Gnome Argos extension - Check delivery status

argos-mail-check.10m+.js

#!/home/nahuel/.nvm/versions/node/v11.15.0/bin/node
# ^ replace with your own, of course

const fetch = require('node-fetch');
const fs = require('fs');
const parse = require('node-html-parser').parse;
const notifier = require('node-notifier');

const display = text => {
  console.log(`<small>${text}</small> | color=orange`);
  console.log('---');
};

const URL = 'https://example.com/track/12345';
const saveFile = '/home/nahuel/.config/argos-mail.txt';
# ^ replace with your own, of course

fetch(URL)
  .then(res => res.text())
  .then(body => {
    const root = parse(body);
    const estadoRow = root.querySelectorAll('.table tr');
    let valorReferencia = "";
    estadoRow.forEach((itemEstado, index) => {
      const estado = itemEstado.querySelectorAll('td');
      const valorDisplay = `${estado[0].text.replace("/2019", "")} ${estado[1].text.trim()}`;
      display(valorDisplay);
      if( index === 0 ){
        valorReferencia = valorDisplay;
      }
    });

    fs.readFile(saveFile, "utf8", (err, data) => {
      if (err){
        fs.writeFile(saveFile, valorReferencia, (err) => {
          if (err) throw err;
        });
      } else {
        if( data !== valorReferencia ) {
          notifier.notify({
            title: "Movimiento del paquete!",
            message: valorReferencia
          });
          fs.writeFile(saveFile, valorReferencia, (err) => {
            if (err) throw err;
          });
        }
      }
    });
  })