public SearchOptions Create(string compartmentType, string compartmentId, string resourceType, IReadOnlyList <Tuple <string, string> > queryParameters)
{
var searchOptions = new SearchOptions();
string continuationToken = null;
var searchParams = new SearchParams();
var unsupportedSearchParameters = new List <Tuple <string, string> >();
bool setDefaultBundleTotal = true;
// Extract the continuation token, filter out the other known query parameters that's not search related.
foreach (Tuple <string, string> query in queryParameters ?? Enumerable.Empty <Tuple <string, string> >())
{
if (query.Item1 == KnownQueryParameterNames.ContinuationToken)
{
// This is an unreachable case. The mapping of the query parameters makes it so only one continuation token can exist.
if (continuationToken != null)
{
throw new InvalidSearchOperationException(
string.Format(Core.Resources.MultipleQueryParametersNotAllowed, KnownQueryParameterNames.ContinuationToken));
}
try
{
continuationToken = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(query.Item2));
}
catch (FormatException)
{
throw new BadRequestException(Core.Resources.InvalidContinuationToken);
}
setDefaultBundleTotal = false;
}
else if (query.Item1 == KnownQueryParameterNames.Format)
{
// TODO: We need to handle format parameter.
}
else if (string.Equals(query.Item1, KnownQueryParameterNames.Type, StringComparison.OrdinalIgnoreCase))
{
var types = query.Item2.SplitByOrSeparator();
var badTypes = types.Where(type => !ModelInfoProvider.IsKnownResource(type)).ToHashSet();
if (badTypes.Count != 0)
{
_contextAccessor.FhirRequestContext.BundleIssues.Add(
new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Warning,
OperationOutcomeConstants.IssueType.NotSupported,
string.Format(Core.Resources.InvalidTypeParameter, badTypes.OrderBy(x => x).Select(type => $"'{type}'").JoinByOrSeparator())));
if (badTypes.Count != types.Count)
{
// In case of we have acceptable types, we filter invalid types from search.
searchParams.Add(KnownQueryParameterNames.Type, types.Except(badTypes).JoinByOrSeparator());
}
else
{
// If all types are invalid, we add them to search params. If we remove them, we wouldn't filter by type, and return all types,
// which is incorrect behaviour. Optimally we should indicate in search options what it would yield nothing, and skip search,
// but there is no option for that right now.
searchParams.Add(KnownQueryParameterNames.Type, query.Item2);
}
}
else
{
searchParams.Add(KnownQueryParameterNames.Type, query.Item2);
}
}
else if (string.IsNullOrWhiteSpace(query.Item1) || string.IsNullOrWhiteSpace(query.Item2))
{
// Query parameter with empty value is not supported.
unsupportedSearchParameters.Add(query);
}
else if (string.Compare(query.Item1, KnownQueryParameterNames.Total, StringComparison.OrdinalIgnoreCase) == 0)
{
if (Enum.TryParse <TotalType>(query.Item2, true, out var totalType))
{
ValidateTotalType(totalType);
searchOptions.IncludeTotal = totalType;
setDefaultBundleTotal = false;
}
else
{
throw new BadRequestException(string.Format(Core.Resources.InvalidTotalParameter, query.Item2, SupportedTotalTypes));
}
}
else
{
// Parse the search parameters.
try
{
// Basic format checking (e.g. integer value for _count key etc.).
searchParams.Add(query.Item1, query.Item2);
}
catch (Exception ex)
{
throw new BadRequestException(ex.Message);
}
}
}
searchOptions.ContinuationToken = continuationToken;
if (setDefaultBundleTotal)
{
ValidateTotalType(_featureConfiguration.IncludeTotalInBundle);
searchOptions.IncludeTotal = _featureConfiguration.IncludeTotalInBundle;
}
// Check the item count.
if (searchParams.Count != null)
{
searchOptions.MaxItemCountSpecifiedByClient = true;
if (searchParams.Count > _featureConfiguration.MaxItemCountPerSearch)
{
searchOptions.MaxItemCount = _featureConfiguration.MaxItemCountPerSearch;
_contextAccessor.FhirRequestContext.BundleIssues.Add(
new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Information,
OperationOutcomeConstants.IssueType.Informational,
string.Format(Core.Resources.SearchParamaterCountExceedLimit, _featureConfiguration.MaxItemCountPerSearch, searchParams.Count)));
}
else
{
searchOptions.MaxItemCount = searchParams.Count.Value;
}
}
else
{
searchOptions.MaxItemCount = _featureConfiguration.DefaultItemCountPerSearch;
}
searchOptions.IncludeCount = _featureConfiguration.DefaultIncludeCountPerSearch;
// Check to see if only the count should be returned
searchOptions.CountOnly = searchParams.Summary == SummaryType.Count;
// If the resource type is not specified, then the common
// search parameters should be used.
ResourceType parsedResourceType = ResourceType.DomainResource;
if (!string.IsNullOrWhiteSpace(resourceType) &&
!Enum.TryParse(resourceType, out parsedResourceType))
{
throw new ResourceNotSupportedException(resourceType);
}
var searchExpressions = new List <Expression>();
if (!string.IsNullOrWhiteSpace(resourceType))
{
searchExpressions.Add(Expression.SearchParameter(_resourceTypeSearchParameter, Expression.StringEquals(FieldName.TokenCode, null, resourceType, false)));
}
searchExpressions.AddRange(searchParams.Parameters.Select(
q =>
{
try
{
return(_expressionParser.Parse(parsedResourceType.ToString(), q.Item1, q.Item2));
}
catch (SearchParameterNotSupportedException)
{
unsupportedSearchParameters.Add(q);
return(null);
}
})
.Where(item => item != null));
if (searchParams.Include?.Count > 0)
{
searchExpressions.AddRange(searchParams.Include.Select(
q => _expressionParser.ParseInclude(parsedResourceType.ToString(), q, false /* not reversed */, false /* no iterate */))
.Where(item => item != null));
}
if (searchParams.RevInclude?.Count > 0)
{
searchExpressions.AddRange(searchParams.RevInclude.Select(
q => _expressionParser.ParseInclude(parsedResourceType.ToString(), q, true /* reversed */, false /* no iterate */))
.Where(item => item != null));
}
// Parse _include:iterate (_include:recurse) parameters.
// :iterate (:recurse) modifiers are not supported by Hl7.Fhir.Rest, hence not added to the Include collection and exist in the Parameters list.
// See https://github.com/FirelyTeam/fhir-net-api/issues/222
// _include:iterate (_include:recurse) expression may appear without a preceding _include parameter
// when applied on a circular reference
searchExpressions.AddRange(ParseIncludeIterateExpressions(searchParams));
// remove _include:iterate and _revinclude:iterate parameters from unsupportedSearchParameters
unsupportedSearchParameters.RemoveAll(p => AllIterateModifiers.Contains(p.Item1));
if (!string.IsNullOrWhiteSpace(compartmentType))
{
if (Enum.TryParse(compartmentType, out CompartmentType parsedCompartmentType))
{
if (string.IsNullOrWhiteSpace(compartmentId))
{
throw new InvalidSearchOperationException(Core.Resources.CompartmentIdIsInvalid);
}
searchExpressions.Add(Expression.CompartmentSearch(compartmentType, compartmentId));
}
else
{
throw new InvalidSearchOperationException(string.Format(Core.Resources.CompartmentTypeIsInvalid, compartmentType));
}
}
if (searchExpressions.Count == 1)
{
searchOptions.Expression = searchExpressions[0];
}
else if (searchExpressions.Count > 1)
{
searchOptions.Expression = Expression.And(searchExpressions.ToArray());
}
if (unsupportedSearchParameters.Any())
{
// TODO: Client can specify whether exception should be raised or not when it encounters unknown search parameters.
