Add generator fingerprint for xenforo.

Also clean up the specializations logic a bit, and add a barebones specialization for phpbb that cleans out paths we aren't interested in but doesn't touch pruning or summarizing logic for now.

code/processes/converting-process/src/main/java/nu/marginalia/converting/processor/plugin/HtmlDocumentProcessorPlugin.java

@@ -7,9 +7,7 @@ import nu.marginalia.converting.processor.MetaRobotsTag;
 import nu.marginalia.converting.processor.logic.dom.MeasureLengthVisitor;
 import nu.marginalia.converting.processor.logic.links.FileLinks;
 import nu.marginalia.converting.processor.logic.links.LinkProcessor;
-import nu.marginalia.converting.processor.plugin.specialization.DefaultSpecialization;
-import nu.marginalia.converting.processor.plugin.specialization.HtmlProcessorSpecialization;
-import nu.marginalia.converting.processor.plugin.specialization.LemmySpecialization;
+import nu.marginalia.converting.processor.plugin.specialization.*;
 import nu.marginalia.language.model.DocumentLanguageData;
 import nu.marginalia.model.crawl.HtmlFeature;
 import nu.marginalia.link_parser.LinkParser;
@@ -61,8 +59,7 @@ public class HtmlDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
     private static final LinkParser linkParser = new LinkParser();
     private static final FeedExtractor feedExtractor = new FeedExtractor(linkParser);
 
-    private final DefaultSpecialization defaultSpecialization;
-    private final LemmySpecialization lemmySpecialization;
+    private final HtmlProcessorSpecializations htmlProcessorSpecializations;
 
     @Inject
     public HtmlDocumentProcessorPlugin(
@@ -74,7 +71,9 @@ public class HtmlDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
             PubDateSniffer pubDateSniffer,
             DocumentLengthLogic documentLengthLogic,
             MetaRobotsTag metaRobotsTag,
-            DocumentGeneratorExtractor documentGeneratorExtractor, DefaultSpecialization defaultSpecialization, LemmySpecialization lemmySpecialization) {
+            DocumentGeneratorExtractor documentGeneratorExtractor,
+            HtmlProcessorSpecializations specializations)
+    {
         this.documentLengthLogic = documentLengthLogic;
         this.minDocumentQuality = minDocumentQuality;
         this.sentenceExtractor = sentenceExtractor;
@@ -86,8 +85,7 @@ public class HtmlDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
         this.metaRobotsTag = metaRobotsTag;
 
         this.documentGeneratorExtractor = documentGeneratorExtractor;
-        this.defaultSpecialization = defaultSpecialization;
-        this.lemmySpecialization = lemmySpecialization;
+        this.htmlProcessorSpecializations = specializations;
     }
 
     @Override
@@ -115,7 +113,7 @@ public class HtmlDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
 
         final var generatorParts = documentGeneratorExtractor.generatorCleaned(doc);
 
-        final var specialization = selectSpecialization(generatorParts);
+        final var specialization = htmlProcessorSpecializations.select(generatorParts);
 
         if (!specialization.shouldIndex(url)) {
             throw new DisqualifiedException(DisqualificationReason.IRRELEVANT);
@@ -180,16 +178,6 @@ public class HtmlDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
         return new DetailsWithWords(ret, words);
     }
 
-    /** Depending on the generator tag, we may want to use specialized logic for pruning and summarizing the document */
-    private HtmlProcessorSpecialization selectSpecialization(DocumentGeneratorExtractor.DocumentGenerator generatorParts) {
-
-        if (generatorParts.keywords().contains("lemmy")) {
-          return lemmySpecialization;
-        }
-
-        return defaultSpecialization;
-    }
-
     private EnumSet<DocumentFlags> documentFlags(Set<HtmlFeature> features, GeneratorType type) {
         EnumSet<DocumentFlags> flags = EnumSet.noneOf(DocumentFlags.class);
 

code/processes/converting-process/src/main/java/nu/marginalia/converting/processor/plugin/specialization/DefaultSpecialization.java

@@ -11,7 +11,7 @@ import java.util.List;
 import java.util.Set;
 
 @Singleton
-public class DefaultSpecialization implements HtmlProcessorSpecialization {
+public class DefaultSpecialization implements HtmlProcessorSpecializations.HtmlProcessorSpecializationIf {
 
     private final SummaryExtractor summaryExtractor;
 

code/processes/converting-process/src/main/java/nu/marginalia/converting/processor/plugin/specialization/HtmlProcessorSpecialization.java

