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Clean mod_shared_roster.erl from DB specific code
This commit is contained in:
Evgeniy Khramtsov
parent
398f1de5ae
commit
f8e3560ad2
5 changed files with 579 additions and 440 deletions
212
src/mod_shared_roster_sql.erl
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212
src/mod_shared_roster_sql.erl
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%%%-------------------------------------------------------------------
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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_shared_roster_sql).
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-behaviour(mod_shared_roster).
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%% API
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-export([init/2, list_groups/1, groups_with_opts/1, create_group/3,
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delete_group/2, get_group_opts/2, set_group_opts/3,
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get_user_groups/2, get_group_explicit_users/2,
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get_user_displayed_groups/3, is_user_in_group/3,
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add_user_to_group/3, remove_user_from_group/3, import/1,
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import/2, export/1]).
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-include("jlib.hrl").
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-include("mod_roster.hrl").
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-include("mod_shared_roster.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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list_groups(Host) ->
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case ejabberd_odbc:sql_query(
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Host, [<<"select name from sr_group;">>]) of
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{selected, [<<"name">>], Rs} -> [G || [G] <- Rs];
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_ -> []
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end.
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groups_with_opts(Host) ->
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case ejabberd_odbc:sql_query(Host,
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[<<"select name, opts from sr_group;">>])
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of
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{selected, [<<"name">>, <<"opts">>], Rs} ->
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[{G, mod_shared_roster:opts_to_binary(ejabberd_odbc:decode_term(Opts))}
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|| [G, Opts] <- Rs];
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_ -> []
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end.
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create_group(Host, Group, Opts) ->
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SGroup = ejabberd_odbc:escape(Group),
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SOpts = ejabberd_odbc:encode_term(Opts),
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F = fun () ->
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odbc_queries:update_t(<<"sr_group">>,
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[<<"name">>, <<"opts">>], [SGroup, SOpts],
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[<<"name='">>, SGroup, <<"'">>])
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end,
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ejabberd_odbc:sql_transaction(Host, F).
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delete_group(Host, Group) ->
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SGroup = ejabberd_odbc:escape(Group),
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F = fun () ->
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ejabberd_odbc:sql_query_t([<<"delete from sr_group where name='">>,
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SGroup, <<"';">>]),
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ejabberd_odbc:sql_query_t([<<"delete from sr_user where grp='">>,
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SGroup, <<"';">>])
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end,
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case ejabberd_odbc:sql_transaction(Host, F) of
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{atomic,{updated,_}} -> {atomic, ok};
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Res -> Res
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end.
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get_group_opts(Host, Group) ->
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SGroup = ejabberd_odbc:escape(Group),
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case catch ejabberd_odbc:sql_query(
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Host,
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[<<"select opts from sr_group where name='">>,
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SGroup, <<"';">>]) of
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{selected, [<<"opts">>], [[SOpts]]} ->
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mod_shared_roster:opts_to_binary(ejabberd_odbc:decode_term(SOpts));
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_ -> error
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end.
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set_group_opts(Host, Group, Opts) ->
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SGroup = ejabberd_odbc:escape(Group),
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SOpts = ejabberd_odbc:encode_term(Opts),
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F = fun () ->
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odbc_queries:update_t(<<"sr_group">>,
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[<<"name">>, <<"opts">>], [SGroup, SOpts],
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[<<"name='">>, SGroup, <<"'">>])
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end,
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ejabberd_odbc:sql_transaction(Host, F).
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get_user_groups(US, Host) ->
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SJID = make_jid_s(US),
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case catch ejabberd_odbc:sql_query(
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Host,
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[<<"select grp from sr_user where jid='">>,
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SJID, <<"';">>]) of
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{selected, [<<"grp">>], Rs} -> [G || [G] <- Rs];
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_ -> []
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end.
