public List <Diagnosis> GetDiagnoses(int patientId) { var diagnoses = patientMapper.GetDiagnoses(patientId); if (diagnoses == null) { return(null); } var diagnosesList = new List <Diagnosis>(); foreach (var diagnosis in diagnoses) { diagnosesList.Add(new Diagnosis() { Id = diagnosis.Id, PatientId = diagnosis.PatientId, Date = diagnosis.Date, DisName = diagnosis.DisName, Symptoms = diagnosis.Symptoms, Therapy = diagnosis.Therapy }); } return(diagnosesList); }