private Trifolia.DB.CodeSystem FindOrAddCodeSystem(IObjectRepository tdb, string codeSystemOid, string codeSystemName)
{
Trifolia.DB.CodeSystem foundCodeSystem = addedCodeSystems.SingleOrDefault(y => y.Oid == codeSystemOid);
// If we haven't added the code system as part of this save, search the database for the code system
if (foundCodeSystem == null)
{
foundCodeSystem = tdb.CodeSystems.FirstOrDefault(y => y.Oid == codeSystemOid);
}
// If no code system was found that we added recently, and it was not found in the database, create a new one
if (foundCodeSystem == null)
{
foundCodeSystem = new CodeSystem()
{
Oid = codeSystemOid,
Name = codeSystemName,
LastUpdate = DateTime.Now
};
tdb.CodeSystems.Add(foundCodeSystem);
addedCodeSystems.Add(foundCodeSystem);
}
return(foundCodeSystem);
}
private void SetProperties(CodeSystem codeSystem)
{
}
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);
}
}