// For now, we will ignore any unknown search parameters.
}
searchOptions.UnsupportedSearchParams = unsupportedSearchParameters;
if (searchParams.Sort?.Count > 0)
{
var sortings = new List <(SearchParameterInfo, SortOrder)>(searchParams.Sort.Count);
bool sortingsValid = true;
foreach (Tuple <string, Hl7.Fhir.Rest.SortOrder> sorting in searchParams.Sort)
{
try
{
SearchParameterInfo searchParameterInfo = _searchParameterDefinitionManager.GetSearchParameter(parsedResourceType.ToString(), sorting.Item1);
sortings.Add((searchParameterInfo, sorting.Item2.ToCoreSortOrder()));
}
catch (SearchParameterNotSupportedException)
{
sortingsValid = false;
_contextAccessor.FhirRequestContext.BundleIssues.Add(new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Warning,
OperationOutcomeConstants.IssueType.NotSupported,
string.Format(CultureInfo.InvariantCulture, Core.Resources.SearchParameterNotSupported, sorting.Item1, parsedResourceType.ToString())));
}
}
if (sortingsValid)
{
if (!_sortingValidator.ValidateSorting(sortings, out IReadOnlyList <string> errorMessages))
{
if (errorMessages == null || errorMessages.Count == 0)
{
throw new InvalidOperationException($"Expected {_sortingValidator.GetType().Name} to return error messages when {nameof(_sortingValidator.ValidateSorting)} returns false");
}
sortingsValid = false;
foreach (var errorMessage in errorMessages)
{
_contextAccessor.FhirRequestContext.BundleIssues.Add(new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Warning,
OperationOutcomeConstants.IssueType.NotSupported,
errorMessage));
}
}
}
if (sortingsValid)
{
searchOptions.Sort = sortings;
}
}
if (searchOptions.Sort == null)
{
searchOptions.Sort = Array.Empty <(SearchParameterInfo searchParameterInfo, SortOrder sortOrder)>();
}
return(searchOptions);
IEnumerable <IncludeExpression> ParseIncludeIterateExpressions(SearchParams searchParams)
{
return(searchParams.Parameters
.Where(p => p != null && AllIterateModifiers.Where(m => string.Equals(p.Item1, m, StringComparison.OrdinalIgnoreCase)).Any())
.Select(p =>
{
var includeResourceType = p.Item2?.Split(':')[0];
if (!ModelInfoProvider.IsKnownResource(includeResourceType))
{
throw new ResourceNotSupportedException(includeResourceType);
}
var reversed = RevIncludeIterateModifiers.Contains(p.Item1);
var expression = _expressionParser.ParseInclude(includeResourceType, p.Item2, reversed, true);
// Reversed Iterate expressions (not wildcard) must specify target type if there is more than one possible target type
if (expression.Reversed && expression.Iterate && expression.TargetResourceType == null && expression.ReferenceSearchParameter?.TargetResourceTypes?.Count > 1)
{
throw new BadRequestException(string.Format(Core.Resources.RevIncludeIterateTargetTypeNotSpecified, p.Item2));
}
// For circular include iterate expressions, add an informational issue indicating that a single iteration is supported.
// See https://www.hl7.org/fhir/search.html#revinclude.
if (expression.Iterate && expression.CircularReference)
{
_contextAccessor.FhirRequestContext.BundleIssues.Add(
new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Information,
OperationOutcomeConstants.IssueType.Informational,
string.Format(Core.Resources.IncludeIterateCircularReferenceExecutedOnce, p.Item1, p.Item2)));
}
return expression;
}));
}
void ValidateTotalType(TotalType totalType)
{
// Estimate is not yet supported.
if (totalType == TotalType.Estimate)
{
throw new SearchOperationNotSupportedException(string.Format(Core.Resources.UnsupportedTotalParameter, totalType, SupportedTotalTypes));
}
}
}
public SearchOptions Create(string compartmentType, string compartmentId, string resourceType, IReadOnlyList <Tuple <string, string> > queryParameters)
{
var options = new SearchOptions();
string continuationToken = null;
var searchParams = new SearchParams();
var unsupportedSearchParameters = new List <Tuple <string, string> >();
// Extract the continuation token, filter out the other known query parameters that's not search related.
foreach (Tuple <string, string> query in queryParameters ?? Enumerable.Empty <Tuple <string, string> >())
{
if (query.Item1 == KnownQueryParameterNames.ContinuationToken)
{
if (continuationToken != null)
{
throw new InvalidSearchOperationException(
string.Format(Core.Resources.MultipleQueryParametersNotAllowed, KnownQueryParameterNames.ContinuationToken));
}
continuationToken = query.Item2;
}
else if (query.Item1 == KnownQueryParameterNames.Format)
{
// TODO: We need to handle format parameter.
}
else if (string.IsNullOrWhiteSpace(query.Item2))
{
// Query parameter with empty value is not supported.
unsupportedSearchParameters.Add(query);
}
else
{
// Parse the search parameters.
try
{
searchParams.Add(query.Item1, query.Item2);
}
catch (Exception ex)
{
_logger.LogInformation(ex, "Failed to parse the query parameter. Skipping.");
// There was a problem parsing the parameter. Add it to list of unsupported parameters.
unsupportedSearchParameters.Add(query);
}
}
}
options.ContinuationToken = continuationToken;
// Check the item count.
if (searchParams.Count != null)
{
options.MaxItemCount = searchParams.Count.Value;
}
// Check to see if only the count should be returned
options.CountOnly = searchParams.Summary == SummaryType.Count;
// If the resource type is not specified, then the common
// search parameters should be used.
ResourceType parsedResourceType = ResourceType.DomainResource;
if (!string.IsNullOrWhiteSpace(resourceType) &&
!Enum.TryParse(resourceType, out parsedResourceType))
{
throw new ResourceNotSupportedException(resourceType);
}
var searchExpressions = new List <Expression>();
if (!string.IsNullOrWhiteSpace(resourceType))
{
searchExpressions.Add(Expression.SearchParameter(_resourceTypeSearchParameter.ToInfo(), Expression.Equals(FieldName.TokenCode, null, resourceType)));
}
searchExpressions.AddRange(searchParams.Parameters.Select(
q =>
{
try
{
return(_expressionParser.Parse(parsedResourceType.ToString(), q.Item1, q.Item2));
}
catch (SearchParameterNotSupportedException)
{
unsupportedSearchParameters.Add(q);
return(null);
}
})
.Where(item => item != null));
if (!string.IsNullOrWhiteSpace(compartmentType))
{
if (Enum.TryParse(compartmentType, out CompartmentType parsedCompartmentType))
{
if (string.IsNullOrWhiteSpace(compartmentId))
{
throw new InvalidSearchOperationException(Core.Resources.CompartmentIdIsInvalid);
}
searchExpressions.Add(Expression.CompartmentSearch(compartmentType, compartmentId));
}
else
{
throw new InvalidSearchOperationException(string.Format(Core.Resources.CompartmentTypeIsInvalid, compartmentType));
}
}
if (searchExpressions.Count == 1)
{
options.Expression = searchExpressions[0];
}
else if (searchExpressions.Count > 1)
{
options.Expression = Expression.And(searchExpressions.ToArray());
}
if (unsupportedSearchParameters.Any())
{
// TODO: Client can specify whether exception should be raised or not when it encounters unknown search parameters.
