86 lines
3.6 KiB
Java
86 lines
3.6 KiB
Java
package org.schabi.newpipe.extractor.services.peertube.extractors;
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import com.grack.nanojson.JsonArray;
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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.Page;
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import org.schabi.newpipe.extractor.StreamingService;
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import org.schabi.newpipe.extractor.comments.CommentsExtractor;
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import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
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import org.schabi.newpipe.extractor.comments.CommentsInfoItemsCollector;
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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.utils.JsonUtils;
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import org.schabi.newpipe.extractor.utils.Utils;
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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.utils.Utils.isNullOrEmpty;
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public class PeertubeCommentsExtractor extends CommentsExtractor {
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public PeertubeCommentsExtractor(final StreamingService service, final ListLinkHandler uiHandler) {
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super(service, uiHandler);
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}
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@Override
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public InfoItemsPage<CommentsInfoItem> getInitialPage() throws IOException, ExtractionException {
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final String pageUrl = getUrl() + "?" + START_KEY + "=0&" + COUNT_KEY + "=" + ITEMS_PER_PAGE;
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return getPage(new Page(pageUrl));
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}
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private void collectCommentsFrom(final CommentsInfoItemsCollector collector, final JsonObject json) throws ParsingException {
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final JsonArray contents = json.getArray("data");
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for (final Object c : contents) {
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if (c instanceof JsonObject) {
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final JsonObject item = (JsonObject) c;
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if (!item.getBoolean("isDeleted")) {
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final PeertubeCommentsInfoItemExtractor extractor = new PeertubeCommentsInfoItemExtractor(item, this);
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collector.commit(extractor);
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}
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}
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}
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}
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@Override
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public InfoItemsPage<CommentsInfoItem> getPage(final Page page) 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 json = null;
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if (response != null && !Utils.isBlank(response.responseBody())) {
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try {
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json = JsonParser.object().from(response.responseBody());
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} catch (Exception e) {
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throw new ParsingException("Could not parse json data for comments info", e);
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}
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}
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if (json != null) {
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PeertubeParsingHelper.validate(json);
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final long total = json.getLong("total");
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final CommentsInfoItemsCollector collector = new CommentsInfoItemsCollector(getServiceId());
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collectCommentsFrom(collector, json);
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return new InfoItemsPage<>(collector, PeertubeParsingHelper.getNextPage(page.getUrl(), total));
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} else {
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throw new ExtractionException("Unable to get PeerTube kiosk info");
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}
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}
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@Override
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public void onFetchPage(Downloader downloader) { }
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}
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