private static async System.Threading.Tasks.Task <Resource> UploadResourceAsync(Resource resource, FhirClient client, bool retry = true)
{
await semaphore.WaitAsync();
try
{
return(await client.UpdateAsync(resource));
}
catch (FhirOperationException fhirEx)
{
if (fhirEx.Status == System.Net.HttpStatusCode.TooManyRequests && retry == true)
{
// Take a break and try again
Thread.Sleep(200);
return(await UploadResourceAsync(resource, client, false));
}
else
{
Console.WriteLine($"Error uploading resource to FHIR server: {fhirEx.Message}");
return(null);
}
}
catch (Exception ex)
{
Console.WriteLine($"Error uploading resource to FHIR server: {ex.Message}");
return(null);
}
finally
{
semaphore.Release();
}
}
public async Task UpdateDelete_UsingResourceIdentity_ResultReturned()
{
var client = new FhirClient(_endpoint)
{
PreferredFormat = ResourceFormat.Json,
ReturnFullResource = true
};
var pat = new Patient()
{
Name = new List <HumanName>()
{
new HumanName()
{
Given = new List <string>()
{
"test_given"
},
Family = new List <string>()
{
"test_family"
},
}
},
Id = "async-test-patient"
};
// Create the patient
Console.WriteLine("Creating patient...");
Patient p = await client.UpdateAsync <Patient>(pat);
Assert.IsNotNull(p);
// Refresh the patient
Console.WriteLine("Refreshing patient...");
await client.RefreshAsync(p);
// Delete the patient
Console.WriteLine("Deleting patient...");
await client.DeleteAsync(p);
Console.WriteLine("Reading patient...");
Func <Task> act = async() =>
{
await client.ReadAsync <Patient>(new ResourceIdentity("/Patient/async-test-patient"));
};
// VERIFY //
Assert.ThrowsException <FhirOperationException>(act, "the patient is no longer on the server");
Console.WriteLine("Test Completed");
}
/// <summary>
/// Ensures a patient and device resource exists and returns the relevant internal ids.
/// </summary>
/// <param name="input">IMeasurementGroup to retrieve device and patient identifiers from.</param>
/// <returns>Internal reference id to the patient and device resources found or created.</returns>
/// <exception cref="PatientIdentityNotDefinedException">Thrown when a unique patient identifier isn't found in the provided input.</exception>
/// <exception cref="PatientDeviceMismatchException">Thrown when expected patient internal id of the device doesn't match the actual patient internal id.</exception>
protected async virtual Task <(string DeviceId, string PatientId)> EnsureDeviceAndPatientExistsAsync(IMeasurementGroup input)
{
EnsureArg.IsNotNull(input, nameof(input));
// Verify one unique patient identity is present in the measurement group
if (string.IsNullOrWhiteSpace(input.PatientId))
{
throw new ResourceIdentityNotDefinedException(ResourceType.Patient);
}
// Begin critical section
var patient = await ResourceManagementService.EnsureResourceByIdentityAsync <Model.Patient>(
FhirClient,
input.PatientId,
null,
(p, id) => p.Identifier = new List <Model.Identifier> {
id
})
.ConfigureAwait(false);
var device = await ResourceManagementService.EnsureResourceByIdentityAsync <Model.Device>(
FhirClient,
GetDeviceIdentity(input),
ResourceIdentityOptions?.DefaultDeviceIdentifierSystem,
(d, id) =>
{
d.Identifier = new List <Model.Identifier> {
id
};
d.Patient = patient.ToReference();
})
.ConfigureAwait(false);
patient.ToReference();
if (device.Patient == null)
{
device.Patient = patient.ToReference();
device = await FhirClient.UpdateAsync <Model.Device>(device, true).ConfigureAwait(false);
}
else if (device.Patient.GetId <Model.Patient>() != patient.Id)
{
// Device is linked to a different patient. Current behavior is undefined, throw an exception.
