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Last active January 18, 2019 02:10
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Steam賣卡利潤最大化計算器 forked from https://steamcn.com/t199008-1-1
Raw
README.md

Steam賣卡利潤最大化計算器

本專案由 SteamCN 上，@lzstzr 的作品衍生而來

  • 更改實時匯率 API，改為使用 https://tw.rter.info/howto_currencyapi.php
  • 轉換的匯率由 USD->CNY，改為 USD->TWD 以符合臺灣使用者需求
  • 無法獲取實時匯率時，預設匯率改為 1USD = 30.1TWD

修改的版本基於v0.2.19

Raw
SteamCardMaximumProfit.user.js
// ==UserScript==
// @name steam卡牌利润最大化
// @namespace `
// @version 0.2.19
// @author lzghzr
// @description 按照美元区出价, 最大化steam卡牌卖出的利润
// @supportURL https://github.com/lzghzr/GreasemonkeyJS/issues
// @include /^https?:\/\/steamcommunity\.com\/.*\/inventory/
// @license MIT
// @grant GM_xmlhttpRequest
// @run-at document-end
// ==/UserScript==
/// <reference path="SteamCardMaximumProfit.d.ts" />
/**
* 最大化steam卡牌卖出的利润
*
* @class SteamCardMaximumProfit
*/
var SteamCardMaximumProfit = (function () {
function SteamCardMaximumProfit() {
this._D = document;
this._W = unsafeWindow || window;
this._divItems = [];
this._quickSells = [];
}
/**
* 加载程序
*
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype.Start = function () {
var _this = this;
this._AddUI();
this._DoLoop();
var elmDivActiveInventoryPage = this._D.querySelector('#inventories');
// 创建观察者对象
var observer = new MutationObserver(function (rec) {
if (location.hash.match(/^#753|^$/)) {
// 有点丑的复选框
for (var _i = 0, rec_1 = rec; _i < rec_1.length; _i++) {
var r = rec_1[_i];
var rt = r.target;
if (rt.classList.contains('inventory_page')) {
var itemHolders = rt.querySelectorAll('.itemHolder');
for (var i = 0; i < itemHolders.length; i++) {
var rgItem = _this._GetRgItem(itemHolders[i]);
if (rgItem != null && _this._divItems.indexOf(rgItem.element) === -1 && rgItem.description.appid === 753 && rgItem.description.marketable === 1) {
_this._divItems.push(rgItem.element);
// 选择框
var elmDiv = _this._D.createElement('div');
elmDiv.classList.add('scmpItemCheckbox');
rgItem.element.appendChild(elmDiv);
}
}
}
}
}
});
// 传入目标节点和观察选项
observer.observe(elmDivActiveInventoryPage, { childList: true, subtree: true, attributes: true, attributeFilter: ['style'] });
};
/**
* 添加样式, 复选框和汇率输入框
*
* @private
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype._AddUI = function () {
var _this = this;
// 样式
var elmStyle = this._D.createElement('style');
elmStyle.innerHTML = "\n .scmpItemSelect {\n background: yellow;\n }\n .scmpItemRun {\n background: blue;\n }\n .scmpItemSuccess {\n background: green;\n }\n .scmpItemError {\n background: red;\n }\n .scmpQuickSell {\n margin: 0 0 1em;\n }\n .scmpItemCheckbox {\n position: absolute;\n z-index: 100;\n top: 0;\n left: 0;\n width: 20px;\n height: 20px;\n border: 2px solid yellow;\n opacity: 0.7;\n cursor: default;\n }\n .scmpItemCheckbox:hover {\n opacity: 1;\n }\n #scmpExch {\n width: 5em;\n }";
this._D.body.appendChild(elmStyle);
// 插入快速出售按钮
var elmDivInventoryPageRight = this._D.querySelector('.inventory_page_right');
var elmDiv = this._D.createElement('div');
elmDiv.innerHTML = "\n <div class=\"scmpQuickSell\">\u5EFA\u8BAE\u6700\u4F4E\u552E\u4EF7: <span class=\"btn_green_white_innerfade scmpQuickSellItem\">null</span> <span class=\"btn_green_white_innerfade scmpQuickSellItem\">null</span></div>\n <div>\u6C47\u7387: <input class=\"filter_search_box\" id=\"scmpExch\" type=\"text\"><span class=\"btn_green_white_innerfade\" id=\"scmpQuickAllItem\">\u5FEB\u901F\u51FA\u552E</span> \u5269\u4F59: <span id=\"scmpQuickSurplus\">0</span> \u5931\u8D25: <span id=\"scmpQuickError\">0</span></div>";
