* Added extra forum sorting method: Last Post.

This will hopefully be more useful than the existing ones.
	Extra childTS field was added & populated.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1628 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/rsiface/rsforums.h

@@ -69,6 +69,7 @@ class ForumMsgInfo
 	std::wstring title;
 	std::wstring msg;
 	time_t ts;
+	time_t childTS;
 };
 
 
@@ -87,7 +88,7 @@ class ThreadInfoSummary
 	std::wstring msg;
 	int count; /* file count     */
 	time_t ts;
-
+	time_t childTS;
 };
 
 std::ostream &operator<<(std::ostream &out, const ForumInfo &info);

libretroshare/src/serialiser/rsdistribitems.h

@@ -60,6 +60,7 @@ virtual std::ostream& print(std::ostream &out, uint16_t indent = 0);
 	/* Not Serialised */
 
 	std::string msgId;   /* Msg Id */
+	uint32_t childTS; /* timestamp of most recent child */
 	RsTlvKeySignature publishSignature;
 	RsTlvKeySignature personalSignature;
 };

libretroshare/src/services/p3distrib.cc

@@ -624,6 +624,9 @@ void	p3GroupDistrib::loadMsg(RsDistribSignedMsg *newMsg, std::string src, bool l
 	/* accept message */
 	(git->second).msgs[msg->msgId] = msg;
 
+	/* now update parents TS */
+	locked_updateChildTS(git->second, msg);
+
 #ifdef DISTRIB_DEBUG
 	std::cerr << "p3GroupDistrib::loadMsg() Msg Loaded Successfully" << std::endl;
 	std::cerr << std::endl;
@@ -2567,6 +2570,42 @@ bool	p3GroupDistrib::locked_checkDistribMsg(
 }
 
 
+        /* now update parents TS */
+bool	p3GroupDistrib::locked_updateChildTS(GroupInfo &gi, RsDistribMsg *msg)
+{
+	/* find all parents - update timestamp */
+	time_t updateTS = msg->timestamp;
+	msg->childTS = updateTS;
+
+	while("" != msg->parentId)
+	{
+		std::string parentId = msg->parentId;
+
+        	std::map<std::string, RsDistribMsg *>::iterator mit;
+        	if (gi.msgs.end() == (mit = gi.msgs.find(parentId)))
+		{
+			/* not found - abandon */
+			return true;
+		}
+		RsDistribMsg *parent = mit->second;
+		if ((!parent) || (parent->childTS > updateTS))
+		{
+			/* we're too old - give up! */
+			return true;
+		}
+
+		/* update timestamp */
+		parent->childTS = updateTS;
+		msg = parent;
+	}
+}
+
+
+			
+
+
+
+
 /***** DEBUG *****/
 
 void    p3GroupDistrib::printGroups(std::ostream &out)

libretroshare/src/services/p3distrib.h

@@ -329,6 +329,7 @@ void    locked_publishPendingMsgs();
 uint16_t locked_determineCacheSubId();
 
 
+
 /***************************************************************************************/
 /***************************************************************************************/
 
@@ -366,6 +367,7 @@ virtual bool    locked_choosePublishKey(GroupInfo &info);
 /* TO FINISH */
 	/* utilities */
 std::string HashRsItem(const RsItem *item);
+bool    locked_updateChildTS(GroupInfo &gi, RsDistribMsg *msg);
 
 /***************************************************************************************/
 /***************************************************************************************/

libretroshare/src/services/p3forums.cc

@@ -165,6 +165,7 @@ bool p3Forums::getForumThreadList(std::string fId, std::list<ThreadInfoSummary>
 		tis.threadId = msg->msgId; // these are the thread heads!
 
 		tis.ts = msg->timestamp;
+		tis.childTS = msg->childTS;
 
 		/* the rest must be gotten from the derived Msg */
 		
@@ -200,6 +201,7 @@ bool p3Forums::getForumThreadMsgList(std::string fId, std::string pId, std::list
 		tis.threadId = msg->threadId;
 
 		tis.ts = msg->timestamp;
+		tis.childTS = msg->childTS;
 
 		/* the rest must be gotten from the derived Msg */
 		
@@ -230,6 +232,7 @@ bool p3Forums::getForumMessage(std::string fId, std::string mId, ForumMsgInfo &i
 	info.threadId = msg->threadId;
 
 	info.ts = msg->timestamp;
+	info.childTS = msg->childTS;
 
 	/* the rest must be gotten from the derived Msg */
 		
@@ -303,29 +306,6 @@ std::string p3Forums::createForumMsg(std::string fId, std::string pId,
 	return msgId;
 }
 
-
-#if 0
-	/* p3Config Serialiser */
-RsSerialiser *p3Forums::setupSerialiser()
-{
-        RsSerialiser *rss = new RsSerialiser();
-
-	rss->addSerialType(new RsForumSerialiser());
-        return rss;
-}
-
-pqistreamer *p3Forums::createStreamer(BinInterface *bio, std::string src, uint32_t bioflags)
-{
-        RsSerialiser *rsSerialiser = new RsSerialiser();
-        //rsSerialiser->addSerialType(new RsForumSerialiser());
-        rsSerialiser->addSerialType(new RsDistribSerialiser());
-
-        pqistreamer *streamer = new pqistreamer(rsSerialiser, src, bio, bioflags);
-        return streamer;
-}
-
-#endif
-
 RsSerialType *p3Forums::createSerialiser()
 {
         return new RsForumSerialiser();