Добавил вкладку заявок

frontend/admin/js/main.js

@@ -3,7 +3,7 @@ if (!['localhost', '127.0.0.1'].includes(window.location.hostname)) {
     import('./otel.js').catch(e => console.warn('OTel init skipped:', e.message));
 }
 
-import { isAuthenticatedAsAny, logout } from './api.js';
+import { api, isAuthenticatedAsAny, logout } from './api.js';
 import { applyRippleEffect, closeAllDropdownsOnOutsideClick } from './utils.js';
 import { startDropdownAutoObserver, initAllCustomDropdowns } from './dropdown.js';
 
@@ -38,6 +38,14 @@ const ROUTES = {
             await module.initUsers();
         }
     },
+    'teacher-requests': {
+        title: 'Заявки',
+        file: '/admin/views/teacher-requests.html',
+        init: async () => {
+            const module = await import('./views/teacher-requests.js');
+            await module.initTeacherRequests();
+        }
+    },
     groups: { 
         title: 'Управление группами', 
         file: '/admin/views/groups.html', 
@@ -115,7 +123,7 @@ const ROUTES = {
 const ROLE_NAVIGATION = {
     ADMIN: {
         defaultTab: 'dashboard',
-        tabs: ['dashboard', 'schedule', 'academic-calendar', 'auditorium-workload', 'schedule-view', 'classrooms', 'groups', 'university-structure', 'subjects', 'users']
+        tabs: ['dashboard', 'teacher-requests', 'schedule', 'academic-calendar', 'auditorium-workload', 'schedule-view', 'classrooms', 'groups', 'university-structure', 'subjects', 'users']
     },
     EDUCATION_OFFICE: {
         defaultTab: 'dashboard',
@@ -143,6 +151,8 @@ const menuToggle = document.getElementById('menu-toggle');
 const sidebarCloseBtn = document.getElementById('sidebar-close-btn');
 const btnLogout = document.getElementById('btn-logout');
 const main = document.querySelector('.main');
+const teacherRequestsNavBadge = document.getElementById('teacher-requests-nav-badge');
+const teacherRequestsTitleBadge = document.getElementById('teacher-requests-title-badge');
 const roleNavigation = ROLE_NAVIGATION[currentRole] || ROLE_NAVIGATION.SCHEDULE_VIEWER;
 const allowedTabs = new Set(roleNavigation.tabs);
 
@@ -150,6 +160,7 @@ const allowedTabs = new Set(roleNavigation.tabs);
 applyRippleEffect();
 closeAllDropdownsOnOutsideClick();
 configureRoleInterface();
+refreshTeacherRequestBadge();
 
 // Init sidebar state from localStorage on load
 if (window.innerWidth > 768 && localStorage.getItem('sidebar-collapsed') === 'true') {
@@ -207,6 +218,10 @@ btnLogout.addEventListener('click', async () => {
     window.location.href = '/';
 });
 
+teacherRequestsTitleBadge?.addEventListener('click', () => {
+    switchTab('teacher-requests');
+});
+
 // Navigation
 navItems.forEach(item => {
     item.addEventListener('click', (e) => {
@@ -271,6 +286,42 @@ function configureRoleInterface() {
     document.querySelector('.logo span').textContent = firstAllowedTitle;
 }
 
+async function refreshTeacherRequestBadge(countOverride = null) {
+    if (currentRole !== 'ADMIN') return;
+    try {
+        const count = countOverride === null
+            ? (await api.get('/api/teacher-requests?status=PENDING') || []).length
+            : countOverride;
+        updateTeacherRequestBadge(teacherRequestsNavBadge, count, count > 99 ? '99+' : String(count));
+        updateTeacherRequestBadge(teacherRequestsTitleBadge, count, requestCountLabel(count));
+    } catch (error) {
+        if (teacherRequestsNavBadge) teacherRequestsNavBadge.hidden = true;
+        if (teacherRequestsTitleBadge) teacherRequestsTitleBadge.hidden = true;
+        console.warn('Не удалось загрузить счётчик заявок:', error.message);
+    }
+}
+
+function updateTeacherRequestBadge(element, count, label) {
+    if (!element) return;
+    const normalizedCount = Number(count) || 0;
+    element.textContent = label;
+    element.hidden = normalizedCount <= 0;
+    element.setAttribute('aria-hidden', normalizedCount <= 0 ? 'true' : 'false');
+    element.setAttribute('aria-label', normalizedCount > 0 ? `Заявок в очереди: ${normalizedCount}` : 'Заявок в очереди нет');
+}
+
+function requestCountLabel(count) {
+    const mod10 = count % 10;
+    const mod100 = count % 100;
+    if (mod10 === 1 && mod100 !== 11) return `${count} заявка`;
+    if (mod10 >= 2 && mod10 <= 4 && (mod100 < 12 || mod100 > 14)) return `${count} заявки`;
+    return `${count} заявок`;
+}
+
+document.addEventListener('teacherRequestsChanged', (event) => {
+    refreshTeacherRequestBadge(Number.isFinite(event.detail?.count) ? event.detail.count : null);
+});
+
 const hashTab = window.location.hash.replace('#', '');
 switchTab(allowedTabs.has(hashTab) ? hashTab : roleNavigation.defaultTab);