@@ -1,19 +0,0 @@
-package nu.marginalia.converting.processor.plugin.specialization;
-
-import nu.marginalia.model.EdgeUrl;
-import org.jsoup.nodes.Document;
-
-import java.util.Set;
-
-/** This interface is used to specify how to process a specific website.
- *  The implementations of this interface are used by the HtmlProcessor to
- *  process the HTML documents.
- */
-public interface HtmlProcessorSpecialization {
-    Document prune(Document original);
-    String getSummary(Document original,
-                      Set<String> importantWords);
-
-    default boolean shouldIndex(EdgeUrl url) { return true; }
-    default double lengthModifier() { return 1.0; }
-}

code/processes/converting-process/src/main/java/nu/marginalia/converting/processor/plugin/specialization/HtmlProcessorSpecializations.java

@@ -0,0 +1,54 @@
+package nu.marginalia.converting.processor.plugin.specialization;
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import nu.marginalia.converting.processor.logic.DocumentGeneratorExtractor;
+import nu.marginalia.model.EdgeUrl;
+import org.jsoup.nodes.Document;
+
+import java.util.Set;
+
+@Singleton
+public class HtmlProcessorSpecializations {
+    private final LemmySpecialization lemmySpecialization;
+    private final XenForoSpecialization xenforoSpecialization;
+    private final PhpBBSpecialization phpBBSpecialization;
+    private final DefaultSpecialization defaultSpecialization;
+
+    @Inject
+    public HtmlProcessorSpecializations(LemmySpecialization lemmySpecialization,
+                                        XenForoSpecialization xenforoSpecialization,
+                                        PhpBBSpecialization phpBBSpecialization, DefaultSpecialization defaultSpecialization) {
+        this.lemmySpecialization = lemmySpecialization;
+        this.xenforoSpecialization = xenforoSpecialization;
+        this.phpBBSpecialization = phpBBSpecialization;
+        this.defaultSpecialization = defaultSpecialization;
+    }
+
+    /** Depending on the generator tag, we may want to use specialized logic for pruning and summarizing the document */
+    public HtmlProcessorSpecializationIf select(DocumentGeneratorExtractor.DocumentGenerator generator) {
+        if (generator.keywords().contains("lemmy")) {
+            return lemmySpecialization;
+        }
+        if (generator.keywords().contains("xenforo")) {
+            return xenforoSpecialization;
+        }
+        if (generator.keywords().contains("phpbb")) {
+            return xenforoSpecialization;
+        }
+        return defaultSpecialization;
+    }
+
+    /** This interface is used to specify how to process a specific website.
+     *  The implementations of this interface are used by the HtmlProcessor to
+     *  process the HTML documents.
+     */
+    public interface HtmlProcessorSpecializationIf {
+        Document prune(Document original);
+        String getSummary(Document original,
+                          Set<String> importantWords);
+
+        default boolean shouldIndex(EdgeUrl url) { return true; }
+        default double lengthModifier() { return 1.0; }
+    }
+}

code/processes/converting-process/src/main/java/nu/marginalia/converting/processor/plugin/specialization/LemmySpecialization.java

@@ -2,7 +2,6 @@ package nu.marginalia.converting.processor.plugin.specialization;
 
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
-import nu.marginalia.model.EdgeUrl;
 import nu.marginalia.summary.SummaryExtractor;
 import org.jsoup.nodes.Document;
 import org.slf4j.Logger;
@@ -12,7 +11,7 @@ import java.util.Set;
 
 /** This class is used to specify how to process a website running Lemmy */
 @Singleton
-public class LemmySpecialization implements HtmlProcessorSpecialization {
+public class LemmySpecialization implements HtmlProcessorSpecializations.HtmlProcessorSpecializationIf {
     private static final Logger logger = LoggerFactory.getLogger(LemmySpecialization.class);
     private final SummaryExtractor summaryExtractor;
 

code/processes/converting-process/src/main/java/nu/marginalia/converting/processor/plugin/specialization/PhpBBSpecialization.java

@@ -0,0 +1,26 @@
+package nu.marginalia.converting.processor.plugin.specialization;
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import nu.marginalia.model.EdgeUrl;
+import nu.marginalia.summary.SummaryExtractor;
+import org.jsoup.nodes.Document;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Set;
+
+@Singleton
+public class PhpBBSpecialization extends DefaultSpecialization {
+    private static final Logger logger = LoggerFactory.getLogger(PhpBBSpecialization.class);
+
+    @Inject
+    public PhpBBSpecialization(SummaryExtractor summaryExtractor) {
+        super(summaryExtractor);
+    }
+
+    @Override
+    public boolean shouldIndex(EdgeUrl url) {
+        return url.path.contains("viewtopic.php");
+    }
+}

code/processes/converting-process/src/main/java/nu/marginalia/converting/processor/plugin/specialization/XenForoSpecialization.java

@@ -0,0 +1,75 @@
+package nu.marginalia.converting.processor.plugin.specialization;
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import nu.marginalia.summary.SummaryExtractor;
+import org.jsoup.nodes.Document;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Set;
+
+@Singleton
+public class XenForoSpecialization implements HtmlProcessorSpecializations.HtmlProcessorSpecializationIf {
+    private static final Logger logger = LoggerFactory.getLogger(XenForoSpecialization.class);
+    private final SummaryExtractor summaryExtractor;
+
+    @Inject
+    public XenForoSpecialization(SummaryExtractor summaryExtractor) {
+        this.summaryExtractor = summaryExtractor;
+    }
+
+    public Document prune(Document document) {
+
+        // Remove the sidebar
+
+        var newDoc = new Document(document.baseUri());
+        var bodyTag = newDoc.appendElement("body");
+        var article = bodyTag.appendElement("article");
+        var firstTime = document.getElementsByTag("time").first();
+
+        if (firstTime != null) {
+            // Ensure we get the publish date
+            var timeTag = newDoc.createElement("time");
+
+            timeTag.attr("datetime", firstTime.attr("datetime"));
+            timeTag.attr("pubdate", "pubdate");
+            timeTag.text(firstTime.attr("datetime"));
+
+            article.appendChild(timeTag);
+        }
+
+        for (var post : document.getElementsByClass("message-inner")) {
+            String user = post.getElementsByClass("message-name").text();
+            String text = post.getElementsByClass("bbWrapper").text();
+            article.appendChild(newDoc.createElement("p").text(user + ": " + text));
+        }
+
+        return newDoc;
+    }
+
+    public String getSummary(Document document, Set<String> importantWords) {
+        StringBuilder summary = new StringBuilder();
+
+        for (var pTag : document.getElementsByClass("bbWrapper")) {
+            if (summary.length() > 512) {
+                break;
+            }
+            String text = pTag.text();
+
+            if (text.isBlank())
+                continue;
+
+            summary
+                    .append(text)
+                    .append(' ');
+        }
+
+        return summaryExtractor.abbreivateSummary(summary.toString());
+    }
+
+    @Override
+    public double lengthModifier() {
+        return 1.25;
+    }
+}

code/processes/converting-process/src/test/java/nu/marginalia/converting/processor/plugin/specialization/XenForoSpecializationTest.java

@@ -0,0 +1,48 @@
+package nu.marginalia.converting.processor.plugin.specialization;
+
+import nu.marginalia.converting.processor.logic.DocumentGeneratorExtractor;
+import nu.marginalia.summary.SummaryExtractor;
+import nu.marginalia.test.CommonTestData;
+import org.jsoup.Jsoup;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import java.util.Set;
+
+class XenForoSpecializationTest {
+
+    static XenForoSpecialization specialization;
+    static DocumentGeneratorExtractor generatorExtractor = new DocumentGeneratorExtractor();
+
+    String thread = CommonTestData.loadTestData("mock-crawl-data/xenforo/thread.html");
+
+    @BeforeAll
+    public static void setUpAll() {
+        specialization = new XenForoSpecialization(
+                new SummaryExtractor(255,
+                        null,
+                        null,
+                        null,
+                        null,
+                        null));
+    }
+
+    @Test
+    void prune() {
+        System.out.println(specialization.prune(Jsoup.parse(thread)));
+    }
+
+    @Test
+    void generatorExtraction() {
+        var gen = generatorExtractor.generatorCleaned(Jsoup.parse(thread));
+
+        System.out.println(gen);
+    }
+
+    @Test
+    void getSummary() {
+        String summary = specialization.getSummary(Jsoup.parse(thread), Set.of(""));
+
+        System.out.println(summary);
+    }
+}