public override async Task FindStudiesAsync(FindStudiesRequest request, CancellationToken ct)
{
var studiesInDir = await WaitForStudiesInDirAsync(ct);
var query = studiesInDir.Values.AsQueryable();
var patientName = string.Empty;
if (!string.IsNullOrWhiteSpace(request.Family))
{
patientName += request.Family;
}
if (!string.IsNullOrWhiteSpace(request.FirstName))
{
if (string.IsNullOrWhiteSpace(patientName))
{
patientName += '*';
}
patientName += '^' + request.FirstName;
}
if (!string.IsNullOrWhiteSpace(patientName))
{
query = query.Where(s => Where(s.PatientName, patientName, StringComparison.InvariantCultureIgnoreCase));
}
if (!string.IsNullOrWhiteSpace(request.PatientId))
{
query = query.Where(s => Where(s.PatientId, request.PatientId, StringComparison.Ordinal));
}
if (!string.IsNullOrWhiteSpace(request.Description))
{
query = query.Where(s => Where(s.StudyDescription, request.Description, StringComparison.InvariantCultureIgnoreCase));
}
if (request.From.HasValue || request.To.HasValue)
{
var from = request.From.GetValueOrDefault(DateTime.MinValue);
var to = request.To.GetValueOrDefault(DateTime.MaxValue);
query = query.Where(s => s.StudyDate.HasValue && s.StudyDate >= from && s.StudyDate <= to);
}
Parallel.ForEach(query, study => request.RaiseStudyFound(study));
}
public abstract Task FindStudiesAsync(FindStudiesRequest request, CancellationToken ct);
public override async Task FindStudiesAsync(FindStudiesRequest request, CancellationToken ct)
{
var query = DicomCFindRequest.CreateStudyQuery();
var patientName = string.Empty;
if (!string.IsNullOrWhiteSpace(request.Family))
{
patientName += request.Family;
}
if (!string.IsNullOrWhiteSpace(request.FirstName))
{
if (string.IsNullOrWhiteSpace(patientName))
{
patientName += '*';
}
patientName += '^' + request.FirstName;
}
if (!string.IsNullOrWhiteSpace(patientName))
{
query.Dataset.AddOrUpdate(DicomTag.PatientName, patientName);
}
if (!string.IsNullOrWhiteSpace(request.PatientId))
{
query.Dataset.AddOrUpdate(DicomTag.PatientID, request.PatientId);
}
if (!string.IsNullOrWhiteSpace(request.Description))
{
query.Dataset.AddOrUpdate(DicomTag.StudyDescription, request.Description);
}
if (request.From.HasValue || request.To.HasValue)
{
var from = request.From.GetValueOrDefault(DateTime.MinValue);
var to = request.To.GetValueOrDefault(DateTime.MaxValue);
query.Dataset.AddOrUpdate(DicomTag.StudyDate, new DicomDateRange(from, to));
}
query.Dataset.AddOrUpdate(DicomTag.StudyID, string.Empty);
query.OnResponseReceived += (req, resp) =>
{
if (!ct.IsCancellationRequested && resp.Dataset != null)
{
var study = resp.Dataset.CreateObject <Study>();
if (study == null)
{
_logger.Error("Study creation failed");
}
else
{
request.RaiseStudyFound(study);
}
}
};
await FindAsync <Study>(query, _settings, _findStudiesSemaphore, ct);
}
