Initial commit: ANOUMA website with Payload CMS, WebRTC meetings, and booking system

- Next.js 16 App Router site with the ANOUMA design system
- Payload CMS (PostgreSQL) for offers, events, posts and page content
- WebRTC video-call system with custom signaling server
- SMTP email reminders and booking-request notifications
- Customer accounts, calendar-based availability, and booking workflow

app/(payload)/api/meetings/[slug]/register/route.ts

@@ -0,0 +1,73 @@
+import { NextResponse } from "next/server";
+import { getPayload } from "payload";
+import config from "@payload-config";
+
+export const dynamic = "force-dynamic";
+
+type Args = { params: Promise<{ slug: string }> };
+
+export async function POST(request: Request, { params }: Args) {
+  const { slug } = await params;
+
+  let body: { name?: unknown; email?: unknown };
+  try {
+    body = await request.json();
+  } catch {
+    return NextResponse.json({ error: "Ungültige Anfrage." }, { status: 400 });
+  }
+
+  const name = typeof body.name === "string" ? body.name.trim() : "";
+  const email = typeof body.email === "string" ? body.email.trim() : "";
+  if (!name || !email || !email.includes("@")) {
+    return NextResponse.json({ error: "Bitte gib deinen Namen und eine gültige E-Mail-Adresse an." }, { status: 400 });
+  }
+
+  try {
+    const payload = await getPayload({ config });
+
+    const { docs } = await payload.find({
+      collection: "events",
+      where: { slug: { equals: slug } },
+      limit: 1,
+    });
+    const event = docs[0];
+    if (!event) {
+      return NextResponse.json({ error: "Dieser Termin wurde nicht gefunden." }, { status: 404 });
+    }
+
+    const { docs: existingForEmail } = await payload.find({
+      collection: "event-registrations",
+      where: {
+        and: [
+          { event: { equals: event.id } },
+          { email: { equals: email } },
+          { status: { equals: "registered" } },
+        ],
+      },
+      limit: 1,
+    });
+    if (existingForEmail[0]) {
+      return NextResponse.json({ ok: true, alreadyRegistered: true });
+    }
+
+    if (event.maxParticipants) {
+      const { totalDocs } = await payload.count({
+        collection: "event-registrations",
+        where: { and: [{ event: { equals: event.id } }, { status: { equals: "registered" } }] },
+      });
+      if (totalDocs >= event.maxParticipants) {
+        return NextResponse.json({ error: "Dieser Termin ist bereits ausgebucht." }, { status: 409 });
+      }
+    }
+
+    await payload.create({
+      collection: "event-registrations",
+      data: { event: event.id, name, email, status: "registered" },
+    });
+
+    return NextResponse.json({ ok: true });
+  } catch (error) {
+    console.error("event registration failed", error);
+    return NextResponse.json({ error: "Die Anmeldung ist gerade nicht möglich. Bitte versuche es später erneut." }, { status: 500 });
+  }
+}