From aa1fd1c35b6485f6a1bf944d9384236e6cab3e73 Mon Sep 17 00:00:00 2001
From: aguhh18 <teguh180902@gmail.com>
Date: Thu, 5 Feb 2026 09:57:38 +0700
Subject: [PATCH] FEAT[BE] :update price calculation in sales order service for
 accurate rounding, add new conversion unit for quantity

---
 .../modules/marketing/services/salesorder.service.go  | 11 ++++++-----
 internal/utils/constant.go                            |  3 ++-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/internal/modules/marketing/services/salesorder.service.go b/internal/modules/marketing/services/salesorder.service.go
index 58901794..eb2e4f5b 100644
--- a/internal/modules/marketing/services/salesorder.service.go
+++ b/internal/modules/marketing/services/salesorder.service.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"math"
 	"strings"
 
 	commonRepo "gitlab.com/mbugroup/lti-api.git/internal/common/repository"
@@ -752,13 +753,13 @@ func (s *salesOrdersService) createMarketingProductWithDelivery(ctx context.Cont
 func (s *salesOrdersService) calculatePriceByMarketingType(marketingType string, qty, avgWeight, unitPrice float64, week *int) (totalWeight, totalPrice float64) {
 	if marketingType == string(utils.MarketingTypeTrading) {
 		totalWeight = 0
-		totalPrice = qty * unitPrice
+		totalPrice = math.Round(qty*unitPrice*100) / 100
 	} else if marketingType == string(utils.MarketingTypeAyamPullet) && week != nil && *week > 0 {
-		totalWeight = qty * avgWeight
-		totalPrice = unitPrice * float64(*week) * qty
+		totalWeight = math.Round(qty*avgWeight*100) / 100
+		totalPrice = math.Round(unitPrice*float64(*week)*qty*100) / 100
 	} else {
-		totalWeight = qty * avgWeight
-		totalPrice = totalWeight * unitPrice
+		totalWeight = math.Round(qty*avgWeight*100) / 100
+		totalPrice = math.Round(totalWeight*unitPrice*100) / 100
 	}
 	return totalWeight, totalPrice
 }
diff --git a/internal/utils/constant.go b/internal/utils/constant.go
index 1de04fa3..27d1ec3e 100644
--- a/internal/utils/constant.go
+++ b/internal/utils/constant.go
@@ -234,6 +234,7 @@ type ConvertionUnit string
 const (
 	ConvertionUnitPeti ConvertionUnit = "PETI"
 	ConvertionUnitKG   ConvertionUnit = "KG"
+	ConvertionUnitQty  ConvertionUnit = "QTY"
 )
 
 // -------------------------------------------------------------------
@@ -643,7 +644,7 @@ func IsValidMarketingType(v string) bool {
 
 func IsValidConvertionUnit(v string) bool {
 	switch ConvertionUnit(v) {
-	case ConvertionUnitPeti, ConvertionUnitKG:
+	case ConvertionUnitPeti, ConvertionUnitKG, ConvertionUnitQty:
 		return true
 	}
 	return false