118 lines
3.9 KiB
Erlang
118 lines
3.9 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% @copyright (C) 2016, Evgeny Khramtsov
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%%% @doc
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%%%
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%%% @end
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%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%-------------------------------------------------------------------
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-module(mod_muc_riak).
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-behaviour(mod_muc).
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%% API
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-export([init/2, import/2, store_room/4, restore_room/3, forget_room/3,
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can_use_nick/4, get_rooms/2, get_nick/3, set_nick/4]).
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-include("mod_muc.hrl").
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%%%===================================================================
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%%% API
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%%%===================================================================
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init(_Host, _Opts) ->
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ok.
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store_room(_LServer, Host, Name, Opts) ->
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{atomic, ejabberd_riak:put(#muc_room{name_host = {Name, Host},
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opts = Opts},
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muc_room_schema())}.
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restore_room(_LServer, Host, Name) ->
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case ejabberd_riak:get(muc_room, muc_room_schema(), {Name, Host}) of
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{ok, #muc_room{opts = Opts}} -> Opts;
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_ -> error
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end.
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forget_room(_LServer, Host, Name) ->
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{atomic, ejabberd_riak:delete(muc_room, {Name, Host})}.
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can_use_nick(LServer, Host, JID, Nick) ->
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{LUser, LServer, _} = jid:tolower(JID),
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LUS = {LUser, LServer},
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case ejabberd_riak:get_by_index(muc_registered,
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muc_registered_schema(),
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<<"nick_host">>, {Nick, Host}) of
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{ok, []} ->
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true;
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{ok, [#muc_registered{us_host = {U, _Host}}]} ->
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U == LUS;
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{error, _} ->
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true
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end.
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get_rooms(_LServer, Host) ->
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case ejabberd_riak:get(muc_room, muc_room_schema()) of
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{ok, Rs} ->
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lists:filter(
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fun(#muc_room{name_host = {_, H}}) ->
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Host == H
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end, Rs);
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_Err ->
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[]
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end.
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get_nick(LServer, Host, From) ->
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{LUser, LServer, _} = jid:tolower(From),
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US = {LUser, LServer},
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case ejabberd_riak:get(muc_registered,
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muc_registered_schema(),
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{US, Host}) of
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{ok, #muc_registered{nick = Nick}} -> Nick;
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{error, _} -> error
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end.
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set_nick(LServer, Host, From, Nick) ->
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{LUser, LServer, _} = jid:tolower(From),
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LUS = {LUser, LServer},
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{atomic,
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case Nick of
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<<"">> ->
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ejabberd_riak:delete(muc_registered, {LUS, Host});
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_ ->
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Allow = case ejabberd_riak:get_by_index(
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muc_registered,
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muc_registered_schema(),
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<<"nick_host">>, {Nick, Host}) of
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{ok, []} ->
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true;
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{ok, [#muc_registered{us_host = {U, _Host}}]} ->
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U == LUS;
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{error, _} ->
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false
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end,
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if Allow ->
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ejabberd_riak:put(#muc_registered{us_host = {LUS, Host},
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nick = Nick},
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muc_registered_schema(),
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[{'2i', [{<<"nick_host">>,
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{Nick, Host}}]}]);
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true ->
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false
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end
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end}.
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import(_LServer, #muc_room{} = R) ->
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ejabberd_riak:put(R, muc_room_schema());
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import(_LServer, #muc_registered{us_host = {_, Host}, nick = Nick} = R) ->
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ejabberd_riak:put(R, muc_registered_schema(),
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[{'2i', [{<<"nick_host">>, {Nick, Host}}]}]).
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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muc_room_schema() ->
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{record_info(fields, muc_room), #muc_room{}}.
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muc_registered_schema() ->
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{record_info(fields, muc_registered), #muc_registered{}}.
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