get_wire_accounts.c (5548B)
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 exchangedb/get_wire_accounts.c 18 * @brief Implementation of the get_wire_accounts function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/get_wire_accounts.h" 23 #include "helper.h" 24 25 26 /** 27 * Closure for #get_wire_accounts_cb(). 28 */ 29 struct GetWireAccountsContext 30 { 31 /** 32 * Function to call per result. 33 */ 34 TALER_EXCHANGEDB_WireAccountCallback cb; 35 36 /** 37 * Closure for @e cb. 38 */ 39 void *cb_cls; 40 41 /** 42 * Flag set to #GNUNET_OK as long as everything is fine. 43 */ 44 enum GNUNET_GenericReturnValue status; 45 46 }; 47 48 49 /** 50 * Invoke the callback for each result. 51 * 52 * @param cls a `struct MissingWireContext *` 53 * @param result SQL result 54 * @param num_results number of rows in @a result 55 */ 56 static void 57 get_wire_accounts_cb (void *cls, 58 PGresult *result, 59 unsigned int num_results) 60 { 61 struct GetWireAccountsContext *ctx = cls; 62 63 for (unsigned int i = 0; i < num_results; i++) 64 { 65 struct TALER_FullPayto payto_uri; 66 char *conversion_url = NULL; 67 char *open_banking_gateway = NULL; 68 char *wire_transfer_gateway = NULL; 69 json_t *debit_restrictions = NULL; 70 json_t *credit_restrictions = NULL; 71 struct TALER_MasterSignatureP master_sig; 72 char *bank_label = NULL; 73 int64_t priority; 74 struct GNUNET_PQ_ResultSpec rs[] = { 75 GNUNET_PQ_result_spec_string ("payto_uri", 76 &payto_uri.full_payto), 77 GNUNET_PQ_result_spec_allow_null ( 78 GNUNET_PQ_result_spec_string ("conversion_url", 79 &conversion_url), 80 NULL), 81 GNUNET_PQ_result_spec_allow_null ( 82 GNUNET_PQ_result_spec_string ("open_banking_gateway", 83 &open_banking_gateway), 84 NULL), 85 GNUNET_PQ_result_spec_allow_null ( 86 GNUNET_PQ_result_spec_string ("wire_transfer_gateway", 87 &wire_transfer_gateway), 88 NULL), 89 GNUNET_PQ_result_spec_allow_null ( 90 GNUNET_PQ_result_spec_string ("bank_label", 91 &bank_label), 92 NULL), 93 GNUNET_PQ_result_spec_int64 ("priority", 94 &priority), 95 GNUNET_PQ_result_spec_allow_null ( 96 TALER_PQ_result_spec_json ("debit_restrictions", 97 &debit_restrictions), 98 NULL), 99 GNUNET_PQ_result_spec_allow_null ( 100 TALER_PQ_result_spec_json ("credit_restrictions", 101 &credit_restrictions), 102 NULL), 103 GNUNET_PQ_result_spec_auto_from_type ("master_sig", 104 &master_sig), 105 GNUNET_PQ_result_spec_end 106 }; 107 108 if (GNUNET_OK != 109 GNUNET_PQ_extract_result (result, 110 rs, 111 i)) 112 { 113 GNUNET_break (0); 114 ctx->status = GNUNET_SYSERR; 115 return; 116 } 117 if (NULL == debit_restrictions) 118 { 119 debit_restrictions = json_array (); 120 GNUNET_assert (NULL != debit_restrictions); 121 } 122 if (NULL == credit_restrictions) 123 { 124 credit_restrictions = json_array (); 125 GNUNET_assert (NULL != credit_restrictions); 126 } 127 ctx->cb (ctx->cb_cls, 128 payto_uri, 129 conversion_url, 130 open_banking_gateway, 131 wire_transfer_gateway, 132 debit_restrictions, 133 credit_restrictions, 134 &master_sig, 135 bank_label, 136 priority); 137 GNUNET_PQ_cleanup_result (rs); 138 } 139 } 140 141 142 enum GNUNET_DB_QueryStatus 143 TALER_EXCHANGEDB_get_wire_accounts (struct TALER_EXCHANGEDB_PostgresContext *pg, 144 TALER_EXCHANGEDB_WireAccountCallback cb, 145 void *cb_cls) 146 { 147 struct GetWireAccountsContext ctx = { 148 .cb = cb, 149 .cb_cls = cb_cls, 150 .status = GNUNET_OK 151 }; 152 struct GNUNET_PQ_QueryParam params[] = { 153 GNUNET_PQ_query_param_end 154 }; 155 enum GNUNET_DB_QueryStatus qs; 156 157 PREPARE (pg, 158 "get_wire_accounts", 159 "SELECT" 160 " payto_uri" 161 ",conversion_url" 162 ",open_banking_gateway" 163 ",wire_transfer_gateway" 164 ",debit_restrictions::TEXT" 165 ",credit_restrictions::TEXT" 166 ",master_sig" 167 ",bank_label" 168 ",priority" 169 " FROM wire_accounts" 170 " WHERE is_active"); 171 qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, 172 "get_wire_accounts", 173 params, 174 &get_wire_accounts_cb, 175 &ctx); 176 if (GNUNET_OK != ctx.status) 177 return GNUNET_DB_STATUS_HARD_ERROR; 178 return qs; 179 }