get_external_refund.c (2459B)
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/backenddb/get_external_refund.c 18 * @brief Implementation of the get_external_refund function for Postgres 19 * @author Bohdan Potuzhnyi 20 * @author Volodymyr Potuzhnyi 21 */ 22 #include "platform.h" 23 #include <taler/taler_pq_lib.h> 24 #include "merchant-database/get_external_refund.h" 25 #include "helper.h" 26 27 28 enum GNUNET_DB_QueryStatus 29 TALER_MERCHANTDB_get_external_refund ( 30 struct TALER_MERCHANTDB_PostgresContext *pg, 31 const char *instance_id, 32 const char *order_id, 33 const char *refund_id, 34 struct TALER_MerchantPostDataHashP *h_post_data) 35 { 36 struct GNUNET_PQ_QueryParam params[] = { 37 GNUNET_PQ_query_param_string (order_id), 38 GNUNET_PQ_query_param_string (refund_id), 39 GNUNET_PQ_query_param_end 40 }; 41 struct GNUNET_PQ_ResultSpec rs[] = { 42 GNUNET_PQ_result_spec_auto_from_type ("h_post_data", 43 h_post_data), 44 GNUNET_PQ_result_spec_end 45 }; 46 47 GNUNET_assert (NULL != pg->current_merchant_id); 48 GNUNET_assert (0 == strcmp (instance_id, 49 pg->current_merchant_id)); 50 /* no preflight check here, run in transaction by caller! */ 51 TMH_PQ_prepare_anon (pg, 52 "SELECT" 53 " h_post_data" 54 " FROM merchant_refunds_external" 55 " WHERE refund_id=$2" 56 " AND order_serial=" 57 " (SELECT order_serial" 58 " FROM merchant_contract_terms" 59 " WHERE order_id=$1)"); 60 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 61 "", 62 params, 63 rs); 64 }