private List <VocabularyCode> GetCodes(TDBValueSet valueSet, DateTime?bindingDate)
{
List <ValueSetMember> members = valueSet.GetActiveMembers(bindingDate);
List <VocabularyCode> vocabularyCodes = new List <VocabularyCode>();
foreach (var vc in members)
{
VocabularyCode vocabularyCode = new VocabularyCode()
{
Value = vc.Code,
DisplayName = vc.DisplayName,
CodeSystem = vc.CodeSystem.Oid,
CodeSystemName = vc.CodeSystem.Name
};
if (this.isCDA && vocabularyCode.CodeSystem.StartsWith("urn:oid:"))
{
vocabularyCode.CodeSystem = vocabularyCode.CodeSystem.Substring(8);
}
vocabularyCodes.Add(vocabularyCode);
}
return(vocabularyCodes);
}
private void PopulateIdentifier(ValueSet valueSet, FhirValueSet fhirValueSet)
{
var existingIdentifiers = valueSet.Identifiers.Where(y => y.Type == ValueSetIdentifierTypes.HTTP).ToList();
// Remove HTTP identifiers that are not found in the FHIR ValueSet's identifiers
for (var i = existingIdentifiers.Count - 1; i >= 0; i--)
{
var existingIdentifier = existingIdentifiers[i];
if (!fhirValueSet.Identifier.Any(y => y.Value.ToLower().Trim() == existingIdentifier.Identifier.ToLower().Trim()))
{
this.tdb.ValueSetIdentifiers.Remove(existingIdentifier);
}
}
// Add identifiers from the FHIR ValueSet's identifiers that don't already exist
foreach (var fhirIdentifer in fhirValueSet.Identifier)
{
if (!existingIdentifiers.Any(y => y.Identifier.ToLower().Trim() == fhirIdentifer.Value.ToLower().Trim()))
{
valueSet.Identifiers.Add(new ValueSetIdentifier()
{
Type = ValueSetIdentifierTypes.HTTP,
Identifier = fhirIdentifer.Value
});
}
}
}
public HttpResponseMessage CreateValueSet(
[FromBody] FhirValueSet fhirValueSet,
[FromUri(Name = "_format")] string format = null)
{
var foundValueSets = (from vs in this.tdb.ValueSets
join vsi in this.tdb.ValueSetIdentifiers on vs.Id equals vsi.ValueSetId
join fvsi in fhirValueSet.Identifier on vsi.Identifier.ToLower().Trim() equals fvsi.Value.ToLower().Trim()
select vs)
.Distinct();
if (foundValueSets.Count() > 0)
{
throw new Exception("ValueSet already exists with this identifier. Use a PUT instead");
}
ValueSetImporter importer = new ValueSetImporter(this.tdb);
ValueSetExporter exporter = new ValueSetExporter(this.tdb);
ValueSet valueSet = importer.Convert(fhirValueSet);
this.tdb.ValueSets.Add(valueSet);
this.tdb.SaveChanges();
string location = string.Format("{0}://{1}/api/FHIR3/ValueSet/{2}",
this.Request.RequestUri.Scheme,
this.Request.RequestUri.Authority,
fhirValueSet.Id);
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("Location", location);
FhirValueSet createdFhirValueSet = exporter.Convert(valueSet);
return(Shared.GetResponseMessage(this.Request, format, createdFhirValueSet, statusCode: 201, headers: headers));
}
public HttpResponseMessage UpdateValueSet(
[FromBody] FhirValueSet fhirValueSet,
[FromUri] int valueSetId,
[FromUri(Name = "_format")] string format = null)
{
ValueSetExporter exporter = new ValueSetExporter(this.tdb);
ValueSetImporter importer = new ValueSetImporter(this.tdb);
ValueSet originalValueSet = this.tdb.ValueSets.Single(y => y.Id == valueSetId);
ValueSet newValueSet = importer.Convert(fhirValueSet, valueSet: originalValueSet);
if (originalValueSet == null)
{
this.tdb.ValueSets.Add(newValueSet);
}
this.tdb.SaveChanges();
string location = string.Format("{0}://{1}/api/FHIR3/ValueSet/{2}",
this.Request.RequestUri.Scheme,
this.Request.RequestUri.Authority,
fhirValueSet.Id);
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("Location", location);
FhirValueSet updatedFhirValueSet = exporter.Convert(newValueSet);
