merchant

Merchant backend to process payments, run by merchants
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pg_select_donau_instance_by_serial.c (2166B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 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 backenddb/pg_select_donau_instance_by_serial.c
     18  * @brief Implementation of the select_donau_instance function for Postgres
     19  * @author Bohdan Potuzhnyi
     20  * @author Vlada Svirsh
     21  */
     22 #include "platform.h"
     23 #include <taler/taler_error_codes.h>
     24 #include <taler/taler_dbevents.h>
     25 #include <taler/taler_pq_lib.h>
     26 #include "pg_select_donau_instance_by_serial.h"
     27 #include "taler_merchant_donau.h"
     28 #include "pg_helper.h"
     29 
     30 
     31 enum GNUNET_DB_QueryStatus
     32 TMH_PG_select_donau_instance_by_serial (void *cls,
     33                                         uint64_t serial,
     34                                         char **donau_url,
     35                                         uint64_t *charity_id)
     36 {
     37   struct PostgresClosure *pg = cls;
     38   struct GNUNET_PQ_QueryParam params[] = {
     39     GNUNET_PQ_query_param_uint64 (&serial),
     40     GNUNET_PQ_query_param_end
     41   };
     42   struct GNUNET_PQ_ResultSpec rs[] = {
     43     GNUNET_PQ_result_spec_string ("donau_url",
     44                                   donau_url),
     45     GNUNET_PQ_result_spec_uint64 ("charity_id",
     46                                   charity_id),
     47     GNUNET_PQ_result_spec_end
     48   };
     49 
     50   check_connection (pg);
     51   PREPARE (pg,
     52            "select_donau_instance_by_serial",
     53            "SELECT donau_url"
     54            " ,charity_id"
     55            "  FROM merchant_donau_instances"
     56            " WHERE donau_instances_serial = $1");
     57 
     58   return GNUNET_PQ_eval_prepared_singleton_select (
     59     pg->conn,
     60     "select_donau_instance_by_serial",
     61     params,
     62     rs);
     63 }