%%%-------------------------------------------------------------------
%%% File : mod_caps_mnesia.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2020 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_caps_mnesia).
-behaviour(mod_caps).
%% API
-export([init/2, caps_read/2, caps_write/3, import/3]).
-export([need_transform/1, transform/1]).
-include("mod_caps.hrl").
-include("logger.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ejabberd_mnesia:create(?MODULE, caps_features,
[{disc_only_copies, [node()]},
{local_content, true},
{attributes, record_info(fields, caps_features)}]).
caps_read(_LServer, Node) ->
case mnesia:dirty_read({caps_features, Node}) of
[#caps_features{features = Features}] -> {ok, Features};
_ -> error
end.
caps_write(_LServer, Node, Features) ->
mnesia:dirty_write(#caps_features{node_pair = Node,
features = Features}).
import(_LServer, NodePair, [I]) when is_integer(I) ->
mnesia:dirty_write(
#caps_features{node_pair = NodePair, features = I});
import(_LServer, NodePair, Features) ->
mnesia:dirty_write(
#caps_features{node_pair = NodePair, features = Features}).
need_transform(#caps_features{node_pair = {N, P}, features = Fs}) ->
case is_list(N) orelse is_list(P) orelse
(is_list(Fs) andalso lists:any(fun is_list/1, Fs)) of
true ->
?INFO_MSG("Mnesia table 'caps_features' will be "
"converted to binary", []),
true;
false ->
false
end.
transform(#caps_features{node_pair = {N, P}, features = Fs} = R) ->
NewFs = if is_integer(Fs) ->
Fs;
true ->
[iolist_to_binary(F) || F <- Fs]
end,
R#caps_features{node_pair = {iolist_to_binary(N), iolist_to_binary(P)},
features = NewFs}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
