private IndexValue IndexResourceRecursively(Resource resource, IKey key, string rootPartName = "root")
{
var searchParametersForResource = _fhirModel.FindSearchParameters(resource.GetType());
if (searchParametersForResource != null)
{
var result = new IndexValue(rootPartName);
AddMetaParts(resource, key, result);
foreach (var par in searchParametersForResource)
{
var newIndexPart = new IndexValue(par.Code);
foreach (var path in par.GetPropertyPath())
{
_resourceVisitor.VisitByPath(resource,
obj =>
{
if (obj is Element)
{
newIndexPart.Values.AddRange(_elementIndexer.Map(obj as Element));
}
}
, path);
}
if (newIndexPart.Values.Any())
{
result.Values.Add(newIndexPart);
}
}
if (resource is DomainResource)
{
AddContainedResources((DomainResource)resource, result);
}
return(result);
}
return(null);
}
private IndexValue IndexResourceRecursively(Resource resource, IKey key, string rootPartName = "root")
{
var searchParameters = _fhirModel.FindSearchParameters(resource.GetType());
if (searchParameters == null)
{
return(null);
}
var rootIndexValue = new IndexValue(rootPartName);
AddMetaParts(resource, key, rootIndexValue);
ElementNavFhirExtensions.PrepareFhirSymbolTableFunctions();
foreach (var searchParameter in searchParameters)
{
if (string.IsNullOrWhiteSpace(searchParameter.Expression))
{
continue;
}
// TODO: Do we need to index composite search parameters, some
// of them are already indexed by ordinary search parameters so
// need to make sure that we don't do overlapping indexing.
if (searchParameter.Type == Hl7.Fhir.Model.SearchParamType.Composite)
{
continue;
}
var indexValue = new IndexValue(searchParameter.Code);
IEnumerable <Base> resolvedValues;
// HACK: Ignoring search parameter expressions which the FhirPath engine does not yet have support for
try
{
resolvedValues = resource.SelectNew(searchParameter.Expression);
}
catch// (Exception e)
{
// TODO: log error!
resolvedValues = new List <Base>();
}
foreach (var value in resolvedValues)
{
if (value is not Element element)
{
continue;
}
indexValue.Values.AddRange(_elementIndexer.Map(element));
}
if (indexValue.Values.Any())
{
rootIndexValue.Values.Add(indexValue);
}
}
if (resource is DomainResource domainResource)
{
AddContainedResources(domainResource, rootIndexValue);
}
return(rootIndexValue);
}
