Added update capability to forums ui

Added timestamp check for group update in nxs
decided to add control variable to allow meta changes in updates rather than none


git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-gxs_finale@6803 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/gxs/rsgenexchange.cc

@@ -1370,11 +1370,11 @@ void RsGenExchange::publishGroup(uint32_t& token, RsGxsGrpItem *grpItem)
 }
 
 
-void RsGenExchange::updateGroup(uint32_t& token, RsGxsGrpItem* grpItem)
+void RsGenExchange::updateGroup(uint32_t& token, RsGxsGroupUpdateMeta& updateMeta, RsGxsGrpItem* grpItem)
 {
 	RsStackMutex stack(mGenMtx);
 	token = mDataAccess->generatePublicToken();
-	mGroupUpdatePublish.push_back(GroupUpdatePublish(grpItem, token));
+        mGroupUpdatePublish.push_back(GroupUpdatePublish(grpItem, updateMeta, token));
 
 #ifdef GEN_EXCH_DEBUG
     std::cerr << "RsGenExchange::updateGroup() token: " << token;
@@ -1828,7 +1828,9 @@ void RsGenExchange::processGroupUpdatePublish()
 		const RsGxsGroupId& groupId = gup.grpItem->meta.mGroupId;
 		RsGxsGrpMetaData* meta = grpMeta[groupId];
 
-		GxsGrpPendingSign ggps(ggps.mItem, ggps.mToken);
+                gup.grpItem->meta = *meta;
+                assignMetaUpdates(gup.grpItem->meta, gup.mUpdateMeta);
+                GxsGrpPendingSign ggps(gup.grpItem, ggps.mToken);
 
 		bool split = splitKeys(meta->keys, ggps.mPrivateKeys, ggps.mPublicKeys);
 
@@ -1849,6 +1851,27 @@ void RsGenExchange::processGroupUpdatePublish()
 	mGroupUpdatePublish.clear();
 }
 
+void RsGenExchange::assignMetaUpdates(RsGroupMetaData& meta, const RsGxsGroupUpdateMeta metaUpdate) const
+{
+    const RsGxsGroupUpdateMeta::GxsMetaUpdate* updates;
+    RsGxsGroupUpdateMeta::GxsMetaUpdate::const_iterator mit = updates->begin();
+    for(; mit != updates->end(); mit++)
+    {
+        const UpdateItem* item = mit->second;
+        RsGxsGroupUpdateMeta::UpdateType utype = mit->first;
+
+        if(utype == RsGxsGroupUpdateMeta::NAME)
+        {
+            const StringUpdateItem* sitem = NULL;
+
+            if((sitem = dynamic_cast<const StringUpdateItem*>(item)) != NULL)
+            {
+                meta.mGroupName = sitem->getUpdate();
+            }
+        }
+    }
+}
+
 bool RsGenExchange::splitKeys(const RsTlvSecurityKeySet& keySet, RsTlvSecurityKeySet& privateKeySet, RsTlvSecurityKeySet& publicKeySet)
 {
 

libretroshare/src/gxs/rsgenexchange.h

@@ -527,12 +527,12 @@ protected:
 
     /*!
      * Updates an existing group item \n
-	 * This will induce a related change message \n
-	 * Ownership of item passes to this rsgenexchange \n
-	 * @param token
-	 * @param grpItem
-	 */
-	void updateGroup(uint32_t& token, RsGxsGrpItem* grpItem);
+     * This will induce a related change message \n
+     * Ownership of item passes to this rsgenexchange \n
+     * @param token
+     * @param grpItem
+     */
+    void updateGroup(uint32_t& token, RsGxsGroupUpdateMeta& updateMeta, RsGxsGrpItem* grpItem);
 
 public:
     /*!
@@ -762,7 +762,20 @@ private:
      */
     bool updateValid(RsGxsGrpMetaData& oldGrp, RsNxsGrp& newGrp) const;
 
-    bool splitKeys(const RsTlvSecurityKeySet& keySet, RsTlvSecurityKeySet& privateKeySet, RsTlvSecurityKeySet& publicKeySet);
+    /*!
+     * convenience function for splitting key sets into private and public
+     * @param keySet The keys set to split into a private and public set
+     * @param privateKeySet contains the publish and admin private keys
+     * @param publicKeySet contains the publish and admin public keys
+     * @return false, if 2 private and public keys are not found in keySet
+     */
+    bool splitKeys(const RsTlvSecurityKeySet& keySet, RsTlvSecurityKeySet& privateKeySet,
+                   RsTlvSecurityKeySet& publicKeySet);
+
+    /*!
+     * Convenience function for assigning the meta update items to the actual group meta
+     */
+    void assignMetaUpdates(RsGroupMetaData& meta, const RsGxsGroupUpdateMeta metaUpdate) const;
 
 private:
 

libretroshare/src/gxs/rsgxsnetservice.cc

@@ -1366,6 +1366,7 @@ void RsGxsNetService::locked_genReqGrpTransaction(NxsTransaction* tr)
 	}
 
 	std::map<std::string, RsGxsGrpMetaData*> grpMetaMap;
+	std::map<std::string, RsGxsGrpMetaData*>::const_iterator metaIter;
 	mDataStore->retrieveGxsGrpMetaData(grpMetaMap);
 
 	// now do compare and add loop
@@ -1380,8 +1381,14 @@ void RsGxsNetService::locked_genReqGrpTransaction(NxsTransaction* tr)
 	{
 		RsNxsSyncGrpItem*& grpSyncItem = *llit;
 		const std::string& grpId = grpSyncItem->grpId;
+		metaIter = grpMetaMap.find(grpId);
+		bool haveItem = metaIter != grpMetaMap.end();
+		bool latestItem = false;
 
