From 2d7e03f5e1ee09f006b206a18365ae07b855c875 Mon Sep 17 00:00:00 2001
From: Evgeniy Khramtsov <ekhramtsov@process-one.net>
Date: Wed, 13 Apr 2016 11:06:59 +0300
Subject: Clean mod_vcard_xupdate.erl from DB specific code

---
 src/mod_vcard_xupdate_sql.erl | 79 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/mod_vcard_xupdate_sql.erl

(limited to 'src/mod_vcard_xupdate_sql.erl')

diff --git a/src/mod_vcard_xupdate_sql.erl b/src/mod_vcard_xupdate_sql.erl
new file mode 100644
index 000000000..d580b1515
--- /dev/null
+++ b/src/mod_vcard_xupdate_sql.erl
@@ -0,0 +1,79 @@
+%%%-------------------------------------------------------------------
+%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
+%%% @copyright (C) 2016, Evgeny Khramtsov
+%%% @doc
+%%%
+%%% @end
+%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
+%%%-------------------------------------------------------------------
+-module(mod_vcard_xupdate_sql).
+
+%% API
+-export([init/2, import/2, add_xupdate/3, get_xupdate/2, remove_xupdate/2,
+	 import/1, export/1]).
+
+-include("mod_vcard_xupdate.hrl").
+
+%%%===================================================================
+%%% API
+%%%===================================================================
+init(_Host, _Opts) ->
+    ok.
+
+add_xupdate(LUser, LServer, Hash) ->
+    Username = ejabberd_odbc:escape(LUser),
+    SHash = ejabberd_odbc:escape(Hash),
+    F = fun () ->
+		odbc_queries:update_t(<<"vcard_xupdate">>,
+				      [<<"username">>, <<"hash">>],
+				      [Username, SHash],
+				      [<<"username='">>, Username, <<"'">>])
+	end,
+    ejabberd_odbc:sql_transaction(LServer, F).
+
+get_xupdate(LUser, LServer) ->
+    Username = ejabberd_odbc:escape(LUser),
+    case ejabberd_odbc:sql_query(LServer,
+				 [<<"select hash from vcard_xupdate where "
+				    "username='">>,
+				  Username, <<"';">>])
+	of
+      {selected, [<<"hash">>], [[Hash]]} -> Hash;
+      _ -> undefined
+    end.
+
+remove_xupdate(LUser, LServer) ->
+    Username = ejabberd_odbc:escape(LUser),
+    F = fun () ->
+		ejabberd_odbc:sql_query_t([<<"delete from vcard_xupdate where username='">>,
+					   Username, <<"';">>])
+	end,
+    ejabberd_odbc:sql_transaction(LServer, F).
+
+export(_Server) ->
+    [{vcard_xupdate,
+      fun(Host, #vcard_xupdate{us = {LUser, LServer}, hash = Hash})
+            when LServer == Host ->
+              Username = ejabberd_odbc:escape(LUser),
+              SHash = ejabberd_odbc:escape(Hash),
+              [[<<"delete from vcard_xupdate where username='">>,
+                Username, <<"';">>],
+               [<<"insert into vcard_xupdate(username, "
+                  "hash) values ('">>,
+                Username, <<"', '">>, SHash, <<"');">>]];
+         (_Host, _R) ->
+              []
+      end}].
+
+import(LServer) ->
+    [{<<"select username, hash from vcard_xupdate;">>,
+      fun([LUser, Hash]) ->
+              #vcard_xupdate{us = {LUser, LServer}, hash = Hash}
+      end}].
+
+import(_LServer, _) ->
+    pass.
+
+%%%===================================================================
+%%% Internal functions
+%%%===================================================================
-- 
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