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xmpp.chapril.org-ejabberd/src/mod_private_riak.erl
2017-05-22 10:34:57 +03:00

92 lines
3.0 KiB
Erlang

%%%-------------------------------------------------------------------
%%% File : mod_private_riak.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 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_private_riak).
-behaviour(mod_private).
%% API
-export([init/2, set_data/3, get_data/3, get_all_data/2, del_data/2,
import/3]).
-include("xmpp.hrl").
-include("mod_private.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
set_data(LUser, LServer, Data) ->
lists:foldl(
fun(_, {error, _} = Err) ->
Err;
({XMLNS, El}, _) ->
ejabberd_riak:put(#private_storage{usns = {LUser, LServer, XMLNS},
xml = El},
private_storage_schema(),
[{'2i', [{<<"us">>, {LUser, LServer}}]}])
end, ok, Data).
get_data(LUser, LServer, XMLNS) ->
case ejabberd_riak:get(private_storage, private_storage_schema(),
{LUser, LServer, XMLNS}) of
{ok, #private_storage{xml = El}} ->
{ok, El};
{error, notfound} ->
error;
Err ->
Err
end.
get_all_data(LUser, LServer) ->
case ejabberd_riak:get_by_index(
private_storage, private_storage_schema(),
<<"us">>, {LUser, LServer}) of
{ok, []} ->
error;
{ok, Res} ->
{ok, [El || #private_storage{xml = El} <- Res]};
Err ->
Err
end.
del_data(LUser, LServer) ->
ejabberd_riak:delete_by_index(private_storage,
<<"us">>, {LUser, LServer}).
import(LServer, <<"private_storage">>,
[LUser, XMLNS, XML, _TimeStamp]) ->
El = #xmlel{} = fxml_stream:parse_element(XML),
PS = #private_storage{usns = {LUser, LServer, XMLNS}, xml = El},
ejabberd_riak:put(PS, private_storage_schema(),
[{'2i', [{<<"us">>, {LUser, LServer}}]}]).
%%%===================================================================
%%% Internal functions
%%%===================================================================
private_storage_schema() ->
{record_info(fields, private_storage), #private_storage{}}.