// ==UserScript==
// @name Steam历史最低价格查询
// @namespace SteamHistoryLowestPrice
// @description 在steam商店页显示当前app历史最低价格及进包次数
// @include https://store.steampowered.com/app/*
// @include https://store.steampowered.com/bundle/*
// @include https://store.steampowered.com/sub/*
// @license MIT
// @version 1.0
// @grant GM_xmlhttpRequest
// @enable true
// jshint esversion:6
// ==/UserScript==
// 显示样式
// 0 = 显示在购买按钮上面
// 1 = 显示在购买信息框上面
const INFO_STYLE = 1;
// 货币区域覆盖，两个字母的国家代号,大小写均可
// 空字符（""）代表不覆盖，使用steam的cookie中steamCountry的值
// 见 https://zh.wikipedia.org/wiki/ISO_3166-1 或 https://en.wikipedia.org/wiki/ISO_3166-1
// 常用 美国USD:"us", 中国CNY: "cn", 英国GBP: "uk", 日本JPY: "jp", 俄国RUS: "ru"
const CC_OVERRIDE = "";
// 货币符号
const CURRENCY_SYMBOLS = {
'AED': 'DH',
'AUD': 'A$',
'BRL': 'R$',
'CAD': 'CDN$',
'CHF': 'CHF',
'CLP': 'CLP$',
'CNY': '¥', // Chines Yuan
'COP': 'COL$',
'CRC': '₡', // Costa Rican Colón
'EUR': '€', // Euro
'GBP': '£', // British Pound Sterling
'HKD': 'HK$',
'IDR': 'Rp',
'ILS': '₪', // Israeli New Sheqel
'INR': '₹', // Indian Rupee
'JPY': '¥', // Japanese Yen
'KRW': '₩', // South Korean Won
'MXN': 'Mex$',
'MYR': 'RM',
'NGN': '₦', // Nigerian Naira
'NOK': 'kr',
'NZD': 'NZ$',
'PEN': 'S/.',
'PHP': '₱', // Philippine Peso
'PLN': 'zł', // Polish Zloty
'PYG': '₲', // Paraguayan Guarani
'RUB': 'pуб',
'SAR': 'SR',
'SGD': 'S$',
'THB': '฿', // Thai Baht
'TRY': 'TL',
'TWD': 'NT$',
'UAH': '₴', // Ukrainian Hryvnia
'USD': '$', // US Dollar
'VND': '₫', // Vietnamese Dong
'ZAR': 'R ',
};
// 查询历史低价包括的商店
const STORES = [
"steam",
// "amazonus",
// "impulse",
// "gamersgate",
// "direct2drive",
// "origin",
// "uplay",
// "indiegalastore",
// "gamesplanet",
// "indiegamestand",
// "gog",
// "nuuvem",
// "dlgamer",
// "humblestore",
// "squenix",
// "bundlestars",
// "fireflower",
// "humblewidgets",
// "newegg",
// "coinplay",
// "wingamestore",
// "macgamestore",
// "gamebillet",
// "silagames",
// "itchio",
// "gamejolt",
// "paradox"
];
// 在app页和愿望单页显示史低价格
let urlMatch = location.href.match(/(app|sub|bundle)\/(\d+)/);
let appId = "";
let type = "";
let subIds = [];
let bundleids = [];
if (urlMatch && urlMatch.length == 3) {
type = urlMatch[1]
appId = urlMatch[2];
}
// console.log('[史低]: ' + type + ' : ' + appId + ', requesting data info...'); // DEBUG
// 获取subs
document.querySelectorAll("input[name=subid]")
.forEach(sub => subIds.push(sub.value));
// 获取bundles
document.querySelectorAll("input[name=bundleid]")
.forEach(sub => bundleids.push(sub.value));
let cc = "cn";
if (CC_OVERRIDE.length > 0) {
// 使用覆盖的货币区域
cc = CC_OVERRIDE;
} else {
// 使用默认的的货币区域
let ccMatch = document.cookie.match(/steamCountry=([a-z]{2})/i);
if (ccMatch !== null && ccMatch.length == 2) {
cc = ccMatch[1];
}
}
AddLowestPriceTag(appId, type, subIds, bundleids, STORES.join(","), cc, location.protocol);
// 在商店页添加史低信息
async function AddLowestPriceTag(appId, type = "app", subIds = [], bundleids = [], stores = "steam", cc = "cn", protocol = "https") {
// 史低信息容器们
let lowestPriceNodes = {};
// 统计subid
let findSubIds = [];
if (type == "bundle") {
// bundle就一个, 视作subid
findSubIds.push(appId);
} else if (type == "app" || type == "sub") {
// app/sub/bundle 可能有好多
findSubIds = subIds.slice();
if (bundleids.length > 0) {
findSubIds.push.apply(findSubIds, bundleids);
}
}
// 寻找每一个subid的购买按钮，生成史低信息容器们
findSubIds.forEach(subId => {
let gameWrapper = null;
try {
gameWrapper = document.querySelector('.game_area_purchase_game input[value="' + subId + '"]');
switch (INFO_STYLE) {
case 0:
gameWrapper = gameWrapper.parentNode.parentNode.querySelector('.game_purchase_action');
break;
case 1:
gameWrapper = gameWrapper.parentNode.parentNode;
break;
}
} catch (ex) {
gameWrapper = null;
}
if (gameWrapper) {
let lowestInfo = document.createElement("div");
lowestInfo.className = "game_lowest_price";
lowestInfo.innerText = "正在读取历史最低价格...";
