merchant

Merchant backend to process payments, run by merchants
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lookup_order_status_by_serial.c (2497B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022-2025 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/lookup_order_status_by_serial.c
     18  * @brief Implementation of the lookup_order_status_by_serial function for Postgres
     19  * @author Iván Ávalos
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_pq_lib.h>
     23 #include "merchant-database/lookup_order_status_by_serial.h"
     24 #include "helper.h"
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_MERCHANTDB_lookup_order_status_by_serial (
     29   struct TALER_MERCHANTDB_PostgresContext *pg,
     30   const char *instance_id,
     31   uint64_t order_serial,
     32   char **order_id,
     33   struct TALER_PrivateContractHashP *h_contract_terms,
     34   bool *paid)
     35 {
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_uint64 (&order_serial),
     38     GNUNET_PQ_query_param_end
     39   };
     40   struct GNUNET_PQ_ResultSpec rs[] = {
     41     GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
     42                                           h_contract_terms),
     43     GNUNET_PQ_result_spec_string ("order_id",
     44                                   order_id),
     45     GNUNET_PQ_result_spec_bool ("paid",
     46                                 paid),
     47     GNUNET_PQ_result_spec_end
     48   };
     49 
     50   GNUNET_assert (NULL != pg->current_merchant_id);
     51   GNUNET_assert (0 == strcmp (instance_id,
     52                               pg->current_merchant_id));
     53   check_connection (pg);
     54   *paid = false; /* just to be safe(r) */
     55   TMH_PQ_prepare_anon (pg,
     56                        "SELECT"
     57                        " h_contract_terms"
     58                        ",order_id"
     59                        ",paid"
     60                        " FROM merchant_contract_terms"
     61                        " WHERE order_serial=$1");
     62   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     63                                                    "",
     64                                                    params,
     65                                                    rs);
     66 }