/// <summary>
/// Gets the @id value of the element/constraint.
/// </summary>
/// <param name="constraint"></param>
/// <returns></returns>
/// <remarks>Creates the value based on the context of the constraint and each parent, and based on whether the parents are a branch</remarks>
public static string GetElementId(this TemplateConstraint constraint)
{
string elementId = string.Empty;
TemplateConstraint current = constraint;
bool checkBranch = true;
while (current != null)
{
string separator = current.IsChoice ? ":" : ".";
if (!string.IsNullOrEmpty(elementId))
{
elementId = separator + elementId;
}
if (checkBranch && current.IsBranch)
{
elementId = current.GetElementPath(constraint.Template.PrimaryContextType) + ":" + current.GetSliceName() + elementId;
checkBranch = false;
}
else
{
elementId = current.Context + elementId;
}
current = current.ParentConstraint;
}
if (checkBranch)
{
return(constraint.Template.PrimaryContextType + "." + elementId);
}
return(elementId);
}
public void GetFHIRElementPathTest()
{
TemplateConstraint tc1 = new TemplateConstraint();
tc1.Context = "extension";
TemplateConstraint tc2 = new TemplateConstraint();
tc2.Context = "value[x]";
tc2.IsChoice = true;
tc2.ParentConstraint = tc1;
TemplateConstraint tc3 = new TemplateConstraint();
tc3.Context = "valueCodeableConcept";
tc3.ParentConstraint = tc2;
string path1 = tc1.GetElementPath("Observation");
string path2 = tc2.GetElementPath("Observation");
string path3 = tc3.GetElementPath("Observation");
Assert.AreEqual("Observation.extension", path1);
Assert.AreEqual("Observation.extension.value[x]", path2);
Assert.AreEqual("Observation.extension.valueCodeableConcept", path3);
}
public void CreateElementDefinition(
StructureDefinition strucDef,
TemplateConstraint constraint,
SimpleSchema.SchemaObject schemaObject)
{
if (constraint.IsPrimitive) // Skip primitives (for now, at least)
{
return;
}
string sliceName = constraint.GetSliceName();
string elementPath = constraint.GetElementPath(strucDef.Type != null ? strucDef.Type.ToString() : null);
var igSettings = GetIGSettings(constraint);
var constraintFormatter = FormattedConstraintFactory.NewFormattedConstraint(this.tdb, igSettings, this.igTypePlugin, constraint);
string definition = constraintFormatter.GetPlainText(false, false, false);
if (definition == null)
{
definition = string.Empty;
}
ElementDefinition newElementDef = new ElementDefinition()
{
Short = !string.IsNullOrEmpty(constraint.Label) ? constraint.Label : constraint.Context,
Label = !string.IsNullOrEmpty(constraint.Label) ? constraint.Label : null,
Comment = !string.IsNullOrEmpty(constraint.Notes) ? constraint.Notes : null,
Path = elementPath,
SliceName = sliceName,
Definition = definition,
ElementId = constraint.GetElementId()
};
if (constraint.IsChoice)
{
newElementDef.Slicing = new ElementDefinition.SlicingComponent();
newElementDef.Slicing.Discriminator.Add(new ElementDefinition.DiscriminatorComponent()
{
Type = ElementDefinition.DiscriminatorType.Type,
Path = "$this"
});
newElementDef.Slicing.Rules = ElementDefinition.SlicingRules.Open;
}
else if (constraint.Parent != null && constraint.Parent.IsChoice)
{
newElementDef.SliceName = constraint.Context;
}
// Cardinality
if (!string.IsNullOrEmpty(constraint.Cardinality))
{
newElementDef.Min = constraint.CardinalityType.Left;
newElementDef.Max = constraint.CardinalityType.Right == Cardinality.MANY ? "*" : constraint.CardinalityType.Right.ToString();
}
// Binding
string valueConformance = string.IsNullOrEmpty(constraint.ValueConformance) ? constraint.Conformance : constraint.ValueConformance;
bool hasBinding = constraint.References.Any(y => y.ReferenceType == ConstraintReferenceTypes.Template);
if (constraint.ValueSet != null && valueConformance.IndexOf("NOT") < 0)
{
hasBinding = true;
newElementDef.Binding = new ElementDefinition.ElementDefinitionBindingComponent()
{
ValueSet = new ResourceReference()
{
Reference = constraint.ValueSet.GetIdentifier(ValueSetIdentifierTypes.HTTP),
Display = constraint.ValueSet.Name
}
};
if (valueConformance == "SHALL")
{
newElementDef.Binding.Strength = BindingStrength.Required;
}
else if (valueConformance == "SHOULD")
{
newElementDef.Binding.Strength = BindingStrength.Preferred;
}
else if (valueConformance == "MAY")
{
newElementDef.Binding.Strength = BindingStrength.Example;
}
}
// Single-Value Binding
if (schemaObject != null && (!string.IsNullOrEmpty(constraint.Value) || !string.IsNullOrEmpty(constraint.DisplayName)))