throw new PatientDeviceMismatchException();
}
// End critical section
return(device.Id, patient.Id);
}
public virtual async Task <string> SaveObservationAsync(ILookupTemplate <IFhirTemplate> config, IObservationGroup observationGroup, IDictionary <ResourceType, string> ids)
{
var identifier = GenerateObservationIdentifier(observationGroup, ids);
var cacheKey = $"{identifier.System}|{identifier.Value}";
if (!_observationCache.TryGetValue(cacheKey, out Model.Observation existingObservation))
{
existingObservation = await GetObservationFromServerAsync(identifier).ConfigureAwait(false);
}
Model.Observation result;
if (existingObservation == null)
{
var newObservation = GenerateObservation(config, observationGroup, identifier, ids);
result = await _client.CreateAsync(newObservation).ConfigureAwait(false);
_logger.LogMetric(IomtMetrics.FhirResourceSaved(ResourceType.Observation, ResourceOperation.Created), 1);
}
else
{
var policyResult = await Policy <Model.Observation>
.Handle <FhirOperationException>(ex => ex.Status == System.Net.HttpStatusCode.Conflict || ex.Status == System.Net.HttpStatusCode.PreconditionFailed)
.RetryAsync(2, async(polyRes, attempt) =>
{
existingObservation = await GetObservationFromServerAsync(identifier).ConfigureAwait(false);
})
.ExecuteAndCaptureAsync(async() =>
{
var mergedObservation = MergeObservation(config, existingObservation, observationGroup);
return(await _client.UpdateAsync(mergedObservation, versionAware: true).ConfigureAwait(false));
}).ConfigureAwait(false);
var exception = policyResult.FinalException;
if (exception != null)
{
throw exception;
}
result = policyResult.Result;
_logger.LogMetric(IomtMetrics.FhirResourceSaved(ResourceType.Observation, ResourceOperation.Updated), 1);
}
_observationCache.CreateEntry(cacheKey)
.SetAbsoluteExpiration(DateTimeOffset.UtcNow.AddHours(1))
.SetSize(1)
.SetValue(result)
.Dispose();
return(result.Id);
}
public void PatientCreationUpdateDeletion()
{
Patient patient = null !;
"When creating a patient resource".x(
async() => patient = await _client.CreateAsync(
new Patient
{
Active = true,
Name =
{
new HumanName
{
Family = "Tester", Given = new[]{ "Anne" }, Use = HumanName.NameUse.Usual
}
}
}).ConfigureAwait(false));
"Then patient has id".x(() => Assert.NotNull(patient.Id));
"And patient can be updated".x(
async() =>
{
patient.BirthDateElement = new Date(1970, 1, 1);
patient = await _client.UpdateAsync(patient).ConfigureAwait(false);
Assert.NotNull(patient.BirthDate);
});
"and can be found when searched".x(
async() =>
{
var p = await _client.SearchByIdAsync <Patient>(patient.Id).ConfigureAwait(false);
Assert.NotEmpty(p.GetResources());
});
"When patient can be deleted".x(
async() =>
{
await _client.DeleteAsync(patient).ConfigureAwait(false);
});
"Then cannot be found".x(
async() =>
{
var p = await _client.SearchByIdAsync <Patient>(patient.Id).ConfigureAwait(false);
Assert.Empty(p.GetResources());
});
}
public async Task <OrganizationCreationResponse> UpdateAsync(Guid id, OrganizationForCreation org)
{
var Result = new OrganizationCreationResponse {
Data = new NewOrganization()
};
Organization organization = await GetOrganizationFromFHIRAsync(id.ToString()).ConfigureAwait(false);
