add many to one in todo, fix bugs, notification about todos

src/controllers/admin.controller.js

@@ -123,10 +123,8 @@ export const getAllUsers = async (req, res) => {
 
     res.status(200).json({
       success: true,
-      data: {
-        users: allUsers,
-        count: allUsers.length,
-      },
+      count: allUsers.length,
+      data: allUsers,
     });
   } catch (error) {
     const errorResponse = formatErrorResponse(error, process.env.NODE_ENV === 'development');

src/controllers/time-tracking.controller.js

@@ -113,10 +113,12 @@ export const getAllTimeEntries = async (req, res) => {
 export const getMonthlyTimeEntries = async (req, res) => {
   try {
     const userId = req.userId;
+    const userRole = req.user.role;
+    const targetUserId = userRole === 'admin' && req.query.userId ? req.query.userId : userId;
     const { year, month } = req.params;
 
     const entries = await timeTrackingService.getMonthlyTimeEntries(
-      userId,
+      targetUserId,
       parseInt(year),
       parseInt(month)
     );
@@ -139,10 +141,12 @@ export const getMonthlyTimeEntries = async (req, res) => {
 export const generateMonthlyTimesheet = async (req, res) => {
   try {
     const userId = req.userId;
+    const userRole = req.user.role;
+    const targetUserId = userRole === 'admin' && req.query.userId ? req.query.userId : userId;
     const { year, month } = req.params;
 
     const result = await timeTrackingService.generateMonthlyTimesheet(
-      userId,
+      targetUserId,
       parseInt(year),
       parseInt(month)
     );
@@ -253,10 +257,12 @@ export const deleteTimeEntry = async (req, res) => {
 export const getMonthlyStats = async (req, res) => {
   try {
     const userId = req.userId;
+    const userRole = req.user.role;
+    const targetUserId = userRole === 'admin' && req.query.userId ? req.query.userId : userId;
     const { year, month } = req.params;
 
     const stats = await timeTrackingService.getMonthlyStats(
-      userId,
+      targetUserId,
       parseInt(year),
       parseInt(month)
     );

src/routes/admin.routes.js

@@ -9,9 +9,16 @@ import { z } from 'zod';
 const router = express.Router();
 
 /**
- * Všetky admin routes vyžadujú autentifikáciu a admin rolu
+ * Routes accessible to all authenticated users
  */
 router.use(authenticate);
+
+// Zoznam všetkých userov (dostupné pre všetkých autentifikovaných používateľov)
+router.get('/users', adminController.getAllUsers);
+
+/**
+ * Admin-only routes
+ */
 router.use(requireAdmin);
 
 /**
@@ -21,9 +28,6 @@ router.use(requireAdmin);
 // Vytvorenie nového usera
 router.post('/users', validateBody(createUserSchema), adminController.createUser);
 
-// Zoznam všetkých userov
-router.get('/users', adminController.getAllUsers);
-
 // Získanie konkrétneho usera
 router.get(
   '/users/:userId',