return(Shared.GetResponseMessage(this.Request, format, updatedFhirValueSet, originalValueSet != null ? 200 : 201, headers));
}
public HttpResponseMessage GetValueSetExpansion(
[FromUri] int valueSetId,
[FromUri(Name = "_format")] string format = null,
[FromUri(Name = "_summary")] SummaryType?summary = null)
{
ValueSet valueSet = this.tdb.ValueSets.Single(y => y.Id == valueSetId);
ValueSetExporter exporter = new ValueSetExporter(this.tdb);
FhirValueSet fhirValueSet = exporter.Convert(valueSet, summary);
return(Shared.GetResponseMessage(this.Request, format, fhirValueSet));
}
private T CreateImportValueSet(Trifolia.DB.ValueSet currentValueSet, VadsClient.ValueSet vadsValueSet)
{
T importValueSet = Activator.CreateInstance <T>();
importValueSet.Oid = vadsValueSet.oid;
importValueSet.Code = vadsValueSet.code;
importValueSet.Description = vadsValueSet.definitionText;
importValueSet.Name = vadsValueSet.name;
importValueSet.ImportSource = "PHIN VADS";
importValueSet.ImportStatus = DetermineValueSetStatus(importValueSet, currentValueSet);
return(importValueSet);
}
private T CreateImportValueSet(Trifolia.DB.ValueSet currentValueSet, VadsClient.ValueSet vadsValueSet, string importSourceId)
{
T importValueSet = Activator.CreateInstance <T>();
importValueSet.Oid = string.Format("urn:oid:{0}", vadsValueSet.oid);
importValueSet.Code = vadsValueSet.code;
importValueSet.Description = vadsValueSet.definitionText;
importValueSet.Name = vadsValueSet.name;
importValueSet.ImportSource = "PHIN VADS";
importValueSet.ImportSourceId = importSourceId;
importValueSet.ImportStatus = DetermineValueSetStatus(importValueSet, currentValueSet);
importValueSet.SourceUrl = "https://phinvads.cdc.gov/vads/ViewValueSet.action?oid=" + vadsValueSet.oid;
return(importValueSet);
}
private V CreateImportValueSetMember(Trifolia.DB.ValueSet currentValueSet, VadsClient.ValueSetConcept vadsConcept)
{
ValueSetMember currentMember = currentValueSet != null?
currentValueSet.Members.SingleOrDefault(y => y.Code == vadsConcept.conceptCode && y.CodeSystem.Oid == vadsConcept.codeSystemOid) :
null;
V importValueSetMember = Activator.CreateInstance <V>();
importValueSetMember.Code = vadsConcept.conceptCode;
importValueSetMember.CodeSystemOid = vadsConcept.codeSystemOid;
importValueSetMember.DisplayName = vadsConcept.codeSystemConceptName;
importValueSetMember.Status = ConvertStatus(vadsConcept.status);
importValueSetMember.StatusDate = vadsConcept.statusDate;
importValueSetMember.ImportStatus = DetermineValueSetMemberStatus(importValueSetMember, currentMember);
return(importValueSetMember);
}
public HttpResponseMessage CreateValueSet(
[FromBody] FhirValueSet fhirValueSet,
[FromUri(Name = "_format")] string format = null)
{
var fhirIdentifier = fhirValueSet.Identifier.Count > 0 ? fhirValueSet.Identifier.First() : null;
var fhirIdentifierValue = fhirIdentifier != null ? fhirIdentifier.Value : null;
if (fhirValueSet.Identifier != null && this.tdb.ValueSets.Count(y => y.Oid == fhirIdentifierValue) > 0)
{
throw new Exception("ValueSet already exists with this identifier. Use a PUT instead");
}
ValueSetImporter importer = new ValueSetImporter(this.tdb);
ValueSetExporter exporter = new ValueSetExporter(this.tdb);
ValueSet valueSet = importer.Convert(fhirValueSet);
if (valueSet.Oid == null)
{
valueSet.Oid = string.Empty;
}
if (this.tdb.ValueSets.Count(y => y.Oid == valueSet.Oid) > 0)
{
throw new Exception("A ValueSet with that identifier already exists");
}
this.tdb.ValueSets.AddObject(valueSet);
this.tdb.SaveChanges();
string location = string.Format("{0}://{1}/api/FHIR3/ValueSet/{2}",
this.Request.RequestUri.Scheme,
