public IEnumerable<Patient> GetPatientsByName(string firstName, string lastName)
{
var searchParameters = new SearchParams();
searchParameters.Add("Given", firstName);
searchParameters.Add("Family", lastName);
var matches = new List<Patient>();
var result = _client.Search(searchParameters, ResourceType.Patient.ToString());
return result.Entry.Select(x => (Patient) x.Resource);
}
public static Hl7.Fhir.Rest.SearchParams ToSearchParams(this Hl7.Fhir.Model.Identifier identifier)
{
var searchParams = new Hl7.Fhir.Rest.SearchParams();
searchParams.Add(SearchParam.Identifier.ToString(), identifier.ToSearchToken());
return(searchParams);
}
public static Hl7.Fhir.Rest.SearchParams MatchOnAnyIdentifier(this Hl7.Fhir.Rest.SearchParams searchParams, IEnumerable <Hl7.Fhir.Model.Identifier> identifiers)
{
searchParams.Add(SearchParam.Identifier.ToString(), identifiers
.Select(id => id.ToSearchToken())
.CompositeOr());
return(searchParams);
}
public static Hl7.Fhir.Rest.SearchParams ForSubject <TResource>(this Hl7.Fhir.Rest.SearchParams searchParams, string subjectValue)
where TResource : Hl7.Fhir.Model.Resource
{
EnsureArg.IsNotNull(searchParams, nameof(searchParams));
searchParams.Add(SearchParam.Subject.ToString(), $@"{typeof(TResource).Name}/{subjectValue}");
return(searchParams);
}
public IEnumerable<AllergyIntolerance> GetAllergiesByName(string text)
{
var searchParameters = new SearchParams();
searchParameters.Add("name", text);
var result = _client.Search(searchParameters, ResourceType.AllergyIntolerance.ToString());
return result.Entry.Select(s => (AllergyIntolerance)s.Resource);
}
public IEnumerable<Observation> GetObservationsByName(string text)
{
var searchParameters = new SearchParams();
searchParameters.Add("name", text);
var results = _client.Search(searchParameters, ResourceType.Observation.ToString());
return results.Entry.Select(s => (Observation)s.Resource);
}
IEnumerable<Medication> GetMedicationsByName(string name)
{
var searchParameters = new SearchParams();
searchParameters.Add("name", name);
var result = _client.Search(searchParameters, ResourceType.Medication.ToString());
return result.Entry.Select(s => (Medication)s.Resource);
}
public static Hl7.Fhir.Rest.SearchParams MatchOnAllIdentifiers(this IEnumerable <Hl7.Fhir.Model.Identifier> identifiers)
{
var searchParams = new Hl7.Fhir.Rest.SearchParams();
searchParams.Add(SearchParam.Identifier.ToString(), identifiers
.Select(id => id.ToSearchToken())
.CompositeAnd());
return(searchParams);
}
private void FetchPatients()
{
FhirClient fhirClient = new FhirClient("https://fhir-open.sandboxcernerpowerchart.com/dstu2/d075cf8b-3261-481d-97e5-ba6c48d3b41f");
fhirClient.PreferredFormat = ResourceFormat.Json;
fhirClient.UseFormatParam = true;
try
{
EditText patientNameField = FindViewById<EditText>(Resource.Id.PatientNameField);
string patientName = patientNameField.Text;
SearchParams searchParams = new SearchParams();
searchParams.Add("name", patientName);
searchParams.Add("_count", "50");
Hl7.Fhir.Model.Bundle patients = fhirClient.Search<Patient>(searchParams);
Log.Info(TAG, "Retrieved patients: " + patients.Total);
RunOnUiThread(() =>
{
ListView pxListView = FindViewById<ListView>(Resource.Id.PatientListView);
ArrayAdapter adapter = pxListView.Adapter as ArrayAdapter;
Log.Debug(TAG, "Adapter: " + adapter.ToString());
adapter.Clear();
adapter.AddAll(patients.Entry);
}
);
}
catch (Exception e)
{
Log.Warn(TAG, e.Message);
RunOnUiThread(() =>
{
Android.Widget.Toast.MakeText(this, e.Message, ToastLength.Long).Show();
}
);
}
finally
{
RunOnUiThread(() => {
EnableInputs();
}
);
}
}
public void ManipulateParameters()
{
var q = new SearchParams();
q.Add("testX", "someVal");
q.Add("testX", "someVal2");
q.Add("testXY", "someVal3");
var paramlist = q.ToUriParamList();
var vals = paramlist.Values("testX");
Assert.AreEqual(2, vals.Count());
Assert.AreEqual("someVal", vals.First());
Assert.AreEqual("someVal2", vals.Skip(1).First());
Assert.AreEqual("someVal3", paramlist.SingleValue("testXY"));
paramlist.Remove("testXY");
Assert.IsNull(paramlist.SingleValue("testXY"));
Assert.AreEqual(2, paramlist.Values("testX").Count());
}
/// <summary>
/// Conditionally add search parameter for the specified value to the parameter collection.