organization.Name = org.name;
organization.Address = GetFHIROrgAddresses(org);
organization.Telecom = GetFHIROrgTelecoms(org);
organization.Type = GetFHIROrgType(org);
Organization FHIROrganization = await _client.UpdateAsync(organization).ConfigureAwait(false);
Result.Data.OrganizationId = FHIROrganization.Id;//48fc2852-f0c3-4e94-af17-2bf57917eeb9
return(Result);
}
public void CreateEditDeleteAsync()
{
var furore = new Organization
{
Name = "Furore",
Identifier = new List<Identifier> { new Identifier("http://hl7.org/test/1", "3141") },
Telecom = new List<Contact> { new Contact { System = Contact.ContactSystem.Phone, Value = "+31-20-3467171" } }
};
FhirClient client = new FhirClient(testEndpoint);
var tags = new List<Tag> { new Tag("http://nu.nl/testname", Tag.FHIRTAGSCHEME_GENERAL, "TestCreateEditDelete") };
var fe = client.CreateAsync<Organization>(furore, tags: tags, refresh: true).Result;
Assert.IsNotNull(furore);
Assert.IsNotNull(fe);
Assert.IsNotNull(fe.Id);
Assert.IsNotNull(fe.SelfLink);
Assert.AreNotEqual(fe.Id, fe.SelfLink);
Assert.IsNotNull(fe.Tags);
Assert.AreEqual(1, fe.Tags.Count(), "Tag count on new organization record don't match");
Assert.AreEqual(fe.Tags.First(), tags[0]);
createdTestOrganizationUrl = fe.Id;
fe.Resource.Identifier.Add(new Identifier("http://hl7.org/test/2", "3141592"));
var fe2 = client.UpdateAsync(fe, refresh: true).Result;
Assert.IsNotNull(fe2);
Assert.AreEqual(fe.Id, fe2.Id);
Assert.AreNotEqual(fe.SelfLink, fe2.SelfLink);
Assert.AreEqual(2, fe2.Resource.Identifier.Count);
Assert.IsNotNull(fe2.Tags);
Assert.AreEqual(1, fe2.Tags.Count(), "Tag count on updated organization record don't match");
Assert.AreEqual(fe2.Tags.First(), tags[0]);
fe.Resource.Identifier.Add(new Identifier("http://hl7.org/test/3", "3141592"));
var fe3 = client.UpdateAsync(fe2.Id, fe.Resource, refresh: true).Result;
Assert.IsNotNull(fe3);
Assert.AreEqual(3, fe3.Resource.Identifier.Count);
client.DeleteAsync(fe3).Wait();
try
{
// Get most recent version
fe = client.ReadAsync<Organization>(new ResourceIdentity(fe.Id)).Result;
Assert.Fail();
}
catch
{
Assert.IsTrue(client.LastResponseDetails.Result == HttpStatusCode.Gone);
}
}
public void CreateEditDeleteAsync()
{
var furore = new Organization
{
Name = "Furore",
Identifier = new List <Identifier> {
new Identifier("http://hl7.org/test/1", "3141")
},
Telecom = new List <Contact> {
new Contact {
System = Contact.ContactSystem.Phone, Value = "+31-20-3467171"
}
}
};
FhirClient client = new FhirClient(testEndpoint);
var tags = new List <Tag> {
new Tag("http://nu.nl/testname", Tag.FHIRTAGSCHEME_GENERAL, "TestCreateEditDelete")
};
var fe = client.CreateAsync <Organization>(furore, tags: tags, refresh: true).Result;
Assert.IsNotNull(furore);
Assert.IsNotNull(fe);
Assert.IsNotNull(fe.Id);
Assert.IsNotNull(fe.SelfLink);
Assert.AreNotEqual(fe.Id, fe.SelfLink);
Assert.IsNotNull(fe.Tags);
Assert.AreEqual(1, fe.Tags.Count(), "Tag count on new organization record don't match");
Assert.AreEqual(fe.Tags.First(), tags[0]);
createdTestOrganizationUrl = fe.Id;
fe.Resource.Identifier.Add(new Identifier("http://hl7.org/test/2", "3141592"));
