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xmpp.chapril.org-ejabberd/src/mod_last_riak.erl
2018-01-05 23:18:58 +03:00

72 lines
2.5 KiB
Erlang

%%%-------------------------------------------------------------------
%%% File : mod_last_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_last_riak).
-behaviour(mod_last).
%% API
-export([init/2, import/2, get_last/2, store_last_info/4, remove_user/2]).
-include("mod_last.hrl").
-include("logger.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
get_last(LUser, LServer) ->
case ejabberd_riak:get(last_activity, last_activity_schema(),
{LUser, LServer}) of
{ok, #last_activity{timestamp = TimeStamp,
status = Status}} ->
{ok, {TimeStamp, Status}};
{error, notfound} ->
error;
_Err ->
%% TODO: log error
{error, db_failure}
end.
store_last_info(LUser, LServer, TimeStamp, Status) ->
US = {LUser, LServer},
ejabberd_riak:put(#last_activity{us = US,
timestamp = TimeStamp,
status = Status},
last_activity_schema()).
remove_user(LUser, LServer) ->
{atomic, ejabberd_riak:delete(last_activity, {LUser, LServer})}.
import(_LServer, #last_activity{} = LA) ->
ejabberd_riak:put(LA, last_activity_schema()).
%%%===================================================================
%%% Internal functions
%%%===================================================================
last_activity_schema() ->
{record_info(fields, last_activity), #last_activity{}}.