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average vulcan

calculate average grades in vulcan

  1. // ==UserScript==
  2. // @name         average vulcan
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.1
  5. // @description  calculate average grades in vulcan
  6. // @author       bewu
  7. // @license      MIT
  8. // @match        https://uonetplus-uczen.vulcan.net.pl/*
  9. // @icon         https://cdn-icons-png.flaticon.com/512/5084/5084428.png
  10. // @grant        none
  11. // @require      https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js
  12. // ==/UserScript==
  13.  
  14. (function() {
  15.     'use strict';
  16.     console.info("average vulcan by bewu");
  17.  
  18.     var subjectsDiv = $("#ext-element-110");
  19.     var waitGrades = setInterval(function() {
  20.         if (subjectsDiv.length != 0 && subjectsDiv[0].childElementCount != 0) {
  21.             console.info("loaded grades!");
  22.             clearInterval(waitGrades);
  23.  
  24.             start(subjectsDiv[0]);
  25.         }
  26.         else {
  27.             subjectsDiv = $("#ext-element-110");
  28.         }
  29.     }, 100);
  30. })();
  31.  
  32. function start(subjects) {
  33.     console.info(subjects);
  34.     for (var i = 0; i < subjects.childElementCount; i++) {
  35.         avg(subjects.children[i], subjects.getElementsByClassName("x-label-el")[i]);
  36.     }
  37. }
  38.  
  39. function avg(s, sName) {
  40.     s = s.querySelectorAll("span[aria-label]");
  41.  
  42.     if (s.length != 0) { // if there are any grades
  43.         console.info(sName.innerText);
  44.         var gSum = 0.0;
  45.         var weightSum = 0;
  46.  
  47.         for (var i = 0; i < s.length; i++) {
  48.             var tempG = s[i].innerText.replace(" (%)", "") // temp string to hold grade
  49.             if (tempG.length > 1) { // if grade is not only + or -
  50.                 tempG = tempG.replace("+", ".5");
  51.  
  52.                 if (tempG.includes("-")) { // handling grades with a -
  53.                     tempG = tempG.replace("-", ".0");
  54.                     if (!isNaN(tempG)) {
  55.                         tempG = (parseInt(tempG) - 0.25).toString();
  56.                     }
  57.                 }
  58.             }
  59.  
  60.             if (!isNaN(tempG)) { // if the grade is numeric
  61.                 var tempW = s[i].getAttribute("aria-label").split("waga: ")[1].split(",")[0]; // temp string to hold grade's weight
  62.  
  63.                 if (tempW != "0") { // if weight is not 0
  64.                     gSum += parseInt(tempW) * parseFloat(tempG);
  65.                     weightSum += parseInt(tempW);
  66.  
  67.                     console.info(tempG + " " + tempW);
  68.                 }
  69.             }
  70.         }
  71.  
  72.         var sAverage;
  73.         if (weightSum > 0) { // to avoid dividing by 0
  74.             sAverage = Math.round(gSum / weightSum * 100) / 100; // calculating the average
  75.  
  76.             console.info(sName.innerText + " " + sAverage);
  77.             sName.innerHTML = sName.innerText + "<i> (" + sAverage + ")</i>";
  78.         }
  79.     }
  80. }