private CertificationRM CreateCertificationForOperatingContext(Commands.V1.OperatingContext.Certification.CreateForOperatingContext cmd) { Certification certification = Certification.Create(_certifications++, cmd.CertificationStatusId, cmd.CertificationDateTime, cmd.DecertificationDateTime, cmd.IsInherited, cmd.OperatingContextId); if (_repository.CertificationExistsForOperatingContext(certification, cmd.OperatingContextId)) { throw new InvalidOperationException($"Certification already exists for Operating Context {cmd.OperatingContextId}"); } _repository.AddCertificationForOperatingContext(certification, cmd.OperatingContextId); return(Conversions.GetCertificationRM(certification)); }