protected override Expression VisitMemberExpression(MemberExpression expression)
{
if (!IsMemberOfModel(expression))
{
return base.VisitMemberExpression(expression);
}
if (expression.IsGroupingKeyOf(_groupBy))
{
return _groupBy.KeySelector;
}
var elementSelector = _groupBy.ElementSelector;
if ((elementSelector is MemberExpression) || (elementSelector is QuerySourceReferenceExpression))
{
// If ElementSelector is MemberExpression, just return
return base.VisitMemberExpression(expression);
}
if ((elementSelector is NewExpression || elementSelector.NodeType == ExpressionType.Convert)
&& elementSelector.Type == expression.Expression.Type)
{
//TODO: probably we should check this with a visitor
return Expression.MakeMemberAccess(elementSelector, expression.Member);
}
throw new NotImplementedException();
}
protected override Expression VisitMemberExpression(MemberExpression expression)
{
if (expression.IsGroupingKeyOf(_groupBy))
{
return _groupBy.KeySelector;
}
return base.VisitMemberExpression(expression);
}