fix:购物车下单

service/repositories/order.go

@@ -4,13 +4,16 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"fusenapi/constants"
 	"fusenapi/model/gmodel"
 	"fusenapi/utils/basic"
+	"fusenapi/utils/format"
 	"fusenapi/utils/order"
 	"fusenapi/utils/shopping_cart"
 	"fusenapi/utils/step_price"
 	"math"
+	"strings"
 	"time"
 
 	"github.com/aws/aws-sdk-go/aws/session"
@@ -186,9 +189,6 @@ func (d *defaultOrder) Create(ctx context.Context, in *CreateReq) (res *CreateRe
 				shoppingCart.ShoppingCartProductModel3dList = []*gmodel.FsProductModel3d{shoppingCartProductModel3d}
 			}
 
-			var purchaseQuantity float64 = float64(*shoppingCart.PurchaseQuantity)
-			var eachBoxNum float64 = float64(*shoppingCartProductPrice.EachBoxNum)
-			var boxNum float64 = math.Ceil(purchaseQuantity / eachBoxNum)
 			var stepNum []int
 			var stepPrice []int
 			if *shoppingCartProductPrice.StepNum == "" {
@@ -205,11 +205,42 @@ func (d *defaultOrder) Create(ctx context.Context, in *CreateReq) (res *CreateRe
 			} else {
 				json.Unmarshal([]byte(*shoppingCartProductPrice.StepPrice), &stepPrice)
 			}
-			// 商品单价（厘）
-			productPrice := step_price.GetCentStepPrice(int(boxNum), stepNum, stepPrice)
 
-			// 商品总价（厘）
+			//阶梯数量切片
-			productTotalPrice := productPrice * *shoppingCart.PurchaseQuantity
+			stepNum, err := format.StrSlicToIntSlice(strings.Split(*shoppingCartProductPrice.StepNum, ","))
+			if err != nil {
+				errorCode = *basic.CodeErrOrderCreatProductPriceAbsent
+				errorCode.Message = fmt.Sprintf("failed to parse step number:%d_%d", *shoppingCart.ProductId, *shoppingCart.SizeId)
+				return errors.New(errorCode.Message)
+			}
+			lenStepNum := len(stepNum)
+			//阶梯价格切片
+			stepPrice, err = format.StrSlicToIntSlice(strings.Split(*shoppingCartProductPrice.StepPrice, ","))
+			if err != nil {
+				errorCode = *basic.CodeErrOrderCreatProductPriceAbsent
+				errorCode.Message = fmt.Sprintf("failed to parse step price:%d_%d", *shoppingCart.ProductId, *shoppingCart.SizeId)
+				return errors.New(errorCode.Message)
+			}
+			lenStepPrice := len(stepPrice)
+			if lenStepPrice == 0 || lenStepNum == 0 {
+				errorCode = *basic.CodeErrOrderCreatProductPriceAbsent
+				errorCode.Message = fmt.Sprintf("step price or step number is not set:%d_%d", *shoppingCart.ProductId, *shoppingCart.SizeId)
+				return errors.New(errorCode.Message)
+			}
+			// 购买数量
+			reqPurchaseQuantity := *shoppingCart.PurchaseQuantity
+			// 购买箱数
+			boxQuantity := int(math.Ceil(float64(reqPurchaseQuantity) / float64(*shoppingCartProductPrice.EachBoxNum)))
+			// 根据数量获取阶梯价格中对应的价格
+			productPrice := step_price.GetCentStepPrice(boxQuantity, stepNum, stepPrice)
+			// 如果有配件，单价也要加入配件价格
+			if *shoppingCart.FittingId > 0 {
+				if shoppingCart.ShoppingCartProductModel3dFitting != nil {
+					productPrice = productPrice + *shoppingCart.ShoppingCartProductModel3dFitting.Price
+				}
+			}
+			// 单个购物车总价（厘）
+			productTotalPrice := productPrice * reqPurchaseQuantity
 
 			// 订单商品总价（厘）
 			orderProductTotal = orderProductTotal + productTotalPrice