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Fanatical 跨区价格查询

查询不同区域的Fanatical游戏/慈善包的价格

当前为 2018-04-07 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Fanatical Price Checker
  3. // @name:zh-CN   Fanatical 跨区价格查询
  4. // @name:zh-TW   Fanatical 跨區價格查詢
  5. // @namespace    https://www.fanatical.com/
  6. // @version      0.3.1
  7. // @description  Check the price of different regions for Fanatical.
  8. // @description:zh-CN 查询不同区域的Fanatical游戏/慈善包的价格
  9. // @description:zh-TW 查詢不同區域的Fanatical遊戲/慈善包的價格
  10. // @icon         https://cdn.fanatical.com/production/icons/android-chrome-192x192.png
  11. // @author       Thesharing
  12. // @license      MIT
  13. // @include      /^https?://www\.fanatical\.com/en/bundle/.+$
  14. // @include      /^https?://www\.fanatical\.com/en/game/.+$
  15. // @include      /^https?://www\.fanatical\.com/en/dlc/.+$
  16. // @grant        GM_xmlhttpRequest
  17. // @run-at       document-idle
  18. // ==/UserScript==
  19.  
  20. var totalNum = 0;
  21. var priceList = [];
  22. var regionList = ["USD", "CAD", "EUR", "GBP"];
  23. var curList = {};
  24. var urlType = document.URL.split('/')[4];
  25. var targetCur = "CNY";
  26.  
  27. (function () {
  28.     'use strict';
  29.     var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
  30.     var target = document.querySelector('#root');
  31.     var config = {
  32.         attributes: true,
  33.         childList: true,
  34.         characterData: true
  35.     };
  36.     var continuousObserver = new MutationObserver(function (mutations, me) {
  37.         var normalPageContainer = document.getElementsByClassName('product-commerce-container');
  38.         var starDealPageContainer = document.getElementsByClassName('purchase-info-container');
  39.         if (starDealPageContainer.length > 0){
  40.             console.log('STARDEAL');
  41.             addStarDealButton(starDealPageContainer[0]);
  42.         }
  43.         if (normalPageContainer.length > 0) {
  44.             console.log('NORMAL');
  45.             addNormalButton(normalPageContainer[0]);
  46.         }
  47.     });
  48.  
  49.     var subObserver = new MutationObserver(function (mutations, me) {
  50.         var normalPageContainer = document.getElementsByClassName('product-commerce-container');
  51.         if (normalPageContainer.length > 0) {
  52.             addNormalButton(normalPageContainer[0]);
  53.             var subContent = document.querySelector('.content').querySelector('div');
  54.             continuousObserver.observe(subContent, config);
  55.             me.disconnect();
  56.         }
  57.     });
  58.  
  59.     var observer = new MutationObserver(function (mutations, me) {
  60.         var content = document.querySelector('.content');
  61.         if (content) {
  62.             subObserver.observe(content, config);
  63.             me.disconnect();
  64.         }
  65.     });
  66.     observer.observe(target, config);
  67. })();
  68.  
  69. function addNormalButton(container) {
  70.     var outsideContainer = document.createElement('div');
  71.     outsideContainer.className = 'col-12 col-md-6 col-lg-12';
  72.     container.appendChild(outsideContainer);
  73.     var priceContainer = document.createElement('div');
  74.     priceContainer.className = 'p-3 pl-md-1 pl-lg-3 card-block';
  75.     priceContainer.id = 'checkPrice';
  76.     outsideContainer.appendChild(priceContainer);
  77.     var button = document.createElement('button');
  78.     button.className = 'mt-3 cart-btn btn btn-primary btn-lg btn-block';
  79.     button.id = 'checkPriceButton';
  80.     button.onclick = checkPrice;
  81.     var buttonText = document.createElement('b');
  82.     buttonText.id = 'checkPriceButtonText';
  83.     buttonText.appendChild(document.createTextNode('Check Price'));
  84.     button.appendChild(buttonText);
  85.     priceContainer.appendChild(button);
  86.     var checkPriceList = document.createElement('div');
  87.     checkPriceList.id = 'checkPriceList';
  88.     checkPriceList.className = 'mt-3';
  89.     priceContainer.appendChild(checkPriceList);
  90. }
  91.  
