public static IEnumerable <(string ChannelId, DicomFolderContents Content)> DecompressSegmentationData(Stream inputStream)
{
var files = DicomCompressionHelpers.DecompressPayload(inputStream);
var dictionaryChannelToFiles = new Dictionary <string, List <byte[]> >();
foreach ((string filename, byte[] data) in files)
{
var channelId = filename.Split(DicomCompressionHelpers.ChannelIdAndDicomSeriesSeparator).First();
if (!dictionaryChannelToFiles.ContainsKey(channelId))
{
dictionaryChannelToFiles.Add(channelId, new List <byte[]>());
}
dictionaryChannelToFiles[channelId].Add(data);
}
var result = new List <(string ChannelId, DicomFolderContents content)>();
foreach (var item in dictionaryChannelToFiles)
{
var fileAndPaths = item.Value
.Select(x => DicomFileAndPath.SafeCreate(new MemoryStream(x), string.Empty))
.ToList();
result.Add((item.Key, DicomFolderContents.Build(fileAndPaths)));
}
return(result);
}
/// <inheritdoc />
public async Task <(string segmentationId, IEnumerable <DicomFile> postedImages)> StartSegmentationAsync(
string modelId,
IEnumerable <ChannelData> channelIdsAndDicomFiles)
{
if (channelIdsAndDicomFiles == null)
{
throw new ArgumentNullException(nameof(channelIdsAndDicomFiles), "dicomFiles is null.");
}
if (channelIdsAndDicomFiles.Any(x => !x.DicomFiles.Any()))
{
throw new ArgumentException("No dicomFiles in some channelId", nameof(channelIdsAndDicomFiles));
}
// Anonymise data
var anonymisedDicomData = channelIdsAndDicomFiles.Select(x => new ChannelData(x.ChannelID, AnonymizeDicomFiles(x.DicomFiles, SegmentationAnonymisationProtocolId, SegmentationAnonymisationProtocol)));
// Compress anonymised data
var dataZipped = DicomCompressionHelpers.CompressDicomFiles(
channels: anonymisedDicomData,
compressionLevel: DicomCompressionHelpers.DefaultCompressionLevel);
using (var content = new ByteArrayContent(dataZipped))
{
// POST
var response = await _client.PostAsync(new Uri($@"/v1/model/start/{modelId}", UriKind.Relative), content).ConfigureAwait(false);
if (response.StatusCode.Equals(HttpStatusCode.BadRequest))
{
throw new ArgumentException(response.ReasonPhrase);
}
if (!response.IsSuccessStatusCode)
{
throw new SegmentationClientException(response.ReasonPhrase);
}
var segmentationId = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
Trace.TraceInformation($"Segmentation uploaded with id={segmentationId}");
var flatAnonymizedDicomFiles = anonymisedDicomData.SelectMany(x => x.DicomFiles);
return(segmentationId, flatAnonymizedDicomFiles);
}
}
