public PartialViewResult ShowBrigadeInventory(int brigadeNumber, DateTime date)
        {
            ViewBag.brigadeNumber = brigadeNumber;
            var inventoryList = _inventoryProvider.GetInventoryByBrigadeNumber(brigadeNumber, date);

            if (inventoryList != null)
            {
                return(PartialView(ToInventoryViewModel(inventoryList)));
            }
            else
            {
                return(null);
            }
        }