Bürgerbot 2.0

app.js

const puppeteer = require("puppeteer");
const notifier = require("node-notifier");
const opn = require("opn");

const url =
  "https://service.berlin.de/terminvereinbarung/termin/tag.php?termin=1&dienstleister=327427&anliegen[]=318998&herkunft=1";

const pollIntervalSeconds = 30;

const extract = async page => {
  const nichtBuchbar = await page.$x("//td[@class='nichtbuchbar']");
  const unklar = await page.$x("//td[@class='']");
  const buchbar = await page.$x("//td[@class='buchbar']");
  console.log(new Date(), {
    nichtBuchbar: nichtBuchbar.length,
    unklar: unklar.length,
    buchbar: buchbar.length
  });

  if (buchbar.length > 0) {
    notifier.notify(
      {
        title: "Terminbuchung",
        message: "Möglicherweise Termin buchbar!"
      },
      function(error, response, metadata) {
        opn(url);
      }
    );
  }
};

const requestAmt = async () => {
  const browser = await puppeteer.launch({
    defaultViewport: null
  });

  const page = await browser.newPage();

  await page.goto(url);

  await extract(page);

  await page.click(".next");

  await extract(page);

  await browser.close();
};

setInterval(async () => {
  await requestAmt().catch(e => {
    console.error(e);
  });
}, 1000 * pollIntervalSeconds);