mirror of https://github.com/TeamNewPipe/NewPipe
163 lines
6.9 KiB
Java
163 lines
6.9 KiB
Java
package org.schabi.newpipe.local.playlist;
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import androidx.annotation.Nullable;
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import org.schabi.newpipe.R;
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import org.schabi.newpipe.database.AppDatabase;
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import org.schabi.newpipe.database.playlist.PlaylistDuplicatesEntry;
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import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
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import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
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import org.schabi.newpipe.database.playlist.dao.PlaylistDAO;
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import org.schabi.newpipe.database.playlist.dao.PlaylistStreamDAO;
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import org.schabi.newpipe.database.playlist.model.PlaylistEntity;
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import org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity;
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import org.schabi.newpipe.database.stream.dao.StreamDAO;
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import org.schabi.newpipe.database.stream.model.StreamEntity;
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import java.util.ArrayList;
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import java.util.List;
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import io.reactivex.rxjava3.core.Completable;
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import io.reactivex.rxjava3.core.Flowable;
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import io.reactivex.rxjava3.core.Maybe;
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import io.reactivex.rxjava3.core.Single;
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import io.reactivex.rxjava3.schedulers.Schedulers;
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public class LocalPlaylistManager {
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private final AppDatabase database;
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private final StreamDAO streamTable;
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private final PlaylistDAO playlistTable;
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private final PlaylistStreamDAO playlistStreamTable;
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public LocalPlaylistManager(final AppDatabase db) {
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database = db;
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streamTable = db.streamDAO();
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playlistTable = db.playlistDAO();
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playlistStreamTable = db.playlistStreamDAO();
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}
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public Maybe<List<Long>> createPlaylist(final String name, final List<StreamEntity> streams) {
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// Disallow creation of empty playlists
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if (streams.isEmpty()) {
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return Maybe.empty();
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}
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final StreamEntity defaultStream = streams.get(0);
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final PlaylistEntity newPlaylist =
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new PlaylistEntity(name, defaultStream.getThumbnailUrl(), false);
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return Maybe.fromCallable(() -> database.runInTransaction(() ->
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upsertStreams(playlistTable.insert(newPlaylist), streams, 0))
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).subscribeOn(Schedulers.io());
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}
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public Maybe<List<Long>> appendToPlaylist(final long playlistId,
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final List<StreamEntity> streams) {
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return playlistStreamTable.getMaximumIndexOf(playlistId)
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.firstElement()
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.map(maxJoinIndex -> database.runInTransaction(() ->
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upsertStreams(playlistId, streams, maxJoinIndex + 1))
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).subscribeOn(Schedulers.io());
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}
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private List<Long> upsertStreams(final long playlistId,
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final List<StreamEntity> streams,
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final int indexOffset) {
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final List<PlaylistStreamEntity> joinEntities = new ArrayList<>(streams.size());
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final List<Long> streamIds = streamTable.upsertAll(streams);
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for (int index = 0; index < streamIds.size(); index++) {
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joinEntities.add(new PlaylistStreamEntity(playlistId, streamIds.get(index),
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index + indexOffset));
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}
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return playlistStreamTable.insertAll(joinEntities);
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}
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public Completable updateJoin(final long playlistId, final List<Long> streamIds) {
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final List<PlaylistStreamEntity> joinEntities = new ArrayList<>(streamIds.size());
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for (int i = 0; i < streamIds.size(); i++) {
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joinEntities.add(new PlaylistStreamEntity(playlistId, streamIds.get(i), i));
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}
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return Completable.fromRunnable(() -> database.runInTransaction(() -> {
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playlistStreamTable.deleteBatch(playlistId);
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playlistStreamTable.insertAll(joinEntities);
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})).subscribeOn(Schedulers.io());
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}
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public Flowable<List<PlaylistMetadataEntry>> getPlaylists() {
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return playlistStreamTable.getPlaylistMetadata().subscribeOn(Schedulers.io());
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}
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/**
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* Get playlists with attached information about how many times the provided stream is already
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* contained in each playlist.
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*
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* @param streamUrl the stream url for which to check for duplicates
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* @return a list of {@link PlaylistDuplicatesEntry}
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*/
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public Flowable<List<PlaylistDuplicatesEntry>> getPlaylistDuplicates(final String streamUrl) {
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return playlistStreamTable.getPlaylistDuplicatesMetadata(streamUrl)
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.subscribeOn(Schedulers.io());
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}
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public Flowable<List<PlaylistStreamEntry>> getPlaylistStreams(final long playlistId) {
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return playlistStreamTable.getOrderedStreamsOf(playlistId).subscribeOn(Schedulers.io());
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}
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public Single<Integer> deletePlaylist(final long playlistId) {
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return Single.fromCallable(() -> playlistTable.deletePlaylist(playlistId))
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.subscribeOn(Schedulers.io());
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}
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public Maybe<Integer> renamePlaylist(final long playlistId, final String name) {
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return modifyPlaylist(playlistId, name, null, false);
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}
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public Maybe<Integer> changePlaylistThumbnail(final long playlistId,
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final String thumbnailUrl,
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final boolean isPermanent) {
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return modifyPlaylist(playlistId, null, thumbnailUrl, isPermanent);
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}
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public String getPlaylistThumbnail(final long playlistId) {
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return playlistTable.getPlaylist(playlistId).blockingFirst().get(0).getThumbnailUrl();
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}
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public boolean getIsPlaylistThumbnailPermanent(final long playlistId) {
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return playlistTable.getPlaylist(playlistId).blockingFirst().get(0)
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.getIsThumbnailPermanent();
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}
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public String getAutomaticPlaylistThumbnail(final long playlistId) {
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final String def = "drawable://" + R.drawable.placeholder_thumbnail_playlist;
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return playlistStreamTable.getAutomaticThumbnailUrl(playlistId, def).blockingFirst();
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}
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private Maybe<Integer> modifyPlaylist(final long playlistId,
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@Nullable final String name,
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@Nullable final String thumbnailUrl,
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final boolean isPermanent) {
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return playlistTable.getPlaylist(playlistId)
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.firstElement()
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.filter(playlistEntities -> !playlistEntities.isEmpty())
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.map(playlistEntities -> {
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final PlaylistEntity playlist = playlistEntities.get(0);
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if (name != null) {
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playlist.setName(name);
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}
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if (thumbnailUrl != null) {
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playlist.setThumbnailUrl(thumbnailUrl);
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playlist.setIsThumbnailPermanent(isPermanent);
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}
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return playlistTable.update(playlist);
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}).subscribeOn(Schedulers.io());
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}
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public Maybe<Boolean> hasPlaylists() {
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return playlistTable.getCount()
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.firstElement()
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.map(count -> count > 0)
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.subscribeOn(Schedulers.io());
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}
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}
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