81 lines
3.5 KiB
Java
81 lines
3.5 KiB
Java
package org.schabi.newpipe.extractor.services.peertube.extractors;
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import com.grack.nanojson.JsonObject;
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import com.grack.nanojson.JsonParser;
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import org.schabi.newpipe.extractor.InfoItem;
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import org.schabi.newpipe.extractor.MultiInfoItemsCollector;
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import org.schabi.newpipe.extractor.Page;
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import org.schabi.newpipe.extractor.StreamingService;
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import org.schabi.newpipe.extractor.channel.ChannelTabExtractor;
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import org.schabi.newpipe.extractor.downloader.Downloader;
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import org.schabi.newpipe.extractor.downloader.Response;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.extractor.exceptions.ParsingException;
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import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
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import org.schabi.newpipe.extractor.services.peertube.PeertubeParsingHelper;
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import org.schabi.newpipe.extractor.services.peertube.linkHandler.PeertubeChannelLinkHandlerFactory;
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import org.schabi.newpipe.extractor.utils.Utils;
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import javax.annotation.Nonnull;
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import java.io.IOException;
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import static org.schabi.newpipe.extractor.services.peertube.PeertubeParsingHelper.COUNT_KEY;
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import static org.schabi.newpipe.extractor.services.peertube.PeertubeParsingHelper.ITEMS_PER_PAGE;
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import static org.schabi.newpipe.extractor.services.peertube.PeertubeParsingHelper.START_KEY;
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import static org.schabi.newpipe.extractor.services.peertube.PeertubeParsingHelper.collectItemsFrom;
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import static org.schabi.newpipe.extractor.services.peertube.linkHandler.PeertubeChannelTabLinkHandlerFactory.getUrlSuffix;
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import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
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public class PeertubeChannelTabExtractor extends ChannelTabExtractor {
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private final String baseUrl;
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public PeertubeChannelTabExtractor(final StreamingService service,
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final ListLinkHandler linkHandler)
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throws ParsingException {
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super(service, linkHandler);
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baseUrl = getBaseUrl();
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}
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@Override
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public void onFetchPage(final @Nonnull Downloader downloader) {
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}
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@Nonnull
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@Override
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public InfoItemsPage<InfoItem> getInitialPage() throws IOException, ExtractionException {
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return getPage(new Page(baseUrl + PeertubeChannelLinkHandlerFactory.API_ENDPOINT
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+ getId() + getUrlSuffix(getName()) + "?" + START_KEY + "=0&" + COUNT_KEY + "="
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+ ITEMS_PER_PAGE));
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}
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@Override
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public InfoItemsPage<InfoItem> getPage(final Page page)
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throws IOException, ExtractionException {
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if (page == null || isNullOrEmpty(page.getUrl())) {
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throw new IllegalArgumentException("Page doesn't contain an URL");
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}
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final Response response = getDownloader().get(page.getUrl());
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JsonObject pageJson = null;
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if (response != null && !Utils.isBlank(response.responseBody())) {
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try {
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pageJson = JsonParser.object().from(response.responseBody());
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} catch (final Exception e) {
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throw new ParsingException("Could not parse json data for account info", e);
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}
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}
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if (pageJson == null) {
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throw new ExtractionException("Unable to get account channel list");
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}
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PeertubeParsingHelper.validate(pageJson);
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final MultiInfoItemsCollector collector = new MultiInfoItemsCollector(getServiceId());
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collectItemsFrom(collector, pageJson, getBaseUrl());
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return new InfoItemsPage<>(collector,
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PeertubeParsingHelper.getNextPage(page.getUrl(), pageJson.getLong("total")));
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}
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}
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