lookup_contract_terms2.c (3395B)
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_pq_lib.h> 23 #include "merchant-database/lookup_contract_terms2.h" 24 #include "helper.h" 25 26 27 enum GNUNET_DB_QueryStatus 28 TALER_MERCHANTDB_lookup_contract_terms2 ( 29 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 (order_id), 43 GNUNET_PQ_query_param_end 44 }; 45 uint32_t pos32; 46 struct GNUNET_PQ_ResultSpec rs[] = { 47 /* contract_terms must be first! */ 48 TALER_PQ_result_spec_json ("contract_terms", 49 contract_terms), 50 GNUNET_PQ_result_spec_uint64 ("order_serial", 51 order_serial), 52 GNUNET_PQ_result_spec_bool ("paid", 53 paid), 54 GNUNET_PQ_result_spec_auto_from_type ("claim_token", 55 &ct), 56 GNUNET_PQ_result_spec_allow_null ( 57 GNUNET_PQ_result_spec_string ("pos_key", 58 pos_key), 59 NULL), 60 GNUNET_PQ_result_spec_allow_null ( 61 GNUNET_PQ_result_spec_uint32 ("pos_algorithm", 62 &pos32), 63 NULL), 64 GNUNET_PQ_result_spec_end 65 }; 66 67 GNUNET_assert (NULL != pg->current_merchant_id); 68 GNUNET_assert (0 == strcmp (instance_id, 69 pg->current_merchant_id)); 70 check_connection (pg); 71 TMH_PQ_prepare_anon (pg, 72 "SELECT" 73 " contract_terms::TEXT" 74 ",order_serial" 75 ",claim_token" 76 ",paid" 77 ",pos_key" 78 ",pos_algorithm" 79 " FROM merchant_contract_terms" 80 " WHERE order_id=$1"); 81 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 82 "", 83 params, 84 (NULL != contract_terms) 85 ? rs 86 : &rs[1]); 87 *pos_algorithm = (enum TALER_MerchantConfirmationAlgorithm) pos32; 88 if (NULL != claim_token) 89 *claim_token = ct; 90 return qs; 91 }