downloadApp.js

const { join: joinPath } = require('node:path');

const fetch = require('node-fetch');
const { load } = require('cheerio');
const { dloadFromURL } = require('./FileDownloader.js');

/**
 * @param {import('ws').WebSocket} ws
 */
async function downloadApp(ws) {
  const { version, arch } = global.apkInfo;
  const apkMirrorVersionArg = version.replace(/\./g, '-');
  const link = global.jarNames.selectedApp.link;

  let versionDownload = await fetch(
    `https://www.apkmirror.com${link}${
      link.split('/')[3]
    }-${apkMirrorVersionArg}-release/`
  );

  if (!versionDownload.ok) {
    ws.send(
      JSON.stringify({
        event: 'error',
        error: `Failed to scrape download link for ${version}.<br>Please try downgrading.`
      })
    );

    return;
  }

  const versionDownloadList = await versionDownload.text();

  const $ = load(versionDownloadList);

  const dlLink =
    arch &&
    global.jarNames.selectedApp.packageName ===
      'com.google.android.apps.youtube.music'
      ? $(`div:contains("${arch}")`)
          .parent()
          .children('div[class^="table-cell rowheight"]')
          .first()
          .children('a[class="accent_color"]')
          .first()
          .attr('href')
      : $('span[class="apkm-badge"]')
          .first()
          .parent()
          .children('a[class="accent_color"]')
          .first()
          .attr('href');

  if (!dlLink) {
    return ws.send(
      JSON.stringify({
        event: 'error',
        error: `The version ${version} does not have an APK available, please use an older version.`
      })
    );
  }
  const downloadLinkPage = await fetch(
    `https://www.apkmirror.com${dlLink}`
  ).then((res) => res.text());

  const $2 = load(downloadLinkPage);
  const pageLink = $2('a[class^="accent_bg btn btn-flat downloadButton"]')
    .first()
    .attr('href');

  const downloadPage = await fetch(`https://www.apkmirror.com${pageLink}`).then(
    (res) => res.text()
  );
  const $3 = load(downloadPage);
  const apkLink = $3('a[rel="nofollow"]').first().attr('href');

  await dloadFromURL(
    `https://www.apkmirror.com${apkLink}`,
    `${joinPath(
      global.revancedDir,
      global.jarNames.selectedApp.packageName
    )}.apk`,
    ws
  );

  ws.send(
    JSON.stringify({
      event: 'finished'
    })
  );
}

module.exports = {
  downloadApp
};