this.Request.RequestUri.Authority,
fhirValueSet.Id);
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("Location", location);
FhirValueSet createdFhirValueSet = exporter.Convert(valueSet);
return(Shared.GetResponseMessage(this.Request, format, createdFhirValueSet, statusCode: 201, headers: headers));
}
public int GetValueSetMemberLength(string valueSetOid)
{
try
{
int count = 0;
if (tdb.ValueSets.Any(y => y.Oid == valueSetOid))
{
TDBValueSet valueSet = tdb.ValueSets.SingleOrDefault(y => y.Oid == valueSetOid);
count = valueSet.Members.Count();
}
return(count);
}
catch (Exception ex)
{
Log.For(this).Critical("Error occurred while retrieving valueset member length for valueset oid '" + valueSetOid + "'.", ex);
throw;
}
}
private VocabularySystem GetSystem(IObjectRepository tdb, TDBValueSet valueSet, DateTime?bindingDate)
{
if (valueSet == null)
{
throw new Exception("Could not find ValueSet specified.");
}
VocabularySystems schema = new VocabularySystems();
VocabularySystem schemaValueSet = new VocabularySystem()
{
ValueSetOid = valueSet.Oid,
ValueSetName = valueSet.Name
};
if (isCDA && schemaValueSet.ValueSetOid.StartsWith("urn:oid:"))
{
schemaValueSet.ValueSetOid = schemaValueSet.ValueSetOid.Substring(8);
}
schemaValueSet.Codes = GetCodes(valueSet, bindingDate).ToArray();
return(schemaValueSet);
}
public string GetValueSet(string valueSetOid, int vocabOutputType, string encoding)
{
try
{
TDBValueSet valueSet = tdb.ValueSets.SingleOrDefault(y => y.Oid == valueSetOid);
if (valueSet == null)
{
throw new Exception("Could not find ValueSet specified.");
}
VocabularySystems schema = new VocabularySystems();
schema.Systems = new VocabularySystem[] { GetSystem(tdb, valueSet, DateTime.Now) };
VocabularyOutputTypeAdapter adapter = new VocabularyOutputTypeAdapter(schema, VocabularyOutputTypeTranslator.FromInt(vocabOutputType), Encoding.GetEncoding(encoding));
return(adapter.AsXML());
}
catch (Exception ex)
{
Log.For(this).Critical("Error occurred while retrieving a valueset for oid '" + valueSetOid + "'", ex);
throw;
}
}
private void PopulateIdentifier(ValueSet valueSet, string fhirIdentifier)
{
ValueSetIdentifier vsIdentifier = valueSet.Identifiers.FirstOrDefault(y => y.Type == ValueSetIdentifierTypes.HTTP);
if (vsIdentifier == null)
{
vsIdentifier = new ValueSetIdentifier()
{
Type = ValueSetIdentifierTypes.HTTP,
Identifier = fhirIdentifier
};
valueSet.Identifiers.Add(vsIdentifier);
}
else
{
vsIdentifier.Identifier = fhirIdentifier;
}
if (!valueSet.Identifiers.Any(y => y.IsDefault))
{
vsIdentifier.IsDefault = true;
}
}
protected override T BaseFindValueSet(IObjectRepository tdb, string oid)
{
hessiancsharp.client.CHessianProxyFactory factory = new hessiancsharp.client.CHessianProxyFactory();
VocabService vocabService = (VocabService)factory.Create(typeof(VocabService), AppSettings.PhinVadsServiceUrl);
ValueSetResultDto valueSetResults = null;
try
{
valueSetResults = vocabService.getValueSetByOid(oid);
if (!string.IsNullOrEmpty(valueSetResults.errorText))
{
throw new ExternalSourceConnectionException();
}
if (valueSetResults == null || valueSetResults.totalResults != 1)
{
return(null);
}
VadsClient.ValueSet valueSetResult = valueSetResults.valueSet[0];
Trifolia.DB.ValueSet currentValueSet = tdb.ValueSets.SingleOrDefault(y => y.Oid == oid);
T importValueSet = CreateImportValueSet(currentValueSet, valueSetResult);
ValueSetVersionResultDto versionResults = vocabService.getValueSetVersionsByValueSetOid(oid);
DateTime latestVersionDate = versionResults.valueSetVersions.Max(y => y.effectiveDate);