elmDivInventoryPageRight.appendChild(elmDiv);
// 获取快速出售按钮
var elmSpanQuickSellItems = elmDiv.querySelectorAll('.scmpQuickSellItem');
this._spanQuickSurplus = elmDiv.querySelector('#scmpQuickSurplus');
this._spanQuickError = elmDiv.querySelector('#scmpQuickError');
// 监听事件
this._D.addEventListener('click', function (ev) {
var evt = ev.target;
// 点击物品
if (evt.className === 'inventory_item_link') {
elmSpanQuickSellItems[0].innerText = 'null';
elmSpanQuickSellItems[1].innerText = 'null';
var rgItem = _this._GetRgItem(evt.parentNode);
_this._GetPriceOverview({ rgItem: rgItem })
.then(function (resolve) {
elmSpanQuickSellItems[0].innerText = resolve.firstFormatPrice;
elmSpanQuickSellItems[1].innerText = resolve.secondFormatPrice;
})
.catch(function (reject) {
reject.status = 'error';
_this._QuickSellStatus(reject);
});
}
else if (evt.classList.contains('scmpItemCheckbox')) {
var rgItem = _this._GetRgItem(evt.parentNode);
var select_1 = evt.classList.contains('scmpItemSelect');
// 改变背景
var ChangeClass = function (elmDiv) {
var elmCheckbox = elmDiv.querySelector('.scmpItemCheckbox');
if (elmDiv.parentNode.style.display !== 'none' && elmCheckbox.classList.contains('scmpItemSuccess') === false) {
elmCheckbox.classList.remove('scmpItemError');
elmCheckbox.classList.toggle('scmpItemSelect', !select_1);
}
};
// shift多选
if (_this._divLastChecked != null && ev.shiftKey) {
var start = _this._divItems.indexOf(_this._divLastChecked);
var end = _this._divItems.indexOf(rgItem.element);
var someDivItems = _this._divItems.slice(Math.min(start, end), Math.max(start, end) + 1);
for (var _i = 0, someDivItems_1 = someDivItems; _i < someDivItems_1.length; _i++) {
var y = someDivItems_1[_i];
ChangeClass(y);
}
}
else {
ChangeClass(rgItem.element);
}
_this._divLastChecked = rgItem.element;
}
});
// 点击快速出售
var elmDivQuickSellItem = this._D.querySelectorAll('.scmpQuickSellItem');
for (var i = 0; i < elmDivQuickSellItem.length; i++) {
elmDivQuickSellItem[i].addEventListener('click', function (ev) {
var evt = ev.target;
var rgItem = _this._GetRgItem(_this._D.querySelector('.activeInfo'));
if (rgItem.element.querySelector('.scmpItemCheckbox').classList.contains('scmpItemSuccess') === false && evt.innerText != 'null') {
var price = _this._W.GetPriceValueAsInt(evt.innerText);
_this._QuickSellItem({ rgItem: rgItem, price: price });
}
});
}
// 点击全部出售
this._D.querySelector('#scmpQuickAllItem').addEventListener('click', function () {
var itemInfos = _this._D.querySelectorAll('.scmpItemSelect');
for (var i = 0; i < itemInfos.length; i++) {
var rgItem = _this._GetRgItem(itemInfos[i].parentNode);
if (rgItem.description.marketable === 1)
_this._quickSells.push({ rgItem: rgItem });
}
});
// 改变汇率
// Modified for Taiwanese Users
this._inputUSDCNY = elmDiv.querySelector('#scmpExch');
this._inputUSDCNY.value = '30.1';
// 在线获取实时汇率
GM_xmlhttpRequest({
method: 'GET',
url: "https://tw.rter.info/capi.php",
responseType: 'json',
onload: function (res) {
if (res.status === 200)
_this._inputUSDCNY.value = res.response.USDTWD.Exrate;
// Use rter.info API to get USDTWD exchange rate
}
});
};
/**
* 获取美元区价格
*
* @private
* @param {itemInfo} itemInfo
