enrich card

internal/services/card/card.go

@@ -30,7 +30,7 @@ func (s *Service) GetCard(ctx context.Context, items []*proto.OrderItem) ([]*pro
 		if err != nil {
 			return nil, err
 		}
-		amount, err := calcItemAmount(
+		amount, amountOld, err := calcItemAmount(
 			&ProductAndCount{
 				product: product,
 				count:   item.Count,
@@ -51,13 +51,17 @@ func (s *Service) GetCard(ctx context.Context, items []*proto.OrderItem) ([]*pro
 				Inventory: product.Inventory,
 				Count:     item.Count,
 				Amount:    amount,
+				AmountOld: amountOld,
+				Variants:  product.Variants,
+				Labels:    product.Labels,
 			},
 		)
 	}
 	return res, nil
 }
 
-func calcItemAmount(item *ProductAndCount) (int64, error) {
+func calcItemAmount(item *ProductAndCount) (int64, int64, error) {
+	variantOld := item.product.Variants[0]
 	var variant *proto.Variant
 	for _, v := range item.product.Variants {
 		check := true
@@ -65,7 +69,7 @@ func calcItemAmount(item *ProductAndCount) (int64, error) {
 			if property.Name == "min" {
 				minBorder, err := strconv.ParseInt(property.Value, 10, 64)
 				if err != nil {
-					return 0, err
+					return 0, 0, err
 				}
 				if item.count < minBorder {
 					check = false
@@ -74,7 +78,7 @@ func calcItemAmount(item *ProductAndCount) (int64, error) {
 			if property.Name == "max" {
 				maxBorder, err := strconv.ParseInt(property.Value, 10, 64)
 				if err != nil {
-					return 0, err
+					return 0, 0, err
 				}
 				if item.count > maxBorder {
 					check = false
@@ -86,8 +90,9 @@ func calcItemAmount(item *ProductAndCount) (int64, error) {
 			}
 		}
 	}
+	variant.Active = true
 	if variant == nil {
-		return 0, errors.New("variant not found")
+		return 0, 0, errors.New("variant not found")
 	}
-	return variant.Price * item.count, nil
+	return variant.Price * item.count, variantOld.Price * item.count, nil
 }