public static async Task<List<Medication>> GetMedicationDataForPatientAsync(string patientId, FhirClient client)
{
var mySearch = new SearchParams();
mySearch.Parameters.Add(new Tuple<string, string>("patient", patientId));
try
{
//Query the fhir server with search parameters, we will retrieve a bundle
var searchResultResponse = await Task.Run(() => client.Search<Hl7.Fhir.Model.MedicationOrder>(mySearch));
//There is an array of "entries" that can return. Get a list of all the entries.
return
searchResultResponse
.Entry
.AsParallel() //as parallel since we are making network requests
.Select(entry =>
{
var medOrders = client.Read<MedicationOrder>("MedicationOrder/" + entry.Resource.Id);
var safeCast = (medOrders?.Medication as ResourceReference)?.Reference;
if (string.IsNullOrWhiteSpace(safeCast)) return null;
return client.Read<Medication>(safeCast);
})
.Where(a => a != null)
.ToList(); //tolist to force the queries to occur now
}
catch (AggregateException e)
{
throw e.Flatten();
}
catch (FhirOperationException)
{
// if we have issues we likely got a 404 and thus have no medication orders...
return new List<Medication>();
}
}
public static Hl7.Fhir.Rest.SearchParams MatchOnId(this Hl7.Fhir.Rest.SearchParams searchParams, string id)
{
EnsureArg.IsNotNull(searchParams, nameof(searchParams));
searchParams.Parameters.Add(new Tuple <string, string>(SearchParam.Id.ToString(), id));
return(searchParams);
}
public static Hl7.Fhir.Rest.SearchParams ToSearchPath <TResource>()
where TResource : Hl7.Fhir.Model.Resource
{
var searchParams = new Hl7.Fhir.Rest.SearchParams();
return(searchParams);
}
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 SetCount(this Hl7.Fhir.Rest.SearchParams searchParams, int?count)
{
EnsureArg.IsNotNull(searchParams, nameof(searchParams));
searchParams.Count = count;
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 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 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);
}
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);
}
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);
}
private static string GetFirstSort(SearchParams searchCommand)
{
string firstSort = null;
if (searchCommand.Sort != null && searchCommand.Sort.Count() > 0)
{
firstSort = searchCommand.Sort[0].Item1; //TODO: Support sortorder and multiple sort arguments.
}
return firstSort;
}
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);
}
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);
}
/// <summary>
/// Apply specified sort values to the search parameters.
/// </summary>
/// <param name="searchParams">The parameter collection to modify.</param>
/// <param name="sortParameters">The parameters to sort by, applied in order. If null or empty no sorting will be applied.</param>
/// <returns>The modified search parameter collection.</returns>
/// <remarks>Fhir spec calls for indicating a descing sort using a minus, i.e. -date. Currently our fhir server implementation doesn't support sorting so values are ignored.</remarks>
/// <seealso cref="https://www.hl7.org/fhir/search.html#_sort"/>
/// <seealso cref="https://github.com/Microsoft/fhir-server/blob/master/docs/Features.md#Search"/>
public static Hl7.Fhir.Rest.SearchParams SortBy(this Hl7.Fhir.Rest.SearchParams searchParams, params string[] sortParameters)
{
foreach (var sortParam in sortParameters ?? Enumerable.Empty <string>())
{
if (!string.IsNullOrWhiteSpace(sortParam))
{
searchParams.OrderBy(sortParam);
}
}
return(searchParams);
}
private static List <FhirModel4.Patient> GetPatients(FhirRest.FhirR4Client fhirClient, string family)
{
var srch = new FhirRest.SearchParams()
.Where($"family={family}")
.LimitTo(20)
.SummaryOnly()
.OrderBy("birthdate",
FhirRest.SortOrder.Descending);
var bundle = fhirClient.Search <FhirModel4.Patient>(srch);
return(bundle.Entry.Select(b => b.Resource as FhirModel4.Patient).ToList());
}
/// <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);
}
public void TestProperties()
{
var q = new SearchParams();
q.Query = "special";
q.Count = 31;
q.Summary = SummaryType.Data;
q.Sort.Add(Tuple.Create("sorted", SortOrder.Descending));
