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Stypox 2024-03-29 17:59:28 +01:00
parent e1ce3fef1b
commit 4591c09637
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10 changed files with 123 additions and 141 deletions
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24
app/src/main/java/org/schabi/newpipe/local/bookmark/BookmarkFragment.java
View file

@ -1,5 +1,6 @@
package org.schabi.newpipe.local.bookmark;
import static org.schabi.newpipe.local.bookmark.MergedPlaylistManager.getMergedOrderedPlaylists;
import static org.schabi.newpipe.util.ThemeHelper.shouldUseGridLayout;
import android.content.DialogInterface;
@ -47,7 +48,6 @@ import java.util.concurrent.atomic.AtomicBoolean;
import icepick.State;
import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
import io.reactivex.rxjava3.core.Flowable;
import io.reactivex.rxjava3.disposables.CompositeDisposable;
import io.reactivex.rxjava3.disposables.Disposable;
@ -184,9 +184,7 @@ public final class BookmarkFragment extends BaseLocalListFragment<List<PlaylistL
}
isLoadingComplete.set(false);
Flowable.combineLatest(localPlaylistManager.getDisplayIndexOrderedPlaylists(),
remotePlaylistManager.getDisplayIndexOrderedPlaylists(),
PlaylistLocalItem::merge)
getMergedOrderedPlaylists(localPlaylistManager, remotePlaylistManager)
.onBackpressureLatest()
.observeOn(AndroidSchedulers.mainThread())
.subscribe(getPlaylistsSubscriber());
@ -400,16 +398,14 @@ public final class BookmarkFragment extends BaseLocalListFragment<List<PlaylistL
for (int i = 0; i < items.size(); i++) {
final LocalItem item = items.get(i);
if (item instanceof PlaylistMetadataEntry) {
if (((PlaylistMetadataEntry) item).getDisplayIndex() != i) {
((PlaylistMetadataEntry) item).setDisplayIndex(i);
localItemsUpdate.add((PlaylistMetadataEntry) item);
}
} else if (item instanceof PlaylistRemoteEntity) {
if (((PlaylistRemoteEntity) item).getDisplayIndex() != i) {
((PlaylistRemoteEntity) item).setDisplayIndex(i);
remoteItemsUpdate.add((PlaylistRemoteEntity) item);
}
if (item instanceof PlaylistMetadataEntry
&& ((PlaylistMetadataEntry) item).getDisplayIndex() != i) {
((PlaylistMetadataEntry) item).setDisplayIndex(i);
localItemsUpdate.add((PlaylistMetadataEntry) item);
} else if (item instanceof PlaylistRemoteEntity
&& ((PlaylistRemoteEntity) item).getDisplayIndex() != i) {
((PlaylistRemoteEntity) item).setDisplayIndex(i);
remoteItemsUpdate.add((PlaylistRemoteEntity) item);
}
}

95
app/src/main/java/org/schabi/newpipe/local/bookmark/MergedPlaylistManager.java Normal file
View file

