merchant

Merchant backend to process payments, run by merchants
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lookup_order_status_by_serial.c (2848B)

      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_error_codes.h>
     23 #include <taler/taler_dbevents.h>
     24 #include <taler/taler_pq_lib.h>
     25 #include "merchant-database/lookup_order_status_by_serial.h"
     26 #include "helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 TALER_MERCHANTDB_lookup_order_status_by_serial (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_string (instance_id),
     38     GNUNET_PQ_query_param_uint64 (&order_serial),
     39     GNUNET_PQ_query_param_end
     40   };
     41   struct GNUNET_PQ_ResultSpec rs[] = {
     42     GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
     43                                           h_contract_terms),
     44     GNUNET_PQ_result_spec_string ("order_id",
     45                                   order_id),
     46     GNUNET_PQ_result_spec_bool ("paid",
     47                                 paid),
     48     GNUNET_PQ_result_spec_end
     49   };
     50 
     51   check_connection (pg);
     52   *paid = false; /* just to be safe(r) */
     53   PREPARE (pg,
     54            "lookup_order_status_by_serial",
     55            "SELECT"
     56            " h_contract_terms"
     57            ",order_id"
     58            ",paid"
     59            " FROM merchant_contract_terms"
     60            " WHERE merchant_serial="
     61            "     (SELECT merchant_serial "
     62            "        FROM merchant_instances"
     63            "        WHERE merchant_id=$1)"
     64            "   AND order_serial=$2");
     65   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     66                                                    "lookup_order_status_by_serial",
     67                                                    params,
     68                                                    rs);
     69 }