("util");

/**
 * An EventEmitter to get a Treehouse students profile.
 * @param username
 * @constructor
 */
function Profile(username) { 

    EventEmitter.call(this);

    profileEmitter = this;

    //Connect to the API URL (https://teamtreehouse.com/username.json)
    var request = https.get("https://teamtreehouse.com/" + username + ".json", function(response) {
        var body = "";

        if (response.statusCode !== 200) {
            request.abort();
            //Status Code Error
            profileEmitter.emit("error", new Error("There was an error getting the profile for " + username + ". (" + http.STATUS_CODES[response.statusCode] + ")"));
        }

        //Read the data
        response.on('data', function (chunk) {
            body += chunk;
            profileEmitter.emit("data", chunk);
        });

        response.on('end', function () {
            if(response.statusCode === 200) {
                try {
                    //Parse the data
                    var profile = JSON.parse(body);
                    profileEmitter.emit("end", profile);
                } catch (error) {
                    profileEmitter.emit("error", error);
                }
            }
        }).on("error", function(error){
            profileEmitter.emit("error", error);
        });
    });
}

util.inherits( Profile, EventEmitter );

module.exports = Profile;