  92. function addStarDealButton(container) {
  93.     var priceContainer = document.createElement('div');
  94.     priceContainer.id = 'checkPrice';
  95.     container.appendChild(priceContainer);
  96.     var button = document.createElement('button');
  97.     button.className = 'cart-btn btn btn-primary btn-lg';
  98.     button.id = 'checkPriceButton';
  99.     button.onclick = checkPrice;
  100.     button.style = 'height: 48px; margin-left: 10px;';
  101.     var buttonText = document.createElement('b');
  102.     buttonText.id = 'checkPriceButtonText';
  103.     buttonText.appendChild(document.createTextNode('Check Price'));
  104.     button.appendChild(buttonText);
  105.     priceContainer.appendChild(button);
  106.     var checkPriceList = document.createElement('div');
  107.     checkPriceList.id = 'checkPriceList';
  108.     var title = document.getElementsByClassName('purchase-info-title')[0];
  109.     title.appendChild(checkPriceList);
  110. }
  111.  
  112. function checkPrice() {
  113.     var buttonText = document.getElementById('checkPriceButtonText');
  114.     buttonText.innerText = 'Checking Price...';
  115.     if (urlType == 'bundle') {
  116.         var bundleName = document.URL.split('/')[5];
  117.         GM_xmlhttpRequest({
  118.             method: "GET",
  119.             url: "https://api.fanatical.com/api/products/" + bundleName,
  120.             onload: function (response) {
  121.                 var bundleData = JSON.parse(response.responseText);
  122.                 priceList.length = 0;
  123.                 for (var i = 0; i < bundleData.bundles.length; i++) {
  124.                     var bundlePrice = {};
  125.                     for (var j = 0; j < regionList.length; j++) {
  126.                         var priceItem = {
  127.                             'price': bundleData.bundles[i].price[regionList[j]] / 100,
  128.                             'targetCur': 0
  129.                         };
  130.                         bundlePrice[regionList[j]] = priceItem;
  131.                     }
  132.                     priceList.push(bundlePrice);
  133.                 }
  134.                 fetchCurrency(buttonText);
  135.             }
  136.         });
  137.     } else if (urlType == 'game' || urlType == 'dlc') {
  138.         var gameName = document.URL.split('/')[5];
  139.         GM_xmlhttpRequest({
  140.             method: "GET",
  141.             url: "https://api.fanatical.com/api/products/" + gameName,
  142.             onload: function (response) {
  143.                 var gameData = JSON.parse(response.responseText);
  144.                 var discount = 1.0;
  145.                 if('current_discount' in gameData && 'percent'in gameData.current_discount){
  146.                     discount = 1 - gameData.current_discount.percent;
  147.                 }
  148.                 priceList.length = 0;
  149.                 gamePrice = {};
  150.                 for (var i = 0; i < regionList.length; i++) {
  151.                     var priceItem = {
  152.                         'price': gameData.price[regionList[i]] * discount / 100,
  153.                         'targetCur': 0
  154.                     };
  155.                     gamePrice[regionList[i]] = priceItem;
  156.                 }
  157.                 priceList.push(gamePrice);
  158.                 fetchCurrency(buttonText);
  159.             }
  160.         });
  161.     }
  162. }
  163.  
  164. function fetchCurrency(buttonText) {
  165.     for (var k = 0; k < regionList.length; k++) {
  166.         GM_xmlhttpRequest({
  167.             method: "GET",
  168.             url: "https://finance.google.cn/finance/converter?a=1&from=" + regionList[k] + "&to=" + targetCur,
  169.             context: {
  170.                 'region': regionList[k],
  171.             },
  172.             onload: function (response) {
  173.                 var responseDocument = new DOMParser().parseFromString(response.responseText, "text/html");
  174.                 var result = responseDocument.getElementById('currency_converter_result').innerText;
  175.                 curList[response.context.region] = extractCurrency(result);
  176.                 if (Object.keys(curList).length >= regionList.length) {
  177.                     buttonText.innerText = 'Finished!';
  178.                     if (urlType == 'bundle') {
  179.                         displayBundleResult();
  180.                     } else if (urlType == 'game' || urlType == 'dlc') {
  181.                         displayGameResult();
  182.                     }
  183.                 }
  184.             }
  185.         });
  186.     }
  187. }
  188.  