switch (INFO_STYLE) {
case 0:
gameWrapper.prepend(lowestInfo);
break;
case 1:
gameWrapper.append(lowestInfo);
break;
}
lowestPriceNodes[subId] = lowestInfo;
}
});
// 获取sub们的数据
let data = null;
try {
data = await GettingSteamDBAppInfo(appId, type, subIds, stores, cc, protocol);
if ((typeof data == 'string'))
data = JSON.parse(data);
if (data.result == 'success') {
data = data.data;
} else {
console.log('[史低]: ' + err);
}
} catch (err) {
console.log('[史低]: ' + err);
}
// console.log('[史低]: app ' + appId + ' data : %o', data); // DEBUG
// 解析data
let appInfos = [];
let metaInfo = data ? data[".meta"] : null;
// 如果是bundle， 除了.meta外只有一个bundle/xxx，否则是一大堆xxx
if (type == "bundle") {
data = data.data;
appInfos.push({ Id: appId, Info: data["bundle/" + appId] });
} else if (type == "app" || type == "sub") {
data = data.data;
for (let key in data) {
let appid = key.replace(new RegExp('(app|sub|bundle)/'), "");
if (!isNaN(appid)) {
appInfos.push({ Id: appid, Info: data[key] });
}
}
}
// console.log('[史低]: app ' + appId + ' metaInfo: %o', metaInfo); // DEBUG
// console.log('[史低]: app ' + appId + ' appInfos: %o', appInfos); // DEBUG
// 如果查到info，塞到购买按钮上面去
if (metaInfo && appInfos.length > 0) {
// 获取整体信息
let currencySymbol = metaInfo.currency in CURRENCY_SYMBOLS
? CURRENCY_SYMBOLS[metaInfo.currency]
: metaInfo.currency;
// 为每一个sub或bundle添加史低
appInfos.forEach(app => {
let lowestInfo = lowestPriceNodes[app.Id];
if (lowestInfo) {
lowestInfo.innerHTML =
// 历史最低
'历史最低价是 '
+ '<span style="cursor:help;text-decoration:underline;" title="' + app.Info.lowest.recorded_formatted + '">'
+ new Date(app.Info.lowest.recorded * 1e3).toLocaleDateString()
+ '</span> 时在 '
+ '<a target="_blank" href="' + app.Info.lowest.url + '"> '
+ app.Info.lowest.store
+ '</a> 中的 '
+ '<span class="discount_pct">-' + app.Info.lowest.cut + '%</span>'
+ '<a target="_blank" title="查看价格历史" href="' + app.Info.urls.history + '"> '
+ currencySymbol + ' ' + app.Info.lowest.price
+ '</a>'
// 第二行
+ '<br />'
// 进包次数
+ '进包 <a target="_blank" title="查看进包信息" href="' + app.Info.urls.bundles + '"'
+ (app.Info.bundles && app.Info.bundles.live.length > 0
? ' style="color:#0d0" title="' + app.Info.bundles.live.length + ' 个正在销售的慈善包"'
: '')
+ '> '
+ app.Info.bundles.count
+ ' </a> 次，'
// 当前最低
+ (app.Info.price.price <= app.Info.lowest.price
? '<span class="game_purchase_discount_countdown">当前为历史最低价</span>，'
: '<span>当前最低价是</span>')
+ '在 '
+ '<a target="_blank" href="' + app.Info.price.url + '"> '
+ app.Info.price.store
+ '</a> 中的 '
+ '<span class="discount_pct">-' + app.Info.price.cut + '%</span>'
+ '<a target="_blank" title="查看价格信息" href="' + app.Info.urls.info + '"> '
+ currencySymbol + ' ' + app.Info.price.price
+ '</a>';
}
});
} else {
// metaInfo为空，或者appInfos无内容
console.log('[史低]: get lowest price failed, data = %o', data);
for (let id in lowestPriceNodes) {
lowestPriceNodes[id].innerHTML = "";
}
}
// 返回史低info
return Promise.resolve(lowestPriceNodes);
}
// 获取史低信息
async function GettingSteamDBAppInfo(appId, type = "app", subIds = [], stores = "steam", cc = "cn", protocol = "https") {
let requestPromise = null;
let bundleId = "";
if (type == "bundle") {
bundleId = appId;
} else if (type == "app" || type == "sub") {
bundleId = bundleids.join(',');
}
if (!isNaN(appId) && parseInt(appId) > 0) {
let requestUrl = protocol + "//esapi.isthereanydeal.com/v01/prices/?"
+ "bundleids=" + bundleId
+ "&subids=" + subIds.join(',')
+ "&appids=" + appId
+ "&stores=" + stores
+ "&cc=" + cc
+ "&coupon=true";
// console.log('[史低]: requestUrl: ' + requestUrl); // DEBUG
requestPromise = new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: "GET",
url: requestUrl,
onload: function (response) {
resolve(response.response);
},
onerror: function (error) {
reject(error);
}
});
});
} else {
requestPromise = Promise.reject("Invalid appid");
}
return requestPromise;
}
