From 4716cfc2cbf012a070fec8db4856c1761f8a50ee Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 13 Jul 2010 07:30:46 +0200
Subject: Added VCard support to roster

---
 src/core/ephraim_roster.erl | 66 ++++++++++++++++++++++++++++++++++-----------
 1 file changed, 50 insertions(+), 16 deletions(-)

(limited to 'src/core/ephraim_roster.erl')

diff --git a/src/core/ephraim_roster.erl b/src/core/ephraim_roster.erl
index 2426761..b596837 100644
--- a/src/core/ephraim_roster.erl
+++ b/src/core/ephraim_roster.erl
@@ -11,11 +11,12 @@
 	 }).
 
 -record(roster_entry, {
-	  name         :: binary() | undefined,
-	  subscription :: atom() | undefined,
-	  groups       :: set(),
-	  resources    :: dict(),
-	  avatar       :: #avatar{} | undefined
+	  name                   :: binary() | undefined,
+	  subscription           :: atom() | undefined,
+	  groups    = sets:new() :: set(),
+	  resources = dict:new() :: dict(),
+	  vcard     = dict:new() :: dict(),
+	  avatar                 :: #avatar{} | undefined
 	 }).
 
 -record(resource_entry, {
@@ -37,7 +38,7 @@ updateResource(Roster, JID, Priority, Type, Show, Status) ->
 		      {ok, Entry} ->
 			  Entry;
 		      error ->
-			  #roster_entry{resources=dict:new()}
+			  #roster_entry{}
 		  end,
     
     Resources = case Type of
@@ -58,13 +59,28 @@ updateResource(Roster, JID, Priority, Type, Show, Status) ->
 
 -spec updateRosterEntry(#roster{}, binary(), binary(), atom(), set()) -> #roster{}.
 updateRosterEntry(Roster, JID, Name, Subscription, Groups) ->
-    Resources = case dict:find(JID, Roster#roster.entries) of
-		    {ok, Entry} ->
-			Entry#roster_entry.resources;
-		    error ->
-			dict:new()
-		end,
-    NewEntry = #roster_entry{subscription=Subscription,name=Name,resources=Resources,groups=Groups},
+    OldEntry = case dict:find(JID, Roster#roster.entries) of
+		   {ok, Entry} ->
+		       Entry;
+		   error ->
+		       #roster_entry{}
+	       end,
+    NewEntry = OldEntry#roster_entry{subscription=Subscription,name=Name,groups=Groups},
+    
+    Entries = dict:store(JID, NewEntry, Roster#roster.entries),
+    uiUpdate(JID, NewEntry),
+    
+    Roster#roster{entries=Entries}.
+
+-spec updateVCard(#roster{}, binary(), dict()) -> #roster{}.
+updateVCard(Roster, JID, VCard) ->
+    OldEntry = case dict:find(JID, Roster#roster.entries) of
+		   {ok, Entry} ->
+		       Entry;
+		   error ->
+		       #roster_entry{}
+	       end,
+    NewEntry = OldEntry#roster_entry{vcard=VCard},
     
     Entries = dict:store(JID, NewEntry, Roster#roster.entries),
     uiUpdate(JID, NewEntry),
@@ -77,7 +93,7 @@ updateAvatar(Roster, JID, Avatar) ->
 		      {ok, Entry} ->
 			  Entry;
 		      error ->
-			  #roster_entry{resources=dict:new()}
+			  #roster_entry{}
 		  end,
     NewEntry = RosterEntry#roster_entry{avatar=#avatar{data=Avatar}},
     Entries = dict:store(JID, NewEntry, Roster#roster.entries),
@@ -127,6 +143,20 @@ handleRosterIQs(Roster, [Item = #xmlel{ns='jabber:iq:roster',name=item}|Rest]) -
 handleRosterIQs(Roster, [_|Rest]) ->
     handleRosterIQs(Roster, Rest).
 
+
+-spec handleVCardIQ(dict(), #xmlel{}) -> dict().
+handleVCardIQ(Dict, Item=#xmlel{name=Key}) ->
+    Value = exmpp_xml:get_cdata(Item),
+    dict:store(Key, Value, Dict).
+
+-spec handleVCardIQs(dict(), [#xmlel{}]) -> dict().
+handleVCardIQs(VCard, []) ->
+    VCard;
+
+handleVCardIQs(VCard, [Item|Rest]) ->
+    VCard2 = handleVCardIQ(VCard, Item),
+    handleVCardIQs(VCard2, Rest).
+
 -spec loop(#roster{}) -> ok.
 loop(Roster) ->
     receive
@@ -150,8 +180,12 @@ loop(Roster) ->
 	
 	{roster_iq, Payload} ->
 	    Roster2 = handleRosterIQs(Roster, Payload#xmlel.children),
-            %io:format("ephraim_roster: IQ: ~p~n", [Payload]),
-	    loop(Roster2);
+            loop(Roster2);
+	
+	{vcard_iq, From, Payload} ->
+	    Dict = handleVCardIQs(dict:new(), Payload#xmlel.children),
+	    Roster2 = updateVCard(Roster, From, Dict),
+            loop(Roster2);
 	
 	Msg ->
             io:format("ephraim_roster: ~p~n", [Msg]),
-- 
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