feat: add CMS inquiries and group bookings

app/(payload)/api/email/inbound/route.ts

@@ -0,0 +1,94 @@
+import { NextResponse } from "next/server";
+import { getPayload } from "payload";
+import config from "@payload-config";
+
+export const dynamic = "force-dynamic";
+
+type InboundBody = {
+  from?: unknown;
+  sender?: unknown;
+  email?: unknown;
+  name?: unknown;
+  subject?: unknown;
+  text?: unknown;
+  body?: unknown;
+  html?: unknown;
+  messageId?: unknown;
+  inReplyTo?: unknown;
+};
+
+function stringValue(value: unknown): string {
+  return typeof value === "string" ? value.trim() : "";
+}
+
+function extractEmail(value: unknown): string {
+  if (value && typeof value === "object" && "email" in value) return extractEmail((value as { email?: unknown }).email);
+  const raw = stringValue(value);
+  const match = raw.match(/<([^>]+)>/) || raw.match(/([\w.+-]+@[\w.-]+\.[A-Za-z]{2,})/);
+  return (match?.[1] || raw).trim().toLowerCase();
+}
+
+function stripHtml(value: string): string {
+  return value.replace(/<style[\s\S]*?<\/style>/gi, "").replace(/<script[\s\S]*?<\/script>/gi, "").replace(/<[^>]+>/g, " ").replace(/\s+/g, " ").trim();
+}
+
+function findThreadKey(subject: string): string | null {
+  return subject.match(/\[ANOUMA-([^\]]+)\]/i)?.[1] || null;
+}
+
+export async function POST(request: Request) {
+  const secret = process.env.INBOUND_EMAIL_SECRET;
+  const supplied = request.headers.get("x-inbound-secret") || request.headers.get("authorization")?.replace(/^Bearer\s+/i, "");
+  if (!secret || supplied !== secret) return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+
+  let body: InboundBody;
+  try {
+    body = await request.json();
+  } catch {
+    return NextResponse.json({ error: "JSON erwartet." }, { status: 400 });
+  }
+
+  const fromRaw = body.from ?? body.sender ?? body.email;
+  const email = extractEmail(fromRaw);
+  const fromName = fromRaw && typeof fromRaw === "object" && "name" in fromRaw ? stringValue((fromRaw as { name?: unknown }).name) : "";
+  const name = stringValue(body.name) || fromName || stringValue(fromRaw).replace(/<[^>]+>/, "").trim() || email;
+  const subject = stringValue(body.subject) || "Antwort auf deine Anfrage";
+  const messageId = stringValue(body.messageId);
+  const text = stringValue(body.text) || stringValue(body.body) || stripHtml(stringValue(body.html));
+  if (!email || !messageId || !text) return NextResponse.json({ error: "Absender, messageId und Inhalt sind erforderlich." }, { status: 400 });
+
+  try {
+    const payload = await getPayload({ config });
+    if (messageId) {
+      const existing = await payload.find({ collection: "conversation-messages", where: { externalMessageId: { equals: messageId } }, limit: 1, overrideAccess: true });
+      if (existing.docs[0]) return NextResponse.json({ ok: true, duplicate: true });
+    }
+
+    const threadKey = findThreadKey(subject);
+    let conversation = threadKey
+      ? (await payload.find({ collection: "conversations", where: { threadKey: { equals: threadKey } }, limit: 1, overrideAccess: true })).docs[0]
+      : undefined;
+    if (!conversation) {
+      conversation = (await payload.find({ collection: "conversations", where: { email: { equals: email }, status: { not_equals: "closed" } }, sort: "-lastMessageAt", limit: 1, overrideAccess: true })).docs[0];
+    }
+    if (!conversation) return NextResponse.json({ error: "Keine passende Konversation gefunden." }, { status: 404 });
+
+    await payload.create({
+      collection: "conversation-messages",
+      overrideAccess: true,
+      data: {
+        conversation: conversation.id,
+        senderType: "visitor",
+        senderName: name,
+        senderEmail: email,
+        body: text.slice(0, 10000),
+        externalMessageId: messageId,
+      },
+    });
+    await payload.update({ collection: "conversations", id: conversation.id, overrideAccess: true, data: { status: "open", lastMessageAt: new Date().toISOString() } });
+    return NextResponse.json({ ok: true });
+  } catch (error) {
+    console.error("inbound email failed", error);
+    return NextResponse.json({ error: "E-Mail konnte nicht übernommen werden." }, { status: 500 });
+  }
+}