SMS Grades Overview av KOZELJ Michele

Shows a grades overview on the sms.eursc.eu dashboard.

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SMS Grades Overview

A browser extension that adds a grades overview widget to the sms.eursc.eu dashboard.

What it does

Injects a grades overview widget at the top of the SMS dashboard page
Shows a general average across all enabled subjects
Shows a card per subject with the weighted average grade, color-coded
Shows a recent grades table with the last 10 graded assignments across all subjects
Automatically discovers enrolled courses from the SMS grades page
Allows hiding/showing courses via the extension popup (persisted in local storage)

How it works

Authentication: The extension piggybacks on the user's existing SMS session (PHPSESSID cookie set after SAML/ADFS login via Office 365). No credentials are stored or handled by the extension.
Course discovery: On dashboard load, the extension fetches grades_details.php and parses the <select id="course_id"> dropdown to discover all enrolled courses dynamically.
Grade fetching: For each visible course, the background service worker fetches the course's grade page. The content script parses the HTML table to extract dates, types, descriptions, weights, and grade percentages.
Weighted averages: Computed as sum(grade * weight) / sum(weight), skipping ungraded entries. The general average is the mean of all subject averages.
Course visibility: Hidden courses are stored in chrome.storage.local under the key hiddenCourses. The extension popup provides a checklist to toggle visibility.

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