Add curator special curation flow and shared editor

app/api/curator/specials/[id]/route.ts

@@ -0,0 +1,58 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { PrismaClient } from '@prisma/client';
+import { requireStaffAuth } from '@/lib/auth';
+
+const prisma = new PrismaClient();
+
+export async function GET(
+    request: NextRequest,
+    { params }: { params: Promise<{ id: string }> }
+) {
+    const { error, context } = await requireStaffAuth(request);
+    if (error || !context) return error!;
+
+    if (context.role !== 'curator') {
+        return NextResponse.json(
+            { error: 'Only curators can access this endpoint' },
+            { status: 403 }
+        );
+    }
+
+    const { id } = await params;
+    const specialId = Number(id);
+    if (!specialId || Number.isNaN(specialId)) {
+        return NextResponse.json({ error: 'Invalid special id' }, { status: 400 });
+    }
+
+    // Prüfen, ob dieses Special dem Kurator zugeordnet ist
+    const assignment = await prisma.curatorSpecial.findFirst({
+        where: { curatorId: context.curator.id, specialId },
+    });
+
+    if (!assignment) {
+        return NextResponse.json(
+            { error: 'Forbidden: You are not allowed to access this special' },
+            { status: 403 }
+        );
+    }
+
+    const special = await prisma.special.findUnique({
+        where: { id: specialId },
+        include: {
+            songs: {
+                include: {
+                    song: true,
+                },
+                orderBy: { order: 'asc' },
+            },
+        },
+    });
+
+    if (!special) {
+        return NextResponse.json({ error: 'Special not found' }, { status: 404 });
+    }
+
+    return NextResponse.json(special);
+}
+
+