247 lines
10 KiB
JavaScript
247 lines
10 KiB
JavaScript
// public/main.js – страница записи родителей
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let allLessons = [];
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async function loadFilterOptions() {
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try {
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const [classes, teachers, topics] = await Promise.all([
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fetch('/api/filter-options/class-names').then(r => r.json()),
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fetch('/api/filter-options/teachers').then(r => r.json()),
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fetch('/api/filter-options/topics').then(r => r.json())
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]);
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window.allClassNames = classes;
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window.allTeachers = teachers;
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window.allTopics = topics;
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populateSelect('filterClass', window.allClassNames, 'Все классы');
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populateSelect('filterTeacher', window.allTeachers, 'Все учителя');
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populateSelect('filterTopic', window.allTopics, 'Все темы');
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} catch (err) {
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console.error('Ошибка загрузки опций фильтров', err);
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}
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}
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function populateSelect(selectId, options, defaultLabel) {
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const select = document.getElementById(selectId);
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if (!select) return;
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const currentValue = select.value;
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select.innerHTML = `<option value="">${defaultLabel}</option>`;
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options.forEach(opt => {
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const option = document.createElement('option');
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option.value = opt;
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option.textContent = opt;
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select.appendChild(option);
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});
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if (currentValue && options.includes(currentValue)) {
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select.value = currentValue;
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} else {
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select.value = '';
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}
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}
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async function loadLessons() {
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try {
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const res = await fetch('/api/lessons');
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allLessons = await res.json();
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updateDependentFilters();
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applyFilters();
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} catch (err) {
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console.error('Ошибка загрузки уроков', err);
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document.getElementById('lessonsContainer').innerHTML = '<p>Ошибка загрузки данных</p>';
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}
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}
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function updateDependentFilters() {
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const selectedClass = document.getElementById('filterClass').value;
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const selectedTeacher = document.getElementById('filterTeacher').value;
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const selectedTopic = document.getElementById('filterTopic').value;
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let filteredLessons = allLessons;
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if (selectedClass) {
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filteredLessons = filteredLessons.filter(l => l.class_name === selectedClass);
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}
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if (selectedTeacher) {
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filteredLessons = filteredLessons.filter(l => l.teacher === selectedTeacher);
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}
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if (selectedTopic) {
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filteredLessons = filteredLessons.filter(l => l.topic === selectedTopic);
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}
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const availableClasses = [...new Set(filteredLessons.map(l => l.class_name))].sort();
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const availableTeachers = [...new Set(filteredLessons.map(l => l.teacher))].sort();
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const availableTopics = [...new Set(filteredLessons.map(l => l.topic).filter(t => t))].sort();
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const classSelect = document.getElementById('filterClass');
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const teacherSelect = document.getElementById('filterTeacher');
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const topicSelect = document.getElementById('filterTopic');
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const oldClass = classSelect.value;
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const oldTeacher = teacherSelect.value;
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const oldTopic = topicSelect.value;
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populateSelect('filterClass', availableClasses, 'Все классы');
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populateSelect('filterTeacher', availableTeachers, 'Все учителя');
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populateSelect('filterTopic', availableTopics, 'Все темы');
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if (oldClass && availableClasses.includes(oldClass)) classSelect.value = oldClass;
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else classSelect.value = '';
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if (oldTeacher && availableTeachers.includes(oldTeacher)) teacherSelect.value = oldTeacher;
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else teacherSelect.value = '';
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if (oldTopic && availableTopics.includes(oldTopic)) topicSelect.value = oldTopic;
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else topicSelect.value = '';
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}
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function applyFilters() {
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const classFilter = document.getElementById('filterClass').value;
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const teacherFilter = document.getElementById('filterTeacher').value;
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const topicFilter = document.getElementById('filterTopic').value;
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let filtered = allLessons.filter(lesson => lesson.available === true);
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if (classFilter) filtered = filtered.filter(lesson => lesson.class_name === classFilter);
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if (teacherFilter) filtered = filtered.filter(lesson => lesson.teacher === teacherFilter);
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if (topicFilter) filtered = filtered.filter(lesson => lesson.topic === topicFilter);
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renderLessons(filtered);
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}
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function renderLessons(lessons) {
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const container = document.getElementById('lessonsContainer');
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const counterSpan = document.getElementById('availableCount');
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if (!container) return;
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if (lessons.length === 0) {
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container.innerHTML = '<p style="text-align:center; grid-column:1/-1;">Нет доступных уроков</p>';
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if (counterSpan) counterSpan.textContent = '0';
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return;
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}
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container.innerHTML = lessons.map(lesson => {
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// Определяем, что показывать в строке времени
