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%%%-------------------------------------------------------------------
%%% @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_sql:escape(LUser),
SHash = ejabberd_sql:escape(Hash),
F = fun () ->
sql_queries:update_t(<<"vcard_xupdate">>,
[<<"username">>, <<"hash">>],
[Username, SHash],
[<<"username='">>, Username, <<"'">>])
end,
ejabberd_sql:sql_transaction(LServer, F).
get_xupdate(LUser, LServer) ->
Username = ejabberd_sql:escape(LUser),
case ejabberd_sql:sql_query(LServer,
[<<"select hash from vcard_xupdate where "
"username='">>,
Username, <<"';">>])
of
{selected, [<<"hash">>], [[Hash]]} -> Hash;
_ -> undefined
end.
remove_xupdate(LUser, LServer) ->
Username = ejabberd_sql:escape(LUser),
F = fun () ->
ejabberd_sql:sql_query_t([<<"delete from vcard_xupdate where username='">>,
Username, <<"';">>])
end,
ejabberd_sql:sql_transaction(LServer, F).
export(_Server) ->
[{vcard_xupdate,
fun(Host, #vcard_xupdate{us = {LUser, LServer}, hash = Hash})
when LServer == Host ->
Username = ejabberd_sql:escape(LUser),
SHash = ejabberd_sql: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
%%%===================================================================
|