@ -0,0 +1,95 @@
package org.schabi.newpipe.local.bookmark;
import org.schabi.newpipe.database.playlist.PlaylistLocalItem;
import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
import org.schabi.newpipe.local.playlist.LocalPlaylistManager;
import org.schabi.newpipe.local.playlist.RemotePlaylistManager;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import io.reactivex.rxjava3.core.Flowable;
/**
* Takes care of remote and local playlists at once, hence "merged".
*/
public final class MergedPlaylistManager {
private MergedPlaylistManager() {
}
public static Flowable<List<PlaylistLocalItem>> getMergedOrderedPlaylists(
final LocalPlaylistManager localPlaylistManager,
final RemotePlaylistManager remotePlaylistManager) {
return Flowable.combineLatest(
localPlaylistManager.getPlaylists(),
remotePlaylistManager.getPlaylists(),
MergedPlaylistManager::merge
);
}
/**
* Merge localPlaylists and remotePlaylists by the display index.
* If two items have the same display index, sort them in {@code CASE_INSENSITIVE_ORDER}.
*
* @param localPlaylists local playlists, already sorted by display index
* @param remotePlaylists remote playlists, already sorted by display index
* @return merged playlists
*/
private static List<PlaylistLocalItem> merge(
final List<PlaylistMetadataEntry> localPlaylists,
final List<PlaylistRemoteEntity> remotePlaylists) {
// This algorithm is similar to the merge operation in merge sort.
final List<PlaylistLocalItem> result = new ArrayList<>(
localPlaylists.size() + remotePlaylists.size());
final List<PlaylistLocalItem> itemsWithSameIndex = new ArrayList<>();
int i = 0;
int j = 0;
while (i < localPlaylists.size()) {
while (j < remotePlaylists.size()) {
if (remotePlaylists.get(j).getDisplayIndex()
<= localPlaylists.get(i).getDisplayIndex()) {
addItem(result, remotePlaylists.get(j), itemsWithSameIndex);
j++;
} else {
break;
}
}
addItem(result, localPlaylists.get(i), itemsWithSameIndex);
i++;
}
while (j < remotePlaylists.size()) {
addItem(result, remotePlaylists.get(j), itemsWithSameIndex);
j++;
}
addItemsWithSameIndex(result, itemsWithSameIndex);
return result;
}
private static void addItem(final List<PlaylistLocalItem> result,
final PlaylistLocalItem item,
final List<PlaylistLocalItem> itemsWithSameIndex) {
if (!itemsWithSameIndex.isEmpty()
&& itemsWithSameIndex.get(0).getDisplayIndex() != item.getDisplayIndex()) {
// The new item has a different display index, add previous items with same
// index to the result.
addItemsWithSameIndex(result, itemsWithSameIndex);
itemsWithSameIndex.clear();
}
itemsWithSameIndex.add(item);
}
private static void addItemsWithSameIndex(final List<PlaylistLocalItem> result,
final List<PlaylistLocalItem> itemsWithSameIndex) {
Collections.sort(itemsWithSameIndex,
Comparator.comparing(PlaylistLocalItem::getOrderingName,
Comparator.nullsLast(String.CASE_INSENSITIVE_ORDER)));
result.addAll(itemsWithSameIndex);
}
}

15
app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistManager.java
View file

@ -19,7 +19,6 @@ import java.util.List;
import io.reactivex.rxjava3.core.Completable;
import io.reactivex.rxjava3.core.Flowable;
import io.reactivex.rxjava3.core.Maybe;
import io.reactivex.rxjava3.core.Single;
import io.reactivex.rxjava3.schedulers.Schedulers;
public class LocalPlaylistManager {
@ -108,10 +107,6 @@ public class LocalPlaylistManager {
})).subscribeOn(Schedulers.io());
}
public Flowable<List<PlaylistMetadataEntry>> getPlaylists() {
return playlistStreamTable.getPlaylistMetadata().subscribeOn(Schedulers.io());
}
public Flowable<List<PlaylistStreamEntry>> getDistinctPlaylistStreams(final long playlistId) {
return playlistStreamTable
.getStreamsWithoutDuplicates(playlistId).subscribeOn(Schedulers.io());
@ -129,20 +124,14 @@ public class LocalPlaylistManager {
.subscribeOn(Schedulers.io());
}
public Flowable<List<PlaylistMetadataEntry>> getDisplayIndexOrderedPlaylists() {
return playlistStreamTable.getDisplayIndexOrderedPlaylistMetadata()
.subscribeOn(Schedulers.io());
public Flowable<List<PlaylistMetadataEntry>> getPlaylists() {
return playlistStreamTable.getPlaylistMetadata().subscribeOn(Schedulers.io());
}
public Flowable<List<PlaylistStreamEntry>> getPlaylistStreams(final long playlistId) {
return playlistStreamTable.getOrderedStreamsOf(playlistId).subscribeOn(Schedulers.io());
}
public Single<Integer> deletePlaylist(final long playlistId) {
return Single.fromCallable(() -> playlistTable.deletePlaylist(playlistId))
.subscribeOn(Schedulers.io());
}
public Maybe<Integer> renamePlaylist(final long playlistId, final String name) {
return modifyPlaylist(playlistId, name, THUMBNAIL_ID_LEAVE_UNCHANGED, false, -1);
}

6
app/src/main/java/org/schabi/newpipe/local/playlist/RemotePlaylistManager.java
View file

@ -23,11 +23,7 @@ public class RemotePlaylistManager {
}
public Flowable<List<PlaylistRemoteEntity>> getPlaylists() {
return playlistRemoteTable.getAll().subscribeOn(Schedulers.io());
}
public Flowable<List<PlaylistRemoteEntity>> getDisplayIndexOrderedPlaylists() {
return playlistRemoteTable.getDisplayIndexOrderedPlaylists().subscribeOn(Schedulers.io());
return playlistRemoteTable.getPlaylists().subscribeOn(Schedulers.io());
}
public Flowable<List<PlaylistRemoteEntity>> getPlaylist(final PlaylistInfo info) {