ValueSetVersion latestVersion = versionResults.valueSetVersions.Single(y => y.effectiveDate == latestVersionDate);
int cPage = 1;
ValueSetConceptResultDto valueSetConceptResults = vocabService.getValueSetConceptsByValueSetVersionId(latestVersion.id, cPage, MEMBER_PAGE_SIZE);
Dictionary <string, string> codeSystemNames = new Dictionary <string, string>();
while (valueSetConceptResults != null && valueSetConceptResults.valueSetConcepts != null && valueSetConceptResults.valueSetConcepts.Count > 0)
{
foreach (ValueSetConcept cValueSetConceptResult in valueSetConceptResults.valueSetConcepts)
{
V importValueSetMember = CreateImportValueSetMember(currentValueSet, cValueSetConceptResult);
importValueSet.Members.Add(importValueSetMember);
// Determine the code system name
if (codeSystemNames.ContainsKey(importValueSetMember.CodeSystemOid))
{
importValueSetMember.CodeSystemName = codeSystemNames[importValueSetMember.CodeSystemOid];
}
else
{
CodeSystemResultDto codeSystemResults = vocabService.getCodeSystemByOid(importValueSetMember.CodeSystemOid);
string codeSystemName = codeSystemResults.codeSystems[0].name;
importValueSetMember.CodeSystemName = codeSystemName;
codeSystemNames.Add(importValueSetMember.CodeSystemOid, codeSystemName);
}
}
valueSetConceptResults = vocabService.getValueSetConceptsByValueSetVersionId(latestVersion.id, ++cPage, MEMBER_PAGE_SIZE);
}
return(importValueSet);
}
catch (hessiancsharp.io.CHessianException che)
{
if (che.Message.Contains("404"))
{
return(null);
}
throw;
}
catch (Exception ex)
{
if (ex.Message.Contains("Unable to connect to the remote server"))
{
throw new ExternalSourceConnectionException();
}
throw;
}
}
public ValueSet Convert(FhirValueSet fhirValueSet, ValueSet valueSet = null)
{
string fhirDescription = fhirValueSet.Description != null ? fhirValueSet.Description.Value : null;
if (valueSet == null)
{
valueSet = new ValueSet();
}
if (valueSet.Name != fhirValueSet.Name)
{
valueSet.Name = fhirValueSet.Name;
}
if (valueSet.Description != fhirDescription)
{
valueSet.Description = fhirDescription;
}
if (fhirValueSet.Identifier == null)
{
throw new Exception("ValueSet.identifier.value is required");
}
this.PopulateIdentifier(valueSet, fhirValueSet);
if (fhirValueSet.Expansion != null)
{
foreach (var expContains in fhirValueSet.Expansion.Contains)
{
// Skip members that don't have a code or a code system
if (string.IsNullOrEmpty(expContains.Code) || string.IsNullOrEmpty(expContains.System))
{
continue;
}
CodeSystem codeSystem = this.tdb.CodeSystems.SingleOrDefault(y => y.Oid == expContains.System);
if (codeSystem == null)
{
codeSystem = new CodeSystem()
{
Oid = expContains.System,
Name = expContains.System
};
this.tdb.CodeSystems.Add(codeSystem);
}
ValueSetMember newMember = valueSet.Members.SingleOrDefault(y => y.CodeSystem == codeSystem && y.Code == expContains.Code);
if (newMember == null)
{
newMember = new ValueSetMember()
{
CodeSystem = codeSystem,
Code = expContains.Code
}
}
;
if (newMember.DisplayName != expContains.Display)
{
newMember.DisplayName = expContains.Display;
}
DateTime versionDateVal = DateTime.MinValue;
if (!DateTime.TryParse(fhirValueSet.Version, out versionDateVal))
{
DateTime.TryParse(fhirValueSet.Date, out versionDateVal);
}
DateTime?versionDate = versionDateVal != DateTime.MinValue ? (DateTime?)versionDateVal : null;
if (newMember.StatusDate != versionDate)
{
newMember.StatusDate = versionDate;
}
if (newMember.StatusDate != null && newMember.Status != "active")
{
newMember.Status = "active";
}
valueSet.Members.Add(newMember);
}
}
return(valueSet);
}
}
/// <summary>
/// Converts a Trifolia ValueSet model to a FHIR ValueSet model.
