private static bool CanExpand(this IEdmModel edmModel, IEdmStructuredType structuredType, IEdmProperty property)
{
// first for back-compability, check the queryable restriction
QueryableRestrictionsAnnotation annotation = EdmHelpers.GetPropertyRestrictions(property, edmModel);
if (annotation != null && annotation.Restrictions.NotExpandable)
{
return(false);
}
ModelBoundQuerySettings settings = edmModel.GetModelBoundQuerySettingsOrNull(structuredType, property);
if (settings != null && !settings.Expandable(property.Name))
{
return(false);
}
return(true);
}
public static bool IsAutoExpand(IEdmProperty navigationProperty,
IEdmProperty pathProperty, IEdmStructuredType pathStructuredType, IEdmModel edmModel,
bool isSelectPresent = false, ModelBoundQuerySettings querySettings = null)
{
QueryableRestrictionsAnnotation annotation = EdmHelpers.GetPropertyRestrictions(navigationProperty, edmModel);
if (annotation != null && annotation.Restrictions.AutoExpand)
{
return(!annotation.Restrictions.DisableAutoExpandWhenSelectIsPresent || !isSelectPresent);
}
if (querySettings == null)
{
querySettings = edmModel.GetModelBoundQuerySettings(pathProperty, pathStructuredType);
}
if (querySettings != null && querySettings.IsAutomaticExpand(navigationProperty.Name))
{
return(true);
}
return(false);
}