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在Steam社区"已关注的游戏"页面显示游戏的价格
// ==UserScript==
// @name Show prices on Steam followedgames page
// @namespace http://tampermonkey.net/
// @version 0.2
// @description 在Steam社区"已关注的游戏"页面显示游戏的价格
// @author lyzlyslyc
// @match http*://steamcommunity.com/*/followedgames*
// @icon https://store.steampowered.com/favicon.ico
// @grant GM_xmlhttpRequest
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Your code here...
let interval = 1000;
let requestTimeout = 3e3;
let cc="";
//查询账号区域
console.log("Checking country.");
getCountryCode();
function getCountryCode(){
GM_xmlhttpRequest({
method: "get",
url: `https://store.steampowered.com/api/getfundwalletinfo/`,
responseType: "json",
timeout: requestTimeout,
onload: (result)=>{
result = result.response;
if(result.success){
cc=result.country_code;
console.log(`Country code:${cc}`);
}
setInterval(requestPrice,interval);
},
ontimeout:()=>{
getCountryCode();
console.log("Checking country timeout. Retrying.");
},
onerror:(e)=>{
console.log("Checking country error.");
console.log(e);
}
})
}
function requestPrice(){
//获取关注列表
let apps = document.querySelector(".games_list_rows").children;
let queryList = {};
let appidString = "";
for(let i=0;i<apps.length;i++){
if(apps[i].hasPrice||apps[i].hasPrice=="loading")continue;
//找到第一个没查询且在可视区域内的app
if(isAppVisible(apps[i])){
//前后查询50个
let min = (i-25)<0?0:(i-25);
let max = (i+25)>apps.length?apps.length:(i+25);
for(let j = min;j<max&&j<apps.length;j++){
if(apps[j].hasPrice||apps[j].hasPrice=="loading"){
max++;
continue;
}
let appUrl = apps[j].querySelector("a").href;
if(appUrl){
//获取appid
let appId = appUrl.match(/app\/(\d+)/)[1];
apps[j].hasPrice = "loading";
queryList[appId] = apps[j];
appidString+=appId+",";
}
}
break;
}
}
if(appidString=="")return;
//发送查询请求
GM_xmlhttpRequest({
method: "get",
url: `https://store.steampowered.com/api/appdetails?appids=${appidString}&cc=${cc}&filters=price_overview`,
responseType: "json",
timeout: requestTimeout,
onload: handleResult,
ontimeout:handleTimeout
})
console.log(`Request:${appidString}`);
function handleResult(result){
try{
result = result.response;
let appId;
//对每一个app
for(appId in result){
//获取app信息：success和data
let appInfo = result[appId];
let price = null;
//应用已下架,success===false
if(!appInfo.success){
price = {
discount_percent: 0,
final : 0,
final_formatted: "Not for Sale"
};
}
//如果data为空，无法判断是免费或者还是未发售，需要继续请求
else if(appInfo.data.length===0){
//发送查询请求
GM_xmlhttpRequest({
method: "get",
url: `https://store.steampowered.com/api/appdetails?appids=${appId}&cc=${cc}`,
responseType: "json",
timeout: requestTimeout,
onload: handleResult,
ontimeout:handleTimeout
})
console.log(`RequestDetail:${appId}`);
continue;
}
//此处处理上面分支发送的请求
else if(appInfo.data.name){
//即将发售
if(appInfo.data.release_date.coming_soon){
price = {
discount_percent: 0,
final : 0,
final_formatted: "Coming Soon"
};
}
//免费
else if(appInfo.data.is_free){
price = {
discount_percent: 0,
final : 0,
final_formatted: "Free to Play"
};
}
}
else price = appInfo.data.price_overview;
//添加结果
let content = generatePrice(price);
let span = queryList[appId].querySelector(".game_purchase_action_bg");
if(!span)span = document.createElement("span");
span.innerHTML = content;
span.className = "game_purchase_action_bg";
let a = queryList[appId].querySelector(".followed_game_actions a");
a.parentElement.prepend(span);
queryList[appId].hasPrice = true;
}
}
catch(e){
let content =
`<span class="discount_block no_discount discount_block_inline" data-price-final="0">`+
'<div class="discount_prices">'+
`<div class="discount_final_price">Request Error</div>`+
'</div>'+
'</span>';
let appId;
for(appId in queryList){
if(queryList[appId].hasPrice==true)continue;
let span = queryList[appId].querySelector(".game_purchase_action_bg");
if(!span)span = document.createElement("span");
span.innerHTML = content;
span.className = "game_purchase_action_bg";
let a = queryList[appId].querySelector(".followed_game_actions a");
a.parentElement.prepend(span);
queryList[appId].hasPrice = false;
console.log(`Error:${appId}`);
console.log(e);
}
}
}
function handleTimeout(){
let content =
`<span class="discount_block no_discount discount_block_inline" data-price-final="0">`+
'<div class="discount_prices">'+
`<div class="discount_final_price">Request Timeout</div>`+
'</div>'+
'</span>';
let appId;
for(appId in queryList){
if(queryList[appId].hasPrice==true)continue;
let span = queryList[appId].querySelector(".game_purchase_action_bg");
if(!span)span = document.createElement("span");
span.innerHTML = content;
span.className = "game_purchase_action_bg";
let a = queryList[appId].querySelector(".followed_game_actions a");
a.parentElement.prepend(span);
queryList[appId].hasPrice = false;
console.log(`Timeout:${appId}`);
}
}
}
function generatePrice(price){
let content = "";
let template = "";
if(price.discount_percent==0){
template =
`<span class="discount_block no_discount discount_block_inline" data-price-final="${price.final}">`+
'<div class="discount_prices">'+
`<div class="discount_final_price">${price.final_formatted}</div>`+
'</div>'+
'</span>';
}
else {
template =
`<span class="discount_block discount_block_inline" data-price-final="${price.final}">`+
`<div class="discount_pct">-${price.discount_percent}%</div>`+
'<div class="discount_prices">'+
`<div class="discount_original_price">${price.initial_formatted}</div>`+
`<div class="discount_final_price">${price.final_formatted}</div>`+
'</div>'+
'</span>'
}
content+=template;
return content;
}
function isAppVisible(app){
let s = app.offsetTop; // 元素相对于页面顶部的距离
let x = app.offsetHeight; //元素自身高度
let t = document.documentElement.scrollTop; // 页面在垂直方向上滚动的距离
let y = document.documentElement.clientHeight; //窗口可视区域的高度
let isHidden = (s+x) < t || (s > (t+y));
return !isHidden
}
})();