lookup_contract_terms3.c (3780B)
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_terms3.c 18 * @brief Implementation of the lookup_contract_terms3 function for Postgres 19 * @author Iván Ávalos 20 * @author Christian Grothoff 21 */ 22 #include "platform.h" 23 #include <sys/types.h> 24 #include <taler/taler_pq_lib.h> 25 #include "merchant-database/lookup_contract_terms3.h" 26 #include "helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TALER_MERCHANTDB_lookup_contract_terms3 ( 31 struct TALER_MERCHANTDB_PostgresContext *pg, 32 const char *instance_id, 33 const char *order_id, 34 const char *session_id, 35 json_t **contract_terms, 36 uint64_t *order_serial, 37 bool *paid, 38 bool *wired, 39 bool *session_matches, 40 struct TALER_ClaimTokenP *claim_token, 41 int16_t *choice_index) 42 { 43 enum GNUNET_DB_QueryStatus qs; 44 struct TALER_ClaimTokenP ct; 45 uint16_t ci = 0; 46 bool choice_index_null = false; 47 struct GNUNET_PQ_QueryParam params[] = { 48 GNUNET_PQ_query_param_string (order_id), 49 NULL == session_id 50 ? GNUNET_PQ_query_param_null () 51 : GNUNET_PQ_query_param_string (session_id), 52 GNUNET_PQ_query_param_end 53 }; 54 struct GNUNET_PQ_ResultSpec rs[] = { 55 /* contract_terms must be first! */ 56 TALER_PQ_result_spec_json ("contract_terms", 57 contract_terms), 58 GNUNET_PQ_result_spec_uint64 ("order_serial", 59 order_serial), 60 GNUNET_PQ_result_spec_bool ("paid", 61 paid), 62 GNUNET_PQ_result_spec_bool ("wired", 63 wired), 64 GNUNET_PQ_result_spec_allow_null ( 65 GNUNET_PQ_result_spec_bool ("session_matches", 66 session_matches), 67 NULL), 68 GNUNET_PQ_result_spec_auto_from_type ("claim_token", 69 &ct), 70 GNUNET_PQ_result_spec_allow_null ( 71 GNUNET_PQ_result_spec_uint16 ("choice_index", 72 &ci), 73 &choice_index_null), 74 GNUNET_PQ_result_spec_end 75 }; 76 77 GNUNET_assert (NULL != pg->current_merchant_id); 78 GNUNET_assert (0 == strcmp (instance_id, 79 pg->current_merchant_id)); 80 *session_matches = false; 81 check_connection (pg); 82 TMH_PQ_prepare_anon (pg, 83 "SELECT" 84 " contract_terms::TEXT" 85 ",order_serial" 86 ",claim_token" 87 ",paid" 88 ",wired" 89 ",(session_id=$2) AS session_matches" 90 ",choice_index" 91 " FROM merchant_contract_terms" 92 " WHERE order_id=$1"); 93 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 94 "", 95 params, 96 (NULL != contract_terms) 97 ? rs 98 : &rs[1]); 99 if (NULL != claim_token) 100 *claim_token = ct; 101 *choice_index = (choice_index_null) ? -1 : (int16_t) ci; 102 return qs; 103 }