lookup_contract_terms3.c (4266B)
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_error_codes.h> 25 #include <taler/taler_dbevents.h> 26 #include <taler/taler_pq_lib.h> 27 #include "merchant-database/lookup_contract_terms3.h" 28 #include "helper.h" 29 30 31 enum GNUNET_DB_QueryStatus 32 TALER_MERCHANTDB_lookup_contract_terms3 (struct TALER_MERCHANTDB_PostgresContext *pg, 33 const char *instance_id, 34 const char *order_id, 35 const char *session_id, 36 json_t **contract_terms, 37 uint64_t *order_serial, 38 bool *paid, 39 bool *wired, 40 bool *session_matches, 41 struct TALER_ClaimTokenP *claim_token, 42 int16_t *choice_index) 43 { 44 enum GNUNET_DB_QueryStatus qs; 45 struct TALER_ClaimTokenP ct; 46 uint16_t ci = 0; 47 bool choice_index_null = false; 48 struct GNUNET_PQ_QueryParam params[] = { 49 GNUNET_PQ_query_param_string (instance_id), 50 GNUNET_PQ_query_param_string (order_id), 51 NULL == session_id 52 ? GNUNET_PQ_query_param_null () 53 : GNUNET_PQ_query_param_string (session_id), 54 GNUNET_PQ_query_param_end 55 }; 56 struct GNUNET_PQ_ResultSpec rs[] = { 57 /* contract_terms must be first! */ 58 TALER_PQ_result_spec_json ("contract_terms", 59 contract_terms), 60 GNUNET_PQ_result_spec_uint64 ("order_serial", 61 order_serial), 62 GNUNET_PQ_result_spec_bool ("paid", 63 paid), 64 GNUNET_PQ_result_spec_bool ("wired", 65 wired), 66 GNUNET_PQ_result_spec_allow_null ( 67 GNUNET_PQ_result_spec_bool ("session_matches", 68 session_matches), 69 NULL), 70 GNUNET_PQ_result_spec_auto_from_type ("claim_token", 71 &ct), 72 GNUNET_PQ_result_spec_allow_null ( 73 GNUNET_PQ_result_spec_uint16 ("choice_index", 74 &ci), 75 &choice_index_null), 76 GNUNET_PQ_result_spec_end 77 }; 78 79 *session_matches = false; 80 check_connection (pg); 81 PREPARE (pg, 82 "lookup_contract_terms3", 83 "SELECT" 84 " contract_terms::TEXT" 85 ",order_serial" 86 ",claim_token" 87 ",paid" 88 ",wired" 89 ",(session_id=$3) AS session_matches" 90 ",choice_index" 91 " FROM merchant_contract_terms" 92 " WHERE order_id=$2" 93 " AND merchant_serial=" 94 " (SELECT merchant_serial" 95 " FROM merchant_instances" 96 " WHERE merchant_id=$1)"); 97 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 98 "lookup_contract_terms3", 99 params, 100 (NULL != contract_terms) 101 ? rs 102 : &rs[1]); 103 if (NULL != claim_token) 104 *claim_token = ct; 105 if (! choice_index_null) 106 *choice_index = (int16_t) ci; 107 else 108 *choice_index = -1; 109 return qs; 110 }