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let timeHtml = '';
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if (lesson.topic && lesson.topic.includes('Консультация') && lesson.date && lesson.time) {
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timeHtml = `<p><strong>Дата/время:</strong> ${escapeHtml(lesson.date)} ${escapeHtml(lesson.time)}</p>`;
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} else {
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timeHtml = `<p><strong>Время:</strong> Согласно расписания</p>`;
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}
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return `
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<div class="lesson-card" data-id="${lesson.id}">
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<h3>${escapeHtml(lesson.class_name)} | ${escapeHtml(lesson.subject)}</h3>
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<p><strong>Учитель:</strong> ${escapeHtml(lesson.teacher)}</p>
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<p><strong>Тема:</strong> ${escapeHtml(lesson.topic || '—')}</p>
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${timeHtml}
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<div class="slots">
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Свободных мест: ${lesson.max_slots - lesson.current_slots}
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</div>
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</div>
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`;
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}).join('');
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if (counterSpan) counterSpan.textContent = `${lessons.length}`;
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document.querySelectorAll('.lesson-card').forEach(card => {
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card.addEventListener('click', () => openModal(card.dataset.id));
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});
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}
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function setupModal() {
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const modal = document.getElementById('modal');
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const closeSpan = modal.querySelector('.close');
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const form = document.getElementById('registrationForm');
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closeSpan.onclick = () => modal.style.display = 'none';
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window.onclick = (e) => { if (e.target === modal) modal.style.display = 'none'; };
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form.addEventListener('submit', async (e) => {
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e.preventDefault();
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const lessonId = document.getElementById('lessonId').value;
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const parentName = document.getElementById('parentName').value.trim();
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const parentPhone = document.getElementById('parentPhone').value.trim();
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const messageDiv = document.getElementById('modalMessage');
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if (!parentName || !parentPhone) {
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messageDiv.innerHTML = '<span style="color:red">Заполните все поля</span>';
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return;
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}
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try {
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const res = await fetch('/api/register', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ lesson_id: lessonId, parent_name: parentName, parent_phone: parentPhone })
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});
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const data = await res.json();
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if (res.ok) {
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messageDiv.innerHTML = '<span style="color:green">✅ Вы успешно записаны!</span>';
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setTimeout(() => {
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modal.style.display = 'none';
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loadLessons();
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}, 1500);
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} else {
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messageDiv.innerHTML = `<span style="color:red">${data.error || 'Ошибка'}</span>`;
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}
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} catch (err) {
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messageDiv.innerHTML = '<span style="color:red">Ошибка сервера</span>';
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}
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});
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}
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function openModal(lessonId) {
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const modal = document.getElementById('modal');
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const lesson = allLessons.find(l => l.id == lessonId);
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if (!lesson) return;
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let timeInfo = '';
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if (lesson.topic && lesson.topic.includes('Консультация') && lesson.date && lesson.time) {
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timeInfo = `${lesson.date} ${lesson.time}`;
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} else {
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timeInfo = 'Согласно расписания';
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}
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document.getElementById('lessonId').value = lessonId;
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document.getElementById('modalLessonInfo').innerHTML = `
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<strong>${escapeHtml(lesson.class_name)}</strong><br>
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${escapeHtml(lesson.subject)} — ${escapeHtml(lesson.teacher)}<br>
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<small>${timeInfo}</small>
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`;
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document.getElementById('modalMessage').innerHTML = '';
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document.getElementById('registrationForm').reset();
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modal.style.display = 'flex';
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}
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function escapeHtml(str) {
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if (!str) return '';
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return str.replace(/[&<>]/g, function(m) {
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if (m === '&') return '&';
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if (m === '<') return '<';
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if (m === '>') return '>';
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return m;
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});
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}
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document.addEventListener('DOMContentLoaded', async () => {
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await loadFilterOptions();
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await loadLessons();
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setupModal();
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const classSelect = document.getElementById('filterClass');
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const teacherSelect = document.getElementById('filterTeacher');
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const topicSelect = document.getElementById('filterTopic');
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function handleFilterChange() {
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updateDependentFilters();
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applyFilters();
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}
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classSelect?.addEventListener('change', handleFilterChange);
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teacherSelect?.addEventListener('change', handleFilterChange);
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topicSelect?.addEventListener('change', handleFilterChange);
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document.getElementById('resetFilter')?.addEventListener('click', () => {
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classSelect.value = '';
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teacherSelect.value = '';
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topicSelect.value = '';
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updateDependentFilters();
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applyFilters();
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});
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}); |