public async ValueTask <RequestResult <List <WarehouseTotalCost> > > GetTotalCostByWarehouse() { var result = new RequestResult <List <WarehouseTotalCost> >(); try { result.RequestData = await _orderStorage.GetTotalCostByWarehouse(); result.IsOk = true; } catch (Exception ex) { result.ExMessage = ex.Message; } return(result); }