pg_lookup_account.c (2319B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2023 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 backenddb/pg_lookup_account.c 18 * @brief Implementation of the lookup_account 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 "pg_lookup_account.h" 26 #include "pg_helper.h" 27 28 enum GNUNET_DB_QueryStatus 29 TMH_PG_lookup_account (void *cls, 30 const char *instance_id, 31 struct TALER_FullPayto payto_uri, 32 uint64_t *account_serial) 33 { 34 struct PostgresClosure *pg = cls; 35 struct GNUNET_PQ_QueryParam params[] = { 36 GNUNET_PQ_query_param_string (instance_id), 37 GNUNET_PQ_query_param_string (payto_uri.full_payto), 38 GNUNET_PQ_query_param_end 39 }; 40 struct GNUNET_PQ_ResultSpec rs[] = { 41 GNUNET_PQ_result_spec_uint64 ("account_serial", 42 account_serial), 43 GNUNET_PQ_result_spec_end 44 }; 45 46 check_connection (pg); 47 PREPARE (pg, 48 "lookup_account", 49 "SELECT" 50 " account_serial" 51 " FROM merchant_accounts" 52 " WHERE REGEXP_REPLACE(payto_uri,'\\?.*','')" 53 " =REGEXP_REPLACE($2,'\\?.*','')" 54 " AND merchant_serial=" 55 " (SELECT merchant_serial" 56 " FROM merchant_instances" 57 " WHERE merchant_id=$1)"); 58 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 59 "lookup_account", 60 params, 61 rs); 62 }