add payment and integration with midtrans

server/services/booking.service.ts

@@ -2,6 +2,7 @@ import { Prisma } from "@/app/generated/prisma/client";
 import { prisma } from "@/lib/prisma";
 import { bookingRepo } from "@/server/repositories/booking.repo";
 import { paymentRepo } from "@/server/repositories/payment.repo";
+import { isTripDepartureDayPast } from "@/lib/trip-dates";
 
 const SERIAL_TX_ATTEMPTS = 6;
 
@@ -39,7 +40,7 @@ export const bookingService = {
           async (tx) => {
             const booking = await tx.booking.findUnique({
               where: { id: bookingId },
-              include: { trip: { select: { price: true } } },
+              include: { trip: { select: { price: true, date: true } } },
             });
             if (!booking) {
               throw new Error("Booking tidak ditemukan");
@@ -60,6 +61,11 @@ export const bookingService = {
                 "Booking belum siap menerima pembayaran (tunggu approve organizer)"
               );
             }
+            if (isTripDepartureDayPast(booking.trip.date)) {
+              throw new Error(
+                "Trip sudah lewat tanggal berangkat — pembayaran ditutup"
+              );
+            }
 
             const existing = await tx.payment.findFirst({
               where: {