Chain of responsibility

CriteriaHasEvaluation.cs

if (request.CriteriaHasEvaluation)
{
      return request.Evaluation.IsEvaluated
          ? request.Approve
              ? request.Evaluation.IsApproved
                  ? "approvedOn"
                  : "approvedOff"
              : !request.Evaluation.IsApproved
                  ? "reprovedOn"
                  : "reprovedOff"
          : request.Approve
              ? "approvedOff"
              : "reprovedOff";
}