ajout de la gestion des favoris

app/api/favorites/route.ts

@@ -0,0 +1,76 @@
+import { NextRequest, NextResponse } from 'next/server';
+import prisma from '@/lib/prisma';
+
+// GET /api/favorites - Get user's favorites
+export async function GET(request: NextRequest) {
+    try {
+        const userId = request.headers.get('x-user-id');
+        if (!userId) {
+            return NextResponse.json({ error: 'Utilisateur non identifié' }, { status: 401 });
+        }
+
+        const favorites = await prisma.favorite.findMany({
+            where: { userId },
+            include: {
+                business: {
+                    include: {
+                        categoryRef: true,
+                        country: true
+                    }
+                }
+            },
+            orderBy: { createdAt: 'desc' }
+        });
+
+        return NextResponse.json(favorites);
+    } catch (error) {
+        console.error('GET /api/favorites error:', error);
+        return NextResponse.json({ error: 'Erreur serveur' }, { status: 500 });
+    }
+}
+
+// POST /api/favorites - Toggle favorite
+export async function POST(request: NextRequest) {
+    try {
+        const userId = request.headers.get('x-user-id');
+        const body = await request.json();
+        const { businessId } = body;
+
+        if (!userId) {
+            return NextResponse.json({ error: 'Utilisateur non identifié' }, { status: 401 });
+        }
+        if (!businessId) {
+            return NextResponse.json({ error: 'businessId requis' }, { status: 400 });
+        }
+
+        // Check if already favorited
+        const existing = await prisma.favorite.findUnique({
+            where: {
+                userId_businessId: {
+                    userId,
+                    businessId
+                }
+            }
+        });
+
+        if (existing) {
+            // Unfavorite
+            await prisma.favorite.delete({
+                where: { id: existing.id }
+            });
+            return NextResponse.json({ favorited: false });
+        } else {
+            // Favorite
+            await prisma.favorite.create({
+                data: {
+                    userId,
+                    businessId
+                }
+            });
+            return NextResponse.json({ favorited: true });
+        }
+    } catch (error) {
+        console.error('POST /api/favorites error:', error);
+        return NextResponse.json({ error: 'Erreur lors du changement de favori' }, { status: 500 });
+    }
+}