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%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2016, Evgeny Khramtsov
%%% @doc
%%%
%%% @end
%%% Created : 14 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
-module(mod_irc_sql).
-behaviour(mod_irc).
%% API
-export([init/2, get_data/3, set_data/4, import/1, import/2, export/1]).
-include("jlib.hrl").
-include("mod_irc.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
ok.
get_data(LServer, Host, From) ->
LJID = jid:tolower(jid:remove_resource(From)),
SJID = ejabberd_odbc:escape(jid:to_string(LJID)),
SHost = ejabberd_odbc:escape(Host),
case catch ejabberd_odbc:sql_query(
LServer,
[<<"select data from irc_custom where jid='">>,
SJID, <<"' and host='">>, SHost,
<<"';">>]) of
{selected, [<<"data">>], [[SData]]} ->
mod_irc:data_to_binary(From, ejabberd_odbc:decode_term(SData));
{'EXIT', _} -> error;
{selected, _, _} -> empty
end.
set_data(LServer, Host, From, Data) ->
LJID = jid:tolower(jid:remove_resource(From)),
SJID = ejabberd_odbc:escape(jid:to_string(LJID)),
SHost = ejabberd_odbc:escape(Host),
SData = ejabberd_odbc:encode_term(Data),
F = fun () ->
odbc_queries:update_t(<<"irc_custom">>,
[<<"jid">>, <<"host">>, <<"data">>],
[SJID, SHost, SData],
[<<"jid='">>, SJID, <<"' and host='">>,
SHost, <<"'">>]),
ok
end,
ejabberd_odbc:sql_transaction(LServer, F).
export(_Server) ->
[{irc_custom,
fun(Host, #irc_custom{us_host = {{U, S}, IRCHost},
data = Data}) ->
case str:suffix(Host, IRCHost) of
true ->
SJID = ejabberd_odbc:escape(
jid:to_string(
jid:make(U, S, <<"">>))),
SIRCHost = ejabberd_odbc:escape(IRCHost),
SData = ejabberd_odbc:encode_term(Data),
[[<<"delete from irc_custom where jid='">>, SJID,
<<"' and host='">>, SIRCHost, <<"';">>],
[<<"insert into irc_custom(jid, host, "
"data) values ('">>,
SJID, <<"', '">>, SIRCHost, <<"', '">>, SData,
<<"');">>]];
false ->
[]
end
end}].
import(_LServer) ->
[{<<"select jid, host, data from irc_custom;">>,
fun([SJID, IRCHost, SData]) ->
#jid{luser = U, lserver = S} = jid:from_string(SJID),
Data = ejabberd_odbc:decode_term(SData),
#irc_custom{us_host = {{U, S}, IRCHost},
data = Data}
end}].
import(_, _) ->
pass.
%%%===================================================================
%%% Internal functions
%%%===================================================================
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