// For now, we will ignore any unknown search parameters.
}
options.UnsupportedSearchParams = unsupportedSearchParameters;
return(options);
}
public SearchOptions Create(string compartmentType, string compartmentId, string resourceType, IReadOnlyList <Tuple <string, string> > queryParameters)
{
var searchOptions = new SearchOptions();
string continuationToken = null;
var searchParams = new SearchParams();
var unsupportedSearchParameters = new List <Tuple <string, string> >();
// Extract the continuation token, filter out the other known query parameters that's not search related.
foreach (Tuple <string, string> query in queryParameters ?? Enumerable.Empty <Tuple <string, string> >())
{
if (query.Item1 == KnownQueryParameterNames.ContinuationToken)
{
// This is an unreachable case. The mapping of the query parameters makes it so only one continuation token can exist.
if (continuationToken != null)
{
throw new InvalidSearchOperationException(
string.Format(Core.Resources.MultipleQueryParametersNotAllowed, KnownQueryParameterNames.ContinuationToken));
}
// Checks if the continuation token is base 64 bit encoded. Needed for systems that have cached continuation tokens from before they were encoded.
if (Base64FormatRegex.IsMatch(query.Item2))
{
continuationToken = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(query.Item2));
}
else
{
continuationToken = query.Item2;
}
}
else if (query.Item1 == KnownQueryParameterNames.Format)
{
// TODO: We need to handle format parameter.
}
else if (string.IsNullOrWhiteSpace(query.Item1) || string.IsNullOrWhiteSpace(query.Item2))
{
// Query parameter with empty value is not supported.
unsupportedSearchParameters.Add(query);
}
else if (string.Compare(query.Item1, KnownQueryParameterNames.Total, StringComparison.OrdinalIgnoreCase) == 0)
{
// Estimate is not yet supported.
var supportedTotalTypes = new string($"'{TotalType.Accurate}', '{TotalType.None}'").ToLower(CultureInfo.CurrentCulture);
if (Enum.TryParse <TotalType>(query.Item2, true, out var totalType))
{
if (totalType == TotalType.Estimate)
{
throw new SearchOperationNotSupportedException(string.Format(Core.Resources.UnsupportedTotalParameter, query.Item2, supportedTotalTypes));
}
searchOptions.IncludeTotal = totalType;
}
else
{
throw new BadRequestException(string.Format(Core.Resources.InvalidTotalParameter, query.Item2, supportedTotalTypes));
}
}
else
{
// Parse the search parameters.
try
{
// Basic format checking (e.g. integer value for _count key etc.).
searchParams.Add(query.Item1, query.Item2);
}
catch (Exception ex)
{
throw new BadRequestException(ex.Message);
}
}
}
searchOptions.ContinuationToken = continuationToken;
// Check the item count.
if (searchParams.Count != null)
{
searchOptions.MaxItemCount = searchParams.Count.Value;
}
// Check to see if only the count should be returned
searchOptions.CountOnly = searchParams.Summary == SummaryType.Count;
// If the resource type is not specified, then the common
// search parameters should be used.
ResourceType parsedResourceType = ResourceType.DomainResource;
if (!string.IsNullOrWhiteSpace(resourceType) &&
!Enum.TryParse(resourceType, out parsedResourceType))
{
throw new ResourceNotSupportedException(resourceType);
}
var searchExpressions = new List <Expression>();
if (!string.IsNullOrWhiteSpace(resourceType))
{
searchExpressions.Add(Expression.SearchParameter(_resourceTypeSearchParameter, Expression.StringEquals(FieldName.TokenCode, null, resourceType, false)));
}
searchExpressions.AddRange(searchParams.Parameters.Select(
q =>
{
try
{
return(_expressionParser.Parse(parsedResourceType.ToString(), q.Item1, q.Item2));
}
catch (SearchParameterNotSupportedException)
{
unsupportedSearchParameters.Add(q);
return(null);
}
})
.Where(item => item != null));
if (searchParams.Include?.Count > 0)
{
searchExpressions.AddRange(searchParams.Include.Select(
q => _expressionParser.ParseInclude(parsedResourceType.ToString(), q))
.Where(item => item != null));
}
if (!string.IsNullOrWhiteSpace(compartmentType))
{
if (Enum.TryParse(compartmentType, out CompartmentType parsedCompartmentType))
{
if (string.IsNullOrWhiteSpace(compartmentId))
{
throw new InvalidSearchOperationException(Core.Resources.CompartmentIdIsInvalid);
}
searchExpressions.Add(Expression.CompartmentSearch(compartmentType, compartmentId));
}
else
{
throw new InvalidSearchOperationException(string.Format(Core.Resources.CompartmentTypeIsInvalid, compartmentType));
}
}
if (searchExpressions.Count == 1)
{
searchOptions.Expression = searchExpressions[0];
}
else if (searchExpressions.Count > 1)
{
searchOptions.Expression = Expression.And(searchExpressions.ToArray());
}
if (unsupportedSearchParameters.Any())
{
// TODO: Client can specify whether exception should be raised or not when it encounters unknown search parameters.
// For now, we will ignore any unknown search parameters.
}
searchOptions.UnsupportedSearchParams = unsupportedSearchParameters;
if (searchParams.Sort?.Count > 0)
{
var sortings = new List <(SearchParameterInfo, SortOrder)>();
List <(string parameterName, string reason)> unsupportedSortings = null;
foreach (Tuple <string, Hl7.Fhir.Rest.SortOrder> sorting in searchParams.Sort)
{
try
{
SearchParameterInfo searchParameterInfo = _searchParameterDefinitionManager.GetSearchParameter(parsedResourceType.ToString(), sorting.Item1);
sortings.Add((searchParameterInfo, sorting.Item2.ToCoreSortOrder()));
}
catch (SearchParameterNotSupportedException)
{
(unsupportedSortings ??= new List <(string parameterName, string reason)>()).Add((sorting.Item1, string.Format(Core.Resources.SearchParameterNotSupported, sorting.Item1, resourceType)));
}
}
searchOptions.Sort = sortings;
searchOptions.UnsupportedSortingParams = (IReadOnlyList <(string parameterName, string reason)>)unsupportedSortings ?? Array.Empty <(string parameterName, string reason)>();
}
else
{
searchOptions.Sort = Array.Empty <(SearchParameterInfo searchParameterInfo, SortOrder sortOrder)>();
searchOptions.UnsupportedSortingParams = Array.Empty <(string parameterName, string reason)>();
}
return(searchOptions);
}
public void Test_TokenCaseCorrect()
{
CleanUpByIdentifier(ResourceType.Observation);
Hl7.Fhir.Rest.FhirClient clientFhir = new Hl7.Fhir.Rest.FhirClient(StaticTestData.FhirEndpoint(), false);
clientFhir.Timeout = 1000 * 720; // give the call a while to execute (particularly while debugging).
