70 lines
2.3 KiB
Erlang
70 lines
2.3 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 : 14 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%-------------------------------------------------------------------
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-module(mod_irc_mnesia).
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-behaviour(mod_irc).
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%% API
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-export([init/2, get_data/3, set_data/4, import/2]).
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-include("jlib.hrl").
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-include("mod_irc.hrl").
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-include("logger.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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mnesia:create_table(irc_custom,
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[{disc_copies, [node()]},
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{attributes, record_info(fields, irc_custom)}]),
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update_table().
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get_data(_LServer, Host, From) ->
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{U, S, _} = jid:tolower(From),
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case catch mnesia:dirty_read({irc_custom, {{U, S}, Host}}) of
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{'EXIT', _Reason} -> error;
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[] -> empty;
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[#irc_custom{data = Data}] -> Data
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end.
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set_data(_LServer, Host, From, Data) ->
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{U, S, _} = jid:tolower(From),
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F = fun () ->
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mnesia:write(#irc_custom{us_host = {{U, S}, Host},
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data = Data})
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end,
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mnesia:transaction(F).
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import(_LServer, #irc_custom{} = R) ->
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mnesia:dirty_write(R).
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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update_table() ->
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Fields = record_info(fields, irc_custom),
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case mnesia:table_info(irc_custom, attributes) of
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Fields ->
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ejabberd_config:convert_table_to_binary(
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irc_custom, Fields, set,
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fun(#irc_custom{us_host = {_, H}}) -> H end,
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fun(#irc_custom{us_host = {{U, S}, H},
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data = Data} = R) ->
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JID = jid:make(U, S, <<"">>),
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R#irc_custom{us_host = {{iolist_to_binary(U),
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iolist_to_binary(S)},
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iolist_to_binary(H)},
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data = mod_irc:data_to_binary(JID, Data)}
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end);
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_ ->
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?INFO_MSG("Recreating irc_custom table", []),
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mnesia:transform_table(irc_custom, ignore, Fields)
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end.
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