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%%%-------------------------------------------------------------------
%%% File : mod_irc_mnesia.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 14 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mod_irc_mnesia).
-behaviour(mod_irc).
%% API
-export([init/2, get_data/3, set_data/4, import/2]).
-include("jid.hrl").
-include("mod_irc.hrl").
-include("logger.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ejabberd_mnesia:create(?MODULE, irc_custom,
[{disc_copies, [node()]},
{attributes, record_info(fields, irc_custom)}]),
update_table().
get_data(_LServer, Host, From) ->
{U, S, _} = jid:tolower(From),
case catch mnesia:dirty_read({irc_custom, {{U, S}, Host}}) of
{'EXIT', _Reason} -> error;
[] -> empty;
[#irc_custom{data = Data}] -> Data
end.
set_data(_LServer, Host, From, Data) ->
{U, S, _} = jid:tolower(From),
F = fun () ->
mnesia:write(#irc_custom{us_host = {{U, S}, Host},
data = Data})
end,
mnesia:transaction(F).
import(_LServer, #irc_custom{} = R) ->
mnesia:dirty_write(R).
%%%===================================================================
%%% Internal functions
%%%===================================================================
update_table() ->
Fields = record_info(fields, irc_custom),
case mnesia:table_info(irc_custom, attributes) of
Fields ->
ejabberd_config:convert_table_to_binary(
irc_custom, Fields, set,
fun(#irc_custom{us_host = {_, H}}) -> H end,
fun(#irc_custom{us_host = {{U, S}, H},
data = Data} = R) ->
JID = jid:make(U, S),
R#irc_custom{us_host = {{iolist_to_binary(U),
iolist_to_binary(S)},
iolist_to_binary(H)},
data = mod_irc:data_to_binary(JID, Data)}
end);
_ ->
?INFO_MSG("Recreating irc_custom table", []),
mnesia:transform_table(irc_custom, ignore, Fields)
end.
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