feat: 重构内容列表接口，使用过滤器结构体简化参数传递；更新相关服务和测试用例

backend/app/services/order.go

@@ -98,9 +98,9 @@ func (s *order) Create(ctx context.Context, form *transaction_dto.OrderCreateFor
 		Status:         consts.OrderStatusCreated,
 		Currency:       consts.Currency(price.Currency), // price.Currency is consts.Currency in DB? Yes.
 		AmountOriginal: price.PriceAmount,
-		AmountDiscount: 0, // Calculate discount if needed
-		AmountPaid:     price.PriceAmount, // Expected to pay
-		IdempotencyKey: uuid.NewString(), // Should be from client ideally
+		AmountDiscount: 0,                                          // Calculate discount if needed
+		AmountPaid:     price.PriceAmount,                          // Expected to pay
+		IdempotencyKey: uuid.NewString(),                           // Should be from client ideally
 		Snapshot:       types.NewJSONType(fields.OrdersSnapshot{}), // Populate details
 	}
 
@@ -159,7 +159,6 @@ func (s *order) payWithBalance(ctx context.Context, o *models.Order) (*transacti
 		info, err := tx.User.WithContext(ctx).
 			Where(tx.User.ID.Eq(o.UserID), tx.User.Balance.Gte(o.AmountPaid)).
 			Update(tx.User.Balance, gorm.Expr("balance - ?", o.AmountPaid))
-		
 		if err != nil {
 			return err
 		}
@@ -197,7 +196,7 @@ func (s *order) payWithBalance(ctx context.Context, o *models.Order) (*transacti
 		if err != nil {
 			return err
 		}
-		
+
 		ledger := &models.TenantLedger{
 			TenantID:       o.TenantID,
 			UserID:         t.UserID, // Owner
@@ -218,7 +217,6 @@ func (s *order) payWithBalance(ctx context.Context, o *models.Order) (*transacti
 
 		return nil
 	})
-
 	if err != nil {
 		if _, ok := err.(*errorx.AppError); ok {
 			return nil, err
@@ -243,4 +241,4 @@ func (s *order) toUserOrderDTO(o *models.Order) user_dto.Order {
 		Amount:     float64(o.AmountPaid) / 100.0,
 		CreateTime: o.CreatedAt.Format(time.RFC3339),
 	}
-}
+}