delete_product.c (2197B)
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 src/backenddb/delete_product.c 18 * @brief Implementation of the delete_product 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 "merchant-database/delete_product.h" 26 #include "helper.h" 27 28 enum GNUNET_DB_QueryStatus 29 TALER_MERCHANTDB_delete_product (struct TALER_MERCHANTDB_PostgresContext *pg, 30 const char *instance_id, 31 const char *product_id) 32 { 33 struct GNUNET_PQ_QueryParam params[] = { 34 GNUNET_PQ_query_param_string (instance_id), 35 GNUNET_PQ_query_param_string (product_id), 36 GNUNET_PQ_query_param_end 37 }; 38 39 check_connection (pg); 40 PREPARE (pg, 41 "delete_product", 42 "DELETE" 43 " FROM merchant_inventory" 44 " WHERE merchant_inventory.merchant_serial=" 45 " (SELECT merchant_serial " 46 " FROM merchant_instances" 47 " WHERE merchant_id=$1)" 48 " AND merchant_inventory.product_id=$2" 49 " AND product_serial NOT IN " 50 " (SELECT product_serial FROM merchant_order_locks)" 51 " AND product_serial NOT IN " 52 " (SELECT product_serial FROM merchant_inventory_locks)"); 53 return GNUNET_PQ_eval_prepared_non_select (pg->conn, 54 "delete_product", 55 params); 56 }