BLL.Computer.GetDistributionPoint C# (CSharp) Метод

        public static Models.DistributionPoint GetDistributionPoint(Models.Computer computer)
        {
            Models.DistributionPoint dp = null;

            if (computer.RoomId != -1)
            {
                var room = BLL.Room.GetRoom(computer.RoomId);
                if(room != null)
                dp =
                    DistributionPoint.GetDistributionPoint(room.DistributionPointId);
            }
            else if (computer.BuildingId != -1)
            {
                var building = BLL.Building.GetBuilding(computer.BuildingId);
                if (building != null)
                dp =
                    DistributionPoint.GetDistributionPoint(building.DistributionPointId);
            }
            else if (computer.SiteId != -1)
            {
                var site = BLL.Site.GetSite(computer.SiteId);
                if (site != null)
                dp =
                    DistributionPoint.GetDistributionPoint(site.DistributionPointId);
            }

            if(dp == null)
                dp = DistributionPoint.GetPrimaryDistributionPoint();

            return dp;
        }