q.Include.Add("Patient.name");
q.Include.Add("Observation.subject");
q.Elements.Add("field1");
Assert.AreEqual("special", q.Query);
Assert.AreEqual(31, q.Count);
Assert.AreEqual(SummaryType.Data, q.Summary);
Assert.AreEqual(Tuple.Create("sorted", SortOrder.Descending), q.Sort.Single());
Assert.AreEqual(2, q.Include.Count);
Assert.AreEqual("Patient.name", q.Include.First());
Assert.AreEqual("Observation.subject", q.Include.Skip(1).First());
Assert.AreEqual(1, q.Elements.Count);
Assert.AreEqual("field1", q.Elements.First());
q.Query = "special2";
q.Count = 32;
q.Summary = SummaryType.True;
q.Sort.Add(Tuple.Create("sorted2", SortOrder.Ascending));
q.Include.Add("Patient.name2");
q.Include.Remove("Patient.name");
q.Include.Add("Observation.subject2");
q.Elements.Add("field2");
Assert.AreEqual("special2", q.Query);
Assert.AreEqual(32, q.Count);
Assert.AreEqual(SummaryType.True, q.Summary);
Assert.AreEqual(2,q.Sort.Count);
Assert.AreEqual(Tuple.Create("sorted2", SortOrder.Ascending), q.Sort.Skip(1).Single());
Assert.AreEqual(3, q.Include.Count);
Assert.IsTrue(q.Include.Contains("Patient.name2"));
Assert.IsFalse(q.Include.Contains("Patient.name"));
Assert.IsTrue(q.Include.Contains("Observation.subject"));
Assert.IsTrue(q.Include.Contains("Observation.subject2"));
Assert.AreEqual(2, q.Elements.Count);
Assert.AreEqual("field1", q.Elements.First());
Assert.AreEqual("field2", q.Elements.Skip(1).First());
}
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;
}
}
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 Key FindSingle(string resource, SearchParams searchCommand)
{
// todo: this needs optimization
SearchResults results = _searcher.Search(resource, searchCommand);
if (results.Count > 1)
{
throw Error.BadRequest("The search for a single resource yielded more than one.");
}
else if (results.Count == 0)
{
throw Error.BadRequest("No resources were found while searching for a single resource.");
}
else
{
string location = results.FirstOrDefault();
return Key.ParseOperationPath(location);
}
}
public SearchResults Search(string resourceType, SearchParams searchCommand)
{
SearchResults results = new SearchResults();
var criteria = parseCriteria(searchCommand, results);
if (!results.HasErrors)
{
results.UsedCriteria = criteria;
var normalizedCriteria = NormalizeNonChainedReferenceCriteria(criteria, resourceType);
List<BsonValue> keys = CollectKeys(resourceType, normalizedCriteria, results);
int numMatches = keys.Count();
results.AddRange(KeysToSearchResults(keys));
results.MatchCount = numMatches;
}
return results;
}
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());
}
private void btnStart_Click(object sender, EventArgs e)
{
// Choose your preferred FHIR server or add your own
// More at http://wiki.hl7.org/index.php?title=Publicly_Available_FHIR_Servers_for_testing
//var client = new FhirClient("http://fhir2.healthintersections.com.au/open");
var client = new FhirClient("http://spark.furore.com/fhir");
//var client = new FhirClient("http://fhirtest.uhn.ca/baseDstu2");
//var client = new FhirClient("https://fhir-open-api-dstu2.smarthealthit.org/");
try
{
var q = new SearchParams().Where("name=pete");
//var q = new SearchParams().Where("name=pete").Where("birthdate=1974-12-25");
var results = client.Search<Patient>(q);
txtDisplay.Text = "";
while (results != null)
{
if (results.Total == 0) txtDisplay.Text = "No results found";
foreach (var entry in results.Entry)
{
txtDisplay.Text += "Found patient with id " + entry.Resource.Id + Environment.NewLine;
}
// get the next page of results
results = client.Continue(results);
}
}
catch (Exception err)
{
txtError.Lines = new string[] { "An error has occurred:", err.Message };
}
}
public static SearchParams DataOnly(this SearchParams qry)
{
qry.Summary = SummaryType.Data;
return(qry);
}
public TransactionBuilder Delete(string resourceType, SearchParams condition)
{
var entry = newEntry(Bundle.HTTPVerb.DELETE);
var path = newRestUrl().AddPath(resourceType);
path.AddParams(condition.ToUriParamList());
addEntry(entry, path);
return this;
}
//TODO: Delete, F.Query is obsolete.
