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package de.danoeh.antennapod.viewmodel;
import android.arch.lifecycle.ViewModel;
import de.danoeh.antennapod.core.feed.Feed;
import de.danoeh.antennapod.core.storage.DBReader;
import io.reactivex.Maybe;
public class FeedSettingsViewModel extends ViewModel {
private Feed feed;
public Maybe<Feed> getFeed(long feedId) {
if (feed == null) {
return loadFeed(feedId);
} else {
return Maybe.just(feed);
}
}
private Maybe<Feed> loadFeed(long feedId) {
return Maybe.create(emitter -> {
Feed feed = DBReader.getFeed(feedId);
if (feed != null) {
this.feed = feed;
emitter.onSuccess(feed);
} else {
emitter.onComplete();
}
});
}
}
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