Moodle Preview Tasks

Предпросмотр заданий

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

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

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

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.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name         Moodle Preview Tasks
// @namespace    russbear
// @version      1.0
// @license MIT
// @description  Предпросмотр заданий
// @author       Russbear
// @match        *://*/course/view.php?id=*
// @match        *://*/mod/quiz/view.php?id=*
// @match        *://*/mod/assign/view.php?id=*
// @grant        GM_xmlhttpRequest
// @grant        GM_addStyle
// @connect      *
// @run-at       document-idle
// ==/UserScript==

(function () {
    'use strict';

    GM_addStyle(`
        .mpt-preview {
            margin-top: 6px;
            font-size: 12px;
            color: #555;
            border-left: 2px solid #ced4da;
            padding-left: 10px;
        }
        .mpt-toggle {
            background: none;
            border: none;
            color: #1a5a96;
            font-size: 12px;
            cursor: pointer;
            padding: 0;
            text-decoration: underline;
        }
        .mpt-toggle:hover {
            color: #0d4777;
        }
        .mpt-details {
            margin-top: 6px;
            padding: 8px 10px;
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 3px;
            font-size: 12px;
            line-height: 1.5;
            display: none;
        }
        .mpt-dates span {
            display: inline-block;
            margin-right: 12px;
        }
        .mpt-structure {
            margin-top: 4px;
            font-style: italic;
            color: #666;
        }
    `);

    function cleanText(el) {
        if (!el) return '';
        return (el.textContent || el.innerText || '').replace(/\s+/g, ' ').trim();
    }

    function simplifyDate(str) {
        if (!str) return str;
        const m = str.match(/(\d{1,2}[\s\.]\w+[\s\.]\d{4}|\d{4}-\d{2}-\d{2})/);
        return m ? m[0].replace(/\./g, '.') : str;
    }

    function attachPreview(link, moduleType) {
        if (link.hasAttribute('data-mpt-processed')) return;
        link.setAttribute('data-mpt-processed', 'true');

        const container = document.createElement('div');
        container.className = 'mpt-preview';

        const toggle = document.createElement('button');
        toggle.className = 'mpt-toggle';
        toggle.textContent = 'Предпросмотр';
        toggle.type = 'button';

        const details = document.createElement('div');
        details.className = 'mpt-details';

        container.append(toggle, details);
        const parent = link.parentElement;
        if (parent) parent.appendChild(container);

        let cachedData = null;

        toggle.addEventListener('click', async () => {
            if (details.style.display === 'block') {
                details.style.display = 'none';
                toggle.textContent = 'Предпросмотр';
                return;
            }

            if (!cachedData) {
                toggle.disabled = true;
                cachedData = await loadPreviewData(link.href, moduleType);
                toggle.disabled = false;

                if (cachedData.error) {
                    details.innerHTML = '<i>Нет данных</i>';
                } else {
                    let html = '';
                    if (cachedData.intro) html += `<div>${cachedData.intro}</div>`;
                    if (cachedData.dates && Object.keys(cachedData.dates).length) {
                        const dateLines = Object.entries(cachedData.dates)
                            .map(([k, v]) => `<span><strong>${k}:</strong> ${v}</span>`)
                            .join('');
                        html += `<div class="mpt-dates">${dateLines}</div>`;
                    }
                    if (cachedData.structure) {
                        html += `<div class="mpt-structure">${cachedData.structure}</div>`;
                    }
                    details.innerHTML = html || '<i>Нет дополнительной информации</i>';
                }
            }

            details.style.display = 'block';
            toggle.textContent = 'Скрыть';
        });
    }

    function loadPreviewData(url, type) {
        return new Promise(resolve => {
            GM_xmlhttpRequest({
                method: 'GET',
                url: url,
                onload: res => {
                    try {
                        const parser = new DOMParser();
                        const doc = parser.parseFromString(res.responseText, 'text/html');

                        const introEl = doc.querySelector('#intro') ||
                                        doc.querySelector('.intro') ||
                                        doc.querySelector('#generalbox p') ||
                                        doc.querySelector('.box.generalbox p');
                        const intro = cleanText(introEl);

                        const dates = {};
                        doc.querySelectorAll('table.generaltable, .generalbox table')
                            .forEach(t => t.querySelectorAll('tr').forEach(r => {
                                const cells = r.querySelectorAll('td, th');
                                if (cells.length >= 2) {
                                    const lab = cells[0].textContent.trim();
                                    const val = cells[1].textContent.trim();
                                    if (!val) return;
                                    if (/доступ|available/i.test(lab)) dates['Открывается'] = simplifyDate(val);
                                    else if (/сдач|due|deadline/i.test(lab)) dates['Сдача до'] = simplifyDate(val);
                                    else if (/закр|close/i.test(lab)) dates['Закрывается'] = simplifyDate(val);
                                }
                            }));

                        let structure = '';
                        if (type === 'quiz') {
                            const info = doc.querySelector('.quizinfo')?.textContent || '';
                            const q = info.match(/(\d+)\s+вопрос/i)?.[1];
                            const t = info.match(/(\d+)\s+минут/i)?.[1];
                            const parts = [];
                            if (q) parts.push(`${q} вопрос${+q === 1 ? '' : 'ов'}`);
                            if (t) parts.push(`на ${t} мин.`);
                            structure = parts.join(', ');
                        }

                        resolve({ intro, dates, structure });
                    } catch {
                        resolve({ error: true });
                    }
                },
                onerror: () => resolve({ error: true }),
                timeout: 4000
            });
        });
    }

    function init() {
        document.querySelectorAll('a[href*="/mod/"]').forEach(link => {
            const href = link.href;
            if (
                (href.includes('/mod/quiz/view.php?id=') || href.includes('/mod/assign/view.php?id=')) &&
                !link.hasAttribute('data-mpt-processed') &&
                link.closest('.activityinstance, .activity, .modtype_quiz, .modtype_assign')
            ) {
                attachPreview(link, href.includes('/quiz/') ? 'quiz' : 'assign');
            }
        });
    }

    if (document.readyState === 'loading') {
        window.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }
})();