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Refactor removeWatchedStreams() in LocalPlaylistFragment.

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This commit is contained in:
Isira Seneviratne 2022-07-29 06:40:55 +05:30
parent b9b09d325a
commit f9443f7421
1 changed files with 21 additions and 35 deletions
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56
app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistFragment.java
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@ -11,6 +11,7 @@ import android.os.Parcelable;
import android.text.InputType;
import android.text.TextUtils;
import android.util.Log;
import android.util.Pair;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
@ -34,7 +35,6 @@ import org.schabi.newpipe.database.LocalItem;
import org.schabi.newpipe.database.history.model.StreamHistoryEntry;
import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
import org.schabi.newpipe.database.stream.model.StreamEntity;
import org.schabi.newpipe.database.stream.model.StreamStateEntity;
import org.schabi.newpipe.databinding.DialogEditTextBinding;
import org.schabi.newpipe.databinding.LocalPlaylistHeaderBinding;
import org.schabi.newpipe.databinding.PlaylistControlBinding;
@ -55,7 +55,6 @@ import org.schabi.newpipe.util.external_communication.ShareUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
@ -63,7 +62,6 @@ import java.util.stream.Collectors;
import icepick.State;
import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
import io.reactivex.rxjava3.core.Flowable;
import io.reactivex.rxjava3.core.Single;
import io.reactivex.rxjava3.disposables.CompositeDisposable;
import io.reactivex.rxjava3.disposables.Disposable;
@ -309,7 +307,7 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
///////////////////////////////////////////////////////////////////////////
private Subscriber<List<PlaylistStreamEntry>> getPlaylistObserver() {
return new Subscriber<List<PlaylistStreamEntry>>() {
return new Subscriber<>() {
@Override
public void onSubscribe(final Subscription s) {
showLoading();
@ -395,31 +393,19 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
isRemovingWatched = true;
showLoading();
disposables.add(playlistManager.getPlaylistStreams(playlistId)
.subscribeOn(Schedulers.io())
.map((List<PlaylistStreamEntry> playlist) -> {
// Playlist data
final Iterator<PlaylistStreamEntry> playlistIter = playlist.iterator();
// History data
final HistoryRecordManager recordManager =
new HistoryRecordManager(getContext());
final Iterator<StreamHistoryEntry> historyIter = recordManager
.getStreamHistorySortedById().blockingFirst().iterator();
final var recordManager = new HistoryRecordManager(getContext());
final var historyIdsFlowable = recordManager.getStreamHistorySortedById()
// already sorted by ^ getStreamHistorySortedById(), binary search can be used
.map(historyList -> historyList.stream().map(StreamHistoryEntry::getStreamId)
.collect(Collectors.toList()));
final var streamsFlowable = playlistManager.getPlaylistStreams(playlistId)
.zipWith(historyIdsFlowable, (playlist, historyStreamIds) -> {
// Remove Watched, Functionality data
final List<PlaylistStreamEntry> notWatchedItems = new ArrayList<>();
boolean thumbnailVideoRemoved = false;
// already sorted by ^ getStreamHistorySortedById(), binary search can be used
final ArrayList<Long> historyStreamIds = new ArrayList<>();
while (historyIter.hasNext()) {
historyStreamIds.add(historyIter.next().getStreamId());
}
if (removePartiallyWatched) {
while (playlistIter.hasNext()) {
final PlaylistStreamEntry playlistItem = playlistIter.next();
for (final var playlistItem : playlist) {
final int indexInHistory = Collections.binarySearch(historyStreamIds,
playlistItem.getStreamId());
@ -432,14 +418,15 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
}
}
} else {
final Iterator<StreamStateEntity> streamStatesIter = recordManager
.loadLocalStreamStateBatch(playlist).blockingGet().iterator();
final var streamStates = recordManager.loadLocalStreamStateBatch(playlist)
.blockingGet();
for (int i = 0; i < playlist.size(); i++) {
final var playlistItem = playlist.get(i);
final var streamStateEntity = streamStates.get(i);
while (playlistIter.hasNext()) {
final PlaylistStreamEntry playlistItem = playlistIter.next();
final int indexInHistory = Collections.binarySearch(historyStreamIds,
playlistItem.getStreamId());
final StreamStateEntity streamStateEntity = streamStatesIter.next();
final long duration = playlistItem.toStreamInfoItem().getDuration();
if (indexInHistory < 0 || (streamStateEntity != null
@ -453,19 +440,18 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
}
}
return Flowable.just(notWatchedItems, thumbnailVideoRemoved);
})
return new Pair<>(notWatchedItems, thumbnailVideoRemoved);
});
disposables.add(streamsFlowable.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(flow -> {
final List<PlaylistStreamEntry> notWatchedItems =
(List<PlaylistStreamEntry>) flow.blockingFirst();
final boolean thumbnailVideoRemoved = (Boolean) flow.blockingLast();
final List<PlaylistStreamEntry> notWatchedItems = flow.first;
final boolean thumbnailVideoRemoved = flow.second;
itemListAdapter.clearStreamItemList();
itemListAdapter.addItems(notWatchedItems);
saveChanges();
if (thumbnailVideoRemoved) {
updateThumbnailUrl();
}