/*
public SearchResults Search(F.Query query)
{
SearchResults results = new SearchResults();
var criteria = parseCriteria(query, results);
if (!results.HasErrors)
{
results.UsedCriteria = criteria;
//TODO: ResourceType.ToString() sufficient, or need to use EnumMapping?
var normalizedCriteria = NormalizeNonChainedReferenceCriteria(criteria, query.ResourceType.ToString());
List<BsonValue> keys = CollectKeys(query.ResourceType.ToString(), normalizedCriteria, results);
int numMatches = keys.Count();
results.AddRange(KeysToSearchResults(keys));
results.MatchCount = numMatches;
}
return results;
}
*/
private List<Criterium> parseCriteria(SearchParams searchCommand, SearchResults results)
{
var result = new List<Criterium>();
foreach (var c in searchCommand.Parameters)
{
try
{
result.Add(Criterium.Parse(c.Item1, c.Item2));
}
catch (Exception ex)
{
results.AddIssue(String.Format("Could not parse parameter [{0}] for reason [{1}].", c.ToString(), ex.Message));
}
}
return result;
}
public static SearchParams TextOnly(this SearchParams qry)
{
qry.Summary = SummaryType.Text;
return(qry);
}
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);
}
public FhirResponse Search(string type, SearchParams searchCommand)
{
Validate.TypeName(type);
SearchResults results = index.Search(type, searchCommand);
if (results.HasErrors)
{
throw new SparkException(HttpStatusCode.BadRequest, results.Outcome);
}
Uri link = new RestUrl(localhost.Uri(type)).AddPath(results.UsedParameters).Uri;
string firstSort = null;
if (searchCommand.Sort != null && searchCommand.Sort.Count() > 0)
{
firstSort = searchCommand.Sort[0].Item1; //TODO: Support sortorder and multiple sort arguments.
}
var snapshot = pager.CreateSnapshot(Bundle.BundleType.Searchset, link, results, firstSort);
Bundle bundle = pager.GetFirstPage(snapshot);
return Respond.WithBundle(bundle, localhost.Base);
}
public Snapshot CreateSnapshot(Uri selflink, IEnumerable<string> keys, SearchParams searchCommand)
{
string sort = GetFirstSort(searchCommand);
int? count = null;
if (searchCommand.Count.HasValue)
{
count = Math.Min(searchCommand.Count.Value, MAX_PAGE_SIZE);
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_COUNT, new string[] {count.ToString()});
}
if (string.IsNullOrEmpty(sort) == false)
{
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_SORT, new string[] {sort });
}
if (searchCommand.Include.Any())
{
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_INCLUDE, searchCommand.Include.ToArray());
}
return CreateSnapshot(Bundle.BundleType.Searchset, selflink, keys, sort, count, searchCommand.Include);
}
public static SearchParams LimitTo(this SearchParams qry, int count)
{
qry.Count = count;
return(qry);
}
}//end GetPatientsKnownAllergies
/// <summary>
/// Returns a dictionary of patient's allergies (ICD-10-CM Diagnosis Codes) from the FHIR server
/// </summary>
/// <param name="patientID"> Unique ID of patient for FHIR server</param>
private IList<string> GetAllergyIntoleranceIDs(string patientID)
{
IList<string> listOfAllergyIntoleranceIDs = new List<string>();
//First we need to set up the Search Param Object
var mySearch = new SearchParams();
//Create a tuple containing search parameters for SearchParam object
// equivalent of "AllergyIntolerance?patient=6116";
var mySearchTuple = new Tuple<string, string>("patient", patientID.ToString());
mySearch.Parameters.Add(mySearchTuple);
//Query the fhir server with search parameters, we will retrieve a bundle
var searchResultResponse = fhirClient.Search<Hl7.Fhir.Model.AllergyIntolerance>(mySearch);
//There is an array of "entries" that can return. Get a list of all the entries.
