Chain of responsibility

CriteriaHasEvaluation.cs

public class CriteriaHasEvaluation : RuleHandler {

    public override Label Run(Request request)
    {
         if(request.CriteriaHasEvaluation)
         {
            return request.Evaluation.IsEvaluated
                    ? request.Approve
                        ? request.Evaluation.IsApproved
                            ? Label.Approved
                            : Label.ApprovedOff
                        : !request.Evaluation.IsApproved
                            ? Label.ReprovedOn
                            : Label.ReprovedOff
                    : request.Approve
                        ? Label.ReprovedOff
          : Label.ReprovedOff;
        } else {
            return base.Run(request);
        }
    }
}