Merge pull request 'fix(order): carry item weight through the contract-to-model transformer' (#30) from feature/weight-based-products into main

Reviewed-on: https://gits.altru.id/apksel-dev/apskel-pos-backend/pulls/30

internal/transformer/order_transformer.go

@@ -17,6 +17,7 @@ func CreateOrderContractToModel(req *contract.CreateOrderRequest) *models.Create
 			ProductID:        item.ProductID,
 			ProductVariantID: item.ProductVariantID,
 			Quantity:         item.Quantity,
+			Weight:           item.Weight,
 			UnitPrice:        item.UnitPrice, // Now optional
 			Modifiers:        item.Modifiers,
 			Notes:            item.Notes,
@@ -58,6 +59,7 @@ func AddToOrderContractToModel(req *contract.AddToOrderRequest) *models.AddToOrd
 			ProductID:        item.ProductID,
 			ProductVariantID: item.ProductVariantID,
 			Quantity:         item.Quantity,
+			Weight:           item.Weight,
 			UnitPrice:        item.UnitPrice, // Now optional
 			Modifiers:        item.Modifiers,
 			Notes:            item.Notes,

internal/transformer/order_transformer_test.go

@@ -0,0 +1,48 @@
+package transformer
+
+import (
+	"testing"
+
+	"apskel-pos-be/internal/contract"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCreateOrderContractToModelCarriesWeight(t *testing.T) {
+	weight := 1.25
+
+	result := CreateOrderContractToModel(&contract.CreateOrderRequest{
+		OutletID: uuid.New(),
+		UserID:   uuid.New(),
+		OrderItems: []contract.CreateOrderItemRequest{
+			{
+				ProductID: uuid.New(),
+				Quantity:  1,
+				Weight:    &weight,
+			},
+		},
+	})
+
+	require.Len(t, result.OrderItems, 1)
+	require.NotNil(t, result.OrderItems[0].Weight)
+	require.Equal(t, weight, *result.OrderItems[0].Weight)
+}
+
+func TestAddToOrderContractToModelCarriesWeight(t *testing.T) {
+	weight := 0.8
+
+	result := AddToOrderContractToModel(&contract.AddToOrderRequest{
+		OrderItems: []contract.CreateOrderItemRequest{
+			{
+				ProductID: uuid.New(),
+				Quantity:  1,
+				Weight:    &weight,
+			},
+		},
+	})
+
+	require.Len(t, result.OrderItems, 1)
+	require.NotNil(t, result.OrderItems[0].Weight)
+	require.Equal(t, weight, *result.OrderItems[0].Weight)
+}