Working hours detector

index.js

'use strict';

const express = require('express');
const bodyParser = require('body-parser');
const app = express().use(bodyParser.json()); // creates http server
const token = 'TOKEN'; // type here your verification token

app.get('/', (req, res) => {
	// check if verification token is correct
	if (req.query.token !== token) {
		return res.sendStatus(401);
	}

	// return challenge
	return res.end(req.query.challenge);
});



app.post('/', (req, res) => {
	// check if verification token is correct
	if (req.query.token !== token) {
		return res.sendStatus(401);
	}
  
	// print request body
	console.log(req.body);

	// get server local time
	var today = new Date();
	var hours = today.getHours();
	var minutes = today.getMinutes();

	var afterHours;

	// Check if working hours are OK
	if (hours >= 8 && hours <= 16) {
		if (hours == 16) {
			if (minutes > 30) {
				afterHours = true
			} else afterHours = false
		} else afterHours = false;
	} else afterHours = true;

	if (!afterHours) {
		const data = {
			// return responses
			responses: [
				{
					"type": "text",
					"message": `Working hours OK, time is ${hours}:${minutes}`
				}
			],
			// return attributes
			attributes: {
				workingHours: 'yes'
			}
		};

		res.json(data);
	} else {
		const data = {
			// return responses
			responses: [
				{
					"type": "text",
					"message": `Working hours NOT OK, time is ${hours}:${minutes}`
				}
			],
			// return attributes
			attributes: {
				workingHours: 'no'
			}
		};

		res.json(data);
	}
});

app.listen(3000, () => console.log('[ChatBot] Webhook is listening'));