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Calculate Missed Hours for Classes

Automatically calculates the total hours missed for each class based on attendance records.

  1. // ==UserScript==
  2. // @name         Calculate Missed Hours for Classes
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.0
  5. // @description  Automatically calculates the total hours missed for each class based on attendance records.
  6. // @match        https://stars.bilkent.edu.tr/srs/*
  7. // @grant        none
  8. // ==/UserScript==
  9.  
  10. (function() {
  11.     'use strict';
  12.  
  13.     function calculateMissedHours() {
  14.         const attendanceDivs = document.querySelectorAll(".attendDiv");
  15.         const results = [];
  16.  
  17.         attendanceDivs.forEach(attendDiv => {
  18.             const className = attendDiv.querySelector("h4")?.innerText.trim() || "Unknown Class";
  19.             const attendanceRows = attendDiv.querySelectorAll("table tr");
  20.             let totalMissedHours = 0;
  21.  
  22.             attendanceRows.forEach((row, index) => {
  23.                 if (index === 0) return;
  24.                 const attendanceCell = row.cells[2];
  25.                 if (attendanceCell) {
  26.                     const attended = parseInt(attendanceCell.querySelector("b")?.innerText || "0");
  27.                     const total = parseInt(attendanceCell.innerText.split("/")[1].trim());
  28.                     const missed = total - attended;
  29.                     totalMissedHours += missed;
  30.                 }
  31.             });
  32.  
  33.             results.push({ className, totalMissedHours });
  34.         });
  35.  
  36.         if (results.length > 0) {
  37.             results.forEach(result => {
  38.                 console.log(`Class: ${result.className}, Total Hours Missed: ${result.totalMissedHours}`);
  39.                 alert(`Class: ${result.className}, Total Hours Missed: ${result.totalMissedHours}`);
  40.             });
  41.         } else {
  42.             console.log("No attendance data found.");
  43.             alert("No attendance data found.");
  44.         }
  45.     }
  46.  
  47.     // Run the function automatically
  48.     calculateMissedHours();
  49. })();