pg_delete_contract_terms.c (2320B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 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 backenddb/pg_delete_contract_terms.c 18 * @brief Implementation of the delete_contract_terms function for Postgres 19 * @author Iván Ávalos 20 */ 21 #include "platform.h" 22 #include <taler/taler_error_codes.h> 23 #include <taler/taler_dbevents.h> 24 #include <taler/taler_pq_lib.h> 25 #include "pg_delete_contract_terms.h" 26 #include "pg_helper.h" 27 28 enum GNUNET_DB_QueryStatus 29 TMH_PG_delete_contract_terms (void *cls, 30 const char *instance_id, 31 const char *order_id, 32 struct GNUNET_TIME_Relative legal_expiration) 33 { 34 struct PostgresClosure *pg = cls; 35 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get (); 36 struct GNUNET_PQ_QueryParam params[] = { 37 GNUNET_PQ_query_param_string (instance_id), 38 GNUNET_PQ_query_param_string (order_id), 39 GNUNET_PQ_query_param_relative_time (&legal_expiration), 40 GNUNET_PQ_query_param_absolute_time (&now), 41 GNUNET_PQ_query_param_end 42 }; 43 44 check_connection (pg); 45 PREPARE (pg, 46 "delete_contract_terms", 47 "DELETE FROM merchant_contract_terms" 48 " WHERE order_id=$2" 49 " AND merchant_serial=" 50 " (SELECT merchant_serial" 51 " FROM merchant_instances" 52 " WHERE merchant_id=$1)" 53 " AND ( ( (pay_deadline < $4) AND" 54 " (NOT paid) ) OR" 55 " (creation_time + $3 < $4) )"); 56 return GNUNET_PQ_eval_prepared_non_select (pg->conn, 57 "delete_contract_terms", 58 params); 59 }