Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2024 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify it under the
6 : terms of the GNU General Public License as published by the Free Software
7 : Foundation; either version 3, or (at your option) any later version.
8 :
9 : TALER is distributed in the hope that it will be useful, but WITHOUT ANY
10 : WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11 : A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12 :
13 : You should have received a copy of the GNU General Public License along with
14 : TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
15 : */
16 : #include "taler/taler_error_codes.h"
17 : #include "taler/taler_dbevents.h"
18 : #include "taler/taler_pq_lib.h"
19 : #include "pg_helper.h"
20 : #include "auditor-database/get_auditor_closure_lags.h"
21 :
22 :
23 : struct ClosureLagsContext
24 : {
25 :
26 : /**
27 : * Function to call for each closure lag .
28 : */
29 : TALER_AUDITORDB_ClosureLagsCallback cb;
30 :
31 : /**
32 : * Closure for @e cb
33 : */
34 : void *cb_cls;
35 :
36 : /**
37 : * Plugin context.
38 : */
39 : struct TALER_AUDITORDB_PostgresContext *pg;
40 :
41 : /**
42 : * Query status to return.
43 : */
44 : enum GNUNET_DB_QueryStatus qs;
45 : };
46 :
47 :
48 : /**
49 : * Helper function for #TALER_AUDITORDB_get_auditor_closure_lags().
50 : * To be called with the results of a SELECT statement
51 : * that has returned @a num_results results.
52 : *
53 : * @param cls closure of type `struct ClosureLagsContext *`
54 : * @param result the postgres result
55 : * @param num_results the number of results in @a result
56 : */
57 : static void
58 0 : closure_lags_cb (void *cls,
59 : PGresult *result,
60 : unsigned int num_results)
61 : {
62 0 : struct ClosureLagsContext *dcc = cls;
63 0 : struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg;
64 :
65 0 : for (unsigned int i = 0; i < num_results; i++)
66 : {
67 : struct TALER_AUDITORDB_ClosureLags dc;
68 0 : struct GNUNET_PQ_ResultSpec rs[] = {
69 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
70 : &dc.row_id),
71 0 : GNUNET_PQ_result_spec_uint64 ("problem_row_id",
72 : &dc.problem_row_id),
73 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
74 : &dc.amount),
75 0 : GNUNET_PQ_result_spec_absolute_time ("deadline",
76 : &dc.deadline),
77 0 : GNUNET_PQ_result_spec_auto_from_type ("wtid",
78 : &dc.wtid),
79 0 : GNUNET_PQ_result_spec_string ("account",
80 : &dc.account.full_payto),
81 0 : GNUNET_PQ_result_spec_bool ("suppressed",
82 : &dc.suppressed),
83 : GNUNET_PQ_result_spec_end
84 : };
85 : enum GNUNET_GenericReturnValue rval;
86 :
87 0 : if (GNUNET_OK !=
88 0 : GNUNET_PQ_extract_result (result,
89 : rs,
90 : i))
91 : {
92 0 : GNUNET_break (0);
93 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
94 0 : return;
95 : }
96 0 : dcc->qs = i + 1;
97 0 : rval = dcc->cb (dcc->cb_cls,
98 : &dc);
99 0 : GNUNET_PQ_cleanup_result (rs);
100 0 : if (GNUNET_OK != rval)
101 0 : break;
102 : }
103 : }
104 :
105 :
106 : enum GNUNET_DB_QueryStatus
107 0 : TALER_AUDITORDB_get_auditor_closure_lags (
108 : struct TALER_AUDITORDB_PostgresContext *pg,
109 : int64_t limit,
110 : uint64_t offset,
111 : bool return_suppressed,
112 : TALER_AUDITORDB_ClosureLagsCallback cb,
113 : void *cb_cls)
114 : {
115 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
116 0 : struct GNUNET_PQ_QueryParam params[] = {
117 0 : GNUNET_PQ_query_param_uint64 (&offset),
118 0 : GNUNET_PQ_query_param_bool (return_suppressed),
119 0 : GNUNET_PQ_query_param_uint64 (&plimit),
120 : GNUNET_PQ_query_param_end
121 : };
122 0 : struct ClosureLagsContext dcc = {
123 : .cb = cb,
124 : .cb_cls = cb_cls,
125 : .pg = pg
126 : };
127 : enum GNUNET_DB_QueryStatus qs;
128 :
129 0 : PREPARE (pg,
130 : "auditor_closure_lags_get_desc",
131 : "SELECT"
132 : " row_id"
133 : ",problem_row_id"
134 : ",amount"
135 : ",deadline"
136 : ",wtid"
137 : ",account"
138 : ",suppressed"
139 : " FROM auditor_closure_lags"
140 : " WHERE (row_id < $1)"
141 : " AND ($2 OR NOT suppressed)"
142 : " ORDER BY row_id DESC"
143 : " LIMIT $3"
144 : );
145 0 : PREPARE (pg,
146 : "auditor_closure_lags_get_asc",
147 : "SELECT"
148 : " row_id"
149 : ",problem_row_id"
150 : ",amount"
151 : ",deadline"
152 : ",wtid"
153 : ",account"
154 : ",suppressed"
155 : " FROM auditor_closure_lags"
156 : " WHERE (row_id > $1)"
157 : " AND ($2 OR NOT suppressed)"
158 : " ORDER BY row_id ASC"
159 : " LIMIT $3"
160 : );
161 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
162 : pg->conn,
163 : (limit > 0)
164 : ? "auditor_closure_lags_get_asc"
165 : : "auditor_closure_lags_get_desc",
166 : params,
167 : &closure_lags_cb,
168 : &dcc);
169 0 : if (qs > 0)
170 0 : return dcc.qs;
171 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
172 0 : return qs;
173 : }
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