-		if(grpMetaMap.find(grpId) == grpMetaMap.end()){
+		if(!haveItem)
+			latestItem = grpSyncItem->publishTs > metaIter->second->mPublishTs;
+
+		if(haveItem && latestItem){
 
 			// determine if you need to check reputation
 			bool checkRep = !grpSyncItem->authorId.empty();

libretroshare/src/gxs/rsgxsutil.h

@@ -139,4 +139,14 @@ public:
 	bool validUpdate;
 };
 
+class GroupUpdatePublish
+{
+public:
+        GroupUpdatePublish(RsGxsGrpItem* item, RsGxsGroupUpdateMeta updateMeta, uint32_t token)
+            : grpItem(item),  mToken(token), mUpdateMeta(updateMeta) {}
+	RsGxsGrpItem* grpItem;
+        RsGxsGroupUpdateMeta mUpdateMeta;
+	uint32_t mToken;
+};
+
 #endif /* GXSUTIL_H_ */

libretroshare/src/retroshare/rsgxsforums.h

@@ -84,6 +84,14 @@ virtual void setMessageReadStatus(uint32_t& token, const RsGxsGrpMsgIdPair& msgI
 virtual bool createGroup(uint32_t &token, RsGxsForumGroup &group) = 0;
 virtual bool createMsg(uint32_t &token, RsGxsForumMsg &msg) = 0;
 
+/*!
+ * To update forum group with new information
+ * @param token the token used to check completion status of update
+ * @param group group to be updated, groupId element must be set or will be rejected
+ * @return false groupId not set, true if set and accepted (still check token for completion)
+ */
+virtual bool updateGroup(uint32_t &token, RsGxsGroupUpdateMeta&, RsGxsForumGroup &group);
+
 };
 
 

libretroshare/src/retroshare/rsgxsifacetypes.h

@@ -128,7 +128,6 @@ public:
 class GxsGroupStatistic
 {
 public:
-
 	/// number of message
 	RsGxsGroupId mGrpId;
 	uint32_t mNumMsgs;
@@ -147,4 +146,67 @@ public:
 	uint32_t mSizeStore;
 };
 
+class UpdateItem
+{
+public:
+    virtual ~UpdateItem() { }
+};
+
+class StringUpdateItem : public UpdateItem
+{
+public:
+    StringUpdateItem(const std::string update) : mUpdate(update) {}
+    const std::string& getUpdate() const { return mUpdate; }
+
+private:
+    std::string mUpdate;
+};
+
+class RsGxsGroupUpdateMeta
+{
+public:
+
+    // expand as support is added for other utypes
+    enum UpdateType { DESCRIPTION, NAME };
+
+    RsGxsGroupUpdateMeta(const std::string& groupId);
+    ~RsGxsGroupUpdateMeta()
+    {
+        GxsMetaUpdate::iterator mit = mUpdates.begin();
+        for(; mit != mUpdates.end(); mit++)
+            delete mit->second;
+    }
+
+    typedef std::map<UpdateType, UpdateItem*> GxsMetaUpdate;
+
+    /*!
+     * Only one item of a utype can exist
+     * @param utype the type of meta update
+     * @param item update item containing the change value
+     */
+    void setMetaUpdate(UpdateType utype, UpdateItem* item)
+    {
+        GxsMetaUpdate::iterator mit;
+        if ((mit = mUpdates.find(utype)) != mUpdates.end())
+            mUpdates[utype] = item;
+        else
+            delete mUpdates[utype];
+    }
+
+    /*!
+     * @param utype update type to remove
+     * @return false if update did not exist, true if update successfully removed
+     */
+    bool removeUpdateType(UpdateType utype){ return mUpdates.erase(utype) == 1; }
+
+    const GxsMetaUpdate* getUpdate() { return &mUpdates; }
+
+    const std::string& getGroupId() { return mGroupId; }
+
+private:
+
+    GxsMetaUpdate mUpdates;
+    std::string mGroupId;
+};
+
 #endif /* RSGXSIFACETYPES_H_ */

libretroshare/src/services/p3gxsforums.cc

@@ -215,6 +215,20 @@ bool p3GxsForums::createGroup(uint32_t &token, RsGxsForumGroup &group)
 	return true;
 }
 
+bool p3GxsForums::updateGroup(uint32_t &token, RsGxsGroupUpdateMeta& meta, RsGxsForumGroup &group)
+{
+	std::cerr << "p3GxsForums::createGroup()" << std::endl;
+
+	if(group.mMeta.mGroupId.empty())
+		return false;
+
+	RsGxsForumGroupItem* grpItem = new RsGxsForumGroupItem();
+	grpItem->mGroup = group;
+	grpItem->meta = group.mMeta;
+
+        RsGenExchange::updateGroup(token, meta, grpItem);
+	return true;
+}
 
 bool p3GxsForums::createMsg(uint32_t &token, RsGxsForumMsg &msg)
 {

libretroshare/src/services/p3gxsforums.h

@@ -74,6 +74,13 @@ virtual void setMessageReadStatus(uint32_t& token, const RsGxsGrpMsgIdPair& msgI
 virtual bool createGroup(uint32_t &token, RsGxsForumGroup &group);
 virtual bool createMsg(uint32_t &token, RsGxsForumMsg &msg);
 
+/*!
+ * To update forum group with new information
+ * @param token the token used to check completion status of update
+ * @param group group to be updated, groupId element must be set or will be rejected
+ * @return false groupId not set, true if set and accepted (still check token for completion)
+ */
+virtual bool updateGroup(uint32_t &token, RsGxsGroupUpdateMeta& meta, RsGxsForumGroup &group);
 
 
 	private: