show current ELO Rang in profile
/* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://www.wtfpl.net/ for more details. */
// ==UserScript==
// @name Elo-Rang
// @namespace fussball
// @include https://fussballcup.de/*
// @version 0.1.5
// @description show current ELO Rang in profile
// @author Philipp, edited by mot33 / 2017
// @connect <value>
// ==/UserScript==
var timeout = 5000;
/**
* Simply creates async html request with url theURL; calls back callback with result string as first parameter and args as second parameter
*
* Case of error; null is returned as result String
*/
function httpGetAsync(theUrl, callback, args){
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200){
callback(xmlHttp.responseText, args);
}
}
xmlHttp.open("GET", theUrl, true); // true for asynchronous
xmlHttp.send(null);
// handle timeout
window.setTimeout(function(){
if (xmlHttp.readyState != 4 || xmlHttp.status != 200){
// something went wrong
// cancel
xmlHttp.abort();
// call callback with error
callback(null, args);
}
}, timeout);
}
/**
* really (like really really) simple logger :)
*/
function logError(msg){
console.log("ELO-rank show script: " + msg);
}
// make sure changes() isn't executed twice the same time
var lock=false;
// do not search for same name twice (if once failed, will probably fail again; performance!)
var lastName="";
function checkForSearchNameOrReturnNull(){
// and that's just lots of text to make sure, this script isn't executed more than necesarry
// make sure this function isn't executed twice at the same time
if(lock){
return null;
}
// make sure, rank must be added (= profil show page)
var url = window.location.href;
if(!(/module=([^&]+)/.exec(url)[1]=='profile')){
return null;
}
if(!(/action=([^&]+)/.exec(url)[1]=='show')){
return null;
}
// make sure rank isn't allready sucessfully added
if(document.getElementById('rankshow')!=null){
return null;
}
// make sure, profile-show exists
var profile_show = document.getElementById('profile-show');
if(profile_show == null || profile_show.firstChild == null){
// log something strange happend; actually profile page should have profile-show element
logError("Something strange happended! Recognized profile page but no profile-show element to extract name from!");
return null;
}
// extract profile name name
// substring(11): String is "Profil von (...)". Extract (...)
var name = profile_show.firstChild.textContent.substring(11);
// do not execute script for same name twice
if(lastName == name){
lock=false;
return null;
}
lastName = name;
// finally return result
return name;
}
/**
* Takes rank as attribute
* Creates html elements and addes rank information to info box
*/
function appendRank(rank){
// create html frame
var s ='<br><li><strong id="rankshow" class="player-preview">Elo-Rang: ';
s+="";{
s+=rank = " <font color='yellow'>"+ String(rank) + "  </font></strong></b>";
}
var div = document.createElement('div');
div.innerHTML = s;
// insert
var elementsProfileBox = document.getElementsByClassName('profile-box-squad');
if(elementsProfileBox.length==0){
// okay, that's strange
logError("Strange error while adding rank information: No Element of class 'profile-box-squad' found! Don't know where to add information!");
}else{
elementsProfileBox[0].appendChild(div);
}
// unlock
lock=false;
}
/**
* gets resulst String
* parses and extracts ELO rank
* checks, if it is ELO rank for args['name']
* calls args['call'] with first parameter: rank
*/
function fetchELOResults(requestResult, args){
// check for valid result
if(requestResult == null){
args['call']('error');
logError("Error html request!");
return;
}
// parse result
try{
var parser = document.createElement('html');
parser.innerHTML = JSON.parse(requestResult).content;
// get right fieled
var results = parser.getElementsByClassName(' odd');
if(results.length == 0){
// okay, no problem! Just no rank found: probably user doesn't have a rank
args['call']('/');
return;
}
results = results[0];
// check if name is right
if(results.children[2].children[1].innerHTML!=args['name']){
// okay, no problem! Just not right user found: problably user doesn't have a rank
args['call']('/');
return;
}
// call callback with rank to handle everything else
args['call'](results.firstChild.innerHTML);
}catch(e){
args['call']('error');
logError("Error parsing resulst String of ELO-rank request! Error: " + e);
return;
}
}
/**
* searches ELO rang
* will call back toCall with first paramter elo rang of player with name "name"
*/
function searchELORang(name, toCall){
// wrap parameters in set
params={};
params['name'] = name;
params['call'] = toCall;
// schedule html requst
httpGetAsync('http://fussballcup.de/index.php?club=' + name + '&_qf__form=&module=rating&action=index&area=user&league=&path=index.php&layout=none', fetchELOResults , params);
}
/**
* Main function! Will check, if script execution is necessar; will lookup ELO rank and will append rank to profile
*/
function changes(){
// get name; will catch all cases where nothing has to be done
var name = checkForSearchNameOrReturnNull();
if(name == null){
// nothing to do
return;
}
// set lock
lock=true;
// Real script execution!!!
searchELORang(name, appendRank);
}
window.setTimeout(function() { changes() }, 2500);
window.setInterval(function() { changes() }, 5000);