public override FilterExpression?OnApplyFilter(FilterExpression?existingFilter)
{
base.OnApplyFilter(existingFilter);
if (_clientSettingsProvider.ArePlanetsWithPrivateNameHidden)
{
AttrAttribute privateNameAttribute = ResourceType.GetAttributeByPropertyName(nameof(Planet.PrivateName));
FilterExpression hasNoPrivateName = new ComparisonExpression(ComparisonOperator.Equals, new ResourceFieldChainExpression(privateNameAttribute),
NullConstantExpression.Instance);
return(LogicalExpression.Compose(LogicalOperator.And, hasNoPrivateName, existingFilter));
}
return(existingFilter);
}