CAESGenome.Services.PhredService.SaveFiles C# (CSharp) Метод

        public string SaveFiles(byte[] contents, string filename, out int fileId)
        {
            fileId = 0;

            var barcodeId = -1;
            var row = 'A';
            var col = -1;

            ParseFileName(filename, out barcodeId, out row, out col);

            // invalid filename
            if (barcodeId == -1)
            {
                return FileUploadErrorKeys.InvalidFileName;
            }

            // load up the barcode, from db
            var barcode = _repositoryFactory.BarcodeRepository.GetNullableById(barcodeId);

            if (barcode == null)
            {
                return FileUploadErrorKeys.InvalidBarcode;
            }

            // check db for existing file
            var existingFile = _repositoryFactory.BarcodeFileRepository.Queryable.FirstOrDefault(a => a.Barcode == barcode && a.WellColumn == col && a.WellRow == row);

            // check the file system
            if (File.Exists(string.Format(@"{0}\raw\{1}\{2}", _storageLocation, barcodeId, filename)) || existingFile != null)
            {
                return FileUploadErrorKeys.DuplicateFile;
            }

            if (WriteFile(filename, contents, string.Format(@"{0}\raw\{1}", _storageLocation, barcodeId)))
            {
                var bfile = new BarcodeFile()
                {
                    Barcode = barcode,
                    WellColumn = col,
                    WellRow = row,
                    Uploaded = true
                };

                _repositoryFactory.BarcodeFileRepository.EnsurePersistent(bfile);

                fileId = bfile.Id;

                return string.Empty;
            }

            return FileUploadErrorKeys.WriteError;
        }