public async Task <CurrentTreatmentOutputModel> GetCurrentTreatment(string patientId)
        {
            var activeDiagnoseId = await _diagnoseContext.Patients
                                   .Where(p => p.UserId == patientId)
                                   .Select(x => x.ActiveDiagnoseId)
                                   .SingleOrDefaultAsync();

            var treatment = await _diagnoseContext.Diagnoses
                            .Where(d => d.Treatment.DiagnoseId == activeDiagnoseId)
                            .Include(d => d.Treatment)
                            .Include(d => d.Doctor)
                            .Include(d => d.Patient)
                            .SingleOrDefaultAsync();

            if (treatment == null)
            {
                return(null);
            }

            var doctor = await _userManager.FindByIdAsync(treatment.Doctor.UserId);

            var patient = await _userManager.FindByIdAsync(treatment.Patient.UserId);

            var model = new CurrentTreatmentOutputModel()
            {
                DoctorName  = doctor.FirstName + " " + doctor.LastName,
                PatientName = patient.FirstName + " " + patient.LastName,
                AddedOn     = treatment.Treatment.Beginning.ToShortDateString(),
                Treatment   = StateTranslator.GetTreatmentDisplayName(treatment.Treatment.Surgery, treatment.Treatment.Radiation, treatment.Treatment.Chemeotherapy, treatment.Treatment.EndocrineTreatment),
                Description = StateTranslator.GetTreatmentDescription(treatment.Treatment.Surgery, treatment.Treatment.Radiation, treatment.Treatment.Chemeotherapy, treatment.Treatment.EndocrineTreatment)
            };

            return(model);
        }