Calculate Average Score

Данный скрипт позволяет считать средний балл в БРС и также менять баллы чтоб посчитать приблизительно какой может быть ваш средний балл

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Calculate Average Score
// @namespace    https://gist.github.com/ve3xone/93ee59086618b9e3925bc4376f0feec0
// @version      2025-01-17-v1.02
// @description  Данный скрипт позволяет считать средний балл в БРС и также менять баллы чтоб посчитать приблизительно какой может быть ваш средний балл
// @author       Vladislav Startsev (aka ve3xone)
// @match        https://istudent.urfu.ru/s/servis-informirovaniya-studenta-o-ballah-brs*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=urfu.ru
// @grant        none
// @license      GNU-GPLV3
// ==/UserScript==

(function () {
    'use strict';

    const originalScores = new Map();
    let includeHidden = false;

    // Make scores editable
    function makeScoresEditable() {
        const disciplineContainer = document.querySelector("#disciplines");
        if (!disciplineContainer) {
            console.log("No disciplines found.");
            return;
        }

        const disciplineElements = disciplineContainer.querySelectorAll(".rating-discipline-outer-container");

        disciplineElements.forEach((element) => {
            const scoreElement = element.querySelector(".td-1");
            const disciplineId = element.querySelector(".rating-discipline")?.getAttribute("data-discipline-id");

            if (scoreElement && disciplineId) {
                const scoreText = scoreElement.textContent.trim();

                // Load saved score if available
                const savedScore = localStorage.getItem(`score_${disciplineId}`);
                if (savedScore) {
                    scoreElement.textContent = savedScore;
                    scoreElement.style.color = "blue";
                }

                // Save the original score
                if (!originalScores.has(scoreElement)) {
                    originalScores.set(scoreElement, scoreText);
                }

                // Make the score editable
                scoreElement.contentEditable = true;
                scoreElement.style.border = "1px dashed #000";
                scoreElement.style.backgroundColor = "#f9f9f9";
                scoreElement.addEventListener("input", () => {
                    scoreElement.style.color = "blue"; // Highlight changed scores
                    localStorage.setItem(`score_${disciplineId}`, scoreElement.textContent.trim()); // Save score locally with discipline ID
                    updateAverageScore(); // Recalculate average on change
                });
            }
        });
    }

    // Calculate the average score
    function calculateAverage() {
        const disciplineContainer = document.querySelector("#disciplines");
        if (!disciplineContainer) {
            console.log("No disciplines found.");
            return 0;
        }

        const disciplineElements = disciplineContainer.querySelectorAll(includeHidden
            ? ".rating-discipline-outer-container"
            : ".rating-discipline-outer-container:not(.hidden)");

        let totalScore = 0;
        let count = 0;

        disciplineElements.forEach((element) => {
            const scoreElement = element.querySelector(".td-1");
            if (scoreElement) {
                const scoreText = scoreElement.textContent.trim();
                const score = parseFloat(scoreText);

                // Include only valid numerical scores
                // && score > 0
                if (!isNaN(score) ) {
                    totalScore += score;
                    count++;
                }
            }
        });

        return count > 0 ? totalScore / count : 0;
    }

    // Update the average score display
    function updateAverageScore() {
        const averageScore = calculateAverage();
        const professionElement = document.querySelector(".education-service-info");

        if (professionElement) {
            let averageDisplay = professionElement.querySelector(".average-score-display");

            if (!averageDisplay) {
                averageDisplay = document.createElement("span");
                averageDisplay.className = "average-score-display";
                averageDisplay.style.marginLeft = "10px";
                averageDisplay.style.fontWeight = "bold";
                professionElement.appendChild(averageDisplay);
            }

            averageDisplay.textContent = `Средний балл: ${averageScore.toFixed(2)}`;
        }
    }

    // Toggle hidden disciplines
    function toggleHiddenDisciplines() {
        includeHidden = !includeHidden;
        updateAverageScore();
    }

    // Reset scores to their original values
    function resetScores() {
        originalScores.forEach((originalValue, element) => {
            element.textContent = originalValue;
            element.style.color = ""; // Remove highlight
        });

        // Clear local storage
        localStorage.clear();

        updateAverageScore();

        console.log("Сброс выполнен.");
        alert("Все изменения сброшены.");
    }

    // Add controls to the page
    function addControls() {
        const professionElement = document.querySelector(".education-service-info");

        if (professionElement) {
            const toggleCheckbox = document.createElement("input");
            toggleCheckbox.type = "checkbox";
            toggleCheckbox.style.marginLeft = "10px";
            toggleCheckbox.addEventListener("change", toggleHiddenDisciplines);

            const label = document.createElement("label");
            label.textContent = "Включать скрытые дисциплины";
            label.style.marginLeft = "5px";
            label.style.fontSize = "14px";
            label.appendChild(toggleCheckbox);

            professionElement.appendChild(label);
        }

        const resetButton = document.createElement("button");
        resetButton.textContent = "Сбросить изменения";
        resetButton.style = buttonStyle();
        resetButton.style.bottom = "10px";
        resetButton.addEventListener("click", resetScores);
        document.body.appendChild(resetButton);
    }

    // Button style function
    function buttonStyle() {
        return `
            position: fixed;
            right: 10px;
            padding: 10px 20px;
            background-color: #007bff;
            color: #fff;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            z-index: 1000;
        `;
    }

    // Initialize the script
    function init() {
        makeScoresEditable();
        addControls();
        updateAverageScore(); // Update average score on page load
    }

    init();
})();