ViewModel

public class PatientsSeenViewModel extends ViewModel {
    private static final String TAG = "PatientsSeenViewModel";


    private FiltersRepository filtersRepository;
    private PatientSeenRepository patientSeenRepository;

    private String mApiUrl;
    private String mAuthToken;

    private MutableLiveData<PatientsSeenData> mPatientsSeen;
    private MutableLiveData<PatientSeenSummaryData> mSummaryData;

    public PatientsSeenViewModel(String apiUrl, String authToken) {
        mApiUrl = apiUrl;
        mAuthToken = authToken;
        init();
    }

    private void init() {
        if (mPatientsSeen != null) {
            return;
        }
        filtersRepository = new FiltersRepository(mApiUrl, mAuthToken);
        patientSeenRepository = new PatientSeenRepository(mApiUrl, mAuthToken);
    }

    public LiveData<PatientsSeenData> getPatientsSeen(Filters filters){
        mPatientsSeen = patientSeenRepository.getPatientsSeenData(filters);
        return mPatientsSeen;
    }

    public LiveData<PatientSeenSummaryData> getPatientsSeenSummaryData(Filters filters){
        Log.i(TAG, "SummaryData getPatientsSeenSummaryData: update request sent");
        mSummaryData = patientSeenRepository.getPatientSeenSummaryData(filters);
        Log.i(TAG, "SummaryData getPatientsSeenSummaryData: update request updated");
        return mSummaryData;
    }

    public void setPatientsSeenSummary(PatientSeenSummaryData patientsSeenSummary){
        mSummaryData.postValue(patientsSeenSummary);
    }

}