private void GetPathContext()
{
if (Path != null)
{
IEdmProperty property;
IEdmStructuredType structuredType;
string name;
EdmLibHelpers.GetPropertyAndStructuredTypeFromPath(
Path.Segments,
out property,
out structuredType,
out name);
TargetProperty = property;
TargetStructuredType = structuredType;
TargetName = name;
}
else
{
TargetStructuredType = ElementType as IEdmStructuredType;
}
}
private static IEdmEntityTypeReference GetTypeReference(IEdmModel model, IEdmEntityType edmType, object value)
{
if (model == null || edmType == null || value == null)
{
return(null);
}
IEdmObject edmObject = value as IEdmEntityObject;
if (edmObject != null)
{
IEdmTypeReference edmTypeReference = edmObject.GetEdmType();
return(edmTypeReference.AsEntity());
}
IEdmTypeReference reference = EdmLibHelpers.GetEdmTypeReference(model, value.GetType());
if (reference != null && reference.Definition.IsOrInheritsFrom(edmType))
{
return((IEdmEntityTypeReference)reference);
}
return(null);
}
/// <inheritdoc/>
public IEdmTypeReference GetEdmType()
{
return(EdmLibHelpers.ToEdmTypeReference(_actualEdmType, IsNullable));
}
/// <summary>
/// Determine if the
/// </summary>
/// <param name="responseValue">The response value.</param>
/// <param name="singleResultCollection">The content as SingleResult.Queryable.</param>
/// <param name="actionDescriptor">The action context, i.e. action and controller name.</param>
/// <param name="modelFunction">A function to get the model.</param>
/// <param name="path">The OData path.</param>
/// <returns></returns>
private static bool ContainsAutoSelectExpandProperty(
object responseValue,
IQueryable singleResultCollection,
IWebApiActionDescriptor actionDescriptor,
Func <Type, IEdmModel> modelFunction,
ODataPath path)
{
Type elementClrType = GetElementType(responseValue, singleResultCollection, actionDescriptor);
IEdmModel model = modelFunction(elementClrType);
if (model == null)
{
throw Error.InvalidOperation(SRResources.QueryGetModelMustNotReturnNull);
}
IEdmType edmType = model.GetTypeMappingCache().GetEdmType(elementClrType, model)?.Definition;
IEdmEntityType baseEntityType = edmType as IEdmEntityType;
IEdmStructuredType structuredType = edmType as IEdmStructuredType;
IEdmProperty property = null;
if (path != null)
{
string name;
EdmLibHelpers.GetPropertyAndStructuredTypeFromPath(path.Segments, out property,
out structuredType,
out name);
}
if (baseEntityType != null)
{
List <IEdmEntityType> entityTypes = new List <IEdmEntityType>();
entityTypes.Add(baseEntityType);
entityTypes.AddRange(EdmLibHelpers.GetAllDerivedEntityTypes(baseEntityType, model));
foreach (var entityType in entityTypes)
{
IEnumerable <IEdmNavigationProperty> navigationProperties = entityType == baseEntityType
? entityType.NavigationProperties()
: entityType.DeclaredNavigationProperties();
if (navigationProperties != null)
{
if (navigationProperties.Any(
navigationProperty =>
EdmLibHelpers.IsAutoExpand(navigationProperty, property, entityType, model)))
{
return(true);
}
}
IEnumerable <IEdmStructuralProperty> properties = entityType == baseEntityType
? entityType.StructuralProperties()
: entityType.DeclaredStructuralProperties();
if (properties != null)
{
foreach (var edmProperty in properties)
{
if (EdmLibHelpers.IsAutoSelect(edmProperty, property, entityType, model))
{
return(true);
}
}
}
}
}
else if (structuredType != null)
{
IEnumerable <IEdmStructuralProperty> properties = structuredType.StructuralProperties();
if (properties != null)
{
foreach (var edmProperty in properties)
{
if (EdmLibHelpers.IsAutoSelect(edmProperty, property, structuredType, model))
{
return(true);
}
}
}
}
return(false);
}