public void GivenStudyInstanceUid_WhenCreated_ThenCorrectIdentifierShouldBeCreated()
{
var identifier = ImagingStudyIdentifierUtility.CreateIdentifier("123");
Assert.NotNull(identifier);
Assert.Equal("urn:dicom:uid", identifier.System);
Assert.Equal("urn:oid:123", identifier.Value);
}
/// <inheritdoc/>
public async Task <FhirTransactionRequestEntry> BuildAsync(FhirTransactionContext context, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(context, nameof(context));
EnsureArg.IsNotNull(context.ChangeFeedEntry, nameof(context.ChangeFeedEntry));
EnsureArg.IsNotNull(context.Request, nameof(context.Request));
IResourceId patientId = context.Request.Patient.ResourceId;
ChangeFeedEntry changeFeedEntry = context.ChangeFeedEntry;
Identifier imagingStudyIdentifier = ImagingStudyIdentifierUtility.CreateIdentifier(changeFeedEntry.StudyInstanceUid);
ImagingStudy existingImagingStudy = await _fhirService.RetrieveImagingStudyAsync(imagingStudyIdentifier, cancellationToken);
ImagingStudy imagingStudy = (ImagingStudy)existingImagingStudy?.DeepCopy();
FhirTransactionRequestMode requestMode = FhirTransactionRequestMode.None;
if (existingImagingStudy == null)
{
imagingStudy = new ImagingStudy()
{
Status = ImagingStudy.ImagingStudyStatus.Available,
Subject = patientId.ToResourceReference(),
};
imagingStudy.Identifier.Add(imagingStudyIdentifier);
requestMode = FhirTransactionRequestMode.Create;
}
SynchronizeImagingStudyProperties(context, imagingStudy);
if (requestMode != FhirTransactionRequestMode.Create &&
!existingImagingStudy.IsExactly(imagingStudy))
{
requestMode = FhirTransactionRequestMode.Update;
}
Bundle.RequestComponent request = requestMode switch
{
FhirTransactionRequestMode.Create => ImagingStudyPipelineHelper.GenerateCreateRequest(imagingStudyIdentifier),
FhirTransactionRequestMode.Update => ImagingStudyPipelineHelper.GenerateUpdateRequest(imagingStudy),
_ => null,
};
IResourceId resourceId = requestMode switch
{
FhirTransactionRequestMode.Create => new ClientResourceId(),
_ => existingImagingStudy.ToServerResourceId(),
};
return(new FhirTransactionRequestEntry(
requestMode,
request,
resourceId,
imagingStudy));
}
/// <inheritdoc/>
public async Task <FhirTransactionRequestEntry> BuildAsync(FhirTransactionContext context, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(context, nameof(context));
EnsureArg.IsNotNull(context.ChangeFeedEntry, nameof(context.ChangeFeedEntry));
ChangeFeedEntry changeFeedEntry = context.ChangeFeedEntry;
Identifier imagingStudyIdentifier = ImagingStudyIdentifierUtility.CreateIdentifier(changeFeedEntry.StudyInstanceUid);
ImagingStudy imagingStudy = await _fhirService.RetrieveImagingStudyAsync(imagingStudyIdentifier, cancellationToken);
// Returns null if imagingStudy does not exists for given studyInstanceUid
if (imagingStudy == null)
{
return(null);
}
string imagingStudySource = imagingStudy.Meta.Source;
ImagingStudy.SeriesComponent series = ImagingStudyPipelineHelper.GetSeriesWithinAStudy(changeFeedEntry.SeriesInstanceUid, imagingStudy.Series);
ImagingStudy.InstanceComponent instance = ImagingStudyPipelineHelper.GetInstanceWithinASeries(changeFeedEntry.SopInstanceUid, series);
// Return null if the given instance is not present in ImagingStudy
if (instance == null)
{
return(null);
}
// Removes instance from series collection
series.Instance.Remove(instance);
// Removes series from ImagingStudy if its instance collection is empty
if (series.Instance.Count == 0)
{
imagingStudy.Series.Remove(series);
}
