From d5a153702de430ecd0dc2c7dac6e019b2f556b1c Mon Sep 17 00:00:00 2001
From: ItsMalma <itsmalma28@gmail.com>
Date: Thu, 8 Jan 2026 21:15:47 +0700
Subject: [PATCH] update order price calculation

---
 .../midtrans.payment-service.ts               | 62 +++++++++++--------
 src/modules/order/order.schemas.ts            |  8 +--
 2 files changed, 40 insertions(+), 30 deletions(-)

diff --git a/src/common/services/payment-service/midtrans.payment-service.ts b/src/common/services/payment-service/midtrans.payment-service.ts
index e2399fb..69a53a6 100644
--- a/src/common/services/payment-service/midtrans.payment-service.ts
+++ b/src/common/services/payment-service/midtrans.payment-service.ts
@@ -35,32 +35,42 @@ export class MidtransPaymentService extends AbstractPaymentService {
 		if (order.type === OrderType.bookingSeat) {
 			price += BOOKING_SEAT_PRICE * quantity;
 		} else if (order.type === OrderType.downPayment) {
-			price +=
-				Math.ceil(
-					((order.quadDownPaymentPercentage / 100) *
-						(order.package.quadPrice - order.package.quadDiscount)) /
-						100_000,
-				) *
-					100_000 +
-				Math.ceil(
-					((order.tripleDownPaymentPercentage / 100) *
-						(order.package.triplePrice - order.package.tripleDiscount)) /
-						100_000,
-				) *
-					100_000 +
-				Math.ceil(
-					((order.doubleDownPaymentPercentage / 100) *
-						(order.package.doublePrice - order.package.doubleDiscount)) /
-						100_000,
-				) *
-					100_000 +
-				Math.ceil(
-					((order.infantDownPaymentPercentage / 100) *
-						((order.package.infantPrice ?? 0) -
-							(order.package.infantDiscount ?? 0))) /
-						100_000,
-				) *
-					100_000;
+			if (order.quadDownPaymentPercentage > 0) {
+				price +=
+					Math.ceil(
+						((order.quadDownPaymentPercentage / 100) *
+							(order.package.quadPrice - order.package.quadDiscount)) /
+							100_000,
+					) * 100_000;
+			}
+			if (order.tripleDownPaymentPercentage > 0) {
+				price +=
+					Math.ceil(
+						((order.tripleDownPaymentPercentage / 100) *
+							(order.package.triplePrice - order.package.tripleDiscount)) /
+							100_000,
+					) * 100_000;
+			}
+			if (order.doubleDownPaymentPercentage > 0) {
+				price +=
+					Math.ceil(
+						((order.doubleDownPaymentPercentage / 100) *
+							(order.package.doublePrice - order.package.doubleDiscount)) /
+							100_000,
+					) * 100_000;
+			}
+			if (
+				order.infantDownPaymentPercentage > 0 &&
+				order.package.infantPrice !== null &&
+				order.package.infantDiscount !== null
+			) {
+				price +=
+					Math.ceil(
+						((order.infantDownPaymentPercentage / 100) *
+							(order.package.infantPrice - order.package.infantDiscount)) /
+							100_000,
+					) * 100_000;
+			}
 		}
 		if (order.kit === Kit.minimal) {
 			price += MINIMAL_KIT_PRICE;
diff --git a/src/modules/order/order.schemas.ts b/src/modules/order/order.schemas.ts
index 4adb918..bbe9dcb 100644
--- a/src/modules/order/order.schemas.ts
+++ b/src/modules/order/order.schemas.ts
@@ -16,22 +16,22 @@ export const orderRequestSchema = z.object({
 	quad_down_payment_percentage: z
 		.number("Must be number.")
 		.int("Must be integer")
-		.min(25, "Min 25.")
+		.min(0, "Min 0.")
 		.max(100, "Max 100."),
 	triple_down_payment_percentage: z
 		.number("Must be number.")
 		.int("Must be integer")
-		.min(25, "Min 25.")
+		.min(0, "Min 0.")
 		.max(100, "Max 100."),
 	double_down_payment_percentage: z
 		.number("Must be number.")
 		.int("Must be integer")
-		.min(25, "Min 25.")
+		.min(0, "Min 0.")
 		.max(100, "Max 100."),
 	infant_down_payment_percentage: z
 		.number("Must be number.")
 		.int("Must be integer")
-		.min(25, "Min 25.")
+		.min(0, "Min 0.")
 		.max(100, "Max 100."),
 	kit: z.enum(Kit, "Must be either 'minimal', 'without_suitcase', or 'full'."),
 	vaccine: z.number("Must be number.").int("Must be integer.").min(0, "Min 0."),