var listOfentries = searchResultResponse.Entry;
if (listOfentries.Count == 0)
return listOfAllergyIntoleranceIDs;
//Let us pull out only the Allery Intolerance IDs from the bundle objects
foreach (var entry in listOfentries)
{
listOfAllergyIntoleranceIDs.Add(entry.Resource.Id);
}
return listOfAllergyIntoleranceIDs;
}
public SearchResults Search(string resource, SearchParams searchCommand)
{
return _searcher.Search(resource, searchCommand);
}
public FhirResponse Search(string type, SearchParams searchCommand)
{
_log.ServiceMethodCalled("search");
Validate.TypeName(type);
SearchResults results = fhirIndex.Search(type, searchCommand);
if (results.HasErrors)
{
throw new SparkException(HttpStatusCode.BadRequest, results.Outcome);
}
UriBuilder builder = new UriBuilder(localhost.Uri(type));
builder.Query = results.UsedParameters;
Uri link = builder.Uri;
var snapshot = pager.CreateSnapshot(link, results, searchCommand);
Bundle bundle = pager.GetFirstPage(snapshot);
if (results.HasIssues)
{
bundle.AddResourceEntry(results.Outcome, new Uri("outcome/1", UriKind.Relative).ToString());
}
return Respond.WithBundle(bundle);
}
public TransactionBuilder Create(Resource body, SearchParams condition)
{
var entry = newEntry(Bundle.HTTPVerb.POST);
entry.Resource = body;
var path = newRestUrl().AddPath(body.TypeName);
var nonExist = new RestUrl(path);
nonExist.AddParams(condition.ToUriParamList());
entry.Request.IfNoneExist = nonExist.ToString();
addEntry(entry, path);
return this;
}
public void ReapplySingleParam()
{
var q = new SearchParams()
.Custom("mySearch").OrderBy("adsfadf").OrderBy("q", SortOrder.Descending)
.LimitTo(10).LimitTo(20).Custom("miSearch").SummaryOnly().SummaryOnly(false);
Assert.AreEqual("miSearch", q.Query);
Assert.IsFalse(q.Summary.Value);
var o = q.Sort;
Assert.AreEqual("adsfadf", o.First().Item1);
Assert.AreEqual(SortOrder.Ascending, o.First().Item2);
Assert.AreEqual("q", o.Skip(1).First().Item1);
Assert.AreEqual(SortOrder.Descending, o.Skip(1).First().Item2);
Assert.AreEqual(20, q.Count);
Assert.IsFalse(q.Summary.Value);
}
/// <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="resourceRefValue">The resource reference 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, SearchParam searchParam, Hl7.Fhir.Model.ResourceReference resourceRefValue, SearchPrefix searchPrefix = null)
{
return(searchParams.WhenParamValue(searchParam?.ToString(), resourceRefValue, searchPrefix));
}
public void SerializeParams()
{
var q = new SearchParams();
q.Query = "special";
q.Count = 31;
q.Summary = true;
q.Sort.Add(Tuple.Create("sorted", SortOrder.Descending));
q.Sort.Add(Tuple.Create("sorted2", SortOrder.Ascending));
q.Include.Add("Patient.name");
q.Include.Add("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);
}
/// <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 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, SearchParam searchParam, object paramValue, SearchPrefix searchPrefix = null)
{
return(searchParams.WhenParamValue(searchParam?.ToString(), paramValue, searchPrefix));
}
public void CountSetToNullAndGet()
{
var q = new SearchParams();
q.Count = null;
Assert.IsFalse(q.Count.HasValue);
}
public ISearchParameterGeneric Parse(Hl7.Fhir.Rest.SearchParams SearchParams)
{
this.ParameterList = new List <Tuple <string, string> >();
//We need to go through the SearchParams.Parameters and pull out the
//includes. This is because the API correctly pulls out the normal '_includes'
//into it's set property yet '_includes:recurse' incorrectly are placed in the
//SearchParams.Parameters list.
