mirror of
https://github.com/TeamNewPipe/NewPipeExtractor.git
synced 2024-12-13 13:50:33 +05:30
added CommentsInfo
This commit is contained in:
Ritvik Saraf
parent
4ca23ab5c3
commit
ee239985ae
@ -1,12 +1,16 @@
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package org.schabi.newpipe.extractor.comments;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import org.schabi.newpipe.extractor.ListExtractor.InfoItemsPage;
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import org.schabi.newpipe.extractor.ListInfo;
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import org.schabi.newpipe.extractor.NewPipe;
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import org.schabi.newpipe.extractor.StreamingService;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
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import org.schabi.newpipe.extractor.utils.ExtractorHelper;
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public class CommentsInfo extends ListInfo<CommentsInfoItem>{
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@ -19,9 +23,88 @@ public class CommentsInfo extends ListInfo<CommentsInfoItem>{
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return getInfo(NewPipe.getServiceByUrl(url), url);
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}
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private static CommentsInfo getInfo(StreamingService serviceByUrl, String url) {
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// TODO Auto-generated method stub
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return null;
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private static CommentsInfo getInfo(StreamingService serviceByUrl, String url) throws ExtractionException, IOException {
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return getInfo(serviceByUrl.getCommentsExtractor(url));
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}
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private static CommentsInfo getInfo(CommentsExtractor commentsExtractor) throws IOException, ExtractionException {
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//for services which do not have a comments extractor
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if(null == commentsExtractor) {
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return null;
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}
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commentsExtractor.fetchPage();
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String name = commentsExtractor.getName();
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int serviceId = commentsExtractor.getServiceId();
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ListLinkHandler listUrlIdHandler = commentsExtractor.getUIHandler();
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CommentsInfo commentsInfo = new CommentsInfo(serviceId, listUrlIdHandler, name);
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commentsInfo.setCommentsExtractor(commentsExtractor);
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InfoItemsPage<CommentsInfoItem> initialCommentsPage = ExtractorHelper.getItemsPageOrLogError(commentsInfo,
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commentsExtractor);
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commentsInfo.setComments(new ArrayList<>());
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commentsInfo.getComments().addAll(initialCommentsPage.getItems());
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commentsInfo.setHasMoreComments(initialCommentsPage.hasNextPage());
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commentsInfo.setNextCommentsPageUrl(initialCommentsPage.getNextPageUrl());
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return commentsInfo;
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}
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public static void loadMoreComments(CommentsInfo commentsInfo) {
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if (commentsInfo.hasMoreComments()) {
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if(null == commentsInfo.getCommentsExtractor()) {
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try {
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commentsInfo.setCommentsExtractor(NewPipe.getService(commentsInfo.getServiceId()).getCommentsExtractor(commentsInfo.getUrl()));
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} catch (ExtractionException e) {
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commentsInfo.addError(e);
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return;
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}
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}
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try {
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InfoItemsPage<CommentsInfoItem> commentsPage = commentsInfo.getCommentsExtractor()
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.getPage(commentsInfo.getNextCommentsPageUrl());
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commentsInfo.getComments().addAll(commentsPage.getItems());
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commentsInfo.setHasMoreComments(commentsPage.hasNextPage());
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commentsInfo.setNextCommentsPageUrl(commentsPage.getNextPageUrl());
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} catch (IOException | ExtractionException e) {
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commentsInfo.addError(e);
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}
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}
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}
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private transient CommentsExtractor commentsExtractor;
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private List<CommentsInfoItem> comments;
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private boolean hasMoreComments;
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private String nextCommentsPageUrl;
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public List<CommentsInfoItem> getComments() {
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return comments;
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}
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public void setComments(List<CommentsInfoItem> comments) {
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this.comments = comments;
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}
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public boolean hasMoreComments() {
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return hasMoreComments;
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}
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public void setHasMoreComments(boolean hasMoreComments) {
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this.hasMoreComments = hasMoreComments;
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}
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public CommentsExtractor getCommentsExtractor() {
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return commentsExtractor;
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}
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public void setCommentsExtractor(CommentsExtractor commentsExtractor) {
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this.commentsExtractor = commentsExtractor;
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}
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public String getNextCommentsPageUrl() {
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return nextCommentsPageUrl;
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}
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public void setNextCommentsPageUrl(String nextCommentsPageUrl) {
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this.nextCommentsPageUrl = nextCommentsPageUrl;
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}
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}
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@ -31,13 +31,13 @@ public class YoutubeCommentsExtractor extends CommentsExtractor {
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private List<String> cookies;
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private String sessionToken;
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private String commentsToken;
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private String title;
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private InfoItemsPage<CommentsInfoItem> initPage;
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private ObjectMapper mapper = new ObjectMapper();
