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app/api/events/route.ts

@@ -25,7 +25,8 @@ export async function GET(request: Request) {
 
   const events = await prisma.event.findMany({
     where,
-    orderBy: { startAt: "asc" }
+    orderBy: { startAt: "asc" },
+    include: { category: true }
   });
 
   return NextResponse.json(events);
@@ -38,24 +39,68 @@ export async function POST(request: Request) {
   }
 
   const body = await request.json();
-  const { title, description, location, startAt, endAt } = body || {};
+  const {
+    title,
+    description,
+    location,
+    locationPlaceId,
+    locationLat,
+    locationLng,
+    startAt,
+    endAt,
+    categoryId
+  } = body || {};
 
-  if (!title || !startAt || !endAt) {
+  if (!title || !startAt) {
     return NextResponse.json(
-      { error: "Titel, Start und Ende sind erforderlich." },
+      { error: "Titel und Start sind erforderlich." },
       { status: 400 }
     );
   }
 
+  if (!categoryId) {
+    return NextResponse.json(
+      { error: "Kategorie ist erforderlich." },
+      { status: 400 }
+    );
+  }
+
+  const startDate = new Date(startAt);
+  const endDate = endAt
+    ? new Date(endAt)
+    : new Date(startDate.getTime() + 3 * 60 * 60 * 1000);
+  const creatorEmail = session.user?.email || "";
+
+  const existing = await prisma.event.findFirst({
+    where: {
+      title,
+      startAt: startDate,
+      location: location || null,
+      categoryId,
+      createdBy: { email: creatorEmail }
+    }
+  });
+
+  if (existing) {
+    return NextResponse.json(
+      { error: "Ein identischer Termin existiert bereits." },
+      { status: 409 }
+    );
+  }
+
   const event = await prisma.event.create({
     data: {
       title,
       description: description || null,
       location: location || null,
-      startAt: new Date(startAt),
-      endAt: new Date(endAt),
+      locationPlaceId: locationPlaceId || null,
+      locationLat: locationLat ? Number(locationLat) : null,
+      locationLng: locationLng ? Number(locationLng) : null,
+      startAt: startDate,
+      endAt: endDate,
       status: isAdminSession(session) ? "APPROVED" : "PENDING",
-      createdBy: { connect: { email: session.user?.email || "" } }
+      createdBy: { connect: { email: creatorEmail } },
+      category: { connect: { id: categoryId } }
     }
   });