if (SearchParams.Include != null && SearchParams.Include.Count > 0)
{
if (this.Include == null)
{
this.Include = new List <Tuple <string, string> >();
}
foreach (var Inc in SearchParams.Include)
{
this.Include.Add(new Tuple <string, string>(SearchParams.SEARCH_PARAM_INCLUDE, Inc.Trim()));
}
}
if (SearchParams.RevInclude != null && SearchParams.RevInclude.Count > 0)
{
if (this.RevInclude == null)
{
this.RevInclude = new List <Tuple <string, string> >();
}
foreach (var Inc in SearchParams.RevInclude)
{
this.RevInclude.Add(new Tuple <string, string>(SearchParams.SEARCH_PARAM_REVINCLUDE, Inc.Trim()));
}
}
foreach (var Para in SearchParams.Parameters)
{
bool IsNoramlParameter = true;
if (ParseIncludeSearchParameters(Para.Item1, Para.Item2) != null)
{
if (this.Include == null)
{
this.Include = new List <Tuple <string, string> >();
}
this.Include.Add(ParseIncludeSearchParameters(Para.Item1, Para.Item2));
IsNoramlParameter = false;
}
if (ParseRevIncludeSearchParameters(Para.Item1, Para.Item2) != null)
{
if (this.RevInclude == null)
{
this.RevInclude = new List <Tuple <string, string> >();
}
this.RevInclude.Add(ParseRevIncludeSearchParameters(Para.Item1, Para.Item2));
IsNoramlParameter = false;
}
//Add parameters left to the main search parameter list
if (IsNoramlParameter)
{
this.ParameterList.Add(Para);
}
}
this.Sort = SearchParams.Sort;
this.Count = SearchParams.Count;
this.SummaryType = SearchParams.Summary;
return(this);
}
public void ManageSearchResult()
{
var q = new SearchParams()
.Where("name:exact=ewout").OrderBy("birthDate", SortOrder.Descending)
.SummaryOnly().Include("Patient.managingOrganization")
.LimitTo(20);
var parameters = q.ToUriParamList();
var p = parameters.Single("name");
Assert.AreEqual("name:exact", p.Item1);
Assert.AreEqual("ewout", p.Item2);
var o = q.Sort;
Assert.AreEqual("birthDate", o.First().Item1);
Assert.AreEqual(SortOrder.Descending, o.First().Item2);
Assert.IsTrue(q.Summary.Value);
Assert.IsTrue(q.Include.Contains("Patient.managingOrganization"));
Assert.AreEqual(20, q.Count);
}
public static Hl7.Fhir.Rest.SearchParams SetCount(this Hl7.Fhir.Rest.SearchParams searchParams, int?count)
{
searchParams.Count = count;
return(searchParams);
}
public static SearchParams SummaryOnly(this SearchParams qry, SummaryType summaryOnly = SummaryType.True)
{
qry.Summary = summaryOnly;
return(qry);
}
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;
}
}
public static SearchParams CountOnly(this SearchParams qry)
{
qry.Summary = SummaryType.Count;
return(qry);
}
public static Hl7.Fhir.Rest.SearchParams MatchOnId(this Hl7.Fhir.Rest.SearchParams searchParams, string id)
{
searchParams.Parameters.Add(new Tuple <string, string>(SearchParam.Id.ToString(), id));
return(searchParams);
}
public TransactionBuilder Search(SearchParams q = null, string resourceType = null)
{
var entry = newEntry(Bundle.HTTPVerb.GET);
var path = newRestUrl();
if (resourceType != null) path.AddPath(resourceType);
if(q != null) path.AddParams(q.ToUriParamList());
addEntry(entry, path);
return this;
}
public TransactionBuilder Update(SearchParams condition, Resource body, string ifMatch=null)
{
var entry = newEntry(Bundle.HTTPVerb.PUT);
entry.Resource = body;
var path = newRestUrl().AddPath(body.TypeName);
path.AddParams(condition.ToUriParamList());
addEntry(entry, path);
return this;
}
public FhirResponse ConditionalUpdate(Key key, Resource resource, SearchParams _params)
{
Key existing = fhirIndex.FindSingle(key.TypeName, _params).WithoutVersion();
return this.Update(existing, resource);
}
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", "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 Include(this SearchParams qry, string path)
{
qry.Include.Add(path);
return(qry);
}