lookup_contract_terms2.c (3777B)
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/lookup_contract_terms2.c 18 * @brief Implementation of the lookup_contract_terms2 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/lookup_contract_terms2.h" 26 #include "helper.h" 27 28 enum GNUNET_DB_QueryStatus 29 TALER_MERCHANTDB_lookup_contract_terms2 (struct TALER_MERCHANTDB_PostgresContext *pg, 30 const char *instance_id, 31 const char *order_id, 32 json_t **contract_terms, 33 uint64_t *order_serial, 34 bool *paid, 35 struct TALER_ClaimTokenP *claim_token, 36 char **pos_key, 37 enum TALER_MerchantConfirmationAlgorithm *pos_algorithm) 38 { 39 enum GNUNET_DB_QueryStatus qs; 40 struct TALER_ClaimTokenP ct; 41 struct GNUNET_PQ_QueryParam params[] = { 42 GNUNET_PQ_query_param_string (instance_id), 43 GNUNET_PQ_query_param_string (order_id), 44 GNUNET_PQ_query_param_end 45 }; 46 uint32_t pos32; 47 struct GNUNET_PQ_ResultSpec rs[] = { 48 /* contract_terms must be first! */ 49 TALER_PQ_result_spec_json ("contract_terms", 50 contract_terms), 51 GNUNET_PQ_result_spec_uint64 ("order_serial", 52 order_serial), 53 GNUNET_PQ_result_spec_bool ("paid", 54 paid), 55 GNUNET_PQ_result_spec_auto_from_type ("claim_token", 56 &ct), 57 GNUNET_PQ_result_spec_allow_null ( 58 GNUNET_PQ_result_spec_string ("pos_key", 59 pos_key), 60 NULL), 61 GNUNET_PQ_result_spec_allow_null ( 62 GNUNET_PQ_result_spec_uint32 ("pos_algorithm", 63 &pos32), 64 NULL), 65 GNUNET_PQ_result_spec_end 66 }; 67 68 check_connection (pg); 69 PREPARE (pg, 70 "lookup_contract_terms2", 71 "SELECT" 72 " contract_terms::TEXT" 73 ",order_serial" 74 ",claim_token" 75 ",paid" 76 ",pos_key" 77 ",pos_algorithm" 78 " FROM merchant_contract_terms" 79 " WHERE order_id=$2" 80 " AND merchant_serial=" 81 " (SELECT merchant_serial" 82 " FROM merchant_instances" 83 " WHERE merchant_id=$1)"); 84 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 85 "lookup_contract_terms2", 86 params, 87 (NULL != contract_terms) 88 ? rs 89 : &rs[1]); 90 *pos_algorithm = (enum TALER_MerchantConfirmationAlgorithm) pos32; 91 if (NULL != claim_token) 92 *claim_token = ct; 93 return qs; 94 }