var fe2 = client.UpdateAsync(fe, refresh: true).Result;
Assert.IsNotNull(fe2);
Assert.AreEqual(fe.Id, fe2.Id);
Assert.AreNotEqual(fe.SelfLink, fe2.SelfLink);
Assert.AreEqual(2, fe2.Resource.Identifier.Count);
Assert.IsNotNull(fe2.Tags);
Assert.AreEqual(1, fe2.Tags.Count(), "Tag count on updated organization record don't match");
Assert.AreEqual(fe2.Tags.First(), tags[0]);
fe.Resource.Identifier.Add(new Identifier("http://hl7.org/test/3", "3141592"));
var fe3 = client.UpdateAsync(fe2.Id, fe.Resource, refresh: true).Result;
Assert.IsNotNull(fe3);
Assert.AreEqual(3, fe3.Resource.Identifier.Count);
client.DeleteAsync(fe3).Wait();
try
{
// Get most recent version
fe = client.ReadAsync <Organization>(new ResourceIdentity(fe.Id)).Result;
Assert.Fail();
}
catch
{
Assert.IsTrue(client.LastResponseDetails.Result == HttpStatusCode.Gone);
}
}
/// <summary>
/// Update existing Patient
/// </summary>
/// <param name="patientDto"></param>
/// <returns>Updated Patient</returns>
public async Task <Patient> UpdatePatientAsync(PatientDto patientDto)
{
Patient result = null;
var patient = await SearchByIdentifierAsync(patientDto.Identifier).ConfigureAwait(false);
if (patient != null)
{
patient.Gender = patientDto.Gender.ToUpper().Equals("MALE") ? AdministrativeGender.Male :
patientDto.Gender.ToUpper().Equals("FEMALE") ? AdministrativeGender.Female :
AdministrativeGender.Unknown;
patient.Name = new List <HumanName>
{
new()
{
Prefix = new[] {
patientDto.Prefix
},
Family = patientDto.LastName,
Given = new[] {
patientDto.FirstName
},
Use = HumanName.NameUse.Official
}
};
patient.BirthDate = patientDto.BirthDate;
patient.Address = new List <Address>()
{
new()
{
City = patientDto.Address.City,
Country = patientDto.Address.Country,
PostalCode = patientDto.Address.PostalCode,
Line = new[] { $"{patientDto.Address.StreetName} {patientDto.Address.StreetNo} {patientDto.Address.AppartmentNo}" },
Type = patientDto.Address.Type.ToUpper().Equals("BOTH") ? Address.AddressType.Both :
patientDto.Address.Type.ToUpper().Equals("PHYSICAL") ? Address.AddressType.Physical :
Address.AddressType.Postal
}
};
// BirthPlace
var birthPlaceExtension = patient.Extension.FirstOrDefault(ext => ext.Url.EndsWith("patient-birthPlace"));
if (birthPlaceExtension != null)
{
((Address)birthPlaceExtension.Value).City = patientDto.BirthPlace;
}
// Citizenship
var citizenship = _citizenshipService.GetCitizenship(patientDto.CitizenshipCode);
if (citizenship != null)
{
var citizenshipExtension = patient.Extension.FirstOrDefault(ext => ext.Url.EndsWith("patient-citizenship"));
var codeExt = (citizenshipExtension?.Extension)?.FirstOrDefault(ext => ext.Url.Equals("code"));
var citizenshipConcept = (CodeableConcept)codeExt?.Value;
if (citizenshipConcept != null)
{
if (citizenshipConcept.Coding.Any())
{
citizenshipConcept.Coding.FirstOrDefault().Display = citizenship.Explanation;
citizenshipConcept.Coding.FirstOrDefault().Code = citizenship.Code;
}
}
}
// Before updating the patient to the server, let's validate it first
var success = ValidatePatient(patient);
if (success)
{
result = await _fhirClient.UpdateAsync(patient).ConfigureAwait(false);
}
}
return(result);
}