//Add an Observation one with an Effective Period 10:00 AM to 11:00 AM
FhirDateTime ObsOneEffectiveStart = new FhirDateTime(new DateTimeOffset(2018, 08, 5, 10, 00, 00, new TimeSpan(8, 0, 0)));
FhirDateTime ObsOneEffectiveEnd = new FhirDateTime(new DateTimeOffset(2018, 08, 5, 11, 00, 00, new TimeSpan(8, 0, 0)));
string ObsOneResourceId = string.Empty;
Observation ObsOne = new Observation();
ObsOne.Identifier = new List<Identifier>(){
new Identifier()
{
System = StaticTestData.TestIdentiferSystem,
Value = Common.Tools.FhirGuid.FhirGuid.NewFhirGuid()
}
};
ObsOne.Code = new CodeableConcept();
ObsOne.Code.Coding = new List<Coding>();
ObsOne.Code.Coding.Add(new Coding()
{
System = "http:/mytestcodesystem.com/system",
Code = "ObsOne"
});
var EffectiveObsOnePeriod = new Period();
EffectiveObsOnePeriod.StartElement = ObsOneEffectiveStart;
EffectiveObsOnePeriod.EndElement = ObsOneEffectiveEnd;
ObsOne.Effective = EffectiveObsOnePeriod;
Observation ObsOneResult = null;
try
{
ObsOneResult = clientFhir.Create(ObsOne);
}
catch (Exception Exec)
{
Assert.True(false, "Exception thrown on resource Create: " + Exec.Message);
}
Assert.NotNull(ObsOneResult, "Resource create by Updated returned resource of null");
ObsOneResourceId = ObsOneResult.Id;
ObsOneResult = null;
//Add an Observation one with an Effective Period 10:30 AM to 11:30 AM
FhirDateTime ObsTwoEffectiveStart = new FhirDateTime(new DateTimeOffset(2018, 08, 5, 10, 30, 00, new TimeSpan(8, 0, 0)));
FhirDateTime ObsTwoEffectiveEnd = new FhirDateTime(new DateTimeOffset(2018, 08, 5, 11, 30, 00, new TimeSpan(8, 0, 0)));
string ObsTwoResourceId = string.Empty;
Observation ObsTwo = new Observation();
ObsTwo.Identifier = new List<Identifier>(){
new Identifier()
{
System = StaticTestData.TestIdentiferSystem,
Value = Common.Tools.FhirGuid.FhirGuid.NewFhirGuid()
}
};
ObsTwo.Code = new CodeableConcept();
ObsTwo.Code.Coding = new List<Coding>();
ObsTwo.Code.Coding.Add(new Coding()
{
System = "http:/mytestcodesystem.com/system",
Code = "ObsTwo"
});
var EffectiveObsTwoPeriod = new Period();
EffectiveObsTwoPeriod.StartElement = ObsTwoEffectiveStart;
EffectiveObsTwoPeriod.EndElement = ObsTwoEffectiveEnd;
ObsTwo.Effective = EffectiveObsTwoPeriod;
Observation ObsTwoResult = null;
try
{
ObsTwoResult = clientFhir.Create(ObsTwo);
}
catch (Exception Exec)
{
Assert.True(false, "Exception thrown on resource Create: " + Exec.Message);
}
Assert.NotNull(ObsTwoResult, "Resource create by Updated returned resource of null");
ObsTwoResourceId = ObsTwoResult.Id;
ObsTwoResult = null;
//Assert
var SearchParam = new SearchParams();
try
{
//ObsOne = 10:00 to 11:00
//ObsTwo = 10:30 to 11:30
SearchParam.Add("identifier", $"{StaticTestData.TestIdentiferSystem}|");
SearchParam.Add("code", "http:/mytestcodesystem.com/system|ObsOne");
clientFhir.PreferredParameterHandling = SearchParameterHandling.Strict;
Bundle BundleResult = clientFhir.Search<Observation>(SearchParam);
Assert.IsNotNull(BundleResult);
Assert.IsNotNull(BundleResult.Entry);
Assert.AreEqual(1, BundleResult.Entry.Count);
Assert.AreEqual(ObsOneResourceId, BundleResult.Entry[0].Resource.Id);
}
catch (Exception Exec)
{
Assert.True(false, "Exception thrown on resource Search: " + Exec.Message);
}
CleanUpByIdentifier(ResourceType.Observation);
}
public void Test_TokenCaseInCorrect()
{
CleanUpByIdentifier(ResourceType.Observation);
Hl7.Fhir.Rest.FhirClient clientFhir = new Hl7.Fhir.Rest.FhirClient(StaticTestData.FhirEndpoint(), false);
clientFhir.Timeout = 1000 * 720; // give the call a while to execute (particularly while debugging).
//Add an Observation one with an Effective Period 10:00 AM to 11:00 AM
FhirDateTime ObsOneEffectiveStart = new FhirDateTime(new DateTimeOffset(2018, 08, 5, 10, 00, 00, new TimeSpan(8, 0, 0)));
FhirDateTime ObsOneEffectiveEnd = new FhirDateTime(new DateTimeOffset(2018, 08, 5, 11, 00, 00, new TimeSpan(8, 0, 0)));
string ObsOneResourceId = string.Empty;
Observation ObsOne = new Observation();
ObsOne.Identifier = new List<Identifier>(){
new Identifier()
{
System = StaticTestData.TestIdentiferSystem,
Value = Common.Tools.FhirGuid.FhirGuid.NewFhirGuid()
}
};
ObsOne.Code = new CodeableConcept();
ObsOne.Code.Coding = new List<Coding>();
ObsOne.Code.Coding.Add(new Coding()
{
System = "http:/mytestcodesystem.com/system",
Code = "ObsOne"
});
var EffectiveObsOnePeriod = new Period();
EffectiveObsOnePeriod.StartElement = ObsOneEffectiveStart;
EffectiveObsOnePeriod.EndElement = ObsOneEffectiveEnd;
ObsOne.Effective = EffectiveObsOnePeriod;
Observation ObsOneResult = null;
try
{
ObsOneResult = clientFhir.Create(ObsOne);
}
catch (Exception Exec)
{
Assert.True(false, "Exception thrown on resource Create: " + Exec.Message);
}
Assert.NotNull(ObsOneResult, "Resource create by Updated returned resource of null");
ObsOneResourceId = ObsOneResult.Id;
ObsOneResult = null;
//Add an Observation one with an Effective Period 10:30 AM to 11:30 AM
FhirDateTime ObsTwoEffectiveStart = new FhirDateTime(new DateTimeOffset(2018, 08, 5, 10, 30, 00, new TimeSpan(8, 0, 0)));
FhirDateTime ObsTwoEffectiveEnd = new FhirDateTime(new DateTimeOffset(2018, 08, 5, 11, 30, 00, new TimeSpan(8, 0, 0)));
string ObsTwoResourceId = string.Empty;
Observation ObsTwo = new Observation();
ObsTwo.Identifier = new List<Identifier>(){
new Identifier()
{
System = StaticTestData.TestIdentiferSystem,
Value = Common.Tools.FhirGuid.FhirGuid.NewFhirGuid()
}
};
ObsTwo.Code = new CodeableConcept();
ObsTwo.Code.Coding = new List<Coding>();
ObsTwo.Code.Coding.Add(new Coding()
{
System = "http:/mytestcodesystem.com/system",
Code = "ObsTwo"
});
var EffectiveObsTwoPeriod = new Period();
EffectiveObsTwoPeriod.StartElement = ObsTwoEffectiveStart;
EffectiveObsTwoPeriod.EndElement = ObsTwoEffectiveEnd;
ObsTwo.Effective = EffectiveObsTwoPeriod;
Observation ObsTwoResult = null;
try
{
ObsTwoResult = clientFhir.Create(ObsTwo);
}
catch (Exception Exec)
{
Assert.True(false, "Exception thrown on resource Create: " + Exec.Message);
}
Assert.NotNull(ObsTwoResult, "Resource create by Updated returned resource of null");
ObsTwoResourceId = ObsTwoResult.Id;
ObsTwoResult = null;
//Assert
var SearchParam = new SearchParams();
try
{
//ObsOne = 10:00 to 11:00
//ObsTwo = 10:30 to 11:30
SearchParam.Add("identifier", $"{StaticTestData.TestIdentiferSystem}|");
SearchParam.Add("code", "http:/mytestcodesystem.com/system|obsone");
clientFhir.PreferredParameterHandling = SearchParameterHandling.Strict;
Bundle BundleResult = clientFhir.Search<Observation>(SearchParam);
//From thr R4 FHIR Spec
//Note: There are many challenging issues around case senstivity and token searches.