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public YoutubeCommentsExtractor(StreamingService service, ListLinkHandler uiHandler) {
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super(service, uiHandler);
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// TODO Auto-generated constructor stub
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}
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@Override
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@ -45,12 +45,16 @@ public class YoutubeCommentsExtractor extends CommentsExtractor {
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// initial page does not load any comments but is required to get session token
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// and cookies
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super.fetchPage();
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return getPage(getNextPageUrl());
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return initPage;
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}
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// isn't this method redundant. you can just call getnextpage on getInitialPage
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@Override
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public String getNextPageUrl() throws IOException, ExtractionException {
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return getNextPageUrl(commentsToken);
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// initial page does not load any comments but is required to get session token
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// and cookies
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super.fetchPage();
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return initPage.getNextPageUrl();
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}
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private String getNextPageUrl(JsonNode ajaxJson) throws IOException, ExtractionException {
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@ -91,6 +95,9 @@ public class YoutubeCommentsExtractor extends CommentsExtractor {
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}
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private void collectCommentsFrom(CommentsInfoItemsCollector collector, JsonNode ajaxJson, String pageUrl) {
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fetchTitle(ajaxJson);
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List<JsonNode> comments = ajaxJson.findValues("commentRenderer");
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comments.stream().forEach(c -> {
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CommentsInfoItemExtractor extractor = new CommentsInfoItemExtractor() {
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@ -192,19 +199,29 @@ public class YoutubeCommentsExtractor extends CommentsExtractor {
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}
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private void fetchTitle(JsonNode ajaxJson) {
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if(null == title) {
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try {
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title = ajaxJson.findValue("commentTargetTitle").get("simpleText").asText();
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} catch (Exception e) {
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title = "Youtube Comments";
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}
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}
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}
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@Override
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public void onFetchPage(Downloader downloader) throws IOException, ExtractionException {
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DownloadResponse response = downloader.get(getUrl());
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String responseBody = response.getResponseBody();
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cookies = response.getResponseHeaders().get("Set-Cookie");
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sessionToken = findValue(responseBody, "XSRF_TOKEN");
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commentsToken = findValue(responseBody, "COMMENTS_TOKEN");
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String commentsToken = findValue(responseBody, "COMMENTS_TOKEN");
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initPage = getPage(getNextPageUrl(commentsToken));
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}
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@Override
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public String getName() throws ParsingException {
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// TODO Auto-generated method stub
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return null;
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return title;
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}
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private String makeAjaxRequest(String siteUrl) throws IOException, ReCaptchaException {
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@ -1,20 +1,11 @@
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package org.schabi.newpipe.extractor.services.youtube.linkHandler;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.net.URLDecoder;
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import java.util.List;
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import org.jsoup.Jsoup;
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import org.jsoup.nodes.Document;
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import org.jsoup.nodes.Element;
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import org.schabi.newpipe.extractor.Downloader;
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import org.schabi.newpipe.extractor.NewPipe;
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import org.schabi.newpipe.extractor.exceptions.FoundAdException;
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import org.schabi.newpipe.extractor.exceptions.ParsingException;
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import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
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import org.schabi.newpipe.extractor.linkhandler.ListLinkHandlerFactory;
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import org.schabi.newpipe.extractor.utils.Parser;
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@ -27,6 +18,11 @@ public class YoutubeCommentsLinkHandlerFactory extends ListLinkHandlerFactory {
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return instance;
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}
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@Override
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public String getUrl(String id) {
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return "https://www.youtube.com/watch?v=" + id;
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}
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@Override
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public String getId(String url) throws ParsingException, IllegalArgumentException {
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if (url.isEmpty()) {
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@ -44,8 +40,6 @@ public class YoutubeCommentsLinkHandlerFactory extends ListLinkHandlerFactory {
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} catch (UnsupportedEncodingException uee) {
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throw new ParsingException("Could not parse attribution_link", uee);
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}
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} else if (lowercaseUrl.contains("youtube.com/shared?ci=")) {
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return getRealIdFromSharedLink(url);
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} else if (url.contains("vnd.youtube")) {
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id = Parser.matchGroup1(ID_PATTERN, url);
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} else if (url.contains("embed")) {
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@ -86,56 +80,6 @@ public class YoutubeCommentsLinkHandlerFactory extends ListLinkHandlerFactory {
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}
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}
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/**
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* Get the real url from a shared uri.
