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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_private_sql).
-behaviour(mod_private).
%% API
-export([init/2, set_data/3, get_data/3, get_all_data/2, remove_user/2,
import/1, import/2, export/1]).
-include("jlib.hrl").
-include("mod_private.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
set_data(LUser, LServer, Data) ->
F = fun() ->
lists:foreach(
fun({XMLNS, El}) ->
SData = fxml:element_to_binary(El),
sql_queries:set_private_data(
LServer, LUser, XMLNS, SData)
end, Data)
end,
ejabberd_sql:sql_transaction(LServer, F).
get_data(LUser, LServer, XMLNS) ->
case catch sql_queries:get_private_data(LServer, LUser, XMLNS) of
{selected, [{SData}]} ->
case fxml_stream:parse_element(SData) of
Data when is_record(Data, xmlel) ->
{ok, Data};
_ ->
error
end;
_ ->
error
end.
get_all_data(LUser, LServer) ->
case catch sql_queries:get_private_data(LServer, LUser) of
{selected, Res} ->
lists:flatmap(
fun({_, SData}) ->
case fxml_stream:parse_element(SData) of
#xmlel{} = El ->
[El];
_ ->
[]
end
end, Res);
_ ->
[]
end.
remove_user(LUser, LServer) ->
sql_queries:del_user_private_storage(LServer, LUser).
export(_Server) ->
[{private_storage,
fun(Host, #private_storage{usns = {LUser, LServer, XMLNS},
xml = Data})
when LServer == Host ->
SData = fxml:element_to_binary(Data),
sql_queries:set_private_data_sql(LUser, XMLNS, SData);
(_Host, _R) ->
[]
end}].
import(LServer) ->
[{<<"select username, namespace, data from private_storage;">>,
fun([LUser, XMLNS, XML]) ->
El = #xmlel{} = fxml_stream:parse_element(XML),
#private_storage{usns = {LUser, LServer, XMLNS},
xml = El}
end}].
import(_, _) ->
pass.
%%%===================================================================
%%% Internal functions
%%%===================================================================
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