//Some code systems are case sensitive(e.g.UCUM) while others are known not to be.For many
//code systems, it's ambiguous. Other kinds of values are also ambiguous. When in doubt, servers
//SHOULD treat tokens in a case-insensitive manner, on the grounds that including undesired data
//has less safety implications than excluding desired behavior. Clients SHOULD always use the
//correct case when possible, and allow for the server to perform case-insensitive matching.
//STU3 was a little vage on this point. Trying to conclude case sesativity based on CodeSystem is
//a more difficult goal and would slow down searches, do not plan on doing that any time soon.
Assert.IsNotNull(BundleResult);
Assert.IsNotNull(BundleResult.Entry);
Assert.AreEqual(1, BundleResult.Entry.Count);
Assert.AreEqual(ObsOneResourceId, BundleResult.Entry[0].Resource.Id);
}
catch (Exception Exec)
{
Assert.True(false, "Exception thrown on resource Search: " + Exec.Message);
}
CleanUpByIdentifier(ResourceType.Observation);
}
public SearchOptions Create(string compartmentType, string compartmentId, string resourceType, IReadOnlyList <Tuple <string, string> > queryParameters)
{
var searchOptions = new SearchOptions();
string continuationToken = null;
var searchParams = new SearchParams();
var unsupportedSearchParameters = new List <Tuple <string, string> >();
bool setDefaultBundleTotal = true;
// Extract the continuation token, filter out the other known query parameters that's not search related.
foreach (Tuple <string, string> query in queryParameters ?? Enumerable.Empty <Tuple <string, string> >())
{
if (query.Item1 == KnownQueryParameterNames.ContinuationToken)
{
// This is an unreachable case. The mapping of the query parameters makes it so only one continuation token can exist.
if (continuationToken != null)
{
throw new InvalidSearchOperationException(
string.Format(Core.Resources.MultipleQueryParametersNotAllowed, KnownQueryParameterNames.ContinuationToken));
}
try
{
continuationToken = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(query.Item2));
}
catch (FormatException)
{
throw new BadRequestException(Core.Resources.InvalidContinuationToken);
}
setDefaultBundleTotal = false;
}
else if (query.Item1 == KnownQueryParameterNames.Format || query.Item1 == KnownQueryParameterNames.Pretty)
{
// _format and _pretty are not search parameters, so we can ignore them.
}
else if (string.Equals(query.Item1, KnownQueryParameterNames.Type, StringComparison.OrdinalIgnoreCase))
{
if (string.IsNullOrWhiteSpace(query.Item2))
{
throw new BadRequestException(string.Format(Core.Resources.InvalidTypeParameter, query.Item2));
}
var types = query.Item2.SplitByOrSeparator();
var badTypes = types.Where(type => !ModelInfoProvider.IsKnownResource(type)).ToHashSet();
if (badTypes.Count != 0)
{
_contextAccessor.RequestContext?.BundleIssues.Add(
new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Warning,
OperationOutcomeConstants.IssueType.NotSupported,
string.Format(Core.Resources.InvalidTypeParameter, badTypes.OrderBy(x => x).Select(type => $"'{type}'").JoinByOrSeparator())));
if (badTypes.Count != types.Count)
{
// In case of we have acceptable types, we filter invalid types from search.
searchParams.Add(KnownQueryParameterNames.Type, types.Except(badTypes).JoinByOrSeparator());
}
else
{
// If all types are invalid, we add them to search params. If we remove them, we wouldn't filter by type, and return all types,
// which is incorrect behaviour. Optimally we should indicate in search options what it would yield nothing, and skip search,
// but there is no option for that right now.
searchParams.Add(KnownQueryParameterNames.Type, query.Item2);
}
}
else
{
searchParams.Add(KnownQueryParameterNames.Type, query.Item2);
}
}
else if (string.IsNullOrWhiteSpace(query.Item1) || string.IsNullOrWhiteSpace(query.Item2))
{
// Query parameter with empty value is not supported.
unsupportedSearchParameters.Add(query);
}
else if (string.Compare(query.Item1, KnownQueryParameterNames.Total, StringComparison.OrdinalIgnoreCase) == 0)
{
if (Enum.TryParse <TotalType>(query.Item2, true, out var totalType))
{
ValidateTotalType(totalType);
searchOptions.IncludeTotal = totalType;
setDefaultBundleTotal = false;
}
else
{
throw new BadRequestException(string.Format(Core.Resources.InvalidTotalParameter, query.Item2, SupportedTotalTypes));
}
}
else
{
// Parse the search parameters.
try
{
// Basic format checking (e.g. integer value for _count key etc.).
searchParams.Add(query.Item1, query.Item2);
}
catch (Exception ex)
{
throw new BadRequestException(ex.Message);
}
}
}
searchOptions.ContinuationToken = continuationToken;
if (setDefaultBundleTotal)
{
ValidateTotalType(_featureConfiguration.IncludeTotalInBundle);
searchOptions.IncludeTotal = _featureConfiguration.IncludeTotalInBundle;
}
// Check the item count.
if (searchParams.Count != null)
{
searchOptions.MaxItemCountSpecifiedByClient = true;
if (searchParams.Count > _featureConfiguration.MaxItemCountPerSearch)
{
searchOptions.MaxItemCount = _featureConfiguration.MaxItemCountPerSearch;
_contextAccessor.RequestContext?.BundleIssues.Add(
new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Information,
OperationOutcomeConstants.IssueType.Informational,
string.Format(Core.Resources.SearchParamaterCountExceedLimit, _featureConfiguration.MaxItemCountPerSearch, searchParams.Count)));
}
else
{
searchOptions.MaxItemCount = searchParams.Count.Value;
}
}
else
{
searchOptions.MaxItemCount = _featureConfiguration.DefaultItemCountPerSearch;
}
searchOptions.IncludeCount = _featureConfiguration.DefaultIncludeCountPerSearch;
if (searchParams.Elements?.Any() == true && searchParams.Summary != null && searchParams.Summary != SummaryType.False)
{
// The search parameters _elements and _summarize cannot be specified for the same request.
throw new BadRequestException(string.Format(Core.Resources.ElementsAndSummaryParametersAreIncompatible, KnownQueryParameterNames.Summary, KnownQueryParameterNames.Elements));
}
// Check to see if only the count should be returned
searchOptions.CountOnly = searchParams.Summary == SummaryType.Count;
// If the resource type is not specified, then the common
// search parameters should be used.
