implementation of the "bozo filter" on a topic level, including a topic-level

"Manage" screen (to hang "Rename Topic" from later, too).

src/com/silverwrist/venice/servlets/format/TopicPosts.java

@@ -48,12 +48,14 @@ public class TopicPosts implements JSPRender
   private int first;
   private int last;
   private boolean show_advanced;
+  private boolean no_bozos;
   private int unread;
   private List messages;
   private TopicVisitOrder visit_order;
   private String topic_stem;
   private String topic_qid;
   private String cache_locator = null;
+  private HashSet bozo_uids = new HashSet();
 
   /*--------------------------------------------------------------------------------
    * Constructor
@@ -62,12 +64,12 @@ public class TopicPosts implements JSPRender
 
   public TopicPosts(HttpServletRequest request, VeniceEngine engine, CommunityContext comm,
 		    ConferenceContext conf, TopicContext topic, int first, int last, boolean read_new,
-		    boolean show_advanced) throws DataException, AccessError
+		    boolean show_advanced, boolean no_bozos) throws DataException, AccessError
   {
     if (logger.isDebugEnabled())
       logger.debug("TopicPosts: comm=" + comm.getCommunityID() + ", conf=" + conf.getConfID() + ", topic="
 		   + topic.getTopicNumber() + ", range=[" + first + ", " + last + "], rnm=" + read_new
-		   + ", shac=" + show_advanced);
+		   + ", shac=" + show_advanced + ", nbz=" + no_bozos);
     this.engine = engine;
     this.comm = comm;
     this.conf = conf;
@@ -75,6 +77,7 @@ public class TopicPosts implements JSPRender
     this.first = first;
     this.last = last;
     this.show_advanced = show_advanced;
+    this.no_bozos = no_bozos;
     this.unread = topic.getUnreadMessages();
     if (read_new)
       topic.setUnreadMessages(0);
@@ -88,6 +91,23 @@ public class TopicPosts implements JSPRender
     topic_stem = (String)(aliases.get(0)) + "." + topic.getTopicNumber() + ".";
     topic_qid = "go/" + comm.getAlias() + "!" + (String)(aliases.get(0)) + "." + topic.getTopicNumber();
 
+    // build up the list of users IN THIS VIEW that are bozo-filtered
+    HashSet saw_users = new HashSet();
+    Iterator it = messages.iterator();
+    while (it.hasNext())
+    { // get the user IDs of all messages on this page
+      TopicMessageContext msg = (TopicMessageContext)(it.next());
+      Integer the_uid = new Integer(msg.getCreatorUID());
+      if (!(saw_users.contains(the_uid)))
+      { // only check user IDs once per display operation
+	saw_users.add(the_uid);
+	if (topic.isBozo(the_uid.intValue()))
+	  bozo_uids.add(the_uid);
+
+      } // end if
+
+    } // end while
+
   } // end constructor
 
   /*--------------------------------------------------------------------------------
@@ -426,4 +446,28 @@ public class TopicPosts implements JSPRender
 
   } // end displayAttachmentInNewWindow
 
+  public boolean bozoFilterUser(int uid)
+  {
+    if (no_bozos)
+      return false;
+    else
+      return bozo_uids.contains(new Integer(uid));
+
+  } // end bozoFilterUser
+
+  public boolean showBozoFilteredIndicator(int uid)
+  {
+    if (no_bozos)
+      return bozo_uids.contains(new Integer(uid));
+    else
+      return false;
+
+  } // end showBozoFilteredIndicator
+
+  public boolean showFilterButton(int uid)
+  {
+    return !(bozo_uids.contains(new Integer(uid))) && topic.canSetBozo(uid);
+
+  } // end showFilterButton
+
 } // end class TopicPosts