merchant

Merchant backend to process payments, run by merchants
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select_money_pot.c (2534B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2025 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/select_money_pot.c
     18  * @brief Implementation of the select_money_pot function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_pq_lib.h>
     23 #include "merchant-database/select_money_pot.h"
     24 #include "helper.h"
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_MERCHANTDB_select_money_pot (
     29   struct TALER_MERCHANTDB_PostgresContext *pg,
     30   const char *instance_id,
     31   uint64_t money_pot_id,
     32   char **name,
     33   char **description,
     34   size_t *pot_total_len,
     35   struct TALER_Amount **pot_totals)
     36 {
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     GNUNET_PQ_query_param_uint64 (&money_pot_id),
     39     GNUNET_PQ_query_param_end
     40   };
     41   struct GNUNET_PQ_ResultSpec rs[] = {
     42     GNUNET_PQ_result_spec_string ("money_pot_name",
     43                                   name),
     44     GNUNET_PQ_result_spec_string ("money_pot_description",
     45                                   description),
     46     TALER_PQ_result_spec_array_amount_with_currency (pg->conn,
     47                                                      "merchant",
     48                                                      "pot_totals",
     49                                                      pot_total_len,
     50                                                      pot_totals),
     51     GNUNET_PQ_result_spec_end
     52   };
     53 
     54   GNUNET_assert (NULL != pg->current_merchant_id);
     55   GNUNET_assert (0 == strcmp (instance_id,
     56                               pg->current_merchant_id));
     57   check_connection (pg);
     58   TMH_PQ_prepare_anon (pg,
     59                        "SELECT"
     60                        "  money_pot_name"
     61                        " ,money_pot_description"
     62                        " ,pot_totals"
     63                        " FROM merchant_money_pots"
     64                        " WHERE money_pot_serial=$1;");
     65   return GNUNET_PQ_eval_prepared_singleton_select (
     66     pg->conn,
     67     "",
     68     params,
     69     rs);
     70 }