* @returns {Promise<itemInfo>}
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype._GetPriceOverview = function (itemInfo) {
var _this = this;
return new Promise(function (resolved, rejected) {
var priceoverview = "/market/priceoverview/?country=US&currency=1&appid=" + itemInfo.rgItem.description.appid + "&market_hash_name=" + encodeURIComponent(_this._W.GetMarketHashName(itemInfo.rgItem.description));
_this._XHR(priceoverview, 'json')
.then(function (resolve) {
if (resolve != null && resolve.success && resolve.lowest_price !== '') {
// 对$进行处理, 否则会报错
itemInfo.lowestPrice = resolve.lowest_price.replace('$', '');
resolved(_this._CalculatePrice(itemInfo));
}
else {
var marketListings = "/market/listings/" + itemInfo.rgItem.description.appid + "/" + encodeURIComponent(_this._W.GetMarketHashName(itemInfo.rgItem.description));
_this._XHR(marketListings)
.then(function (resolve) {
var marketLoadOrderSpread = resolve.toString().match(/Market_LoadOrderSpread\( (\d+)/);
if (marketLoadOrderSpread != null) {
var nameid = marketLoadOrderSpread[1];
var marketItemordershistogram = "/market/itemordershistogram/?country=US&language=english&currency=1&item_nameid=" + nameid + "&two_factor=0";
return _this._XHR(marketItemordershistogram, 'json');
}
else {
return Promise.reject(itemInfo);
}
})
.then(function (resolve) {
if (resolve != null && resolve.success) {
// 转换为带有一个空格的字符串
itemInfo.lowestPrice = ' ' + resolve.sell_order_graph[0][0];
resolved(_this._CalculatePrice(itemInfo));
}
})
.catch(function () {
rejected(itemInfo);
});
}
})
.catch(function () {
rejected(itemInfo);
});
});
};
/**
* 计算价格
*
* @private
* @param {itemInfo} itemInfo
* @returns {itemInfo}
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype._CalculatePrice = function (itemInfo) {
// 格式化取整
var firstPrice = this._W.GetPriceValueAsInt(itemInfo.lowestPrice);
// 手续费
var publisherFee = itemInfo.rgItem.description.market_fee || this._W.g_rgWalletInfo.wallet_publisher_fee_percent_default;
var feeInfo = this._W.CalculateFeeAmount(firstPrice, publisherFee);
firstPrice = firstPrice - feeInfo.fees;
// 换算成人民币
itemInfo.firstPrice = Math.floor(firstPrice * parseFloat(this._inputUSDCNY.value));
// 美元区+1美分
itemInfo.secondPrice = Math.floor((firstPrice + 1) * parseFloat(this._inputUSDCNY.value));
// 格式化
itemInfo.firstFormatPrice = this._W.v_currencyformat(itemInfo.firstPrice, this._W.GetCurrencyCode(this._W.g_rgWalletInfo.wallet_currency));
itemInfo.secondFormatPrice = this._W.v_currencyformat(itemInfo.secondPrice, this._W.GetCurrencyCode(this._W.g_rgWalletInfo.wallet_currency));
return itemInfo;
};
/**
* 快速出售
*
* @private
* @param {itemInfo} itemInfo
* @returns {Promise<void>}
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype._QuickSellItem = function (itemInfo) {
var _this = this;
var price = itemInfo.price || itemInfo.firstPrice;
itemInfo.status = 'run';
this._QuickSellStatus(itemInfo);
var marketSellitem = "https://steamcommunity.com/market/sellitem/?sessionid=" + this._W.g_sessionID + "&appid=" + itemInfo.rgItem.description.appid + "&contextid=" + itemInfo.rgItem.contextid + "&assetid=" + itemInfo.rgItem.assetid + "&amount=1&price=" + price;
return this._XHR(marketSellitem, 'json', 'POST', true)
.then(function (resolve) {
if (resolve != null && resolve.success) {
itemInfo.status = 'success';
_this._QuickSellStatus(itemInfo);
}
