get_purse_not_closed_inconsistencies.c (5415B)
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_pq_lib.h" 17 #include "pg_helper.h" 18 #include "auditor-database/get_purse_not_closed_inconsistencies.h" 19 20 21 /** 22 * Closure for #purse_not_closed_inconsistencies_cb(). 23 */ 24 struct PurseNotClosedInconsistenciesContext 25 { 26 27 /** 28 * Function to call for each purse not closed_inconsistencies. 29 */ 30 TALER_AUDITORDB_PurseNotClosedInconsistenciesCallback cb; 31 32 /** 33 * Closure for @e cb 34 */ 35 void *cb_cls; 36 37 /** 38 * Plugin context. 39 */ 40 struct TALER_AUDITORDB_PostgresContext *pg; 41 42 /** 43 * Query status to return. 44 */ 45 enum GNUNET_DB_QueryStatus qs; 46 }; 47 48 49 /** 50 * Helper function for #TALER_AUDITORDB_get_purse_not_closed_inconsistencies(). 51 * To be called with the results of a SELECT statement 52 * that has returned @a num_results results. 53 * 54 * @param cls closure of type `struct PurseNotClosedInconsistencies *` 55 * @param result the postgres result 56 * @param num_results the number of results in @a result 57 */ 58 static void 59 purse_not_closed_inconsistencies_cb (void *cls, 60 PGresult *result, 61 unsigned int num_results) 62 { 63 struct PurseNotClosedInconsistenciesContext *dcc = cls; 64 struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg; 65 66 for (unsigned int i = 0; i < num_results; i++) 67 { 68 struct TALER_AUDITORDB_PurseNotClosedInconsistencies dc; 69 struct GNUNET_PQ_ResultSpec rs[] = { 70 GNUNET_PQ_result_spec_uint64 ("row_id", 71 &dc.row_id), 72 GNUNET_PQ_result_spec_auto_from_type ("purse_pub", 73 &dc.purse_pub), 74 TALER_PQ_RESULT_SPEC_AMOUNT ("amount", 75 &dc.amount), 76 GNUNET_PQ_result_spec_absolute_time ("expiration_date", 77 &dc.expiration_date), 78 GNUNET_PQ_result_spec_bool ("suppressed", 79 &dc.suppressed), 80 GNUNET_PQ_result_spec_end 81 }; 82 enum GNUNET_GenericReturnValue rval; 83 84 if (GNUNET_OK != 85 GNUNET_PQ_extract_result (result, 86 rs, 87 i)) 88 { 89 GNUNET_break (0); 90 dcc->qs = GNUNET_DB_STATUS_HARD_ERROR; 91 return; 92 } 93 dcc->qs = i + 1; 94 rval = dcc->cb (dcc->cb_cls, 95 &dc); 96 GNUNET_PQ_cleanup_result (rs); 97 if (GNUNET_OK != rval) 98 break; 99 } 100 } 101 102 103 enum GNUNET_DB_QueryStatus 104 TALER_AUDITORDB_get_purse_not_closed_inconsistencies (struct 105 TALER_AUDITORDB_PostgresContext 106 *pg, 107 int64_t limit, 108 uint64_t offset, 109 bool return_suppressed, 110 TALER_AUDITORDB_PurseNotClosedInconsistenciesCallback 111 cb, 112 void *cb_cls) 113 { 114 uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); 115 struct GNUNET_PQ_QueryParam params[] = { 116 GNUNET_PQ_query_param_uint64 (&offset), 117 GNUNET_PQ_query_param_bool (return_suppressed), 118 GNUNET_PQ_query_param_uint64 (&plimit), 119 GNUNET_PQ_query_param_end 120 }; 121 struct PurseNotClosedInconsistenciesContext dcc = { 122 .cb = cb, 123 .cb_cls = cb_cls, 124 .pg = pg 125 }; 126 enum GNUNET_DB_QueryStatus qs; 127 128 PREPARE (pg, 129 "auditor_purse_not_closed_inconsistencies_get_desc", 130 "SELECT" 131 " row_id" 132 ",purse_pub" 133 ",amount" 134 ",expiration_date" 135 ",suppressed" 136 " FROM auditor_purse_not_closed_inconsistencies" 137 " WHERE (row_id < $1)" 138 " AND ($2 OR NOT suppressed)" 139 " ORDER BY row_id DESC" 140 " LIMIT $3" 141 ); 142 PREPARE (pg, 143 "auditor_purse_not_closed_inconsistencies_get_asc", 144 "SELECT" 145 " row_id" 146 ",purse_pub" 147 ",amount" 148 ",expiration_date" 149 ",suppressed" 150 " FROM auditor_purse_not_closed_inconsistencies" 151 " WHERE (row_id > $1)" 152 " AND ($2 OR NOT suppressed)" 153 " ORDER BY row_id ASC" 154 " LIMIT $3" 155 ); 156 qs = GNUNET_PQ_eval_prepared_multi_select ( 157 pg->conn, 158 (limit > 0) 159 ? "auditor_purse_not_closed_inconsistencies_get_asc" 160 : "auditor_purse_not_closed_inconsistencies_get_desc", 161 params, 162 &purse_not_closed_inconsistencies_cb, 163 &dcc); 164 if (qs > 0) 165 return dcc.qs; 166 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); 167 return qs; 168 }