☰

Steam Auto Wishlist

Add All Steam App in your wishlist.

// ==UserScript==
// @name         Steam Auto Wishlist
// @namespace    https://greasyfork.org/users/191481
// @version      0.31
// @description  Add All Steam App in your wishlist.
// @author       Zeper
// @match        https://store.steampowered.com/news
// @grant        GM_xmlhttpRequest
// ==/UserScript==

var IsDebug = true;
var xhr = new XMLHttpRequest();
var AppList = [];
var WishList = [];
var LastAppAdded = 0;
var LastAppFail = 0;
var AppListIndex = 0;
var ErrorCount = 0;
var RetryOverError = 1; // At least 1 if you don't want to break the script
var NetErrorCount = 0;
var RetryOverNetError = 3; // At least 1 if you don't want to break the script
var Loop = 0;
var timestamp = 0;
var minDelay = 2000; // min delay between each request in millisecond, to not spam steam server if you have a good internet connection

function FindIndexByAppID(value){
    return value == this;
}

function arr_diff (a1, a2) {

    var a = [], diff = [];

    for (var i = 0; i < a1.length; i++) {
        a[a1[i]] = true;
    }

    for (var i = 0; i < a2.length; i++) {
        if (a[a2[i]]) {
            delete a[a2[i]];
        } else {
            a[a2[i]] = true;
        }
    }

    for (var k in a) {
        diff.push(k);
    }

    return diff;
}

function AddSucces( response ){
    var delay = 1;
    LastAppAdded = AppList[AppListIndex];
    console.log("App "+ LastAppAdded +" added to the whishlist !");
    localStorage.setItem("SCRIPT_WISHLIST_LAST_APP_ADDED", LastAppAdded);
    AppListIndex++;
    if (AppListIndex < AppList.length){
        if ((Date.now() - timestamp) < minDelay) {delay = minDelay}
        setTimeout(() => {AddAllAppToWishlist();}, delay);
    } else {
        console.log("All App added in the wishlist !");
        if (IsDebug){console.log("AppListIndex : "+AppListIndex);}
        if (Loop){location.reload();}
    }
}

function AddFailed( response , NetworkError = 0){
    var delay = 1;
    if (!NetworkError) {ErrorCount++;} else {NetErrorCount++;}
    LastAppFail = AppList[AppListIndex];
    console.log("Failed to add "+ LastAppFail +" to the whishlist ("+response+")");
    localStorage.setItem("SCRIPT_WISHLIST_LAST_APP_FAIL", LastAppFail);
    if ((ErrorCount >= RetryOverError) || (NetErrorCount >= RetryOverNetError || NetErrorCount === 0)) {
        ErrorCount = 0;
        NetErrorCount = 0;
        AppListIndex++;
    }
    if (AppListIndex < AppList.length){
        if ((Date.now() - timestamp) < minDelay) {delay = minDelay}
        setTimeout(() => {AddAllAppToWishlist();}, delay);
    } else {
        console.log("All App added in the wishlist !");
        if (IsDebug){console.log("AppListIndex : "+AppListIndex);}
        if (Loop){location.reload();}
    }
}

function AddAllAppToWishlist(){
    xhr.open('POST', "https://store.steampowered.com/api/addtowishlist", "true");
    xhr.setRequestHeader('X-Requested-With', "XMLHttpRequest");
    xhr.setRequestHeader('Content-Type', "application/x-www-form-urlencoded; charset=UTF-8");
    var data = "sessionid="+g_sessionID.toString()+"&appid="+AppList[AppListIndex].toString();
    xhr.send(data);
    timestamp = Date.now();
    xhr.onreadystatechange = function () {
        if (xhr.readyState == 4) {
            if(xhr.status == 200){
                var response = JSON.parse(xhr.responseText);
                if (IsDebug){console.log(response);}
                if (response.success){
                    AddSucces(response.msg);
                } else {
                    AddFailed(response.msg);
                }
            } else {
                AddFailed(xhr.status, 1);
            }
        }
    }
}

function LoadLastAppID(){
    if (localStorage.getItem("SCRIPT_WISHLIST_LAST_APP_ADDED")) {LastAppAdded = parseInt(localStorage.getItem("SCRIPT_WISHLIST_LAST_APP_ADDED"));console.log("LastAppAdded : "+LastAppAdded);}
    if (localStorage.getItem("SCRIPT_WISHLIST_LAST_APP_FAIL")) {LastAppFail = parseInt(localStorage.getItem("SCRIPT_WISHLIST_LAST_APP_FAIL"));console.log("LastAppFail : "+LastAppFail);}
    if ( LastAppFail && AppList.includes(LastAppFail) ) {console.log("Loading LastAppindex From LastAppFail...");AppListIndex = AppList.findIndex(FindIndexByAppID,LastAppFail);if (AppListIndex >= AppList.length-1 || AppListIndex < 0){AppListIndex = 0;console.log("AppListIndex is at the end (or OOB) of the Applist.\nReboot of AppListIndex...");}}
    AddAllAppToWishlist();
}

function GetWishList(){
    xhr.open('GET', "https://store.steampowered.com/dynamicstore/userdata", true);
    xhr.send();
    xhr.onreadystatechange = function () {
        if (xhr.readyState == 4) {
            if(xhr.status == 200){
                var response = JSON.parse(xhr.responseText);
                if (IsDebug){console.log(response);}
                if (response.rgWishlist){
                    WishList = response.rgWishlist;
                    if (IsDebug){console.log("Succes WishList:"+WishList);}
                    AppList = arr_diff(AppList,WishList);
                    if (IsDebug){console.log("App Not in Wish list:"+AppList);}
                    LoadLastAppID();
                } else {
                    console.log("Failed to get rgWishlist from the response");
                }
            } else {
                console.log("WishList request fail");
            }
        }
    }
}

GM_xmlhttpRequest ( {
    method:     "GET",
    url:        "https://api.steampowered.com/ISteamApps/GetAppList/v2",
    onreadystatechange :     function (response) {
        if (response.readyState == 4 && response.status == 200) {
            var JSONresponse = JSON.parse(response.responseText);
            if (IsDebug){console.log(JSONresponse);}
            for (var i = 0; i < JSONresponse.applist.apps.length; i++){
                AppList.push(JSONresponse.applist.apps[i].appid);
            }
            AppList.sort(function(a, b) {return a - b;});
            if (IsDebug){console.log(AppList);}
            GetWishList();
        }
    }
} );