Apply review

This commit is contained in:
Stypox 2024-03-29 17:59:28 +01:00
parent e1ce3fef1b
commit 4591c09637
No known key found for this signature in database
GPG Key ID: 4BDF1B40A49FDD23
10 changed files with 123 additions and 141 deletions

View File

@ -258,19 +258,19 @@ public final class Migrations {
+ "(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "
+ "`name` TEXT, `is_thumbnail_permanent` INTEGER NOT NULL, "
+ "`thumbnail_stream_id` INTEGER NOT NULL, "
+ "`display_index` INTEGER NOT NULL DEFAULT 0)");
+ "`display_index` INTEGER NOT NULL)");
database.execSQL("INSERT INTO `playlists_tmp` "
+ "(`uid`, `name`, `is_thumbnail_permanent`, `thumbnail_stream_id`) "
+ "SELECT `uid`, `name`, `is_thumbnail_permanent`, `thumbnail_stream_id` "
+ "(`uid`, `name`, `is_thumbnail_permanent`, `thumbnail_stream_id`, "
+ "`display_index`) "
+ "SELECT `uid`, `name`, `is_thumbnail_permanent`, `thumbnail_stream_id`, "
+ "-1 "
+ "FROM `playlists`");
// Replace the old table.
// Replace the old table, note that this also removes the index on the name which
// we don't need anymore.
database.execSQL("DROP TABLE `playlists`");
database.execSQL("ALTER TABLE `playlists_tmp` RENAME TO `playlists`");
// Create index on the new table.
database.execSQL("CREATE INDEX `index_playlists_name` ON `playlists` (`name`)");
// Update remote_playlists.
// Create a temp table to initialize display_index.
@ -285,13 +285,12 @@ public final class Migrations {
+ "SELECT `uid`, `service_id`, `name`, `url`, `thumbnail_url`, `uploader`, "
+ "`stream_count` FROM `remote_playlists`");
// Replace the old table.
// Replace the old table, note that this also removes the index on the name which
// we don't need anymore.
database.execSQL("DROP TABLE `remote_playlists`");
database.execSQL("ALTER TABLE `remote_playlists_tmp` RENAME TO `remote_playlists`");
// Create index on the new table.
database.execSQL("CREATE INDEX `index_remote_playlists_name` "
+ "ON `remote_playlists` (`name`)");
database.execSQL("CREATE UNIQUE INDEX `index_remote_playlists_service_id_url` "
+ "ON `remote_playlists` (`service_id`, `url`)");

View File

@ -13,6 +13,7 @@ public class PlaylistDuplicatesEntry extends PlaylistMetadataEntry {
@ColumnInfo(name = PLAYLIST_TIMES_STREAM_IS_CONTAINED)
public final long timesStreamIsContained;
@SuppressWarnings("checkstyle:ParameterNumber")
public PlaylistDuplicatesEntry(final long uid,
final String name,
final String thumbnailUrl,

View File

@ -1,12 +1,6 @@
package org.schabi.newpipe.database.playlist;
import org.schabi.newpipe.database.LocalItem;
import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public interface PlaylistLocalItem extends LocalItem {
String getOrderingName();
@ -16,72 +10,4 @@ public interface PlaylistLocalItem extends LocalItem {
long getUid();
void setDisplayIndex(long displayIndex);
/**
* 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
* @param remotePlaylists remote playlists
* @return merged playlists
*/
static List<PlaylistLocalItem> merge(
final List<PlaylistMetadataEntry> localPlaylists,
final List<PlaylistRemoteEntity> remotePlaylists) {
Collections.sort(localPlaylists,
Comparator.comparingLong(PlaylistMetadataEntry::getDisplayIndex));
Collections.sort(remotePlaylists,
Comparator.comparingLong(PlaylistRemoteEntity::getDisplayIndex));
// 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;
}
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);
}
static void addItemsWithSameIndex(final List<PlaylistLocalItem> result,
final List<PlaylistLocalItem> itemsWithSameIndex) {
if (itemsWithSameIndex.size() > 1) {
Collections.sort(itemsWithSameIndex,
Comparator.comparing(PlaylistLocalItem::getOrderingName,
Comparator.nullsLast(String.CASE_INSENSITIVE_ORDER)));
}
result.addAll(itemsWithSameIndex);
}
}

