Refactor event handling and user management: Replace direct database calls with service layer methods for events, user profiles, and preferences, enhancing code organization and maintainability. Update API routes to utilize new services for event registration, feedback, and user statistics, ensuring a consistent approach across the application.

components/NavigationWrapper.tsx

@@ -1,5 +1,5 @@
 import { auth } from "@/lib/auth";
-import { prisma } from "@/lib/prisma";
+import { userService } from "@/services/users/user.service";
 import Navigation from "./Navigation";
 
 interface UserData {
@@ -19,17 +19,14 @@ export default async function NavigationWrapper() {
   const isAdmin = session?.user?.role === "ADMIN";
 
   if (session?.user?.id) {
-    const user = await prisma.user.findUnique({
-      where: { id: session.user.id },
-      select: {
-        username: true,
-        avatar: true,
-        hp: true,
-        maxHp: true,
-        xp: true,
-        maxXp: true,
-        level: true,
-      },
+    const user = await userService.getUserById(session.user.id, {
+      username: true,
+      avatar: true,
+      hp: true,
+      maxHp: true,
+      xp: true,
+      maxXp: true,
+      level: true,
     });
 
     if (user) {