ResourceType[] parsedResourceTypes = new[] { ResourceType.DomainResource };
var searchExpressions = new List <Expression>();
if (string.IsNullOrWhiteSpace(resourceType))
{
// Try to parse resource types from _type Search Parameter
// This will result in empty array if _type has any modifiers
// Which is good, since :not modifier changes the meaning of the
// search parameter and we can no longer use it to deduce types
// (and should proceed with ResourceType.DomainResource in that case)
var resourceTypes = searchParams.Parameters
.Where(q => q.Item1 == KnownQueryParameterNames.Type) // <-- Equality comparison to avoid modifiers
.SelectMany(q => q.Item2.SplitByOrSeparator())
.Where(type => ModelInfoProvider.IsKnownResource(type))
.Select(x =>
{
if (!Enum.TryParse(x, out ResourceType parsedType))
{
// Should never get here
throw new ResourceNotSupportedException(x);
}
return(parsedType);
})
.Distinct();
if (resourceTypes.Any())
{
parsedResourceTypes = resourceTypes.ToArray();
}
}
else
{
if (!Enum.TryParse(resourceType, out parsedResourceTypes[0]))
{
throw new ResourceNotSupportedException(resourceType);
}
searchExpressions.Add(Expression.SearchParameter(_resourceTypeSearchParameter, Expression.StringEquals(FieldName.TokenCode, null, resourceType, false)));
}
var resourceTypesString = parsedResourceTypes.Select(x => x.ToString()).ToArray();
searchExpressions.AddRange(searchParams.Parameters.Select(
q =>
{
try
{
return(_expressionParser.Parse(resourceTypesString, q.Item1, q.Item2));
}
catch (SearchParameterNotSupportedException)
{
unsupportedSearchParameters.Add(q);
return(null);
}
})
.Where(item => item != null));
// Parse _include:iterate (_include:recurse) parameters.
// _include:iterate (_include:recurse) expression may appear without a preceding _include parameter
// when applied on a circular reference
searchExpressions.AddRange(ParseIncludeIterateExpressions(searchParams.Include, resourceTypesString, false));
searchExpressions.AddRange(ParseIncludeIterateExpressions(searchParams.RevInclude, resourceTypesString, true));
if (!string.IsNullOrWhiteSpace(compartmentType))
{
if (Enum.TryParse(compartmentType, out CompartmentType parsedCompartmentType))
{
if (string.IsNullOrWhiteSpace(compartmentId))
{
throw new InvalidSearchOperationException(Core.Resources.CompartmentIdIsInvalid);
}
searchExpressions.Add(Expression.CompartmentSearch(compartmentType, compartmentId));
}
else
{
throw new InvalidSearchOperationException(string.Format(Core.Resources.CompartmentTypeIsInvalid, compartmentType));
}
}
if (searchExpressions.Count == 1)
{
searchOptions.Expression = searchExpressions[0];
}
else if (searchExpressions.Count > 1)
{
searchOptions.Expression = Expression.And(searchExpressions.ToArray());
}
if (unsupportedSearchParameters.Any())
{
bool throwForUnsupported = false;
if (_contextAccessor.RequestContext?.RequestHeaders != null &&
_contextAccessor.RequestContext.RequestHeaders.TryGetValue(KnownHeaders.Prefer, out var values))
{
var handlingValue = values.FirstOrDefault(x => x.StartsWith("handling=", StringComparison.OrdinalIgnoreCase));
if (handlingValue != default)
{
handlingValue = handlingValue.Substring("handling=".Length);
if (string.IsNullOrWhiteSpace(handlingValue) || !Enum.TryParse <SearchParameterHandling>(handlingValue, true, out var handling))
{
throw new BadRequestException(string.Format(
Core.Resources.InvalidHandlingValue,
handlingValue,
string.Join(",", Enum.GetNames <SearchParameterHandling>())));
}
if (handling == SearchParameterHandling.Strict)
{
throwForUnsupported = true;
}
}
}
if (throwForUnsupported)
{
throw new BadRequestException(string.Format(
Core.Resources.SearchParameterNotSupported,
string.Join(",", unsupportedSearchParameters.Select(x => x.Item1)),
string.Join(",", resourceTypesString)));
}
else
{
foreach (var unsupported in unsupportedSearchParameters)
{
_contextAccessor.RequestContext?.BundleIssues.Add(new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Warning,
OperationOutcomeConstants.IssueType.NotSupported,
string.Format(CultureInfo.InvariantCulture, Core.Resources.SearchParameterNotSupported, unsupported.Item1, string.Join(",", resourceTypesString))));
}
}
}
searchOptions.UnsupportedSearchParams = unsupportedSearchParameters;
if (searchParams.Sort?.Count > 0)
{
var sortings = new List <(SearchParameterInfo, SortOrder)>(searchParams.Sort.Count);
bool sortingsValid = true;
foreach ((string, Hl7.Fhir.Rest.SortOrder)sorting in searchParams.Sort)
{
try
{
SearchParameterInfo searchParameterInfo = resourceTypesString.Select(t => _searchParameterDefinitionManager.GetSearchParameter(t, sorting.Item1)).Distinct().First();
sortings.Add((searchParameterInfo, sorting.Item2.ToCoreSortOrder()));
}
catch (SearchParameterNotSupportedException)
{
sortingsValid = false;
_contextAccessor.RequestContext?.BundleIssues.Add(new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Warning,
OperationOutcomeConstants.IssueType.NotSupported,
string.Format(CultureInfo.InvariantCulture, Core.Resources.SearchParameterNotSupported, sorting.Item1, string.Join(", ", resourceTypesString))));
}
}
if (sortingsValid)
{
if (!_sortingValidator.ValidateSorting(sortings, out IReadOnlyList <string> errorMessages))
{
if (errorMessages == null || errorMessages.Count == 0)
{
throw new InvalidOperationException($"Expected {_sortingValidator.GetType().Name} to return error messages when {nameof(_sortingValidator.ValidateSorting)} returns false");
}
sortingsValid = false;
foreach (var errorMessage in errorMessages)
{
_contextAccessor.RequestContext?.BundleIssues.Add(new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Warning,
OperationOutcomeConstants.IssueType.NotSupported,
errorMessage));
}
}
}
if (sortingsValid)
{
searchOptions.Sort = sortings;
}
}
if (searchOptions.Sort == null)
{
searchOptions.Sort = Array.Empty <(SearchParameterInfo searchParameterInfo, SortOrder sortOrder)>();
}
return(searchOptions);
IEnumerable <IncludeExpression> ParseIncludeIterateExpressions(
IList <(string query, IncludeModifier modifier)> includes, string[] typesString, bool isReversed)
{
return(includes.Select(p =>
{
var includeResourceTypeList = typesString;
var iterate = p.modifier == IncludeModifier.Iterate || p.modifier == IncludeModifier.Recurse;
if (iterate)
{
var includeResourceType = p.query?.Split(':')[0];
if (!ModelInfoProvider.IsKnownResource(includeResourceType))
{
throw new ResourceNotSupportedException(includeResourceType);
}
includeResourceTypeList = new[] { includeResourceType };
}
var expression = _expressionParser.ParseInclude(includeResourceTypeList, p.query, isReversed, iterate);
// Reversed Iterate expressions (not wildcard) must specify target type if there is more than one possible target type
if (expression.Reversed && expression.Iterate && expression.TargetResourceType == null &&
expression.ReferenceSearchParameter?.TargetResourceTypes?.Count > 1)
{
throw new BadRequestException(
string.Format(Core.Resources.RevIncludeIterateTargetTypeNotSpecified, p.query));
}
// For circular include iterate expressions, add an informational issue indicating that a single iteration is supported.
