search-ps5.js

const fetch = require('node-fetch')
const fs = require('fs')
const qs = require('qs')
const { chromium } = require('playwright')

function randomIntFromInterval(min, max) { // min and max included 
  return Math.floor(Math.random() * (max - min + 1) + min)
}

const {
  PUSHOVER_TOKEN,
  PUSHOVER_USER,
} = process.env

async function notifyStock (title, message, url) {
    return await fetch('https://api.pushover.net/1/messages.json', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/x-www-form-urlencoded',
        },
        body: qs.stringify({
            token: PUSHOVER_TOKEN,
            user: PUSHOVER_USER,
            title,
            message,
            url,
            sound: 'cashregister',
        })
    })
}

async function keepSearching () {
  const browser = await chromium.launch({
    executablePath: '/snap/bin/chromium',
    // executablePath: '/usr/bin/firefox',
  })
  const page = await browser.newPage()

  await page.goto('https://www.game.es/ps5-playstation5-reserva')
  const missing_in_game = await page.waitForSelector('text=\'Temporalmente cerrado\'')

  if (!missing_in_game) notifyStock(
    'Reserva en GAME!!',
    'No aparece \'Temporalmente cerrado\'',
    'https://www.game.es/ps5-playstation5-reserva',
  )

  const eshops = [
    ['GAME', 'Temporalmente cerrado', 'https://www.game.es/ps5-playstation5-reserva'],
    ['ECI', 'Agotado temporalmente', 'https://www.elcorteingles.es/videojuegos/A37046604/'],
    ['ECI-dualsense', 'Agotado temporalmente', 'https://www.elcorteingles.es/videojuegos/A39115651/'],
    ['FNAC', 'no disponible', 'https://www.fnac.es/Consola-PlayStation-5-Edicion-Digital-Videoconsola-Consola/a7724836'],
    ['Mediamarkt', 'no está disponible', 'https://www.mediamarkt.es/es/product/_consola-sony-ps5-825-gb-4k-hdr-blanco-1487016.html?tduid=98531e2bd4cfa3df3549974a845e5b4c&utm_source=tradedoubler&utm_medium=aff-content&utm_content=2337934&utm_campaign=affiliate_es_es_mm_conversion_online_mediamarkt_2021-01-01&utm_term=affiliate_es_es_mm_2021-01-01_conversion_tradedoubler_tradedoubler_aff-content_mediamarkt_all_multidevice_2337934_multisize_all_all_all'],
    ['Mediamarkt-spiderman-destruction-allstars', 'no está disponible', 'https://www.mediamarkt.es/es/product/_consola-sony-ps5-825-gb-4k-hdr-blanco-ps5-demon-s-souls-ps5-destruction-allstars-1507147.html?tduid=98531e2bd4cfa3df3549974a845e5b4c&utm_source=tradedoubler&utm_medium=aff-content&utm_content=2337934&utm_campaign=affiliate_es_es_mm_conversion_online_mediamarkt_2021-01-01&utm_term=affiliate_es_es_mm_2021-01-01_conversion_tradedoubler_tradedoubler_aff-content_mediamarkt_all_multidevice_2337934_multisize_all_all_all'],
    ['Worten-dualsense-spiderman', 'No disponible', 'https://www.worten.es/productos/consolas-juegos/playstation/consola/consola-ps5-825gb-7196053'],
    ['Carrefour-spiderman', 'Agotado temporalmente', 'https://www.carrefour.es/playstation-5-marvels-spider-man-miles-morales/VC4A-13751738/p?ic_source=nonfood&ic_medium=undefined&ic_content=cat9020002-consolas-y-videojuegos'],
    ['Carrefour-demonsouls', 'Agotado temporalmente', 'https://www.carrefour.es/playstation-5-demons-souls-remake/VC4A-13751737/p?ic_source=nonfood&ic_medium=undefined&ic_content=cat9020002-consolas-y-videojuegos'],
    ['TheShopGamer', 'Este artículo está agotado. ', 'https://www.ebay.es/itm/133580560834'],
    ['TheShopGamer-dualsense-destruction-allstars', 'Este artículo está agotado. ', 'https://www.ebay.es/itm/114786524897'],
    ['TheShopGamer-cod-black_ops', 'Este artículo está agotado. ', 'https://www.ebay.es/itm/124625637327'],
  ]

  for (const eshop of eshops) {
    let [name, missing_text, url, runCaptcha = async () => {}] = eshop

    page && await page.goto(url, {
        // waitUntil: 'networkidle',
    }).then(async () => {
      console.log('loaded:', name)

      await runCaptcha(page)

      let missing = await page.waitForSelector(`text='${missing_text}'`, {
          timeout: 5000,
      }).catch(() => false)

      if (!missing) {
        notifyStock(
            `Reserva en ${name}!!`,
            `No aparece '${missing_text}'`,
            url,
        )
        await page.screenshot({ path: `screenshots/stock-${name}.png` })
          .catch(() => {})

        let html = await page.innerHTML('body')
        await new Promise(resolve => {
          fs.writeFile(`html/stock-${name}.html`, html, 'utf8', () => {
              resolve()
          })
        })

      } else {
        console.log('missing in', url)
      }
    })
    .catch(() => {})
  }

  // keep searching

  const delay = randomIntFromInterval(30000, 60000)

  console.log(`searching again in ${delay}ms...`)
  setTimeout(() => {
    console.log('searching again...')
    keepSearching()
  }, delay)

  // await page.screenshot({ path: `screenshots/game-reserva.png` })
  await browser.close()
}

keepSearching()