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Steam Error Widget Helper

For error widgets shows steamdb.info link and game name (if possible).

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        	Steam Error Widget Helper
// @namespace   	https://greasyfork.org/users/2205
// @description	 	For error widgets shows steamdb.info link and game name (if possible).
// @author          Rudokhvist
// @include     	http://store.steampowered.com/*
// @include     	https://store.steampowered.com/*
// @run-at      	document-end
// @version     	1.4
// @language        English
// @connect         api.steampowered.com
// @connect         steamcommunity.com
// @grant           GM_xmlhttpRequest
// @grant           GM.xmlhttpRequest
// ==/UserScript==

var appid;

var getName = function(url, callback) {
    GM_xmlhttpRequest({
        method: "GET",
        url: url,
        onload: function(response) {
                   //console.log(response);
                   if (response.status === 200) {
                       let res = /<title>(.+)\s::\s(.+)<\/title>/.exec(response.response);
                       let name = null;
                       if (res != null) {
                           name = res[2].trim();
                           if (name === "Steam Community") {
                               name = res[1].trim()
                           }
                       }
                       callback(name)

                   } else {
                         callback(null);
                   }
        },
        onerror: function() {
           console.log('Error.');
        },
        ontimeout: function() {
           console.log('Error.');
        }
    });

};

//rate limiting
var getNameRL = function(url, callback) {
  var Rate=1500; //ms between requests;
    var lastCall=localStorage.getItem ('ITCFTRateLimiter');
    if (lastCall!==null) {
      if ((parseInt(lastCall) + Rate) > Date.now()) {
        window.setTimeout(function(){
          getNameRL(url,callback);
        },parseInt(lastCall)+Rate-Date.now());
      } else { //already time
        getName(url,callback);
        localStorage.setItem('ITCFTRateLimiter',Date.now());
      }
    } else { //first call ever
      getName(url,callback);
      localStorage.setItem('ITCFTRateLimiter',Date.now());
    }
};

+function(){

      //forum widgets
      var wcontainer=document.getElementById ('widget');
      if (wcontainer!==null) {
        var appimagecontainers=wcontainer.getElementsByClassName('capsule');
        if (appimagecontainers.length===0) {
            appid=window.location.href.match(/(http.{0,1}:\/\/store\.steampowered\.com\/)(.*)\/(\d+)(.*)/)[3];
              getNameRL('https://steamcommunity.com/app/'+appid, function(gamename) {
              let ImageElement = document.createElement("img");
              ImageElement.setAttribute("style","margin:5px;float:right");
              ImageElement.setAttribute("src","https://cdn.akamai.steamstatic.com/steam/apps/"+appid+"/capsule_184x69.jpg")
              wcontainer.appendChild(ImageElement);
	          let NewElement=document.createElement("div");
              NewElement.setAttribute("class","desc");
              let NameElement=NewElement.appendChild(document.createElement("p"));
              NameElement.setAttribute("style","font-size: 20px !important; line-height: 28px !important");
              let SteamUrlElement=NameElement.appendChild(document.createElement("a"));
              SteamUrlElement.setAttribute("style", "color: #898a8c !important;");
              SteamUrlElement.setAttribute("href","https://store.steampowered.com/app/"+appid);
              SteamUrlElement.setAttribute("target","_blank");
              if (gamename===null) {
                SteamUrlElement.appendChild(document.createTextNode("Unknown app "+appid));
              } else {
                SteamUrlElement.appendChild(document.createTextNode(gamename));
              }
              let UrlElement=NewElement.appendChild(document.createElement("a"));
              UrlElement.setAttribute("href","https://steamdb.info/app/"+appid);
              UrlElement.setAttribute("style","color: #898a8c !important; text-decoration: underline !important; line-height: 20px !important");
              UrlElement.setAttribute("target","_blank");
              UrlElement.appendChild(document.createTextNode("View on Steam Database ("+appid+")"));
              let showplace=wcontainer.appendChild(NewElement);
          });
        }
      }
}();