// See https://www.hl7.org/fhir/search.html#revinclude.
if (expression.Iterate && expression.CircularReference)
{
var issueProperty = string.Concat(isReversed ? "_revinclude" : "_include", ":", p.modifier.ToString().ToLowerInvariant());
_contextAccessor.RequestContext?.BundleIssues.Add(
new OperationOutcomeIssue(
OperationOutcomeConstants.IssueSeverity.Information,
OperationOutcomeConstants.IssueType.Informational,
string.Format(Core.Resources.IncludeIterateCircularReferenceExecutedOnce, issueProperty, p.query)));
}
return expression;
}));
}
void ValidateTotalType(TotalType totalType)
{
// Estimate is not yet supported.
if (totalType == TotalType.Estimate)
{
throw new SearchOperationNotSupportedException(string.Format(Core.Resources.UnsupportedTotalParameter, totalType, SupportedTotalTypes));
}
}
}
public Hl7.Fhir.Model.Bundle GetPatientByIdentifier(string system, string value)
{
if (string.IsNullOrWhiteSpace(system))
{
throw new ArgumentException("message", nameof(system));
}
if (string.IsNullOrWhiteSpace(value))
{
throw new ArgumentException("message", nameof(value));
}
var activity = new ActivityLog
{
ActivityTypeDescriptorId = (int)Entities.Activity.ActivityType.GET_PACIENTE_EN_BUS_BY_IDENTIFIER
};
//var baseUrl = "https://testapp.hospitalitaliano.org.ar/masterfile-federacion-service/fhir";
var baseUrl = _integrationServicesConfiguration.Services
.First(x => x.ServiceName == "BUS").BaseURL;
var client = new FhirClient(baseUrl);
client.PreferredFormat = ResourceFormat.Json;
client.OnBeforeRequest += (object sender, BeforeRequestEventArgs e) =>
{
var requestAdderss = e.RawRequest.Address.ToString();
activity.RequestIsURL = true;
activity.ActivityRequestUI = requestAdderss;
_logger.LogInformation($"Send Request Address:{requestAdderss}");
};
client.OnAfterResponse += (object sender, AfterResponseEventArgs e) =>
{
if (e.Body != null)
{
var responseBody = Encoding.UTF8.GetString(e.Body, 0, e.Body.Length);
//Prettify !!!
responseBody = JToken.Parse(responseBody).ToString();
activity.ResponseIsJson = true;
activity.ActivityResponse = $"Status: {e.RawResponse.StatusCode}";
activity.ActivityResponseBody = responseBody;
_logger.LogInformation($"Received response with status: {e.RawResponse.StatusCode}");
_logger.LogInformation($"Received response with body: {responseBody}");
}
};
Hl7.Fhir.Model.Bundle ret = null;
try
{
var qp = new SearchParams();
qp.Add("identifier", $"{system}|{value}");
ret = client.Search <Hl7.Fhir.Model.Patient>(qp);
_currentContext.RegisterActivityLog(activity);
}
catch (Exception ex)
{
_logger.LogError(ex.ToString());
throw ex;
}
return(ret);
}
/// <summary>
/// Check for outgoing messages
/// If new appts are found, they will be added, missing ones will be removed
/// (not a flush and add in again - as this will lose data)
/// </summary>
/// <param name="model"></param>
public static async System.Threading.Tasks.Task CheckAppointments(ArrivalsModel model)
{
var oldexptecting = model.Expecting.ToList();
var oldwaiting = model.Waiting.ToList();
var server = GetServerConnection();
var criteria = new SearchParams();
criteria.Add("date", "2020-03-19"); // TODO: Change this to today's date
criteria.Include.Add("Appointment:actor");
var bundle = await server.SearchAsync <Appointment>(criteria);
// Debugging
var doc = System.Xml.Linq.XDocument.Parse(new Hl7.Fhir.Serialization.FhirXmlSerializer().SerializeToString(bundle));
Console.WriteLine(doc.ToString(System.Xml.Linq.SaveOptions.None));
Func <ResourceReference, System.Threading.Tasks.Task <Resource> > resolveReference = async(reference) =>
{
if (string.IsNullOrEmpty(reference.Reference))
{
return(null);
}
ResourceIdentity ri = new ResourceIdentity(reference.Reference);
var resource = bundle.Entry.FirstOrDefault(e => e.Resource.ResourceType.GetLiteral() == ri.ResourceType && e.Resource.Id == ri.Id)?.Resource;
if (resource == null)
{
// wasn't returned in the bundle, so go searching for it
resource = await server.ReadAsync <Resource>(reference.Reference);
}
return(resource);
};
foreach (var entry in bundle.Entry.Select(e => e.Resource as Appointment).Where(e => e != null))
{
if (entry.Status == Appointment.AppointmentStatus.Booked)
{
PmsAppointment app = await ToPmsAppointment(entry, resolveReference);
if (app != null && !model.Expecting.Contains(app))
{
model.Expecting.Add(app);
}
}
if (entry.Status == Appointment.AppointmentStatus.Arrived)
{
PmsAppointment app = await ToPmsAppointment(entry, resolveReference);
if (app != null && !model.Waiting.Contains(app))
{
model.Waiting.Add(app);
}
}
}
// finished processing all the items, so remove any that are left
foreach (var item in oldexptecting)
{
model.Expecting.Remove(item);
}
foreach (var item in oldwaiting)
{
model.Waiting.Remove(item);
}
}
public SearchResourceViewModel GetResourceDetails(string patientId, string resouceInfo)
{
this.patientId = patientId;
this.resouceInfo = resouceInfo;
SearchResourceViewModel vm = new SearchResourceViewModel();
try
{
switch (resouceInfo)
{
//Patient Details
case "PatientInfo":
//Creating the endpoint url with patient patient parameter
var ResourceUrl = ("/Patient/" + patientId);
//Reading the Patient details using the FHIR Client
var patientDetailsRead = FhirClient.Read <Patient>(ResourceUrl);
//Serializing the data to json string
string patientDetails = fhirJsonSerializer.SerializeToString(patientDetailsRead);
//deserializing the json string to patient model
vm.patient = (Patient)fhirJsonParser.Parse(patientDetails, typeof(Patient));
//Displaying the Div element of the text section
vm.operationOutcomeError = vm.patient.Text == null ? string.Empty : vm.patient.Text.Div;
//Displaying the RAW json data in the view
vm.ResourceRawJsonData = JValue.Parse(patientDetails).ToString();
break;
//Patient Encounter Details
case "EncounterInfo":
//Adding the Parameter to the URL to get the Encounter related to specific patient using the SearchParams
parms.Add("patient", patientId);
//Searching the Encounter for the patient
var encounterDetailsRead = FhirClient.Search <Encounter>(parms);
//Serializing the data to json string
string encounterDetails = fhirJsonSerializer.SerializeToString(encounterDetailsRead);
//Parsing the json string
Bundle encounters = (Bundle)fhirJsonParser.Parse(encounterDetails, typeof(Bundle));
//Parsing the data to the encounter model
vm.encounters = encounters.Entry.Select(Resource => (Encounter)Resource.Resource).ToList();
//Displaying the Div element of the text section
foreach (var enc in vm.encounters)
{
vm.operationOutcomeError = enc.Text == null ? string.Empty : enc.Text.Div;
}
//Displaying the RAW json data in the view
vm.ResourceRawJsonData = JValue.Parse(encounterDetails).ToString();
break;
//Patient Medication Details
case "MedicationRequest":
//Adding the Parameter to the URL to get the Medication related to specific patient using the SearchParams
var Status = "active";
parms.Add("patient", patientId);
parms.Add("status", Status);
//Searching the Medication Request for the patient
var medicationDetailsRead = FhirClient.Search <MedicationRequest>(parms);
//Serializing the data to json string
