de.chaosfisch.google.youtube.playlist.AbstractPlaylistService.java Source code

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Here is the source code for de.chaosfisch.google.youtube.playlist.AbstractPlaylistService.java

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/*
 * Copyright (c) 2014 Dennis Fischer.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0+
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 *
 * Contributors: Dennis Fischer
 */

package de.chaosfisch.google.youtube.playlist;

import com.google.api.services.youtube.model.*;
import com.google.common.collect.Lists;
import com.google.inject.Inject;
import de.chaosfisch.google.YouTubeProvider;
import de.chaosfisch.google.account.Account;
import de.chaosfisch.google.account.IAccountService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.List;

public abstract class AbstractPlaylistService implements IPlaylistService {
    private static final Logger logger = LoggerFactory.getLogger(AbstractPlaylistService.class);
    private static final String DEFAULT_THUMBNAIL = "https://i.ytimg.com/vi/default.jpg";
    private static final long MAX_PLAYLISTS = 50L;
    private final IAccountService accountService;
    private final YouTubeProvider youTubeProvider;

    @Inject
    protected AbstractPlaylistService(final IAccountService accountService, final YouTubeProvider youTubeProvider) {
        this.accountService = accountService;
        this.youTubeProvider = youTubeProvider;
    }

    @Override
    public void addVideoToPlaylist(final Playlist playlist, final String videoId) throws PlaylistIOException {
        try {

            final ResourceId resourceId = new ResourceId();
            resourceId.setKind("youtube#video");
            resourceId.setVideoId(videoId);

            final PlaylistItemSnippet playlistItemSnippet = new PlaylistItemSnippet();
            playlistItemSnippet.setPlaylistId(playlist.getPkey());
            playlistItemSnippet.setResourceId(resourceId);

            final PlaylistItem playlistItem = new PlaylistItem();
            playlistItem.setSnippet(playlistItemSnippet);

            youTubeProvider.setAccount(playlist.getAccount()).get().playlistItems()
                    .insert("snippet,status", playlistItem).execute();

            logger.debug("Video added to playlist!");
        } catch (final Exception e) {
            throw new PlaylistIOException(e);
        }
    }

    @Override
    public void addYoutubePlaylist(final Playlist playlist) throws PlaylistIOException {
        logger.debug("Adding playlist {} to youtube.", playlist.getTitle());
        try {
            final PlaylistSnippet playlistSnippet = new PlaylistSnippet();
            playlistSnippet.setTitle(playlist.getTitle());
            playlistSnippet.setDescription(playlist.getSummary());

            final PlaylistStatus playlistStatus = new PlaylistStatus();
            playlistStatus.setPrivacyStatus(playlist.isPrivate_() ? "private" : "public");

            final com.google.api.services.youtube.model.Playlist youTubePlaylist = new com.google.api.services.youtube.model.Playlist();
            youTubePlaylist.setSnippet(playlistSnippet);
            youTubePlaylist.setStatus(playlistStatus);

            youTubeProvider.setAccount(playlist.getAccount()).get().playlists()
                    .insert("snippet,status", youTubePlaylist).execute();
            logger.info("Added playlist to youtube");
        } catch (final Exception e) {
            throw new PlaylistIOException(e);
        }
    }

    @Override
    public void synchronizePlaylists(final List<Account> accounts) throws PlaylistIOException {
        logger.info("Synchronizing playlists.");
        for (final Account account : accounts) {
            try {
                final PlaylistListResponse response = youTubeProvider.setAccount(account).get().playlists()
                        .list("id,snippet,contentDetails").setMaxResults(MAX_PLAYLISTS).setMine(true).execute();

                logger.debug("Playlist synchronize okay.");

                final List<Playlist> playlists = parsePlaylistListResponse(account, response);
                final List<Playlist> accountPlaylists = account.getPlaylists();
                accountPlaylists.removeAll(playlists);
                for (final Playlist playlist : accountPlaylists) {
                    delete(playlist);
                }
                account.setPlaylists(playlists);
                accountService.update(account);
            } catch (final Exception e) {
                logger.error("Playlist sync exception", e);
                throw new PlaylistIOException(e);
            }
        }
        logger.info("Playlists synchronized");
    }

    List<Playlist> parsePlaylistListResponse(final Account account, final PlaylistListResponse response) {
        final List<Playlist> list = Lists.newArrayListWithExpectedSize(response.getItems().size());
        for (final com.google.api.services.youtube.model.Playlist entry : response.getItems()) {
            final Playlist playlist = findByPkey(entry.getId());
            if (null == playlist) {
                list.add(_createNewPlaylist(account, entry));
            } else {
                list.add(_updateExistingPlaylist(account, entry, playlist));
            }
        }
        return list;
    }

    Playlist _createNewPlaylist(final Account account, final com.google.api.services.youtube.model.Playlist entry) {
        final Playlist playlist = new Playlist(entry.getSnippet().getTitle(), account);
        playlist.setPkey(entry.getId());
        playlist.setNumber(entry.getContentDetails().getItemCount());
        playlist.setSummary(entry.getSnippet().getDescription());
        final String thumbnailUrl = entry.getSnippet().getThumbnails().getHigh().getUrl();
        playlist.setThumbnail(thumbnailUrl.equals(DEFAULT_THUMBNAIL) ? null : thumbnailUrl);
        playlist.setHidden(false);
        insert(playlist);
        return playlist;
    }

    Playlist _updateExistingPlaylist(final Account account,
            final com.google.api.services.youtube.model.Playlist entry, final Playlist playlist) {
        playlist.setTitle(entry.getSnippet().getTitle());
        playlist.setNumber(entry.getContentDetails().getItemCount());
        playlist.setSummary(entry.getSnippet().getDescription());
        final String thumbnailUrl = entry.getSnippet().getThumbnails().getHigh().getUrl();
        playlist.setThumbnail(thumbnailUrl.equals(DEFAULT_THUMBNAIL) ? null : thumbnailUrl);
        playlist.setAccount(account);
        update(playlist);
        return playlist;
    }
}