From 69aaef2680ff5c96b34ad983b665a80c06c20224 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sat, 17 Jul 2010 23:49:06 +0200
Subject: Use nickname from VCard if no nickname is set

---
 src/core/ephraim.erl        | 12 ++++++++++++
 src/core/ephraim_conv.erl   |  4 ++--
 src/core/ephraim_roster.erl | 32 ++++++++++++++++++++++++++++++--
 3 files changed, 44 insertions(+), 4 deletions(-)

diff --git a/src/core/ephraim.erl b/src/core/ephraim.erl
index d558eda..c8783f0 100644
--- a/src/core/ephraim.erl
+++ b/src/core/ephraim.erl
@@ -59,6 +59,14 @@ get_conv(State, JID) ->
 	    end
     end.
 
+-spec get_alias(binary()) -> binary().
+get_alias(JID) ->
+    ephraim ! {self(),get_alias,JID},
+    receive
+	{alias,JID,Alias} ->
+	    Alias
+    end.
+
 -spec loop(#state{}) -> ok.
 loop(State) ->
     receive
@@ -139,6 +147,10 @@ loop(State) ->
 	    end,
 	    loop(State);
 	    
+	{Pid, get_alias, JID} ->
+	    State#state.roster ! {Pid,get_alias,JID},
+	    loop(State);
+	
 	Msg ->
 	    io:format("ephraim: ~p~n", [Msg]),
 	    loop(State)
diff --git a/src/core/ephraim_conv.erl b/src/core/ephraim_conv.erl
index 199787a..3342bc9 100644
--- a/src/core/ephraim_conv.erl
+++ b/src/core/ephraim_conv.erl
@@ -25,7 +25,7 @@ loop(State) ->
 	    Body = exmpp_message:get_body(Packet),
 	    if
 		Body =/= undefined ->
-		    ephraim ! {ui_update, {chat_message, State#conv_state.jid, Type, State#conv_state.jid, Body}};
+		    ephraim ! {ui_update, {chat_message, State#conv_state.jid, Type, ephraim:get_alias(State#conv_state.jid), Body}};
 		true ->
 		    io:format("Received strange message from ~p:~n~p~n", [State#conv_state.jid, Packet])
 	    end,
@@ -36,7 +36,7 @@ loop(State) ->
 	    Packet2 = exmpp_message:set_type(Packet, Type),
 	    Packet3 = exmpp_xml:set_attribute(Packet2, to, State#conv_state.jid),
 	    ephraim ! {send_packet, Packet3},
-	    ephraim ! {ui_update, {chat_message, State#conv_state.jid, Type, State#conv_state.my_jid, Message}},
+	    ephraim ! {ui_update, {chat_message, State#conv_state.jid, Type, ephraim:get_alias(State#conv_state.my_jid), Message}},
 	    loop(State);
 	
 	Msg ->
diff --git a/src/core/ephraim_roster.erl b/src/core/ephraim_roster.erl
index b596837..b0fa7cf 100644
--- a/src/core/ephraim_roster.erl
+++ b/src/core/ephraim_roster.erl
@@ -66,7 +66,6 @@ updateRosterEntry(Roster, JID, Name, Subscription, Groups) ->
 		       #roster_entry{}
 	       end,
     NewEntry = OldEntry#roster_entry{subscription=Subscription,name=Name,groups=Groups},
-    
     Entries = dict:store(JID, NewEntry, Roster#roster.entries),
     uiUpdate(JID, NewEntry),
     
@@ -130,6 +129,9 @@ handleRosterIQ(Roster, Item) ->
     Groups = getGroups(Item#xmlel.children),
     Subscription = binary_to_atom(exmpp_xml:get_attribute(Item, subscription, undefined), utf8),
     
+    ephraim ! {send_packet, exmpp_stanza:set_recipient(exmpp_iq:get('jabber:client', #xmlel{ns='vcard-temp',name='vCard'}), JID)},
+    io:format("ephraim_roster: ~p~n", [exmpp_stanza:set_recipient(exmpp_iq:get('jabber:client', #xmlel{ns='vcard-temp',name='vCard'}), JID)]),
+    
     updateRosterEntry(Roster, JID, Name, Subscription, Groups).
 
 -spec handleRosterIQs(#roster{}, [#xmlel{}]) -> #roster{}.
@@ -157,6 +159,28 @@ handleVCardIQs(VCard, [Item|Rest]) ->
     VCard2 = handleVCardIQ(VCard, Item),
     handleVCardIQs(VCard2, Rest).
 
+-spec get_alias(#roster{}, binary()) -> binary().
+get_alias(Roster, JID) ->
+    {Node, Domain, _Resource} = exmpp_jid:to_lower(exmpp_jid:parse(JID)),
+    BareJID = list_to_binary([Node, <<"@">>, Domain]),
+
+    case dict:find(BareJID, Roster#roster.entries) of
+	{ok, Entry} ->
+	    case Entry#roster_entry.name of
+		undefined ->
+		    case dict:find('NICKNAME',Entry#roster_entry.vcard) of
+			{ok, Value} ->
+			    Value;
+			error ->
+			    Node
+		    end;
+		Name ->
+		    Name
+	    end;
+	error ->
+	    Node
+    end.
+
 -spec loop(#roster{}) -> ok.
 loop(Roster) ->
     receive
@@ -183,10 +207,14 @@ loop(Roster) ->
             loop(Roster2);
 	
 	{vcard_iq, From, Payload} ->
-	    Dict = handleVCardIQs(dict:new(), Payload#xmlel.children),
+            Dict = handleVCardIQs(dict:new(), Payload#xmlel.children),
 	    Roster2 = updateVCard(Roster, From, Dict),
             loop(Roster2);
 	
+	{Pid, get_alias, JID} ->
+	    Pid ! {alias,JID,get_alias(Roster, JID)},
+	    loop(Roster);
+	
 	Msg ->
             io:format("ephraim_roster: ~p~n", [Msg]),
             loop(Roster)
-- 
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