add web challenge

web/web_toy_workshop/challenge/routes/index.js

@@ -0,0 +1,39 @@
+const express        = require('express');
+const router         = express.Router();
+const bot            = require('../bot');
+
+let db;
+
+const response = data => ({ message: data });
+
+router.get('/', (req, res) => {
+	return res.render('index');
+});
+
+router.post('/api/submit', async (req, res) => {
+
+		const { query } = req.body;
+		if(query){
+			return db.addQuery(query)
+				.then(() => {
+					bot.readQueries(db);
+					res.send(response('Your message is delivered successfully!'));
+				});
+		}
+		return res.status(403).send(response('Please write your query first!'));
+});
+
+router.get('/queries', async (req, res, next) => {
+	if(req.ip != '127.0.0.1') return res.redirect('/');
+
+	return db.getQueries()
+		.then(queries => {
+			res.render('queries', { queries });
+		})
+		.catch(() => res.status(500).send(response('Something went wrong!')));
+});
+
+module.exports = database => { 
+	db = database;
+	return router;
+};