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* <p>
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* Shared URI's look like this:
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* <pre>
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* * https://www.youtube.com/shared?ci=PJICrTByb3E
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* * vnd.youtube://www.youtube.com/shared?ci=PJICrTByb3E&feature=twitter-deep-link
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* </pre>
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*
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* @param url The shared url
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* @return the id of the stream
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* @throws ParsingException
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*/
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private String getRealIdFromSharedLink(String url) throws ParsingException {
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URI uri;
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try {
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uri = new URI(url);
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} catch (URISyntaxException e) {
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throw new ParsingException("Invalid shared link", e);
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}
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String sharedId = getSharedId(uri);
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Downloader downloader = NewPipe.getDownloader();
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String content;
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try {
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content = downloader.download("https://www.youtube.com/shared?ci=" + sharedId);
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} catch (IOException | ReCaptchaException e) {
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throw new ParsingException("Unable to resolve shared link", e);
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}
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final Document document = Jsoup.parse(content);
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final Element element = document.select("link[rel=\"canonical\"]").first();
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final String urlWithRealId = (element != null)
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? element.attr("abs:href")
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: document.select("meta[property=\"og:url\"]").first()
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.attr("abs:content");
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String realId = Parser.matchGroup1(ID_PATTERN, urlWithRealId);
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if (sharedId.equals(realId)) {
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throw new ParsingException("Got same id for as shared info_id: " + sharedId);
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}
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return realId;
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}
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private String getSharedId(URI uri) throws ParsingException {
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if (!"/shared".equals(uri.getPath())) {
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throw new ParsingException("Not a shared link: " + uri.toString() + " (path != " + uri.getPath() + ")");
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}
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return Parser.matchGroup1("ci=" + ID_PATTERN, uri.getQuery());
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}
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@Override
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public boolean onAcceptUrl(final String url) throws FoundAdException {
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final String lowercaseUrl = url.toLowerCase();
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@ -156,8 +100,8 @@ public class YoutubeCommentsLinkHandlerFactory extends ListLinkHandlerFactory {
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}
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}
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@Override
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public String getUrl(String id, List<String> contentFilter, String sortFilter) throws ParsingException {
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return "https://www.youtube.com/watch?v=" + id;
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}
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@Override
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public String getUrl(String id, List<String> contentFilter, String sortFilter) throws ParsingException {
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return "https://www.youtube.com/watch?v=" + id;
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}
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}
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@ -11,6 +11,7 @@ import org.junit.Test;
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import org.schabi.newpipe.Downloader;
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import org.schabi.newpipe.extractor.ListExtractor.InfoItemsPage;
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import org.schabi.newpipe.extractor.NewPipe;
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import org.schabi.newpipe.extractor.comments.CommentsInfo;
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import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeCommentsExtractor;
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@ -56,6 +57,21 @@ public class YoutubeCommentsExtractorTest {
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assertTrue(result);
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}
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@Test
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public void testGetCommentsFromCommentsInfo() throws IOException, ExtractionException {
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boolean result = false;
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CommentsInfo commentsInfo = CommentsInfo.getInfo("https://www.youtube.com/watch?v=rrgFN3AxGfs");
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assertTrue("what the fuck am i doing with my life.wmv".equals(commentsInfo.getName()));
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result = findInComments(commentsInfo.getComments(), "i should really be in the top comment.lol");
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while (commentsInfo.hasMoreComments() && !result) {
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CommentsInfo.loadMoreComments(commentsInfo);
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result = findInComments(commentsInfo.getComments(), "i should really be in the top comment.lol");
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}
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assertTrue(result);
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}
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private boolean findInComments(InfoItemsPage<CommentsInfoItem> comments, String comment) {
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return findInComments(comments.getItems(), comment);
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}
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