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get_group_explicit_users(Host, Group) ->
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SGroup = ejabberd_odbc:escape(Group),
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case catch ejabberd_odbc:sql_query(
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Host,
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[<<"select jid from sr_user where grp='">>,
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SGroup, <<"';">>]) of
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{selected, [<<"jid">>], Rs} ->
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lists:map(
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fun([JID]) ->
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{U, S, _} = jid:tolower(jid:from_string(JID)),
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{U, S}
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end, Rs);
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_ ->
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[]
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end.
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get_user_displayed_groups(LUser, LServer, GroupsOpts) ->
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SJID = make_jid_s(LUser, LServer),
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case catch ejabberd_odbc:sql_query(
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LServer,
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[<<"select grp from sr_user where jid='">>,
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SJID, <<"';">>]) of
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{selected, [<<"grp">>], Rs} ->
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[{Group, proplists:get_value(Group, GroupsOpts, [])}
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|| [Group] <- Rs];
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_ -> []
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end.
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is_user_in_group(US, Group, Host) ->
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SJID = make_jid_s(US),
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SGroup = ejabberd_odbc:escape(Group),
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case catch ejabberd_odbc:sql_query(Host,
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[<<"select * from sr_user where jid='">>,
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SJID, <<"' and grp='">>, SGroup,
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<<"';">>]) of
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{selected, _, []} -> false;
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_ -> true
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end.
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add_user_to_group(Host, US, Group) ->
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SJID = make_jid_s(US),
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SGroup = ejabberd_odbc:escape(Group),
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F = fun () ->
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odbc_queries:update_t(<<"sr_user">>,
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[<<"jid">>, <<"grp">>], [SJID, SGroup],
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[<<"jid='">>, SJID, <<"' and grp='">>,
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SGroup, <<"'">>])
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end,
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ejabberd_odbc:sql_transaction(Host, F).
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remove_user_from_group(Host, US, Group) ->
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SJID = make_jid_s(US),
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SGroup = ejabberd_odbc:escape(Group),
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F = fun () ->
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ejabberd_odbc:sql_query_t([<<"delete from sr_user where jid='">>,
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SJID, <<"' and grp='">>, SGroup,
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<<"';">>]),
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ok
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end,
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ejabberd_odbc:sql_transaction(Host, F).
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export(_Server) ->
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[{sr_group,
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fun(Host, #sr_group{group_host = {Group, LServer}, opts = Opts})
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when LServer == Host ->
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SGroup = ejabberd_odbc:escape(Group),
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SOpts = ejabberd_odbc:encode_term(Opts),
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[[<<"delete from sr_group where name='">>, Group, <<"';">>],
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[<<"insert into sr_group(name, opts) values ('">>,
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SGroup, <<"', '">>, SOpts, <<"');">>]];
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(_Host, _R) ->
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[]
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end},
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{sr_user,
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fun(Host, #sr_user{us = {U, S}, group_host = {Group, LServer}})
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when LServer == Host ->
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SGroup = ejabberd_odbc:escape(Group),
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SJID = ejabberd_odbc:escape(
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jid:to_string(
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jid:tolower(
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jid:make(U, S, <<"">>)))),
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[[<<"delete from sr_user where jid='">>, SJID,
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<<"'and grp='">>, Group, <<"';">>],
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[<<"insert into sr_user(jid, grp) values ('">>,
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SJID, <<"', '">>, SGroup, <<"');">>]];
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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 name, opts from sr_group;">>,
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fun([Group, SOpts]) ->
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#sr_group{group_host = {Group, LServer},
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opts = ejabberd_odbc:decode_term(SOpts)}
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end},
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{<<"select jid, grp from sr_user;">>,
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fun([SJID, Group]) ->
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#jid{luser = U, lserver = S} = jid:from_string(SJID),
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#sr_user{us = {U, S}, group_host = {Group, LServer}}
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end}].
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import(_, _) ->
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pass.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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make_jid_s(U, S) ->
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ejabberd_odbc:escape(jid:to_string(jid:tolower(jid:make(U, S, <<"">>)))).
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make_jid_s({U, S}) -> make_jid_s(U, S).
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