{
Element elementBinding = null;
hasBinding = true;
switch (schemaObject.DataType)
{
case "CodeableConcept":
var codableConceptBinding = new CodeableConcept();
var coding = new Coding();
codableConceptBinding.Coding.Add(coding);
if (!string.IsNullOrEmpty(constraint.Value))
{
coding.Code = constraint.Value;
}
if (constraint.CodeSystem != null)
{
coding.System = constraint.CodeSystem.Oid;
}
if (!string.IsNullOrEmpty(constraint.DisplayName))
{
coding.Display = constraint.DisplayName;
}
elementBinding = codableConceptBinding;
break;
case "Coding":
var codingBinding = new Coding();
if (!string.IsNullOrEmpty(constraint.Value))
{
codingBinding.Code = constraint.Value;
}
if (constraint.CodeSystem != null)
{
codingBinding.System = constraint.CodeSystem.Oid;
}
if (!string.IsNullOrEmpty(constraint.DisplayName))
{
codingBinding.Display = constraint.DisplayName;
}
elementBinding = codingBinding;
break;
case "code":
var codeBinding = new Code();
codeBinding.Value = !string.IsNullOrEmpty(constraint.Value) ? constraint.Value : constraint.DisplayName;
elementBinding = codeBinding;
break;
default:
var stringBinding = new FhirString();
stringBinding.Value = !string.IsNullOrEmpty(constraint.Value) ? constraint.Value : constraint.DisplayName;
elementBinding = stringBinding;
break;
}
if (constraint.IsFixed)
{
newElementDef.Fixed = elementBinding;
}
else
{
newElementDef.Pattern = elementBinding;
}
}
// Add the type of the element when bound to a value set
if (hasBinding && schemaObject != null && !string.IsNullOrEmpty(schemaObject.DataType))
{
StructureDefinition profile = GetBaseProfile(constraint.Template);
newElementDef.Type = GetProfileDataTypes(profile, constraint);
var containedTemplates = (from tcr in constraint.References
join t in this.tdb.Templates on tcr.ReferenceIdentifier equals t.Oid
where tcr.ReferenceType == ConstraintReferenceTypes.Template
select new { Identifier = t.Oid, t.PrimaryContextType });
// If there is a contained template/profile, make sure it supports a "Reference" type, and then output the profile identifier in the type
if (containedTemplates.Count() > 0 && newElementDef.Type.Exists(y => y.Code == "Reference" || y.Code == "Extension"))
{
if (!string.IsNullOrEmpty(newElementDef.SliceName))
{
var foundMatchingElement = strucDef.Differential.Element.SingleOrDefault(y => y.Path == newElementDef.Path && y.SliceName == newElementDef.SliceName);
if (foundMatchingElement != null)
{
foundMatchingElement.Definition += " " + definition;
newElementDef = foundMatchingElement;
}
}
var containedTypes = new List <ElementDefinition.TypeRefComponent>();
foreach (var containedTemplate in containedTemplates)
{
bool isExtension = containedTemplate.PrimaryContextType == "Extension" && newElementDef.Type.Exists(y => y.Code == "Extension");
containedTypes.Add(new ElementDefinition.TypeRefComponent()
{
Code = isExtension ? "Extension" : "Reference",
Profile = isExtension ? containedTemplate.Identifier : null,
TargetProfile = !isExtension ? containedTemplate.Identifier : null
});
}
newElementDef.Type = containedTypes;
}
}
// Add the element to the list if it's new
if (!strucDef.Differential.Element.Contains(newElementDef))
{
strucDef.Differential.Element.Add(newElementDef);
}
// Children
foreach (var childConstraint in constraint.ChildConstraints.OrderBy(y => y.Order))
{
var childSchemaObject = schemaObject != null?schemaObject.Children.SingleOrDefault(y => y.Name == childConstraint.Context) : null;
CreateElementDefinition(strucDef, childConstraint, childSchemaObject);
}
}
public void CreateElementDefinition(
StructureDefinition strucDef,
TemplateConstraint constraint,
SimpleSchema.SchemaObject schemaObject,
string sliceName = null)
{
if (constraint.IsPrimitive) // Skip primitives (for now, at least)
{
return;
}
string newSliceName = null;
if (constraint.IsBranch)
{
newSliceName = string.Format("{0}_slice_pos{1}", constraint.Context, constraint.Order);
}
var igSettings = GetIGSettings(constraint);
var constraintFormatter = FormattedConstraintFactory.NewFormattedConstraint(this.tdb, igSettings, this.igTypePlugin, constraint);
ElementDefinition newElementDef = new ElementDefinition()
{
Short = !string.IsNullOrEmpty(constraint.Label) ? constraint.Label : constraint.Context,
Label = !string.IsNullOrEmpty(constraint.Label) ? constraint.Label : null,
