1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
%%%-------------------------------------------------------------------
%%% @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_vcard_xupdate_mnesia).
-behaviour(mod_vcard_xupdate).
%% API
-export([init/2, import/2, add_xupdate/3, get_xupdate/2, remove_xupdate/2]).
-include("mod_vcard_xupdate.hrl").
-include("logger.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(_Host, _Opts) ->
mnesia:create_table(vcard_xupdate,
[{disc_copies, [node()]},
{attributes,
record_info(fields, vcard_xupdate)}]),
update_table().
add_xupdate(LUser, LServer, Hash) ->
F = fun () ->
mnesia:write(#vcard_xupdate{us = {LUser, LServer},
hash = Hash})
end,
mnesia:transaction(F).
get_xupdate(LUser, LServer) ->
case mnesia:dirty_read(vcard_xupdate, {LUser, LServer})
of
[#vcard_xupdate{hash = Hash}] -> Hash;
_ -> undefined
end.
remove_xupdate(LUser, LServer) ->
F = fun () ->
mnesia:delete({vcard_xupdate, {LUser, LServer}})
end,
mnesia:transaction(F).
import(_LServer, #vcard_xupdate{} = R) ->
mnesia:dirty_write(R).
%%%===================================================================
%%% Internal functions
%%%===================================================================
update_table() ->
Fields = record_info(fields, vcard_xupdate),
case mnesia:table_info(vcard_xupdate, attributes) of
Fields ->
ejabberd_config:convert_table_to_binary(
vcard_xupdate, Fields, set,
fun(#vcard_xupdate{us = {U, _}}) -> U end,
fun(#vcard_xupdate{us = {U, S}, hash = Hash} = R) ->
R#vcard_xupdate{us = {iolist_to_binary(U),
iolist_to_binary(S)},
hash = iolist_to_binary(Hash)}
end);
_ ->
?INFO_MSG("Recreating vcard_xupdate table", []),
mnesia:transform_table(vcard_xupdate, ignore, Fields)
end.
|
