first commit

app/api/ical/[token]/route.ts

@@ -0,0 +1,42 @@
+import ical from "ical-generator";
+import { NextResponse } from "next/server";
+import { prisma } from "../../../../lib/prisma";
+
+export async function GET(
+  _request: Request,
+  context: { params: { token: string } }
+) {
+  const view = await prisma.userView.findUnique({
+    where: { token: context.params.token },
+    include: { items: { include: { event: true } }, user: true }
+  });
+
+  if (!view) {
+    return NextResponse.json({ error: "Not found" }, { status: 404 });
+  }
+
+  const calendar = ical({
+    name: `Vereinskalender - ${view.name}`,
+    timezone: "Europe/Berlin"
+  });
+
+  view.items
+    .map((item) => item.event)
+    .filter((event) => event.status === "APPROVED")
+    .forEach((event) => {
+      calendar.createEvent({
+        id: event.id,
+        summary: event.title,
+        description: event.description || undefined,
+        location: event.location || undefined,
+        start: event.startAt,
+        end: event.endAt
+      });
+    });
+
+  return new NextResponse(calendar.toString(), {
+    headers: {
+      "Content-Type": "text/calendar; charset=utf-8"
+    }
+  });
+}