/// </summary>
/// <param name="valueSet">The Trifolia ValueSet model to convert to a FHIR model</param>
/// <param name="summaryType">Does not populate certain fields when a summaryType is specified.</param>
/// <param name="publishedValueSets">Optional list of ValueSets that are used by a published implementation guide. If not specified, queries the database for implementation guides that this value set may be published under.</param>
/// <returns>A FHIR ValueSet model</returns>
public FhirValueSet Convert(ValueSet valueSet, SummaryType?summaryType = null, IEnumerable <ValueSet> publishedValueSets = null, string baseUrl = null)
{
bool usedByPublishedIgs = false;
if (publishedValueSets == null)
{
var implementationGuides = (from tc in valueSet.Constraints
join t in this.tdb.Templates on tc.TemplateId equals t.Id
select t.OwningImplementationGuide);
usedByPublishedIgs = implementationGuides.Count(y => y.PublishStatus != null && y.PublishStatus.IsPublished) > 0;
}
else
{
usedByPublishedIgs = publishedValueSets.Contains(valueSet);
}
FhirValueSet fhirValueSet = new FhirValueSet()
{
Meta = new Meta()
{
ElementId = valueSet.Id.ToString()
},
Id = valueSet.GetFhirId(),
Name = valueSet.Name,
Status = usedByPublishedIgs ? PublicationStatus.Active : PublicationStatus.Draft,
Description = new Markdown(valueSet.Description),
Url = valueSet.GetIdentifier(ValueSetIdentifierTypes.HTTP)
};
// Handle urn:oid: and urn:hl7ii: identifiers differently if a base url is provided
// baseUrl is most likely provided when within the context of an implementation guide
if (fhirValueSet.Url != null)
{
if (fhirValueSet.Url.StartsWith("urn:oid:") && !string.IsNullOrEmpty(baseUrl))
{
fhirValueSet.Url = baseUrl.TrimEnd('/') + "/ValueSet/" + fhirValueSet.Url.Substring(8);
}
else if (fhirValueSet.Url.StartsWith("urn:hl7ii:") && !string.IsNullOrEmpty(baseUrl))
{
fhirValueSet.Url = baseUrl.TrimEnd('/') + "/ValueSet/" + fhirValueSet.Url.Substring(10);
}
}
List <ValueSetMember> activeMembers = valueSet.GetActiveMembers(DateTime.Now);
if (activeMembers.Count > 0)
{
// If the value set was created in Trifolia, then Trifolia contains the definition
// and it should be represented by <compose>
if (valueSet.ImportSource == null)
{
// Compose
var compose = new FhirValueSet.ComposeComponent();
fhirValueSet.Compose = compose;
foreach (var groupedMember in activeMembers.GroupBy(y => y.CodeSystem, y => y))
{
var include = new FhirValueSet.ConceptSetComponent();
compose.Include.Add(include);
include.System = groupedMember.Key.Oid;
foreach (var member in groupedMember)
{
include.Concept.Add(new FhirValueSet.ConceptReferenceComponent()
{
Code = member.Code,
Display = member.DisplayName
});
}
}
}
else
{
// If the value set was imported, then we have the expansion,
// but we don't have the defintion (the <compose>).
