2016-04-13 10:06:59 +02:00
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%%%-------------------------------------------------------------------
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2016-12-27 10:44:07 +01:00
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%%% File : mod_vcard_xupdate_mnesia.erl
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%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
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2016-04-13 10:06:59 +02:00
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%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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2016-12-27 10:44:07 +01:00
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%%%
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%%%
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2017-01-02 21:41:53 +01:00
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%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
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2016-12-27 10:44:07 +01:00
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%----------------------------------------------------------------------
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2016-04-13 10:06:59 +02:00
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-module(mod_vcard_xupdate_mnesia).
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2016-12-27 10:44:07 +01:00
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2016-04-13 10:06:59 +02:00
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-behaviour(mod_vcard_xupdate).
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%% API
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2016-11-22 14:48:01 +01:00
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-export([init/2, import/3, add_xupdate/3, get_xupdate/2, remove_xupdate/2]).
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2016-04-13 10:06:59 +02:00
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-include("mod_vcard_xupdate.hrl").
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-include("logger.hrl").
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%%%===================================================================
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%%% API
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%%%===================================================================
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init(_Host, _Opts) ->
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2016-11-30 11:09:17 +01:00
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ejabberd_mnesia:create(?MODULE, vcard_xupdate,
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2016-04-13 10:06:59 +02:00
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[{disc_copies, [node()]},
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{attributes,
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record_info(fields, vcard_xupdate)}]),
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update_table().
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add_xupdate(LUser, LServer, Hash) ->
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F = fun () ->
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mnesia:write(#vcard_xupdate{us = {LUser, LServer},
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hash = Hash})
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end,
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mnesia:transaction(F).
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get_xupdate(LUser, LServer) ->
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case mnesia:dirty_read(vcard_xupdate, {LUser, LServer})
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of
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[#vcard_xupdate{hash = Hash}] -> Hash;
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_ -> undefined
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end.
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remove_xupdate(LUser, LServer) ->
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F = fun () ->
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mnesia:delete({vcard_xupdate, {LUser, LServer}})
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end,
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mnesia:transaction(F).
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2016-11-22 14:48:01 +01:00
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import(LServer, <<"vcard_xupdate">>, [LUser, Hash, _TimeStamp]) ->
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mnesia:dirty_write(
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#vcard_xupdate{us = {LUser, LServer}, hash = Hash}).
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2016-04-13 10:06:59 +02:00
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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update_table() ->
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Fields = record_info(fields, vcard_xupdate),
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case mnesia:table_info(vcard_xupdate, attributes) of
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Fields ->
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ejabberd_config:convert_table_to_binary(
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vcard_xupdate, Fields, set,
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fun(#vcard_xupdate{us = {U, _}}) -> U end,
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fun(#vcard_xupdate{us = {U, S}, hash = Hash} = R) ->
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R#vcard_xupdate{us = {iolist_to_binary(U),
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iolist_to_binary(S)},
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hash = iolist_to_binary(Hash)}
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end);
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_ ->
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?INFO_MSG("Recreating vcard_xupdate table", []),
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mnesia:transform_table(vcard_xupdate, ignore, Fields)
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end.
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