package io.hefuyi.listener.mvp.presenter;
import java.util.List;
import io.hefuyi.listener.mvp.contract.PlaylistContract;
import io.hefuyi.listener.mvp.model.Playlist;
import io.hefuyi.listener.mvp.usecase.GetPlaylists;
import rx.Subscription;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action1;
import rx.schedulers.Schedulers;
import rx.subscriptions.CompositeSubscription;
/**
* Created by hefuyi on 2016/12/4.
*/
public class PlaylistPresenter implements PlaylistContract.Presenter{
private GetPlaylists mUsecase;
private PlaylistContract.View mView;
private CompositeSubscription mCompositeSubscription;
public PlaylistPresenter(GetPlaylists getPlaylists) {
mUsecase = getPlaylists;
}
@Override
public void attachView(PlaylistContract.View view) {
mView = view;
mCompositeSubscription = new CompositeSubscription();
}
@Override
public void subscribe() {
loadPlaylist();
}
@Override
public void unsubscribe() {
mCompositeSubscription.clear();
}
@Override
public void loadPlaylist() {
mCompositeSubscription.clear();
Subscription subscription = mUsecase.execute(new GetPlaylists.RequestValues(false))
.getPlaylists()
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Action1<List<Playlist>>() {
@Override
public void call(List<Playlist> playlists) {
if (playlists == null || playlists.size() == 0) {
mView.showEmptyView();
} else {
mView.showPlaylist(playlists);
}
}
});
mCompositeSubscription.add(subscription);
}
}