if (imagingStudy.Series.Count == 0 && _dicomWebEndpoint.Equals(imagingStudySource, System.StringComparison.Ordinal))
{
return(new FhirTransactionRequestEntry(
FhirTransactionRequestMode.Delete,
ImagingStudyPipelineHelper.GenerateDeleteRequest(imagingStudy),
imagingStudy.ToServerResourceId(),
imagingStudy));
}
return(new FhirTransactionRequestEntry(
FhirTransactionRequestMode.Update,
ImagingStudyPipelineHelper.GenerateUpdateRequest(imagingStudy),
imagingStudy.ToServerResourceId(),
imagingStudy));
}
public static ImagingStudy ValidateImagingStudyUpdate(string studyInstanceUid, string patientResourceId, FhirTransactionRequestEntry entry)
{
Identifier expectedIdentifier = ImagingStudyIdentifierUtility.CreateIdentifier(studyInstanceUid);
string expectedRequestUrl = $"ImagingStudy/{entry.Resource.Id}";
ValidateRequestEntryMinimumRequirementForWithChange(FhirTransactionRequestMode.Update, expectedRequestUrl, Bundle.HTTPVerb.PUT, actualEntry: entry);
ImagingStudy updatedImagingStudy = Assert.IsType <ImagingStudy>(entry.Resource);
Assert.Equal(ImagingStudy.ImagingStudyStatus.Available, updatedImagingStudy.Status);
ValidateResourceReference(patientResourceId, updatedImagingStudy.Subject);
Assert.Collection(
updatedImagingStudy.Identifier,
identifier => ValidateIdentifier("urn:dicom:uid", $"urn:oid:{studyInstanceUid}", identifier));
return(updatedImagingStudy);
}
public static ImagingStudy CreateNewImagingStudy(string studyInstanceUid, List <string> seriesInstanceUidList, List <string> sopInstanceUidList, string patientResourceId, string source = "defaultSouce")
{
// Create a new ImagingStudy
ImagingStudy study = new ImagingStudy
{
Id = "123",
Status = ImagingStudy.ImagingStudyStatus.Available,
Subject = new ResourceReference(patientResourceId),
Meta = new Meta()
{
VersionId = "1",
Source = source,
},
};
foreach (string seriesInstanceUid in seriesInstanceUidList)
{
ImagingStudy.SeriesComponent series = new ImagingStudy.SeriesComponent()
{
Uid = seriesInstanceUid,
};
foreach (string sopInstanceUid in sopInstanceUidList)
{
ImagingStudy.InstanceComponent instance = new ImagingStudy.InstanceComponent()
{
Uid = sopInstanceUid,
};
series.Instance.Add(instance);
}
study.Series.Add(series);
}
study.Identifier.Add(ImagingStudyIdentifierUtility.CreateIdentifier(studyInstanceUid));
return(study);
}
public static ImagingStudy ValidateImagingStudyUpdate(string studyInstanceUid, string patientResourceId, FhirTransactionRequestEntry entry, bool hasAccessionNumber = true)
{
Identifier expectedIdentifier = ImagingStudyIdentifierUtility.CreateIdentifier(studyInstanceUid);
string expectedRequestUrl = $"ImagingStudy/{entry.Resource.Id}";
ValidateRequestEntryMinimumRequirementForWithChange(FhirTransactionRequestMode.Update, expectedRequestUrl, Bundle.HTTPVerb.PUT, actualEntry: entry);
ImagingStudy updatedImagingStudy = Assert.IsType <ImagingStudy>(entry.Resource);
Assert.Equal(ImagingStudy.ImagingStudyStatus.Available, updatedImagingStudy.Status);
ValidateResourceReference(patientResourceId, updatedImagingStudy.Subject);
Action <Identifier> studyIdValidaion = identifier => ValidateIdentifier("urn:dicom:uid", $"urn:oid:{studyInstanceUid}", identifier);
Action <Identifier> accessionNumberValidation = identifier => ValidateAccessionNumber(null, FhirTransactionContextBuilder.DefaultAccessionNumber, identifier);
Assert.Collection(
updatedImagingStudy.Identifier,
hasAccessionNumber ? new[] { studyIdValidaion, accessionNumberValidation } : new[] { studyIdValidaion });
return(updatedImagingStudy);
}
