80 lines
2.5 KiB
Erlang
80 lines
2.5 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 : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%-------------------------------------------------------------------
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-module(mod_vcard_xupdate_sql).
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%% API
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-export([init/2, import/2, add_xupdate/3, get_xupdate/2, remove_xupdate/2,
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import/1, export/1]).
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-include("mod_vcard_xupdate.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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ok.
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add_xupdate(LUser, LServer, Hash) ->
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Username = ejabberd_sql:escape(LUser),
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SHash = ejabberd_sql:escape(Hash),
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F = fun () ->
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sql_queries:update_t(<<"vcard_xupdate">>,
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[<<"username">>, <<"hash">>],
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[Username, SHash],
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[<<"username='">>, Username, <<"'">>])
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end,
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ejabberd_sql:sql_transaction(LServer, F).
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get_xupdate(LUser, LServer) ->
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Username = ejabberd_sql:escape(LUser),
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case ejabberd_sql:sql_query(LServer,
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[<<"select hash from vcard_xupdate where "
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"username='">>,
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Username, <<"';">>])
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of
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{selected, [<<"hash">>], [[Hash]]} -> Hash;
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_ -> undefined
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end.
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remove_xupdate(LUser, LServer) ->
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Username = ejabberd_sql:escape(LUser),
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F = fun () ->
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ejabberd_sql:sql_query_t([<<"delete from vcard_xupdate where username='">>,
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Username, <<"';">>])
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end,
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ejabberd_sql:sql_transaction(LServer, F).
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export(_Server) ->
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[{vcard_xupdate,
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fun(Host, #vcard_xupdate{us = {LUser, LServer}, hash = Hash})
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when LServer == Host ->
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Username = ejabberd_sql:escape(LUser),
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SHash = ejabberd_sql:escape(Hash),
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[[<<"delete from vcard_xupdate where username='">>,
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Username, <<"';">>],
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[<<"insert into vcard_xupdate(username, "
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"hash) values ('">>,
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Username, <<"', '">>, SHash, <<"');">>]];
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(_Host, _R) ->
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[]
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end}].
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import(LServer) ->
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[{<<"select username, hash from vcard_xupdate;">>,
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fun([LUser, Hash]) ->
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#vcard_xupdate{us = {LUser, LServer}, hash = Hash}
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end}].
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import(_LServer, _) ->
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pass.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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