2018-04-12 23:46:03 +02:00
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package org.schabi.newpipe.local.playlist;
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2018-01-15 21:30:52 +01:00
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2019-10-04 14:59:08 +02:00
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import androidx.annotation.Nullable;
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2018-01-26 07:24:59 +01:00
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2018-01-15 21:30:52 +01:00
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import org.schabi.newpipe.database.AppDatabase;
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import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
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2018-01-28 07:14:38 +01:00
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import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
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2018-01-15 21:30:52 +01:00
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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.Completable;
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2018-01-17 06:12:03 +01:00
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import io.reactivex.Flowable;
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2018-01-15 21:30:52 +01:00
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import io.reactivex.Maybe;
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2018-01-17 06:12:03 +01:00
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import io.reactivex.Single;
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2018-01-16 20:48:52 +01:00
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import io.reactivex.schedulers.Schedulers;
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2018-01-15 21:30:52 +01:00
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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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2018-01-22 04:32:49 +01:00
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// Disallow creation of empty playlists
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2018-01-15 21:30:52 +01:00
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if (streams.isEmpty()) return Maybe.empty();
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final StreamEntity defaultStream = streams.get(0);
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2018-01-22 04:32:49 +01:00
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final PlaylistEntity newPlaylist =
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new PlaylistEntity(name, defaultStream.getThumbnailUrl());
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2018-01-15 21:30:52 +01:00
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2018-01-22 04:32:49 +01:00
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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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2018-01-15 21:30:52 +01:00
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2018-01-22 04:32:49 +01:00
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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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2018-01-15 21:30:52 +01:00
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}
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2018-01-22 04:32:49 +01:00
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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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2018-01-15 21:30:52 +01:00
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2018-01-22 04:32:49 +01:00
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List<PlaylistStreamEntity> joinEntities = new ArrayList<>(streams.size());
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2018-01-22 23:13:11 +01:00
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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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2018-01-22 04:32:49 +01:00
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index + indexOffset));
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}
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return playlistStreamTable.insertAll(joinEntities);
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2018-01-15 21:30:52 +01:00
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}
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public Completable updateJoin(final long playlistId, final List<Long> streamIds) {
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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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2018-01-22 23:13:11 +01:00
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})).subscribeOn(Schedulers.io());
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2018-01-15 21:30:52 +01:00
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}
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2018-01-17 06:12:03 +01:00
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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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2018-01-28 07:14:38 +01:00
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public Flowable<List<PlaylistStreamEntry>> getPlaylistStreams(final long playlistId) {
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2018-01-17 06:12:03 +01:00
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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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2018-01-16 20:48:52 +01:00
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.subscribeOn(Schedulers.io());
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2018-01-15 21:30:52 +01:00
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}
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2018-01-26 07:24:59 +01:00
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public Maybe<Integer> renamePlaylist(final long playlistId, final String name) {
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return modifyPlaylist(playlistId, name, null);
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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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return modifyPlaylist(playlistId, null, thumbnailUrl);
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}
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2019-12-02 22:20:43 +01:00
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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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2018-01-26 07:24:59 +01:00
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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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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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PlaylistEntity playlist = playlistEntities.get(0);
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if (name != null) playlist.setName(name);
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if (thumbnailUrl != null) playlist.setThumbnailUrl(thumbnailUrl);
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return playlistTable.update(playlist);
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}).subscribeOn(Schedulers.io());
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}
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2018-01-15 21:30:52 +01:00
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}
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