public int AddOneMonitor(int cellId, byte sectorId)
        {
            var cell = _cellRepository.GetBySectorId(cellId, sectorId);

            if (cell == null)
            {
                return(0);
            }
            var item = _repository.GetTopPreciseMonitor(cell.Id);

            if (item != null)
            {
                return(0);
            }
            _repository.Insert(new InfrastructureInfo
            {
                InfrastructureId = cell.Id,
                HotspotType      = HotspotType.TopPrecise
            });
            return(_repository.SaveChanges());
        }