82 lines
2.7 KiB
Erlang
82 lines
2.7 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% File : mod_irc_mnesia.erl
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%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% Created : 14 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2018 ProcessOne
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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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-module(mod_irc_mnesia).
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-behaviour(mod_irc).
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%% API
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-export([init/2, get_data/3, set_data/4, import/2]).
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-export([need_transform/1, transform/1]).
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-include("jid.hrl").
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-include("mod_irc.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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ejabberd_mnesia:create(?MODULE, irc_custom,
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[{disc_copies, [node()]},
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{attributes, record_info(fields, irc_custom)}]).
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get_data(_LServer, Host, From) ->
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{U, S, _} = jid:tolower(From),
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case catch mnesia:dirty_read({irc_custom, {{U, S}, Host}}) of
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{'EXIT', _Reason} -> error;
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[] -> empty;
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[#irc_custom{data = Data}] -> Data
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end.
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set_data(_LServer, Host, From, Data) ->
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{U, S, _} = jid:tolower(From),
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F = fun () ->
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mnesia:write(#irc_custom{us_host = {{U, S}, Host},
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data = Data})
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end,
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mnesia:transaction(F).
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import(_LServer, #irc_custom{} = R) ->
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mnesia:dirty_write(R).
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need_transform(#irc_custom{us_host = {{U, S}, H}})
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when is_list(U) orelse is_list(S) orelse is_list(H) ->
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?INFO_MSG("Mnesia table 'irc_custom' will be converted to binary", []),
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true;
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need_transform(_) ->
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false.
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transform(#irc_custom{us_host = {{U, S}, H},
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data = Data} = R) ->
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JID = jid:make(U, S),
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R#irc_custom{us_host = {{iolist_to_binary(U),
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iolist_to_binary(S)},
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iolist_to_binary(H)},
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data = mod_irc:data_to_binary(JID, Data)}.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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