Mercury-IM/app/src/main/java/org/mercury_im/messenger/ui/roster/contacts/ContactListViewModel.java

55 lines
1.8 KiB
Java

package org.mercury_im.messenger.ui.roster.contacts;
import android.util.Log;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.ViewModel;
import org.mercury_im.messenger.MercuryImApplication;
import org.mercury_im.messenger.xmpp.model.ContactModel;
import org.mercury_im.messenger.xmpp.repository.RosterRepository;
import java.util.List;
import javax.inject.Inject;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.CompositeDisposable;
import io.reactivex.schedulers.Schedulers;
public class ContactListViewModel extends ViewModel {
@Inject
RosterRepository rosterRepository;
private final MutableLiveData<List<ContactModel>> rosterEntryList = new MutableLiveData<>();
private final CompositeDisposable compositeDisposable = new CompositeDisposable();
public ContactListViewModel() {
super();
MercuryImApplication.getApplication().getAppComponent().inject(this);
Log.d("ContactListViewModel", "Start observing database");
// Subscribe to changes to the contacts table and update the LiveData object for the UI.
compositeDisposable.add(rosterRepository.getAllContacts()
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(o -> {
List<ContactModel> list = o.toList();
Log.d("ContactListViewModel", "Room changed contacts: " + list.size());
rosterEntryList.setValue(list);
}));
}
@Override
protected void onCleared() {
super.onCleared();
compositeDisposable.clear();
}
public LiveData<List<ContactModel>> getRosterEntryList() {
return rosterEntryList;
}
}