新增更新购物车购买数量接口

server/shopping-cart/internal/logic/addtocartlogic.go

@@ -37,7 +37,7 @@ func NewAddToCartLogic(ctx context.Context, svcCtx *svc.ServiceContext) *AddToCa
 
 func (l *AddToCartLogic) AddToCart(req *types.AddToCartReq, userinfo *auth.UserInfo) (resp *basic.Response) {
 	if !userinfo.IsUser() {
-		return resp.SetStatusWithMessage(basic.CodeUnAuth, "please sign in before add to shopping cart")
+		return resp.SetStatusWithMessage(basic.CodeUnAuth, "please sign in")
 	}
 	//校验参数
 	if err := l.AddToCartParamVerify(req); err != nil {

server/shopping-cart/internal/logic/modifycartpurchasequantitylogic.go

@@ -1,8 +1,11 @@
 package logic
 
 import (
+	"errors"
+	"fusenapi/model/gmodel"
 	"fusenapi/utils/auth"
 	"fusenapi/utils/basic"
+	"gorm.io/gorm"
 
 	"context"
 
@@ -31,10 +34,33 @@ func NewModifyCartPurchaseQuantityLogic(ctx context.Context, svcCtx *svc.Service
 // }
 
 func (l *ModifyCartPurchaseQuantityLogic) ModifyCartPurchaseQuantity(req *types.ModifyCartPurchaseQuantityReq, userinfo *auth.UserInfo) (resp *basic.Response) {
-	// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
-	// userinfo 传入值时, 一定不为null
-
-	return resp.SetStatus(basic.CodeOK)
+	if !userinfo.IsUser() {
+		return resp.SetStatusWithMessage(basic.CodeUnAuth, "please sign in")
+	}
+	if req.Id <= 0 {
+		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "cart id is required")
+	}
+	if req.PurchaseQuantity <= 0 {
+		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "purchase quantity can not less than 0 or equal to 0")
+	}
+	//查询购物车
+	_, err := l.svcCtx.AllModels.FsShoppingCart.FineOneUserCart(l.ctx, req.Id, userinfo.UserId, "id")
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the shopping cart is not exists")
+		}
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "system err:failed to get  shopping cart info ")
+	}
+	//修改数量
+	err = l.svcCtx.AllModels.FsShoppingCart.Update(l.ctx, req.Id, userinfo.UserId, &gmodel.FsShoppingCart{
+		PurchaseQuantity: &req.PurchaseQuantity,
+	})
+	if err != nil {
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "system err:failed to modify cart purchase quantity")
+	}
+	return resp.SetStatus(basic.CodeOK, "success")
 }
 
 // 处理逻辑后 w,r 如:重定向, resp 必须重新处理

server/shopping-cart/internal/types/types.go

@@ -30,8 +30,8 @@ type DeleteCartReq struct {
 }
 
 type ModifyCartPurchaseQuantityReq struct {
-	Id       int64 `json:"id"`       //购物车id
-	Quantity int64 `json:"quantity"` //数量
+	Id               int64 `json:"id"`                //购物车id
+	PurchaseQuantity int64 `json:"purchase_quantity"` //数量
 }
 
 type GetCartsReq struct {