View File

@ -42,7 +42,7 @@ public interface PlaylistRemoteDAO extends BasicDAO<PlaylistRemoteEntity> {
@Query("SELECT * FROM " + REMOTE_PLAYLIST_TABLE
+ " ORDER BY " + REMOTE_PLAYLIST_DISPLAY_INDEX)
Flowable<List<PlaylistRemoteEntity>> getDisplayIndexOrderedPlaylists();
Flowable<List<PlaylistRemoteEntity>> getPlaylists();
@Query("SELECT " + REMOTE_PLAYLIST_ID + " FROM " + REMOTE_PLAYLIST_TABLE
+ " WHERE " + REMOTE_PLAYLIST_URL + " = :url "

View File

@ -92,26 +92,6 @@ public interface PlaylistStreamDAO extends BasicDAO<PlaylistStreamEntity> {
+ " ORDER BY " + JOIN_INDEX + " ASC")
Flowable<List<PlaylistStreamEntry>> getOrderedStreamsOf(long playlistId);
@Transaction
@Query("SELECT " + PLAYLIST_ID + ", " + PLAYLIST_NAME + ", "
+ PLAYLIST_THUMBNAIL_PERMANENT + ", " + PLAYLIST_THUMBNAIL_STREAM_ID + ", "
+ PLAYLIST_DISPLAY_INDEX + ", "
+ " CASE WHEN " + PLAYLIST_THUMBNAIL_STREAM_ID + " = "
+ PlaylistEntity.DEFAULT_THUMBNAIL_ID + " THEN " + "'" + DEFAULT_THUMBNAIL + "'"
+ " ELSE (SELECT " + STREAM_THUMBNAIL_URL
+ " FROM " + STREAM_TABLE
+ " WHERE " + STREAM_TABLE + "." + STREAM_ID + " = " + PLAYLIST_THUMBNAIL_STREAM_ID
+ " ) END AS " + PLAYLIST_THUMBNAIL_URL + ", "
+ "COALESCE(COUNT(" + JOIN_PLAYLIST_ID + "), 0) AS " + PLAYLIST_STREAM_COUNT
+ " FROM " + PLAYLIST_TABLE
+ " LEFT JOIN " + PLAYLIST_STREAM_JOIN_TABLE
+ " ON " + PLAYLIST_TABLE + "." + PLAYLIST_ID + " = " + JOIN_PLAYLIST_ID
+ " GROUP BY " + PLAYLIST_ID
+ " ORDER BY " + PLAYLIST_NAME + " COLLATE NOCASE ASC")
Flowable<List<PlaylistMetadataEntry>> getPlaylistMetadata();
@Transaction
@Query("SELECT " + PLAYLIST_ID + ", " + PLAYLIST_NAME + ", "
+ PLAYLIST_THUMBNAIL_PERMANENT + ", " + PLAYLIST_THUMBNAIL_STREAM_ID + ", "
@ -130,7 +110,7 @@ public interface PlaylistStreamDAO extends BasicDAO<PlaylistStreamEntity> {
+ " ON " + PLAYLIST_TABLE + "." + PLAYLIST_ID + " = " + JOIN_PLAYLIST_ID
+ " GROUP BY " + PLAYLIST_ID
+ " ORDER BY " + PLAYLIST_DISPLAY_INDEX)
Flowable<List<PlaylistMetadataEntry>> getDisplayIndexOrderedPlaylistMetadata();
Flowable<List<PlaylistMetadataEntry>> getPlaylistMetadata();
@RewriteQueriesToDropUnusedColumns
@Transaction

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);
}
}

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);
}
}

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);
}

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) {

View File

@ -1,5 +1,7 @@
package org.schabi.newpipe.settings;
import static org.schabi.newpipe.local.bookmark.MergedPlaylistManager.getMergedOrderedPlaylists;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
@ -31,7 +33,6 @@ import java.util.List;
import java.util.Vector;
import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
import io.reactivex.rxjava3.core.Flowable;
import io.reactivex.rxjava3.disposables.Disposable;
public class SelectPlaylistFragment extends DialogFragment {
@ -90,8 +91,7 @@ public class SelectPlaylistFragment extends DialogFragment {
final LocalPlaylistManager localPlaylistManager = new LocalPlaylistManager(database);
final RemotePlaylistManager remotePlaylistManager = new RemotePlaylistManager(database);
disposable = Flowable.combineLatest(localPlaylistManager.getDisplayIndexOrderedPlaylists(),
remotePlaylistManager.getDisplayIndexOrderedPlaylists(), PlaylistLocalItem::merge)
disposable = getMergedOrderedPlaylists(localPlaylistManager, remotePlaylistManager)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(this::displayPlaylists, this::onError);
}