var expansion = new FhirValueSet.ExpansionComponent();
fhirValueSet.Expansion = expansion;
expansion.Identifier = fhirValueSet.Url;
expansion.Total = activeMembers.Count;
if (valueSet.LastUpdate != null)
{
expansion.TimestampElement = new FhirDateTime(valueSet.LastUpdate.Value);
}
else
{
expansion.TimestampElement = new FhirDateTime(DateTime.Now);
}
expansion.Contains = (from m in activeMembers
select new FhirValueSet.ContainsComponent()
{
System = m.CodeSystem.Oid,
Code = m.Code,
Display = m.DisplayName
}).ToList();
}
}
return(fhirValueSet);
}
/// <summary>
/// Converts a Trifolia ValueSet model to a FHIR ValueSet model.
/// </summary>
/// <param name="valueSet">The Trifolia ValueSet model to convert to a FHIR model</param>
/// <param name="summaryType">Does not populate certain fields when a summaryType is specified.</param>
/// <param name="publishedValueSets">Optional list of ValueSets that are used by a published implementation guide. If not specified, queries the database for implementation guides that this value set may be published under.</param>
/// <returns>A FHIR ValueSet model</returns>
public FhirValueSet Convert(ValueSet valueSet, SummaryType?summaryType = null, IEnumerable <ValueSet> publishedValueSets = null)
{
bool usedByPublishedIgs = false;
if (publishedValueSets == null)
{
var implementationGuides = (from tc in valueSet.Constraints
join t in this.tdb.Templates on tc.TemplateId equals t.Id
select t.OwningImplementationGuide);
usedByPublishedIgs = implementationGuides.Count(y => y.PublishStatus != null && y.PublishStatus.IsPublished) > 0;
}
else
{
usedByPublishedIgs = publishedValueSets.Contains(valueSet);
}
FhirValueSet fhirValueSet = new FhirValueSet()
{
Id = valueSet.GetFhirId(),
Name = valueSet.Name,
Status = usedByPublishedIgs ? ConformanceResourceStatus.Active : ConformanceResourceStatus.Draft,
Description = new Markdown(valueSet.Description),
Url = valueSet.Oid
};
if (summaryType == null || summaryType == SummaryType.Data)
{
var activeMembers = valueSet.GetActiveMembers(DateTime.Now);
if (activeMembers.Count > 0)
{
// Compose
var compose = new FhirValueSet.ComposeComponent();
fhirValueSet.Compose = compose;
foreach (var groupedMember in activeMembers.GroupBy(y => y.CodeSystem, y => y))
{
var include = new FhirValueSet.ConceptSetComponent();
compose.Include.Add(include);
include.System = groupedMember.Key.Oid;
foreach (var member in groupedMember)
{
include.Concept.Add(new FhirValueSet.ConceptReferenceComponent()
{
Code = member.Code,
Display = member.DisplayName
});
}
}
// Expansion
var expansion = new FhirValueSet.ExpansionComponent();
expansion.Identifier = string.Format("urn:uuid:{0}", Guid.NewGuid());
expansion.Timestamp = FhirDateTime.Now().ToString();
fhirValueSet.Expansion = expansion;
foreach (ValueSetMember vsMember in activeMembers)
{
var fhirMember = new FhirValueSet.ContainsComponent()
{
System = STU3Helper.FormatIdentifier(vsMember.CodeSystem.Oid),
Code = vsMember.Code,
Display = vsMember.DisplayName
};
expansion.Contains.Add(fhirMember);
}
}
}
return(fhirValueSet);
}
protected override T BaseFindValueSet(IObjectRepository tdb, string oid)
{
if (string.IsNullOrEmpty(oid))
{
throw new ArgumentNullException("oid");
}
oid = oid.Trim(); // Remove trailing spaces
Logging.Log.For(this).Trace("Creating client to connect to PHIN VADS at URL " + AppSettings.PhinVadsServiceUrl);
