app.js

'use strict';

const request = require('request-promise');
const cheerio = require('cheerio');
const Homey = require('homey');

const BROADCAST_TITLES = [
    'NOS Journaal', 'Nieuwsuur', 'NOS Jeugdjournaal', 'NOS het vragenuurtje', 'NOS Sportjournaal', 'NOS Studio Sport Eredivisie', 'NOS Studio Sport'
];

class NOS extends Homey.App {

	async onInit() {
		this.log(`${this.manifest.id} is running...`);

		this.programMap = {};

		for (let name of BROADCAST_TITLES) {
			this.programMap[name] = {
				token: new Homey.FlowToken(name, { type: 'string', title: name }),
			};
			this.programMap[name].token.register()
				.catch(err => this.error(`failed to register token ${name}`, err));
		}

		await this.updateBroadcasts();

		// Update broadcast urls every 30 minutes
		setInterval(() => {
			this.updateBroadcasts();
		}, 30 * 60 * 1000);
	}

	updateBroadcasts() {
        this.log('updateBroadcasts()');
        return request.get('https://nos.nl/uitzendingen/')
            .then(res => {
                const $ = cheerio.load(res);

                $('.broadcast-link').each((i, data) => {

                    request.get(`https://nos.nl${data.attribs.href}`)
                        .then(videoRes => {
                            let $ = cheerio.load(videoRes);
                            $('source').each((j, test) => {
								//this.log(test);
                                if (test.attribs['data-label'] === 'Hoog - 720p') {
                                    // Parse url, name and date from HTML
                                    const name = $(data.children[0].children[1]).text().trim();
									//this.log(name);
                                    const date = new Date(($(data.children[0].children[2]).attr('datetime').split('+')[0]) + 'Z');
									//this.log(date);
                                    const url = test.attribs.src.replace('https://', '');
									//this.log(url);
                                    if (!BROADCAST_TITLES.includes(name)) return;
                                    // If newer broadcast available, add it
                                    if (typeof this.programMap[name].date === 'undefined' || this.programMap[name].date < date) {
                                        this.programMap[name].url = url;
                                        this.programMap[name].name = name;
                                        this.programMap[name].date = date;
                                        this.programMap[name].token.setValue(url);
                                    }
                                    return;
                                }
                            })
                        });
                });
                return true;
			})
			.catch(err => {
				this.error('failed to update broadcasts', err);
			});
	}
}

module.exports = NOS;