/// </summary>
/// <param name="searchParams">The search parameter collection to modify.</param>
/// <param name="searchParam">Search parameter to add.</param>
/// <param name="paramValue">The value of the parameter to add to the collection. If value is null no search parameter will be added.</param>
/// <param name="searchPrefix">Optional prefix for value matching.</param>
/// <returns>The modified search parameter collection.</returns>
public static Hl7.Fhir.Rest.SearchParams WhenParamValue(this Hl7.Fhir.Rest.SearchParams searchParams, string searchParam, object paramValue, SearchPrefix searchPrefix = null)
{
if (searchParam == null)
{
throw new ArgumentNullException(nameof(searchParam));
}
if (paramValue != null)
{
SearchPrefix prefix = searchPrefix ?? SearchPrefix.Empty;
searchParams.Add(searchParam, $@"{searchPrefix}{paramValue}");
}
return(searchParams);
}
private void SearchAllergies(string PatientId)
{
WorkingMessage();
listAllergies.Items.Clear();
string FHIR_EndPoint = this.txtFHIREndpoint.Text.ToString();
var client = new Hl7.Fhir.Rest.FhirClient(FHIR_EndPoint);
try
{
var p = new Hl7.Fhir.Rest.SearchParams();
p.Add("patient", PatientId);
var results = client.Search <AllergyIntolerance>(p);
this.UseWaitCursor = false;
lblErrorMessage.Text = "";
while (results != null)
{
if (results.Total == 0)
{
lblErrorMessage.Text = "No allergies found";
}
foreach (var entry in results.Entry)
{
var Alrgy = (AllergyIntolerance)entry.Resource;
string Content = Alrgy.Code.Coding[0].Display
+ " / " + Alrgy.VerificationStatus.Coding[0].Code
+ " (" + Alrgy.ClinicalStatus.Coding[0].Code + ")";
listAllergies.Items.Add(Content);
}
// get the next page of results
results = client.Continue(results);
}
}
catch (Exception err)
{
lblErrorMessage.Text = "Error:" + err.Message.ToString();
}
if (lblErrorMessage.Text != "")
{
lblErrorMessage.Visible = true;
}
}
public void ParseAndSerializeParams()
{
var q = new SearchParams();
q.Add("_query", "special");
q.Add("_count", "31");
q.Add("_summary", "data");
q.Add("_sort:desc", "sorted");
q.Add("_sort:asc", "sorted2");
q.Add("_include", "Patient.name");
q.Add("_include", "Observation.subject");
q.Add("image:missing", "true");
q.Add("_elements", "field1,field2");
var output = q.ToUriParamList().ToQueryString();
Assert.AreEqual("_query=special&_count=31&_include=Patient.name&_include=Observation.subject&_sort%3Adesc=sorted&_sort%3Aasc=sorted2&_summary=data&_elements=field1%2Cfield2&image%3Amissing=true", output);
var q2 = SearchParams.FromUriParamList(UriParamList.FromQueryString(output));
Assert.AreEqual(q.Query, q2.Query);
Assert.AreEqual(q.Count, q2.Count);
Assert.AreEqual(q.Summary, q2.Summary);
CollectionAssert.AreEquivalent(q.Sort.ToList(), q2.Sort.ToList());
CollectionAssert.AreEquivalent(q.Include.ToList(), q2.Include.ToList());
CollectionAssert.AreEquivalent(q.Parameters.ToList(), q2.Parameters.ToList());
CollectionAssert.AreEquivalent(q.Elements.ToList(), q2.Elements.ToList());
}
public static SearchParams FromUriParamList(IEnumerable<Tuple<string,string>> parameters)
{
var result = new SearchParams();
foreach (var parameter in parameters)
result.Add(parameter.Item1, parameter.Item2);