hessiancsharp.client.CHessianProxyFactory factory = new hessiancsharp.client.CHessianProxyFactory();
VocabService vocabService = (VocabService)factory.Create(typeof(VocabService), AppSettings.PhinVadsServiceUrl);
ValueSetResultDto valueSetResults = null;
try
{
Logging.Log.For(this).Trace("Retrieving value set from PHIN VADS");
valueSetResults = vocabService.getValueSetByOid(oid);
if (!string.IsNullOrEmpty(valueSetResults.errorText))
{
throw new ExternalSourceConnectionException();
}
if (valueSetResults == null || valueSetResults.totalResults != 1)
{
Logging.Log.For(this).Trace("No value set found when searching PHIN VADS for identifier " + oid);
return(null);
}
Logging.Log.For(this).Trace("Successfully retrieved one value set from PHIN VADS");
string searchOid = oid;
if (!searchOid.StartsWith("urn:oid:"))
{
searchOid = "urn:oid:" + searchOid;
}
VadsClient.ValueSet valueSetResult = valueSetResults.valueSet[0];
Trifolia.DB.ValueSet currentValueSet = (from vs in tdb.ValueSets
join vsi in tdb.ValueSetIdentifiers on vs.Id equals vsi.ValueSetId
where vsi.Identifier.ToLower().Trim() == searchOid.ToLower().Trim()
select vs)
.Distinct()
.FirstOrDefault();
T importValueSet = CreateImportValueSet(currentValueSet, valueSetResult, valueSetResult.oid);
ValueSetVersionResultDto versionResults = vocabService.getValueSetVersionsByValueSetOid(oid);
DateTime latestVersionDate = versionResults.valueSetVersions.Max(y => y.effectiveDate);
ValueSetVersion latestVersion = versionResults.valueSetVersions
.OrderByDescending(y => y.statusDate)
.First(y => y.effectiveDate == latestVersionDate);
int cPage = 1;
ValueSetConceptResultDto valueSetConceptResults = vocabService.getValueSetConceptsByValueSetVersionId(latestVersion.id, cPage, MEMBER_PAGE_SIZE);
Dictionary <string, string> codeSystemNames = new Dictionary <string, string>();
while (valueSetConceptResults != null && valueSetConceptResults.valueSetConcepts != null && valueSetConceptResults.valueSetConcepts.Count > 0)
{
foreach (ValueSetConcept cValueSetConceptResult in valueSetConceptResults.valueSetConcepts)
{
V importValueSetMember = CreateImportValueSetMember(currentValueSet, cValueSetConceptResult);
importValueSet.Members.Add(importValueSetMember);
// Determine the code system name
if (codeSystemNames.ContainsKey(importValueSetMember.CodeSystemOid))
{
importValueSetMember.CodeSystemName = codeSystemNames[importValueSetMember.CodeSystemOid];
}
else
{
string vadsCodeSystemOid = importValueSetMember.CodeSystemOid;
if (vadsCodeSystemOid.StartsWith("urn:oid:"))
{
vadsCodeSystemOid = vadsCodeSystemOid.Substring(8);
}
CodeSystemResultDto codeSystemResults = vocabService.getCodeSystemByOid(vadsCodeSystemOid);
string codeSystemName = codeSystemResults.codeSystems[0].name;
importValueSetMember.CodeSystemName = codeSystemName;
codeSystemNames.Add(importValueSetMember.CodeSystemOid, codeSystemName);
}
}
valueSetConceptResults = vocabService.getValueSetConceptsByValueSetVersionId(latestVersion.id, ++cPage, MEMBER_PAGE_SIZE);
}
return(importValueSet);
}
catch (hessiancsharp.io.CHessianException che)
{
Logging.Log.For(this).Critical("Hessian error communicating with PHIN VADS", che);
if (che.Message.Contains("404"))
{
return(null);
}
throw;
}
catch (Exception ex)
{
Logging.Log.For(this).Critical("General error finding value set in PHIN VADS", ex);
if (ex.Message.Contains("Unable to connect to the remote server"))
{
throw new ExternalSourceConnectionException();
}
throw;
}
}