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/api/register/route.ts

@@ -1,73 +1,19 @@
 import { NextResponse } from "next/server";
-import { prisma } from "@/lib/prisma";
-import bcrypt from "bcryptjs";
+import { userService } from "@/services/users/user.service";
+import { ValidationError, ConflictError } from "@/services/errors";
 
 export async function POST(request: Request) {
   try {
     const body = await request.json();
     const { email, username, password, bio, characterClass, avatar } = body;
 
-    if (!email || !username || !password) {
-      return NextResponse.json(
-        { error: "Email, nom d'utilisateur et mot de passe sont requis" },
-        { status: 400 }
-      );
-    }
-
-    if (password.length < 6) {
-      return NextResponse.json(
-        { error: "Le mot de passe doit contenir au moins 6 caractères" },
-        { status: 400 }
-      );
-    }
-
-    // Valider characterClass si fourni
-    const validCharacterClasses = [
-      "WARRIOR",
-      "MAGE",
-      "ROGUE",
-      "RANGER",
-      "PALADIN",
-      "ENGINEER",
-      "MERCHANT",
-      "SCHOLAR",
-      "BERSERKER",
-      "NECROMANCER",
-    ];
-    if (characterClass && !validCharacterClasses.includes(characterClass)) {
-      return NextResponse.json(
-        { error: "Classe de personnage invalide" },
-        { status: 400 }
-      );
-    }
-
-    // Vérifier si l'email existe déjà
-    const existingUser = await prisma.user.findFirst({
-      where: {
-        OR: [{ email }, { username }],
-      },
-    });
-
-    if (existingUser) {
-      return NextResponse.json(
-        { error: "Cet email ou nom d'utilisateur est déjà utilisé" },
-        { status: 400 }
-      );
-    }
-
-    // Hasher le mot de passe
-    const hashedPassword = await bcrypt.hash(password, 10);
-
-    // Créer l'utilisateur
-    const user = await prisma.user.create({
-      data: {
-        email,
-        username,
-        password: hashedPassword,
-        bio: bio || null,
-        characterClass: characterClass || null,
-        avatar: avatar || null,
-      },
+    const user = await userService.validateAndCreateUser({
+      email,
+      username,
+      password,
+      bio,
+      characterClass,
+      avatar,
     });
 
     return NextResponse.json(
@@ -76,6 +22,11 @@ export async function POST(request: Request) {
     );
   } catch (error) {
     console.error("Registration error:", error);
+
+    if (error instanceof ValidationError || error instanceof ConflictError) {
+      return NextResponse.json({ error: error.message }, { status: 400 });
+    }
+
     return NextResponse.json(
       { error: "Une erreur est survenue lors de l'inscription" },
       { status: 500 }