string medicationDetails = fhirJsonSerializer.SerializeToString(medicationDetailsRead);
//Parsing the json string
Bundle medications = (Bundle)fhirJsonParser.Parse(medicationDetails, typeof(Bundle));
//Parsing the data to the medication model
vm.medicationRequest = medications.Entry.Select(Resource => (MedicationRequest)Resource.Resource).ToList();
//Displaying the Div element of the text section
foreach (var medreq in vm.medicationRequest)
{
vm.operationOutcomeError = medreq.Text == null ? string.Empty : medreq.Text.Div;
}
//Displaying the RAW json data in the view
vm.ResourceRawJsonData = JValue.Parse(medicationDetails).ToString();
break;
//Patient condition Details
case "ConditionInfo":
//Adding the Parameter to the URL to get the Condition related to specific patient using the SearchParams
parms.Add("patient", patientId);
//Searching the Conditons for the patient
var conditionDetailsRead = FhirClient.Search <Condition>(parms);
//Serializing the data to json string
string conditionDetails = fhirJsonSerializer.SerializeToString(conditionDetailsRead);
//Parsing the json string
Bundle conditions = (Bundle)fhirJsonParser.Parse(conditionDetails, typeof(Bundle));
//Parsing the data to the condition model
vm.conditions = conditions.Entry.Select(Resource => (Condition)Resource.Resource).ToList();
//Displaying the Div element of the text section
foreach (var con in vm.conditions)
{
vm.operationOutcomeError = con.Text == null ? string.Empty : con.Text.Div;
}
//Displaying the RAW json data in the view
vm.ResourceRawJsonData = JValue.Parse(conditionDetails).ToString();
break;
//Patient observation Details
case "ObservationInfo":
//Adding the Parameter to the URL to get the Observation related to specific patient using the SearchParams
parms.Add("patient", patientId);
//Searching the Observation Request for the patient
var observationDetailsRead = FhirClient.Search <Observation>(parms);
//Serializing the data to json string
string observationDetails = fhirJsonSerializer.SerializeToString(observationDetailsRead);
//Parsing the json string
Bundle observations = (Bundle)fhirJsonParser.Parse(observationDetails, typeof(Bundle));
//Parsing the data to the Observation model
vm.observations = observations.Entry.Select(Resource => (Observation)Resource.Resource).ToList();
//Displaying the Div element of the text section
foreach (var obs in vm.observations)
{
vm.operationOutcomeError = obs.Text == null ? string.Empty : obs.Text.Div;
}
//Displaying the RAW json data in the view
vm.ResourceRawJsonData = JValue.Parse(observationDetails).ToString();
break;
}
}
catch (FhirOperationException FhirOpExec)
{
var response = FhirOpExec.Outcome;
var errorDetails = fhirJsonSerializer.SerializeToString(response);
OperationOutcome error = (OperationOutcome)fhirJsonParser.Parse(errorDetails, typeof(OperationOutcome));
vm.operationOutcomeError = error.Text == null ? string.Empty : error.Text.Div;
vm.ResourceRawJsonData = JValue.Parse(errorDetails).ToString();
}
catch (WebException ex)
{
var response = new StreamReader(ex.Response.GetResponseStream()).ReadToEnd();
var error = JsonConvert.DeserializeObject(response);
vm.ResourceRawJsonData = error.ToString();
}
return(vm);
}
public System.Threading.Tasks.Task <Bundle> Search(IEnumerable <KeyValuePair <string, string> > parameters, int?Count, SummaryType summary)
{
Bundle result = new Bundle();
result.Meta = new Meta();
result.Id = new Uri("urn:uuid:" + Guid.NewGuid().ToString("n")).OriginalString;
result.Type = Bundle.BundleType.Searchset;
result.ResourceBase = RequestDetails.BaseUri;
result.Total = 0;
// If there was no count provided, we'll just default in a value
if (!Count.HasValue)
{
Count = 40;
}
// TODO: Thread the requests...
// System.Threading.Tasks.Parallel.ForEach(_members, async (member) =>
foreach (var member in _members)
{
try
{
// create a connection with the supported format type
FhirClient server = new FhirClient(member.Url);
member.PrepareFhirClientSecurity(server);
System.Diagnostics.Trace.WriteLine($"Searching {member.Url} {member.Name}");
server.PreferCompressedResponses = true;
server.PreferredFormat = member.Format;
SearchParams sp = new SearchParams();
foreach (var item in parameters)
{
if (item.Key == "_include")
{
sp.Include.Add(item.Value);
}
else
{
sp.Add(item.Key, item.Value);
}
}
sp.Count = Count;
sp.Summary = summary;
// Bundle partialResult = server.Search(sp, ResourceName);
Bundle partialResult = server.Search(sp, ResourceName);
lock (result)
{
if (partialResult.Total.HasValue)
{
result.Total += partialResult.Total;
}
foreach (var entry in partialResult.Entry)
{
result.Entry.Add(entry);
entry.Resource.ResourceBase = server.Endpoint;
if (entry.Resource.Meta == null)
{
entry.Resource.Meta = new Meta();
}
if (!string.IsNullOrEmpty(entry.Resource.Id))
{
entry.Resource.Meta.AddExtension("http://hl7.org/fhir/StructureDefinition/extension-Meta.source|3.2", new FhirUri(entry.Resource.ResourceIdentity(entry.Resource.ResourceBase).OriginalString));
}
var prov = member.CreateProvenance();
member.WithProvenance(prov, entry.Resource, entry.FullUrl);
result.Entry.Add(new Bundle.EntryComponent()
{
FullUrl = $"urn-uuid{Guid.NewGuid().ToString("D")}",
Search = new Bundle.SearchComponent()
{
Mode = Bundle.SearchEntryMode.Include
},
Resource = prov
});
}
OperationOutcome oe = new OperationOutcome();
oe.Issue.Add(new OperationOutcome.IssueComponent()
{
Severity = OperationOutcome.IssueSeverity.Information,
Code = OperationOutcome.IssueType.Informational,
Details = new CodeableConcept(null, null, $"Searching {member.Name} found {partialResult.Total} results"),
Diagnostics = partialResult.SelfLink?.OriginalString
});
result.Entry.Add(new Bundle.EntryComponent()
{
Search = new Bundle.SearchComponent()
{
Mode = Bundle.SearchEntryMode.Outcome
},
Resource = oe
});
}
}
catch (FhirOperationException ex)
{
if (ex.Outcome != null)
{
ex.Outcome.Issue.Insert(0, new OperationOutcome.IssueComponent()
{
Severity = OperationOutcome.IssueSeverity.Information,
Code = OperationOutcome.IssueType.Exception,
Details = new CodeableConcept(null, null, $"Exception Searching {member.Name}"),
Diagnostics = member.Url
});
result.Entry.Add(new Bundle.EntryComponent()
{
Search = new Bundle.SearchComponent()
{
Mode = Bundle.SearchEntryMode.Outcome
},
Resource = ex.Outcome
});
}
}
catch (Exception ex)
{
// some other weirdness went on
OperationOutcome oe = new OperationOutcome();
oe.Issue.Add(new OperationOutcome.IssueComponent()
{
Severity = OperationOutcome.IssueSeverity.Information,
Code = OperationOutcome.IssueType.Exception,
Details = new CodeableConcept(null, null, $"Exception Searching {member.Name}"),
Diagnostics = member.Url
});
oe.Issue.Add(new OperationOutcome.IssueComponent()
{
Severity = OperationOutcome.IssueSeverity.Error,
Code = OperationOutcome.IssueType.Exception,
Diagnostics = ex.Message
});
result.Entry.Add(new Bundle.EntryComponent()
{
Search = new Bundle.SearchComponent()
{
Mode = Bundle.SearchEntryMode.Outcome
},
Resource = oe
});
}
}
// TODO:Merge Sort the results?
// TODO:Mess with the back/next links
return(System.Threading.Tasks.Task.FromResult(result));
}