else {
itemInfo.status = 'error';
_this._QuickSellStatus(itemInfo);
}
})
.catch(function () {
itemInfo.status = 'error';
_this._QuickSellStatus(itemInfo);
});
};
/**
* 就是改一下框框
*
* @private
* @param {itemInfo} itemInfo
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype._QuickSellStatus = function (itemInfo) {
var elmCheckbox = itemInfo.rgItem.element.querySelector('.scmpItemCheckbox');
if (itemInfo.status === 'run') {
this._spanQuickSurplus.innerText = this._quickSells.length.toString();
elmCheckbox.classList.remove('scmpItemError');
elmCheckbox.classList.remove('scmpItemSelect');
elmCheckbox.classList.add('scmpItemRun');
}
else if (itemInfo.status === 'success') {
elmCheckbox.classList.remove('scmpItemError');
elmCheckbox.classList.remove('scmpItemRun');
elmCheckbox.classList.add('scmpItemSuccess');
}
else if (itemInfo.status === 'error') {
this._spanQuickError.innerText = (parseInt(this._spanQuickError.innerText) + 1).toString();
elmCheckbox.classList.remove('scmpItemRun');
elmCheckbox.classList.add('scmpItemError');
elmCheckbox.classList.add('scmpItemSelect');
}
};
/**
* 批量出售采用轮询
*
* @private
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype._DoLoop = function () {
var _this = this;
var itemInfo = this._quickSells.shift();
if (itemInfo !== undefined) {
this._GetPriceOverview(itemInfo)
.then(function (resolve) {
return _this._QuickSellItem(resolve);
})
.then(function () {
_this._DoLoop();
});
}
else {
setTimeout(function () {
_this._DoLoop();
}, 500);
}
};
/**
* 为了兼容火狐sandbox的wrappedJSObject
*
* @private
* @param {HTMLDivElement} elmDiv
* @returns {rgItem}
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype._GetRgItem = function (elmDiv) {
return ('wrappedJSObject' in elmDiv) ? elmDiv.wrappedJSObject.rgItem : elmDiv.rgItem;
};
/**
* 使用Promise封装xhr
*
* @private
* @template T
* @param {string} url
* @param {string} [type='']
* @param {string} [method='GET']
* @param {boolean} [cookie=false]
* @returns {Promise<T>}
* @memberOf SteamCardMaximumProfit
*/
SteamCardMaximumProfit.prototype._XHR = function (url, type, method, cookie) {
var _this = this;
if (type === void 0) { type = ''; }
if (method === void 0) { method = 'GET'; }
if (cookie === void 0) { cookie = false; }
return new Promise(function (resolve, reject) {
// 并不需要处理错误
var timeout = setTimeout(reject, 3e4); //30秒
var path = url;
if (type === 'jsonp') {
// 感觉引入jquery还是太大材小用
var cbRandom_1 = Math.floor(Math.random() * 1e15);
var elmScript_1 = _this._D.createElement('script');
_this._D.body.appendChild(elmScript_1);
_this._W["cb" + cbRandom_1] = function (json) {
clearTimeout(timeout);
_this._D.body.removeChild(elmScript_1);
_this._W["cb" + cbRandom_1] = undefined;
resolve(json);
};
elmScript_1.src = path + "&callback=cb" + cbRandom_1 + "&_=" + Date.now() + " ";
}
else {
var postData = '';
var xhr = new XMLHttpRequest();
if (method === 'POST') {
path = url.split('?')[0];
postData = url.split('?')[1];
}
xhr.open(method, path, true);
if (method === 'POST')
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
if (cookie)
xhr.withCredentials = true;
xhr.responseType = type;
xhr.onload = function (ev) {
clearTimeout(timeout);
resolve(ev.target.response);
};
xhr.send(postData);
}
});
};
return SteamCardMaximumProfit;
}());
var scmp = new SteamCardMaximumProfit();
scmp.Start();
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