  189. function extractCurrency(str) {
  190.     return parseFloat(str.trim().split(' ')[3]);
  191. }
  192.  
  193. function displayBundleResult() {
  194.     var cheapList = [];
  195.     for (var i = 0; i < priceList.length; i++) {
  196.         var cheapPrice = 10000.0;
  197.         var cheapRegion = 'USD';
  198.         for (var j = 0; j < regionList.length; j++) {
  199.             var priceItem = priceList[i][regionList[j]];
  200.             priceItem.targetCur = (curList[regionList[j]] * priceItem.price);
  201.             if (priceItem.targetCur < cheapPrice) {
  202.                 cheapPrice = priceItem.targetCur;
  203.                 cheapRegion = regionList[j];
  204.             }
  205.         }
  206.         cheapList.push(cheapRegion);
  207.     }
  208.     // RENDER
  209.     var c = document.getElementById('checkPriceList');
  210.     while (c.firstChild) {
  211.         c.removeChild(c.firstChild);
  212.     }
  213.     for (var k = 0; k < priceList.length; k++) {
  214.         var container = document.createElement('div');
  215.         container.className = 'mt-3';
  216.         c.appendChild(container);
  217.         var titleText = document.createElement('b');
  218.         titleText.appendChild(document.createTextNode('Tier ' + (k + 1).toString()));
  219.         var title = document.createElement('h4');
  220.         title.appendChild(titleText);
  221.         container.appendChild(title);
  222.         for (var l = 0; l < regionList.length; l++) {
  223.             var priceText;
  224.             if (regionList[l] == cheapList[k]) {
  225.                 priceText = document.createElement('b');
  226.             } else {
  227.                 priceText = document.createElement('span');
  228.             }
  229.             var priceValue = priceList[k][regionList[l]];
  230.             priceText.appendChild(document.createTextNode(priceValue.price.toFixed(2) + ' ' + regionList[l] + ' = ' + priceValue.targetCur.toFixed(2) + ' ' + targetCur));
  231.             container.appendChild(priceText);
  232.             container.appendChild(document.createElement('br'));
  233.         }
  234.     }
  235. }
  236.  
  237. function displayGameResult() {
  238.     var cheapPrice = 10000.0;
  239.     var cheapRegion = 'USD';
  240.     for (var j = 0; j < regionList.length; j++) {
  241.         var priceItem = priceList[0][regionList[j]];
  242.         priceItem.targetCur = (curList[regionList[j]] * priceItem.price);
  243.         if (priceItem.targetCur < cheapPrice) {
  244.             cheapPrice = priceItem.targetCur;
  245.             cheapRegion = regionList[j];
  246.         }
  247.     }
  248.     // RENDER
  249.     var c = document.getElementById('checkPriceList');
  250.     while (c.firstChild) {
  251.         c.removeChild(c.firstChild);
  252.     }
  253.     var container = document.createElement('div');
  254.     container.className = 'mt-3';
  255.     c.appendChild(container);
  256.     for (var l = 0; l < regionList.length; l++) {
  257.         var priceText;
  258.         if (regionList[l] == cheapRegion) {
  259.             priceText = document.createElement('b');
  260.         } else {
  261.             priceText = document.createElement('span');
  262.         }
  263.         var priceValue = priceList[0][regionList[l]];
  264.         priceText.appendChild(document.createTextNode(priceValue.price.toFixed(2) + ' ' + regionList[l] + ' = ' + priceValue.targetCur.toFixed(2) + ' ' + targetCur));
  265.         container.appendChild(priceText);
  266.         container.appendChild(document.createElement('br'));
  267.     }
  268. }

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