Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2026 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 : /**
17 : * @file src/auditordb/iterate_aml_holds.c
18 : * @brief Implementation of the iterate_aml_holds function for Postgres
19 : * @author Christian Grothoff
20 : */
21 : #include "taler/taler_pq_lib.h"
22 : #include "auditor-database/iterate_aml_holds.h"
23 : #include "pg_helper.h"
24 :
25 :
26 : /**
27 : * Closure for #aml_holds_cb().
28 : */
29 : struct AmlHoldsContext
30 : {
31 : /**
32 : * Function to call for each hold.
33 : */
34 : TALER_AUDITORDB_AmlHoldCallback cb;
35 :
36 : /**
37 : * Closure for @e cb.
38 : */
39 : void *cb_cls;
40 :
41 : /**
42 : * Plugin context.
43 : */
44 : struct TALER_AUDITORDB_PostgresContext *pg;
45 :
46 : /**
47 : * Query status to return.
48 : */
49 : enum GNUNET_DB_QueryStatus qs;
50 : };
51 :
52 :
53 : /**
54 : * Helper function for #TALER_AUDITORDB_iterate_aml_holds().
55 : * To be called with the results of a SELECT statement
56 : * that has returned @a num_results results.
57 : *
58 : * @param cls closure of type `struct AmlHoldsContext *`
59 : * @param result the postgres result
60 : * @param num_results the number of results in @a result
61 : */
62 : static void
63 0 : aml_holds_cb (void *cls,
64 : PGresult *result,
65 : unsigned int num_results)
66 : {
67 0 : struct AmlHoldsContext *ahc = cls;
68 0 : struct TALER_AUDITORDB_PostgresContext *pg = ahc->pg;
69 :
70 0 : for (unsigned int i = 0; i < num_results; i++)
71 : {
72 : struct TALER_AUDITORDB_AmlHold ah;
73 0 : struct GNUNET_PQ_ResultSpec rs[] = {
74 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
75 : &ah.row_id),
76 0 : GNUNET_PQ_result_spec_auto_from_type ("wtid",
77 : &ah.wtid),
78 0 : GNUNET_PQ_result_spec_auto_from_type ("wire_target_h_payto",
79 : &ah.wire_target_h_payto),
80 0 : GNUNET_PQ_result_spec_string ("account",
81 : &ah.account.full_payto),
82 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
83 : &ah.amount),
84 0 : GNUNET_PQ_result_spec_uint32 ("deferral_reason",
85 : &ah.deferral_reason),
86 0 : GNUNET_PQ_result_spec_uint64 ("legitimization_measure_serial_id",
87 : &ah.legitimization_measure_serial_id),
88 0 : GNUNET_PQ_result_spec_absolute_time ("creation_date",
89 : &ah.creation_date),
90 0 : GNUNET_PQ_result_spec_bool ("suppressed",
91 : &ah.suppressed),
92 : GNUNET_PQ_result_spec_end
93 : };
94 : enum GNUNET_GenericReturnValue rval;
95 :
96 0 : if (GNUNET_OK !=
97 0 : GNUNET_PQ_extract_result (result,
98 : rs,
99 : i))
100 : {
101 0 : GNUNET_break (0);
102 0 : ahc->qs = GNUNET_DB_STATUS_HARD_ERROR;
103 0 : return;
104 : }
105 0 : ahc->qs = i + 1;
106 0 : rval = ahc->cb (ahc->cb_cls,
107 : &ah);
108 0 : GNUNET_PQ_cleanup_result (rs);
109 0 : if (GNUNET_OK != rval)
110 0 : break;
111 : }
112 : }
113 :
114 :
115 : enum GNUNET_DB_QueryStatus
116 0 : TALER_AUDITORDB_iterate_aml_holds (
117 : struct TALER_AUDITORDB_PostgresContext *pg,
118 : TALER_AUDITORDB_AmlHoldCallback cb,
119 : TALER_AUDITORDB_AML_HOLD_RESULT_CLOSURE *cb_cls)
120 : {
121 0 : struct GNUNET_PQ_QueryParam params[] = {
122 : GNUNET_PQ_query_param_end
123 : };
124 0 : struct AmlHoldsContext ahc = {
125 : .cb = cb,
126 : .cb_cls = cb_cls,
127 : .pg = pg
128 : };
129 : enum GNUNET_DB_QueryStatus qs;
130 :
131 0 : PREPARE (pg,
132 : "iterate_aml_holds",
133 : "SELECT"
134 : " row_id"
135 : ",wtid"
136 : ",wire_target_h_payto"
137 : ",account"
138 : ",amount"
139 : ",deferral_reason"
140 : ",legitimization_measure_serial_id"
141 : ",creation_date"
142 : ",suppressed"
143 : " FROM auditor_aml_holds"
144 : " ORDER BY row_id ASC;");
145 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
146 : pg->conn,
147 : "iterate_aml_holds",
148 : params,
149 : &aml_holds_cb,
150 : &ahc);
151 0 : if (qs > 0)
152 0 : return ahc.qs;
153 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
154 0 : return qs;
155 : }
|