return result;
}
public static SearchParams FromParameters(Parameters parameters)
{
var result = new SearchParams();
foreach (var parameter in parameters.Parameter)
{
var name = parameter.Name;
var value = parameter.Value;
if(value != null && value is Primitive)
{
result.Add(parameter.Name, PrimitiveTypeConverter.ConvertTo<string>(value));
}
else
if (value == null) throw Error.NotSupported("Can only convert primitive parameters to Uri parameters");
}
return result;
}
public void ParamOrderHasDefault()
{
var q = new SearchParams();
q.Add("_sort", "birthdate");
q.Add("_sort:asc", "name");
q.Add("_sort:desc", "active");
Assert.AreEqual(3, q.Sort.Count());
Assert.AreEqual(Tuple.Create("birthdate", SortOrder.Ascending), q.Sort.First());
Assert.AreEqual(Tuple.Create("name", SortOrder.Ascending), q.Sort.Skip(1).First());
Assert.AreEqual(Tuple.Create("active", SortOrder.Descending), q.Sort.Skip(2).First());
}
public void ParseAndSerializeParams()
{
var q = new SearchParams();
q.Add("_query", "special");
q.Add("_count", "31");
q.Add("_summary", "true");
q.Add("_sort:desc", "sorted");
q.Add("_sort:asc", "sorted2");
q.Add("_include", "Patient.name");
q.Add("_include", "Observation.subject");
var output = q.ToUriParamList().ToQueryString();
Assert.AreEqual("_query=special&_count=31&_include=Patient.name&_include=Observation.subject&_sort%3Adesc=sorted&_sort%3Aasc=sorted2&_summary=true", output);
}
private void SearchPatients()
{
WorkingMessage();
listCandidates.Items.Clear();
string FHIR_EndPoint = this.txtFHIREndpoint.Text.ToString();
var client = new Hl7.Fhir.Rest.FhirClient(FHIR_EndPoint);
client.OnBeforeRequest += (object sender, BeforeRequestEventArgs e) =>
{
// Replace with a valid bearer token for the server
// e.RawRequest.Headers.Add("Authorization", "Bearer ya29.QQIBibTwvKkE39hY8mdkT_mXZoRh7Ub9cK9hNsqrxem4QJ6sQa36VHfyuBe");
};
try
{
string patId = txtPatientID.Text.ToString();
string patName = txtPatientName.Text.ToString();
var p = new Hl7.Fhir.Rest.SearchParams();
switch (SearchOption)
{
case 1:
p.Add("_id", patId);
break;
case 2:
p.Add("name", patName);
break;
case 3:
p.Add("name", patName);
p.Add("birthdate", dateTimeDob.Text);
break;
}
var results = client.Search <Patient>(p);
this.UseWaitCursor = false;
lblErrorMessage.Text = "";
while (results != null)
{
if (results.Total == 0)
{
lblErrorMessage.Text = "No patients found";
}
btnShowAllergies.Enabled = true;
foreach (var entry in results.Entry)
{
var Pat = (Patient)entry.Resource;
string Fam = "", Giv = "", ideS = "", ideV = "";
if (Pat.Name.Count > 0)
{
Fam = Pat.Name[0].Family;
Giv = Pat.Name[0].GivenElement[0].ToString();
}
if (Pat.Identifier.Count > 0)
{
ideS = Pat.Identifier[0]?.System;
ideV = Pat.Identifier[0]?.Value;
}
string Content = Fam + " " + Giv + " (" + ideS + "-" + ideV + ")";
ListViewItem l = new ListViewItem
{
Text = Content,
Tag = entry.Resource.Id
};
listCandidates.Items.Add(l);
}
// get the next page of results
results = client.Continue(results);
}
}
catch (Exception err)
{
lblErrorMessage.Text = "Error:" + err.Message.ToString();
}
if (lblErrorMessage.Text != "")
{
lblErrorMessage.Visible = true;
}
}
