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Karakterkalkulator

Se gjennomsnittskarakter i fsweb!

  1. // ==UserScript==
  2. // @name         Karakterkalkulator
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.2
  5. // @description  Se gjennomsnittskarakter i fsweb!
  6. // @author       You
  7. // @match        https://fsweb.no/studentweb/resultater.jsf
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=fsweb.no
  9. // @grant        none
  10. // @license MIT
  11. // ==/UserScript==
  12.  
  13. function fractConverter(fract)
  14. {
  15.     if(fract==0 || Math.abs(fract) < 0.33333)
  16.     {
  17.         return "";
  18.     }
  19.     else if (fract < 0)
  20.     {
  21.         return "-";
  22.     }
  23.     return "+";
  24. }
  25.  
  26. function main()
  27. {
  28.     const rows = document.querySelectorAll(".resultatTop");
  29.     let weigthSum = 0;
  30.     let gradeAvg = 0;
  31.     let gradeLookup = {"A":5,"B":4,"C":3,"D":2,"E":1,"F":0};
  32.     let gradeLookup2 = {5:"A",4:"B",3:"C",2:"D",1:"E",0:"F"};
  33.  
  34.     for(let row of rows)
  35.     {
  36.         try{
  37.  
  38.             var gradeEl = row.querySelector("td.col6Resultat.textAlignRight > div.infoLinje > span");
  39.             var weightEl = row.querySelector("td.col7Studiepoeng.textAlignRight > span");
  40.  
  41.             var grade = gradeEl.innerHTML;
  42.             var weigth = weightEl.innerHTML;
  43.  
  44.             grade = gradeLookup[grade];
  45.             weigth = Number(weigth)
  46.  
  47.             weigthSum += weigth
  48.             gradeAvg += weigth*grade;
  49.         }catch(e){continue;}
  50.     }
  51.     gradeAvg /= weigthSum;
  52.     gradeAvg = gradeAvg.toFixed(2);
  53.     const rounded = Math.round(gradeAvg);
  54.     const prefix = gradeLookup2[rounded];
  55.     const suffix = fractConverter(gradeAvg-rounded);
  56.     const gradeLetter = prefix + suffix;
  57.     const el = document.querySelector("p.table-footer");
  58.     el.innerHTML += "<span style=\"padding-left: 30px;\">Gjennomsnitt: "+gradeLetter+" ("+gradeAvg+"GPA)</span>";
  59. }
  60.  
  61. (function() {
  62.     'use strict';
  63.  
  64.     window.onload = main;
  65. })();