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%%%-------------------------------------------------------------------
%%% File : mod_blocking_mnesia.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 14 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_blocking_mnesia).
-behaviour(mod_blocking).
%% API
-export([process_blocklist_block/3, unblock_by_filter/3,
process_blocklist_get/2]).
-include("mod_privacy.hrl").
%%%===================================================================
%%% API
%%%===================================================================
process_blocklist_block(LUser, LServer, Filter) ->
F = fun () ->
case mnesia:wread({privacy, {LUser, LServer}}) of
[] ->
P = #privacy{us = {LUser, LServer}},
NewDefault = <<"Blocked contacts">>,
NewLists1 = [],
List = [];
[#privacy{default = Default, lists = Lists} = P] ->
case lists:keysearch(Default, 1, Lists) of
{value, {_, List}} ->
NewDefault = Default,
NewLists1 = lists:keydelete(Default, 1, Lists);
false ->
NewDefault = <<"Blocked contacts">>,
NewLists1 = Lists,
List = []
end
end,
NewList = Filter(List),
NewLists = [{NewDefault, NewList} | NewLists1],
mnesia:write(P#privacy{default = NewDefault,
lists = NewLists}),
{ok, NewDefault, NewList}
end,
mnesia:transaction(F).
unblock_by_filter(LUser, LServer, Filter) ->
F = fun () ->
case mnesia:read({privacy, {LUser, LServer}}) of
[] ->
%% No lists, nothing to unblock
ok;
[#privacy{default = Default, lists = Lists} = P] ->
case lists:keysearch(Default, 1, Lists) of
{value, {_, List}} ->
NewList = Filter(List),
NewLists1 = lists:keydelete(Default, 1, Lists),
NewLists = [{Default, NewList} | NewLists1],
mnesia:write(P#privacy{lists = NewLists}),
{ok, Default, NewList};
false ->
%% No default list, nothing to unblock
ok
end
end
end,
mnesia:transaction(F).
process_blocklist_get(LUser, LServer) ->
case catch mnesia:dirty_read(privacy, {LUser, LServer}) of
{'EXIT', _Reason} -> error;
[] -> [];
[#privacy{default = Default, lists = Lists}] ->
case lists:keysearch(Default, 1, Lists) of
{value, {_, List}} -> List;
_ -> []
end
end.
%%%===================================================================
%%% Internal functions
%%%===================================================================
|
