Refactor admin frontend into modular SPA

frontend/admin/js/main.js

@@ -0,0 +1,101 @@
+import { isAuthenticatedAsAdmin } from './api.js';
+import { applyRippleEffect, closeAllDropdownsOnOutsideClick } from './utils.js';
+
+import { initUsers } from './views/users.js';
+import { initGroups } from './views/groups.js';
+import { initEduForms } from './views/edu-forms.js';
+import { initEquipments } from './views/equipments.js';
+import { initClassrooms } from './views/classrooms.js';
+import { initSubjects } from './views/subjects.js';
+
+// Configuration
+const ROUTES = {
+    users: { title: 'Управление пользователями', file: 'views/users.html', init: initUsers },
+    groups: { title: 'Управление группами', file: 'views/groups.html', init: initGroups },
+    'edu-forms': { title: 'Формы обучения', file: 'views/edu-forms.html', init: initEduForms },
+    equipments: { title: 'Оборудование', file: 'views/equipments.html', init: initEquipments },
+    classrooms: { title: 'Аудитории', file: 'views/classrooms.html', init: initClassrooms },
+    subjects: { title: 'Дисциплины и преподаватели', file: 'views/subjects.html', init: initSubjects },
+};
+
+let currentTab = null;
+
+// DOM Elements
+const appContent = document.getElementById('app-content');
+const pageTitle = document.getElementById('page-title');
+const navItems = document.querySelectorAll('.nav-item[data-tab]');
+const sidebar = document.querySelector('.sidebar');
+const sidebarOverlay = document.getElementById('sidebar-overlay');
+const menuToggle = document.getElementById('menu-toggle');
+const btnLogout = document.getElementById('btn-logout');
+
+// Initial auth check
+if (!isAuthenticatedAsAdmin()) {
+    window.location.href = '/';
+}
+
+// Setup Global Effects
+applyRippleEffect();
+closeAllDropdownsOnOutsideClick();
+
+// Menu Toggle
+menuToggle.addEventListener('click', () => {
+    sidebar.classList.toggle('open');
+    sidebarOverlay.classList.toggle('open');
+});
+sidebarOverlay.addEventListener('click', () => {
+    sidebar.classList.remove('open');
+    sidebarOverlay.classList.remove('open');
+});
+
+// Logout
+btnLogout.addEventListener('click', () => {
+    localStorage.removeItem('token');
+    localStorage.removeItem('role');
+    window.location.href = '/';
+});
+
+// Navigation
+navItems.forEach(item => {
+    item.addEventListener('click', (e) => {
+        e.preventDefault();
+        const tab = item.dataset.tab;
+        switchTab(tab);
+    });
+});
+
+async function switchTab(tab) {
+    if (currentTab === tab || !ROUTES[tab]) return;
+
+    // UI Update
+    navItems.forEach(n => n.classList.remove('active'));
+    document.querySelector(`.nav-item[data-tab="${tab}"]`)?.classList.add('active');
+    pageTitle.textContent = ROUTES[tab].title;
+
+    // Load template
+    try {
+        appContent.innerHTML = '<div class="loading-row">Загрузка...</div>';
+        const response = await fetch(ROUTES[tab].file);
+        if (!response.ok) throw new Error('Failed to load view');
+
+        const html = await response.text();
+        appContent.innerHTML = html;
+
+        // Initialize logic for the tab
+        if (ROUTES[tab].init) {
+            ROUTES[tab].init();
+        }
+
+        currentTab = tab;
+    } catch (e) {
+        appContent.innerHTML = `<div class="form-alert error">Ошибка загрузки вкладки: ${e.message}</div>`;
+        console.error(e);
+    }
+
+    // Close mobile menu if open
+    sidebar.classList.remove('open');
+    sidebarOverlay.classList.remove('open');
+}
+
+// Load default tab
+switchTab('users');