refactor: use services in routes plz

app/api/admin/users/route.ts

@@ -1,38 +1,10 @@
 import { NextRequest, NextResponse } from "next/server";
-import { getPool } from "@/services/database";
+import { UserService } from "@/services/user-service";
 
 // GET - Récupérer la liste des utilisateurs
 export async function GET(request: NextRequest) {
   try {
-    const pool = getPool();
-
-    // Récupérer tous les utilisateurs avec leurs informations d'équipe et d'évaluations
-    const query = `
-      SELECT 
-        u.uuid_id,
-        u.first_name,
-        u.last_name,
-        t.name as team_name,
-        CASE 
-          WHEN ue.id IS NOT NULL THEN true 
-          ELSE false 
-        END as has_evaluations
-      FROM users u
-      LEFT JOIN teams t ON u.team_id = t.id
-      LEFT JOIN user_evaluations ue ON u.uuid_id = ue.user_uuid
-      ORDER BY u.first_name, u.last_name
-    `;
-
-    const result = await pool.query(query);
-
-    const users = result.rows.map((row) => ({
-      uuid: row.uuid_id,
-      firstName: row.first_name,
-      lastName: row.last_name,
-      teamName: row.team_name,
-      hasEvaluations: row.has_evaluations,
-    }));
-
+    const users = await UserService.getAllUsersForAdmin();
     return NextResponse.json(users);
   } catch (error) {
     console.error("Error fetching users:", error);