修复(#17): 修复订阅流量限制更新未生效

Closes HIF-17

internal/logic/admin/user/updateUserSubscribeLogic.go

@@ -2,6 +2,7 @@ package user
 
 import (
 	"context"
+	"encoding/json"
 	"time"
 
 	"github.com/perfect-panel/server/internal/model/user"
@@ -45,7 +46,11 @@ func (l *UpdateUserSubscribeLogic) UpdateUserSubscribe(req *types.UpdateUserSubs
 	}
 	trafficLimit := userSub.TrafficLimit
 	if req.TrafficLimit != nil {
-		trafficLimit = req.TrafficLimit
+		trafficLimit, err = marshalUserSubscribeTrafficLimit(req.TrafficLimit)
+		if err != nil {
+			l.Errorw("marshal traffic_limit failed:", logger.Field("error", err.Error()))
+			return errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "marshal traffic_limit failed: %v", err.Error())
+		}
 	}
 
 	err = l.svcCtx.UserModel.UpdateSubscribe(l.ctx, &user.Subscribe{
@@ -96,3 +101,12 @@ func (l *UpdateUserSubscribeLogic) UpdateUserSubscribe(req *types.UpdateUserSubs
 
 	return nil
 }
+
+func marshalUserSubscribeTrafficLimit(rules []types.TrafficLimit) (*string, error) {
+	val, err := json.Marshal(rules)
+	if err != nil {
+		return nil, err
+	}
+	trafficLimit := string(val)
+	return &trafficLimit, nil
+}