fix

server/shopping-cart/internal/handler/getcartnumhandler.go

@@ -0,0 +1,35 @@
+package handler
+
+import (
+	"net/http"
+	"reflect"
+
+	"fusenapi/utils/basic"
+
+	"fusenapi/server/shopping-cart/internal/logic"
+	"fusenapi/server/shopping-cart/internal/svc"
+	"fusenapi/server/shopping-cart/internal/types"
+)
+
+func GetCartNumHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+
+		var req types.Request
+		userinfo, err := basic.RequestParse(w, r, svcCtx, &req)
+		if err != nil {
+			return
+		}
+
+		// 创建一个业务逻辑层实例
+		l := logic.NewGetCartNumLogic(r.Context(), svcCtx)
+
+		rl := reflect.ValueOf(l)
+		basic.BeforeLogic(w, r, rl)
+
+		resp := l.GetCartNum(&req, userinfo)
+
+		if !basic.AfterLogic(w, r, rl, resp) {
+			basic.NormalAfterLogic(w, r, resp)
+		}
+	}
+}

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

@@ -0,0 +1,50 @@
+package logic
+
+import (
+	"fusenapi/utils/auth"
+	"fusenapi/utils/basic"
+
+	"context"
+
+	"fusenapi/server/shopping-cart/internal/svc"
+	"fusenapi/server/shopping-cart/internal/types"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type GetCartNumLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewGetCartNumLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetCartNumLogic {
+	return &GetCartNumLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+// 处理进入前逻辑w,r
+// func (l *GetCartNumLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
+// }
+
+func (l *GetCartNumLogic) GetCartNum(req *types.Request, userinfo *auth.UserInfo) (resp *basic.Response) {
+	if !userinfo.IsUser() {
+		return resp.SetStatusWithMessage(basic.CodeUnAuth, "please sign in")
+	}
+	count, err := l.svcCtx.AllModels.FsShoppingCart.CountUserCart(l.ctx, userinfo.UserId)
+	if err != nil {
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get cart num")
+	}
+	return resp.SetStatusWithMessage(basic.CodeOK, "success", types.GetCartNumRsp{
+		TotalCount: count,
+	})
+}
+
+// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
+// func (l *GetCartNumLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
+// // httpx.OkJsonCtx(r.Context(), w, resp)
+// }