public static void ValidateRequestEntryMinimumRequirementForWithChange(
FhirTransactionRequestMode expectedRequestMode,
string path,
Bundle.HTTPVerb?expectedMethod,
FhirTransactionRequestEntry actualEntry)
{
// For request entry with no change, use the method below.
Assert.NotEqual(FhirTransactionRequestMode.None, expectedRequestMode);
Assert.NotNull(actualEntry);
Assert.Equal(expectedRequestMode, actualEntry.RequestMode);
if (expectedRequestMode == FhirTransactionRequestMode.Create)
{
// If the request mode is create, then it should be client generated resource id.
Assert.IsType <ClientResourceId>(actualEntry.ResourceId);
}
else if (expectedRequestMode == FhirTransactionRequestMode.Update)
{
// Otherwise, it should be server generated resource id.
ServerResourceId serverResourceId = Assert.IsType <ServerResourceId>(actualEntry.ResourceId);
Assert.Equal(path, serverResourceId.ToString());
}
Assert.NotNull(actualEntry.Request);
Assert.Equal(expectedMethod, actualEntry.Request.Method);
Assert.Equal(path, actualEntry.Request.Url);
if (expectedMethod != Bundle.HTTPVerb.DELETE)
{
Assert.NotNull(actualEntry.Resource);
}
}
/// <inheritdoc/>
public async Task PrepareRequestAsync(FhirTransactionContext context, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(context, nameof(context));
DicomDataset dataset = context.ChangeFeedEntry.Metadata;
if (dataset == null)
{
return;
}
if (!dataset.TryGetSingleValue(DicomTag.PatientID, out string patientId))
{
throw new MissingRequiredDicomTagException(nameof(DicomTag.PatientID));
}
var patientIdentifier = new Identifier(string.Empty, patientId);
FhirTransactionRequestMode requestMode = FhirTransactionRequestMode.None;
Patient existingPatient = await _fhirService.RetrievePatientAsync(patientIdentifier, cancellationToken);
Patient patient = (Patient)existingPatient?.DeepCopy();
if (existingPatient == null)
{
patient = new Patient();
patient.Identifier.Add(patientIdentifier);
requestMode = FhirTransactionRequestMode.Create;
}
_patientSynchronizer.Synchronize(dataset, patient);
if (requestMode == FhirTransactionRequestMode.None &&
!existingPatient.IsExactly(patient))
{
requestMode = FhirTransactionRequestMode.Update;
}
Bundle.RequestComponent request = requestMode switch
{
FhirTransactionRequestMode.Create => GenerateCreateRequest(patientIdentifier),
FhirTransactionRequestMode.Update => GenerateUpdateRequest(patient),
_ => null
};
IResourceId resourceId = requestMode switch
{
FhirTransactionRequestMode.Create => new ClientResourceId(),
_ => existingPatient.ToServerResourceId(),
};
context.Request.Patient = new FhirTransactionRequestEntry(
requestMode,
request,
resourceId,
patient);
}
/// <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));
}
public FhirTransactionRequestEntry(
FhirTransactionRequestMode requestMode,
Bundle.RequestComponent request,
IResourceId resourceId,
Resource resource)
{
EnsureArg.EnumIsDefined(requestMode, nameof(requestMode));
RequestMode = requestMode;
Request = request;
ResourceId = resourceId;
Resource = resource;
}
public async Task GivenAResourceToProcess_WhenProcessed_ThenTransactionShouldBeExecuted(FhirTransactionRequestMode requestMode)
{
// Setup the pipeline step to simulate creating/updating patient.
var patientRequest = new FhirTransactionRequestEntry(
requestMode,
new Bundle.RequestComponent(),
new ClientResourceId(),
new Patient());
var pipelineStep = new MockFhirTransactionPipelineStep()
{
OnPrepareRequestAsyncCalled = (context, cancellationToken) =>
{
context.Request.Patient = patientRequest;
Assert.Equal(DefaultCancellationToken, cancellationToken);
},
};
_fhirTransactionPipelineSteps.Add(pipelineStep);
// Setup the transaction executor to return response.
var responseBundle = new Bundle();
var responseEntry = new Bundle.EntryComponent()
{
Response = new Bundle.ResponseComponent(),
Resource = new Patient(),
};
responseBundle.Entry.Add(responseEntry);
_fhirTransactionExecutor.ExecuteTransactionAsync(
Arg.Any <Bundle>(),
DefaultCancellationToken)
.Returns(call =>
{
// Make sure the request bundle is correct.
Bundle requestBundle = call.ArgAt <Bundle>(0);
Assert.NotNull(requestBundle);
Assert.Equal(Bundle.BundleType.Transaction, requestBundle.Type);
Assert.Collection(
requestBundle.Entry,
entry =>
{
Assert.Equal(patientRequest.ResourceId.ToString(), entry.FullUrl);
Assert.Equal(patientRequest.Request, entry.Request);
Assert.Equal(patientRequest.Resource, entry.Resource);
});
return(responseBundle);
});
// Process
await _fhirTransactionPipeline.ProcessAsync(ChangeFeedGenerator.Generate(), DefaultCancellationToken);
// The response should have been processed.
Assert.NotNull(_capturedFhirTransactionContext);
FhirTransactionResponseEntry patientResponse = _capturedFhirTransactionContext.Response.Patient;
Assert.NotNull(patientResponse);
Assert.Equal(responseEntry.Response, patientResponse.Response);
Assert.Equal(responseEntry.Resource, patientResponse.Resource);
}
public async Task PrepareRequestAsync(FhirTransactionContext context, CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(context, nameof(context));
string queryParameter = $"name={FhirTransactionConstants.EndpointName}&connection-type={FhirTransactionConstants.EndpointConnectionTypeSystem}|{FhirTransactionConstants.EndpointConnectionTypeCode}";
Endpoint endpoint = await _fhirService.RetrieveEndpointAsync(queryParameter, cancellationToken);
FhirTransactionRequestMode requestMode = FhirTransactionRequestMode.None;
if (endpoint == null)
{
endpoint = new Endpoint()
{
Name = FhirTransactionConstants.EndpointName,
Status = Endpoint.EndpointStatus.Active,
ConnectionType = new Coding()
{
System = FhirTransactionConstants.EndpointConnectionTypeSystem,
Code = FhirTransactionConstants.EndpointConnectionTypeCode,
},
Address = _dicomWebEndpoint,
PayloadType = new List <CodeableConcept>
{
new CodeableConcept(string.Empty, string.Empty, FhirTransactionConstants.EndpointPayloadTypeText),
},
PayloadMimeType = new string[]
{
FhirTransactionConstants.DicomMimeType,
},
};
requestMode = FhirTransactionRequestMode.Create;
}
else
{
// Make sure the address matches.
if (!string.Equals(endpoint.Address, _dicomWebEndpoint, StringComparison.Ordinal))
{
// We have found an endpoint with matching name and connection-type but the address does not match.
throw new FhirResourceValidationException(DicomCastCoreResource.MismatchEndpointAddress);
}
}
Bundle.RequestComponent request = requestMode switch
{
FhirTransactionRequestMode.Create => new Bundle.RequestComponent()
{
Method = Bundle.HTTPVerb.POST,
IfNoneExist = queryParameter,
Url = ResourceType.Endpoint.GetLiteral(),
},
_ => null,
};
IResourceId resourceId = requestMode switch
{
FhirTransactionRequestMode.Create => new ClientResourceId(),
_ => endpoint.ToServerResourceId(),
};
context.Request.Endpoint = new FhirTransactionRequestEntry(
requestMode,
request,
resourceId,
endpoint);
}
