--- a/mod_privacy/mod_privacy.lua	Mon Oct 19 22:43:30 2009 +0200
+++ b/mod_privacy/mod_privacy.lua	Tue Oct 20 20:27:10 2009 +0200
@@ -60,6 +60,63 @@
 	return ret;
 end
 
+function sendUnavailable(to, from)
+--[[ example unavailable presence stanza
+<presence from="node@host/resource" type="unavailable" to="node@host" >
+	<status>Logged out</status>
+</presence>
+]]--
+	local presence = st.presence({from=from, type="unavailable"})
+	presence:tag("status"):text("Logged out");
+
+	local node, host = jid_bare(to);
+	local bare = node .. "@" .. host;
+	
+	if bare_sessions[bare].sessions ~= nil then
+		for resource, session in pairs(bare_sessions[bare].sessions) do
+			presence.attr.to = session.full_jid;
+			module:log("debug", "send unavailable to: %s; from: %s", tostring(presence.attr.to), tostring(presence.attr.from));
+			origin.send(presence);
+		end
+	end
+end
+
+function sendNeededUnavailablePersences(origin, listnameOrItem) -- TODO implement it correctly!
+	if type(listnameOrItem) == "string" then
+		local listname = listnameOrItem;
+		for _,list in ipairs(privacy_lists.lists) do
+			if list.name == listname then
+				for _,item in ipairs(list.items) do
+					sendNeededUnavailablePersences(origin, item);
+				end
+			end
+		end
+	elseif type(listnameOrItem) == "table" then
+		module:log("debug", "got an item, check wether to send unavailable presence stanza or not");
+		local item = listnameOrItem;
+		local serialize = require "util.serialization".serialize;
+
+
+		if item["presence-out"] == true then
+			if item.type == "jid" then
+				sendUnavailable(item.value, origin.full_jid);
+			elseif item.type == "group" then
+			elseif item.type == "subscription" then
+			elseif item.type == nil then
+			end
+		elseif item["presence-in"] == true then
+			if item.type == "jid" then
+				sendUnavailable(origin.full_jid, item.value);
+			elseif item.type == "group" then
+			elseif item.type == "subscription" then
+			elseif item.type == nil then
+			end		
+		end
+	else
+		module:log("debug", "got unknown type: %s", type(listnameOrItem));
+	end
+end
+
 function declineList (privacy_lists, origin, stanza, which)
 	if which == "default" then
 		if isAnotherSessionUsingDefaultList(origin) then
@@ -92,9 +149,15 @@
 		end
 		privacy_lists.default = name;
 		origin.send(st.reply(stanza));
+--[[
+		if origin.activePrivacyList == nil then
+			sendNeededUnavailablePersences(origin, name);
+		end
+]]--
 	elseif which == "active" and idx ~= nil then
 		origin.activePrivacyList = name;
 		origin.send(st.reply(stanza));
+		-- sendNeededUnavailablePersences(origin, name);
 	else
 		return {"modify", "bad-request", "Either not active or default given or unknown list name specified."};
 	end
@@ -204,6 +267,13 @@
 			return {"cancel", "bad-request", "Action must be either deny or allow."};
 		end
 		
+--[[		
+		if (privacy_lists.default == name and origin.activePrivacyList == nil) or origin.activePrivacyList == name then
+			module:log("debug", "calling sendNeededUnavailablePresences!");
+			-- item is valid and list is active, so send needed unavailable stanzas
+			sendNeededUnavailablePersences(origin, tmp);
+		end
+]]--
 		list.items[#list.items + 1] = tmp;
 	end