Added description parsing for channel info.

src/main/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudUserExtractor.java

@@ -99,4 +99,9 @@ public class SoundcloudUserExtractor extends UserExtractor {
 
         return new NextItemsResult(collector.getItemList(), nextStreamsUrl);
     }
+
+    @Override
+    public String getDescription() throws ParsingException {
+        return user.getString("description");
+    }
 }

src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeUserExtractor.java

@@ -119,6 +119,15 @@ public class YoutubeUserExtractor extends UserExtractor {
         }
     }
 
+    @Override
+    public String getDescription() throws ParsingException {
+        try {
+            return doc.select("meta[name=\"description\"]").first().attr("content");
+        } catch(Exception e) {
+            throw new ParsingException("Could not get channel name", e);
+        }
+    }
+
     @Override
     public String getFeedUrl() throws ParsingException {
         try {

src/main/java/org/schabi/newpipe/extractor/user/UserExtractor.java

@@ -45,5 +45,6 @@ public abstract class UserExtractor extends ListExtractor {
     public abstract String getBannerUrl() throws ParsingException;
     public abstract String getFeedUrl() throws ParsingException;
     public abstract long getSubscriberCount() throws ParsingException;
+    public abstract String getDescription() throws ParsingException;
 
 }

src/main/java/org/schabi/newpipe/extractor/user/UserInfo.java

@@ -90,6 +90,11 @@ public class UserInfo extends ListInfo {
         } catch (Exception e) {
             info.errors.add(e);
         }
+        try {
+            info.description = extractor.getDescription();
+        } catch (Exception e) {
+            info.errors.add(e);
+        }
 
         // Lists can be null if a exception was thrown during extraction
         if (info.related_streams == null) info.related_streams = new ArrayList<>();
@@ -103,4 +108,5 @@ public class UserInfo extends ListInfo {
     public String banner_url;
     public String feed_url;
     public long subscriber_count = -1;
+    public String description = "";
 }

src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeUserExtractorTest.java

@@ -56,6 +56,11 @@ public class YoutubeUserExtractorTest  {
         assertEquals(extractor.getUserName(), "Gronkh");
     }
 
+    @Test
+    public void testGetDescription() throws Exception {
+        assertEquals(extractor.getDescription(), "★ ★ ★ KLICK MICH HART, DU SAU! :D ★ ★ ★ Zart im Schmelz und süffig im Abgang. Ungebremster Spieltrieb seit 1896. Tägliche Folgen nonstop seit dem 01.04.2010!...");
+    }
+
     @Test
     public void testGetAvatarUrl() throws Exception {
         assertTrue(extractor.getAvatarUrl(), extractor.getAvatarUrl().contains("yt3"));