From 6795675108c664b2e104db13c2c410b1ba7d319a Mon Sep 17 00:00:00 2001
From: Badlop <badlop@process-one.net>
Date: Tue, 2 Feb 2010 19:47:22 +0100
Subject: Shared roster gets contact nickname from vcard, when available
 (EJAB-114)

---
 src/mod_shared_roster.erl | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

(limited to 'src/mod_shared_roster.erl')

diff --git a/src/mod_shared_roster.erl b/src/mod_shared_roster.erl
index 0a516f960..60bf6a1af 100644
--- a/src/mod_shared_roster.erl
+++ b/src/mod_shared_roster.erl
@@ -152,16 +152,45 @@ get_user_roster(Items, US) ->
 	  end, SRUsers, Items),
 
     %% Export items in roster format:
+    ModVcard = get_vcard_module(S),
     SRItems = [#roster{usj = {U, S, {U1, S1, ""}},
 		       us = US,
 		       jid = {U1, S1, ""},
-		       name = "",
+		       name = get_rosteritem_name(ModVcard, U1, S1),
 		       subscription = both,
 		       ask = none,
 		       groups = GroupNames} ||
 		  {{U1, S1}, GroupNames} <- dict:to_list(SRUsersRest)],
     SRItems ++ NewItems1.
 
+get_vcard_module(Server) ->
+    Modules = gen_mod:loaded_modules(Server),
+    [M || M <- Modules,
+	  (M == mod_vcard) or (M == mod_vcard_odbc) or (M == mod_vcard_ldap)].
+
+get_rosteritem_name([], _, _) ->
+    "";
+get_rosteritem_name([ModVcard], U, S) ->
+    From = jlib:make_jid("", S, mod_shared_roster),
+    To = jlib:make_jid(U, S, ""),
+    IQ = {iq,"",get,"vcard-temp","",
+	  {xmlelement,"vCard",[{"xmlns","vcard-temp"}],[]}},
+    IQ_Vcard = ModVcard:process_sm_iq(From, To, IQ),
+    try get_rosteritem_name_vcard(IQ_Vcard#iq.sub_el)
+    catch E1:E2 ->
+	    ?ERROR_MSG("Error ~p found when trying to get the vCard of ~s@~s "
+		       "in ~p:~n ~p", [E1, U, S, ModVcard, E2]),
+	    ""
+    end.
+
+get_rosteritem_name_vcard([]) ->
+    "";
+get_rosteritem_name_vcard([Vcard]) ->
+    case xml:get_path_s(Vcard, [{elem, "NICKNAME"}, cdata]) of
+	"" -> xml:get_path_s(Vcard, [{elem, "FN"}, cdata]);
+	Nickname -> Nickname
+    end.
+
 %% This function rewrites the roster entries when moving or renaming
 %% them in the user contact list.
 process_item(RosterItem, Host) ->
-- 
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