feat(carbet): add lastBookedAt and endpoint

src/lib/carbet-last-booked.ts

@@ -0,0 +1,24 @@
+import { BookingStatus } from "@/generated/prisma/enums";
+import { prisma } from "@/lib/prisma";
+
+export async function refreshCarbetLastBookedAt(carbetId: string): Promise<void> {
+  const latestConfirmedBooking = await prisma.booking.findFirst({
+    where: {
+      carbetId,
+      status: BookingStatus.CONFIRMED,
+    },
+    orderBy: {
+      updatedAt: "desc",
+    },
+    select: {
+      updatedAt: true,
+    },
+  });
+
+  await prisma.carbet.update({
+    where: { id: carbetId },
+    data: {
+      lastBookedAt: latestConfirmedBooking?.updatedAt ?? null,
+    },
+  });
+}