%%%-------------------------------------------------------------------
%%% File : mod_announce_riak.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2018 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_announce_riak).
-behaviour(mod_announce).
%% API
-export([init/2, set_motd_users/2, set_motd/2, delete_motd/1,
get_motd/1, is_motd_user/2, set_motd_user/2, import/3]).
-include("xmpp.hrl").
-include("mod_announce.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
set_motd_users(_LServer, USRs) ->
try
lists:foreach(
fun({U, S, _R}) ->
ok = ejabberd_riak:put(#motd_users{us = {U, S}},
motd_users_schema(),
[{'2i', [{<<"server">>, S}]}])
end, USRs)
catch _:{badmatch, {error, _} = Err} ->
Err
end.
set_motd(LServer, Packet) ->
ejabberd_riak:put(#motd{server = LServer,
packet = Packet},
motd_schema()).
delete_motd(LServer) ->
try
ok = ejabberd_riak:delete(motd, LServer),
ok = ejabberd_riak:delete_by_index(motd_users,
<<"server">>,
LServer)
catch _:{badmatch, {error, _} = Err} ->
Err
end.
get_motd(LServer) ->
case ejabberd_riak:get(motd, motd_schema(), LServer) of
{ok, #motd{packet = Packet}} ->
{ok, Packet};
{error, notfound} ->
error;
{error, _} = Err ->
Err
end.
is_motd_user(LUser, LServer) ->
case ejabberd_riak:get(motd_users, motd_users_schema(),
{LUser, LServer}) of
{ok, #motd_users{}} -> {ok, true};
{error, notfound} -> {ok, false};
{error, _} = Err -> Err
end.
set_motd_user(LUser, LServer) ->
ejabberd_riak:put(
#motd_users{us = {LUser, LServer}}, motd_users_schema(),
[{'2i', [{<<"server">>, LServer}]}]).
import(LServer, <<"motd">>, [<<>>, XML, _TimeStamp]) ->
El = fxml_stream:parse_element(XML),
ejabberd_riak:put(#motd{server = LServer, packet = El}, motd_schema());
import(LServer, <<"motd">>, [LUser, <<>>, _TimeStamp]) ->
Users = #motd_users{us = {LUser, LServer}},
ejabberd_riak:put(Users, motd_users_schema(),
[{'2i', [{<<"server">>, LServer}]}]).
%%%===================================================================
%%% Internal functions
%%%===================================================================
motd_schema() ->
{record_info(fields, motd), #motd{}}.
motd_users_schema() ->
{record_info(fields, motd_users), #motd_users{}}.
