修复缓存

internal/logic/public/order/purchaseLogic.go

@@ -270,6 +270,23 @@ func (l *PurchaseLogic) Purchase(req *types.PurchaseOrderRequest) (resp *types.P
 			}
 		}
 
+		// check new user only restriction inside transaction to prevent race condition
+		if orderInfo.Type == 1 && sub.NewUserOnly != nil && *sub.NewUserOnly {
+			if time.Since(u.CreatedAt) > 24*time.Hour {
+				return errors.Wrapf(xerr.NewErrCode(xerr.SubscribeNewUserOnly), "not a new user")
+			}
+			var historyCount int64
+			if e := db.Model(&order.Order{}).
+				Where("user_id = ? AND subscribe_id = ? AND type = 1 AND status IN ?",
+					u.Id, targetSubscribeID, []int{2, 5}).
+				Count(&historyCount).Error; e != nil {
+				return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "check new user purchase history error: %v", e.Error())
+			}
+			if historyCount >= 1 {
+				return errors.Wrapf(xerr.NewErrCode(xerr.SubscribeNewUserOnly), "already purchased new user plan")
+			}
+		}
+
 		// update user gift amount and create deduction record
 		if orderInfo.GiftAmount > 0 {
 			// deduct gift amount from user
@@ -319,7 +336,11 @@ func (l *PurchaseLogic) Purchase(req *types.PurchaseOrderRequest) (resp *types.P
 	})
 	if err != nil {
 		l.Errorw("[Purchase] Database insert error", logger.Field("error", err.Error()), logger.Field("orderInfo", orderInfo))
-
+		// Propagate business errors (e.g. SubscribeNewUserOnly, SubscribeQuotaLimit) directly.
+		var codeErr *xerr.CodeError
+		if errors.As(err, &codeErr) {
+			return nil, err
+		}
 		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "insert order error: %v", err.Error())
 	}
 	// Deferred task