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%%%-------------------------------------------------------------------
%%% @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_muc_riak).
-behaviour(mod_muc).
%% API
-export([init/2, import/2, store_room/4, restore_room/3, forget_room/3,
can_use_nick/4, get_rooms/2, get_nick/3, set_nick/4]).
-include("mod_muc.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
store_room(_LServer, Host, Name, Opts) ->
{atomic, ejabberd_riak:put(#muc_room{name_host = {Name, Host},
opts = Opts},
muc_room_schema())}.
restore_room(_LServer, Host, Name) ->
case ejabberd_riak:get(muc_room, muc_room_schema(), {Name, Host}) of
{ok, #muc_room{opts = Opts}} -> Opts;
_ -> error
end.
forget_room(_LServer, Host, Name) ->
{atomic, ejabberd_riak:delete(muc_room, {Name, Host})}.
can_use_nick(LServer, Host, JID, Nick) ->
{LUser, LServer, _} = jid:tolower(JID),
LUS = {LUser, LServer},
case ejabberd_riak:get_by_index(muc_registered,
muc_registered_schema(),
<<"nick_host">>, {Nick, Host}) of
{ok, []} ->
true;
{ok, [#muc_registered{us_host = {U, _Host}}]} ->
U == LUS;
{error, _} ->
true
end.
get_rooms(_LServer, Host) ->
case ejabberd_riak:get(muc_room, muc_room_schema()) of
{ok, Rs} ->
lists:filter(
fun(#muc_room{name_host = {_, H}}) ->
Host == H
end, Rs);
_Err ->
[]
end.
get_nick(LServer, Host, From) ->
{LUser, LServer, _} = jid:tolower(From),
US = {LUser, LServer},
case ejabberd_riak:get(muc_registered,
muc_registered_schema(),
{US, Host}) of
{ok, #muc_registered{nick = Nick}} -> Nick;
{error, _} -> error
end.
set_nick(LServer, Host, From, Nick) ->
{LUser, LServer, _} = jid:tolower(From),
LUS = {LUser, LServer},
{atomic,
case Nick of
<<"">> ->
ejabberd_riak:delete(muc_registered, {LUS, Host});
_ ->
Allow = case ejabberd_riak:get_by_index(
muc_registered,
muc_registered_schema(),
<<"nick_host">>, {Nick, Host}) of
{ok, []} ->
true;
{ok, [#muc_registered{us_host = {U, _Host}}]} ->
U == LUS;
{error, _} ->
false
end,
if Allow ->
ejabberd_riak:put(#muc_registered{us_host = {LUS, Host},
nick = Nick},
muc_registered_schema(),
[{'2i', [{<<"nick_host">>,
{Nick, Host}}]}]);
true ->
false
end
end}.
import(_LServer, #muc_room{} = R) ->
ejabberd_riak:put(R, muc_room_schema());
import(_LServer, #muc_registered{us_host = {_, Host}, nick = Nick} = R) ->
ejabberd_riak:put(R, muc_registered_schema(),
[{'2i', [{<<"nick_host">>, {Nick, Host}}]}]).
%%%===================================================================
%%% Internal functions
%%%===================================================================
muc_room_schema() ->
{record_info(fields, muc_room), #muc_room{}}.
muc_registered_schema() ->
{record_info(fields, muc_registered), #muc_registered{}}.
|
