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xmpp.chapril.org-ejabberd/src/mod_announce_riak.erl
2016-04-13 13:04:04 +03:00

88 lines
2.4 KiB
Erlang

%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2016, Evgeny Khramtsov
%%% @doc
%%%
%%% @end
%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
-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/2]).
-include("jlib.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),
{atomic, ok}
catch _:{badmatch, Err} ->
{atomic, Err}
end.
set_motd(LServer, Packet) ->
{atomic, 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),
{atomic, ok}
catch _:{badmatch, Err} ->
{atomic, Err}
end.
get_motd(LServer) ->
case ejabberd_riak:get(motd, motd_schema(), LServer) of
{ok, #motd{packet = Packet}} ->
{ok, Packet};
_ ->
error
end.
is_motd_user(LUser, LServer) ->
case ejabberd_riak:get(motd_users, motd_users_schema(),
{LUser, LServer}) of
{ok, #motd_users{}} -> true;
_ -> false
end.
set_motd_user(LUser, LServer) ->
{atomic, ejabberd_riak:put(
#motd_users{us = {LUser, LServer}}, motd_users_schema(),
[{'2i', [{<<"server">>, LServer}]}])}.
import(_LServer, #motd{} = Motd) ->
ejabberd_riak:put(Motd, motd_schema());
import(_LServer, #motd_users{us = {_, S}} = Users) ->
ejabberd_riak:put(Users, motd_users_schema(),
[{'2i', [{<<"server">>, S}]}]).
%%%===================================================================
%%% Internal functions
%%%===================================================================
motd_schema() ->
{record_info(fields, motd), #motd{}}.
motd_users_schema() ->
{record_info(fields, motd_users), #motd_users{}}.