NewPipeExtractor/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMixPlaylistInfoItemExtractor.java

package org.schabi.newpipe.extractor.services.youtube.extractors;

import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.extractPlaylistTypeFromPlaylistUrl;
import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getTextFromObject;
import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getThumbnailUrlFromInfoItem;
import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;

import com.grack.nanojson.JsonObject;

import org.schabi.newpipe.extractor.ListExtractor;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
import org.schabi.newpipe.extractor.playlist.PlaylistInfoItemExtractor;

import javax.annotation.Nonnull;

public class YoutubeMixPlaylistInfoItemExtractor implements PlaylistInfoItemExtractor {
    private final JsonObject mixInfoItem;

    public YoutubeMixPlaylistInfoItemExtractor(final JsonObject mixInfoItem) {
        this.mixInfoItem = mixInfoItem;
    }

    @Override
    public String getName() throws ParsingException {
        final String name = getTextFromObject(mixInfoItem.getObject("title"));
        if (isNullOrEmpty(name)) {
            throw new ParsingException("Could not get name");
        }
        return name;
    }

    @Override
    public String getUrl() throws ParsingException {
        final String url = mixInfoItem.getString("shareUrl");
        if (isNullOrEmpty(url)) {
            throw new ParsingException("Could not get url");
        }
        return url;
    }

    @Override
    public String getThumbnailUrl() throws ParsingException {
        return getThumbnailUrlFromInfoItem(mixInfoItem);
    }

    @Override
    public String getUploaderName() throws ParsingException {
        // YouTube mixes are auto-generated by YouTube
        return "YouTube";
    }

    @Override
    public long getStreamCount() throws ParsingException {
        // Auto-generated playlists always start with 25 videos and are endless
        return ListExtractor.ITEM_COUNT_INFINITE;
    }

    @Nonnull
    @Override
    public PlaylistInfo.PlaylistType getPlaylistType() throws ParsingException {
        return extractPlaylistTypeFromPlaylistUrl(getUrl());
    }
}