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.

app/leaderboard/page.tsx

@@ -1,49 +1,12 @@
 import NavigationWrapper from "@/components/NavigationWrapper";
 import LeaderboardSection from "@/components/LeaderboardSection";
-import { prisma } from "@/lib/prisma";
+import { userStatsService } from "@/services/users/user-stats.service";
 import { getBackgroundImage } from "@/lib/preferences";
 
 export const dynamic = "force-dynamic";
 
-interface LeaderboardEntry {
-  rank: number;
-  username: string;
-  email: string;
-  score: number;
-  level: number;
-  avatar: string | null;
-  bio: string | null;
-  characterClass: string | null;
-}
-
 export default async function LeaderboardPage() {
-  const users = await prisma.user.findMany({
-    orderBy: {
-      score: "desc",
-    },
-    take: 10,
-    select: {
-      id: true,
-      username: true,
-      email: true,
-      score: true,
-      level: true,
-      avatar: true,
-      bio: true,
-      characterClass: true,
-    },
-  });
-
-  const leaderboard: LeaderboardEntry[] = users.map((user, index) => ({
-    rank: index + 1,
-    username: user.username,
-    email: user.email,
-    score: user.score,
-    level: user.level,
-    avatar: user.avatar,
-    bio: user.bio,
-    characterClass: user.characterClass,
-  }));
+  const leaderboard = await userStatsService.getLeaderboard(10);
 
   const backgroundImage = await getBackgroundImage(
     "leaderboard",