Comments = !string.IsNullOrEmpty(constraint.Notes) ? constraint.Notes : null,
Path = constraint.GetElementPath(strucDef.ConstrainedType),
Name = constraint.IsBranch ? newSliceName : sliceName,
Definition = constraintFormatter.GetPlainText(false, false, false)
};
// Cardinality
if (!string.IsNullOrEmpty(constraint.Cardinality))
{
newElementDef.Min = constraint.CardinalityType.Left;
newElementDef.Max = constraint.CardinalityType.Right == Cardinality.MANY ? "*" : constraint.CardinalityType.Right.ToString();
}
// Binding
string valueConformance = string.IsNullOrEmpty(constraint.ValueConformance) ? constraint.Conformance : constraint.ValueConformance;
bool hasBinding = constraint.References.Any(y => y.ReferenceType == ConstraintReferenceTypes.Template);
if (constraint.ValueSet != null && valueConformance.IndexOf("NOT") < 0)
{
hasBinding = true;
newElementDef.Binding = new ElementDefinition.ElementDefinitionBindingComponent()
{
ValueSet = new ResourceReference()
{
Reference = string.Format("ValueSet/{0}", constraint.ValueSet.Id),
Display = constraint.ValueSet.Name
}
};
if (valueConformance == "SHALL")
{
newElementDef.Binding.Strength = BindingStrength.Required;
}
else if (valueConformance == "SHOULD")
{
newElementDef.Binding.Strength = BindingStrength.Preferred;
}
else if (valueConformance == "MAY")
{
newElementDef.Binding.Strength = BindingStrength.Example;
}
}
// Single-Value Binding
if (schemaObject != null && (!string.IsNullOrEmpty(constraint.Value) || !string.IsNullOrEmpty(constraint.DisplayName)))
{
hasBinding = true;
switch (schemaObject.DataType)
{
case "CodeableConcept":
var fixedCodeableConcept = new CodeableConcept();
var coding = new Coding();
fixedCodeableConcept.Coding.Add(coding);
if (!string.IsNullOrEmpty(constraint.Value))
{
coding.Code = constraint.Value;
}
if (constraint.CodeSystem != null)
{
coding.System = constraint.CodeSystem.Oid;
}
if (!string.IsNullOrEmpty(constraint.DisplayName))
{
coding.Display = constraint.DisplayName;
}
newElementDef.Fixed = fixedCodeableConcept;
break;
case "Coding":
var fixedCoding = new Coding();
if (!string.IsNullOrEmpty(constraint.Value))
{
fixedCoding.Code = constraint.Value;
}
if (constraint.CodeSystem != null)
{
fixedCoding.System = constraint.CodeSystem.Oid;
}
if (!string.IsNullOrEmpty(constraint.DisplayName))
{
fixedCoding.Display = constraint.DisplayName;
}
newElementDef.Fixed = fixedCoding;
break;
case "code":
var fixedCode = new Code();
fixedCode.Value = !string.IsNullOrEmpty(constraint.Value) ? constraint.Value : constraint.DisplayName;
newElementDef.Fixed = fixedCode;
break;
default:
var fixedString = new FhirString();
fixedString.Value = !string.IsNullOrEmpty(constraint.Value) ? constraint.Value : constraint.DisplayName;
newElementDef.Fixed = fixedString;
break;
}
}
// Add the type of the element when bound to a value set
if (hasBinding && schemaObject != null && !string.IsNullOrEmpty(schemaObject.DataType))
{
StructureDefinition profile = GetBaseProfile(constraint.Template);
newElementDef.Type = GetProfileDataTypes(profile, constraint);
var containedTemplates = (from tcr in constraint.References
join t in this.tdb.Templates on tcr.ReferenceIdentifier equals t.Oid
where tcr.ReferenceType == ConstraintReferenceTypes.Template
select new { Identifier = t.Oid, t.PrimaryContextType });
// If there is a contained template/profile, make sure it supports a "Reference" type, and then output the profile identifier in the type
if (containedTemplates.Count() > 0 && newElementDef.Type.Exists(y => y.Code == "Reference" || y.Code == "Extension"))
{
var containedTypes = new List <ElementDefinition.TypeRefComponent>();
foreach (var containedTemplate in containedTemplates)
{
bool isExtension = containedTemplate.PrimaryContextType == "Extension" && newElementDef.Type.Exists(y => y.Code == "Extension");
containedTypes.Add(new ElementDefinition.TypeRefComponent()
{
Code = isExtension ? "Extension" : "Reference",
Profile = new List <string>(new string[] { containedTemplate.Identifier })
});
}
newElementDef.Type = containedTypes;
}
}
// Add the element to the list
strucDef.Differential.Element.Add(newElementDef);
// Children
foreach (var childConstraint in constraint.ChildConstraints.OrderBy(y => y.Order))
{
var childSchemaObject = schemaObject != null?schemaObject.Children.SingleOrDefault(y => y.Name == childConstraint.Context) : null;
CreateElementDefinition(strucDef, childConstraint, childSchemaObject, newSliceName);
}
}
