update_template.c (2987B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022-2024 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 /** 17 * @file src/backenddb/update_template.c 18 * @brief Implementation of the update_template function for Postgres 19 * @author Christian Grothoff 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/update_template.h" 26 #include "helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TALER_MERCHANTDB_update_template (struct TALER_MERCHANTDB_PostgresContext *pg, 31 const char *instance_id, 32 const char *template_id, 33 const struct TALER_MERCHANTDB_TemplateDetails *td) 34 { 35 struct GNUNET_PQ_QueryParam params[] = { 36 GNUNET_PQ_query_param_string (instance_id), 37 GNUNET_PQ_query_param_string (template_id), 38 GNUNET_PQ_query_param_string (td->template_description), 39 (NULL == td->otp_id) 40 ? GNUNET_PQ_query_param_null () 41 : GNUNET_PQ_query_param_string (td->otp_id), 42 TALER_PQ_query_param_json (td->template_contract), 43 (NULL == td->editable_defaults) 44 ? GNUNET_PQ_query_param_null () 45 : TALER_PQ_query_param_json (td->editable_defaults), 46 GNUNET_PQ_query_param_end 47 }; 48 enum GNUNET_DB_QueryStatus qs; 49 50 check_connection (pg); 51 PREPARE (pg, 52 "update_template", 53 "WITH mid AS (" 54 " SELECT merchant_serial" 55 " FROM merchant_instances" 56 " WHERE merchant_id=$1)" 57 ",otp AS (" 58 " SELECT otp_serial" 59 " FROM merchant_otp_devices" 60 " JOIN mid USING (merchant_serial)" 61 " WHERE otp_id=$4)" 62 "UPDATE merchant_template SET" 63 " template_description=$3" 64 ",otp_device_id=" 65 " COALESCE((SELECT otp_serial" 66 " FROM otp), NULL)" 67 ",template_contract=$5::TEXT::JSONB" 68 ",editable_defaults=$6::TEXT::JSONB" 69 " WHERE merchant_serial=" 70 " (SELECT merchant_serial" 71 " FROM mid)" 72 " AND template_id=$2"); 73 qs = GNUNET_PQ_eval_prepared_non_select (pg->conn, 74 "update_template", 75 params); 76 GNUNET_PQ_cleanup_query_params_closures (params); 77 return qs; 78 }