BundleStars Promotion Steam Links

bundlestars-promotion-steam-links.js

/**
 * Name: BundleStars Promotion Steam Links
 * Description: Retrieves markdown formmated steam links for each product in a BundleStars promotion
 * Author: Derek <[email protected]>
 * Last Update: 2016/09/08
 * License: MIT
 */

var promotion = ''; // paste promotion slug here

// XMLHttpRequest
function get(url, callback) {
  var httpRequest = new XMLHttpRequest();
  httpRequest.onreadystatechange = function() {
    if (httpRequest.readyState === XMLHttpRequest.DONE) {
      if (httpRequest.status === 200) {
        callback.call(this, httpRequest.responseText);
      } else {
        console.error("Request Failed: " + url);
      }
    }
  };
  httpRequest.open('GET', url);
  httpRequest.send();
}

// get promotion
get('https://www.bundlestars.com/api/promotions/' + promotion, function(promotionsData) {
  var promotions = JSON.parse(promotionsData),
      output = "",
      count = 0;

  // loop through products
  promotions[0].products.forEach(function(product) {
    get('https://www.bundlestars.com/api/products/' + product.slug, function(productData) {
      var product = JSON.parse(productData);
      output += "[" + product.name + "](http://store.steampowered.com/app/" + product.steam.id + ")\n";
      count++;
    });
  });

  // wait for full response, or timeout after 10 seconds
  var times = 0,
      maxTimes = 50;
      interval = setInterval(function() {
        if (count === promotions[0].products.length) {
          console.log(output);
          clearInterval(interval);
        } else if (times === maxTimes) {
          clearInterval(interval);
        }
      }, 200);
});