merchant

Merchant backend to process payments, run by merchants
Log | Files | Refs | Submodules | README | LICENSE

lookup_order_summary.c (2501B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022 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_summary.c
     18  * @brief Implementation of the lookup_order_summary 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_summary.h"
     24 #include "helper.h"
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_MERCHANTDB_lookup_order_summary (
     29   struct TALER_MERCHANTDB_PostgresContext *pg,
     30   const char *instance_id,
     31   const char *order_id,
     32   struct GNUNET_TIME_Timestamp *timestamp,
     33   uint64_t *order_serial)
     34 {
     35   struct GNUNET_PQ_QueryParam params[] = {
     36     GNUNET_PQ_query_param_string (order_id),
     37     GNUNET_PQ_query_param_end
     38   };
     39   struct GNUNET_PQ_ResultSpec rs[] = {
     40     GNUNET_PQ_result_spec_uint64 ("order_serial",
     41                                   order_serial),
     42     GNUNET_PQ_result_spec_timestamp ("creation_time",
     43                                      timestamp),
     44     GNUNET_PQ_result_spec_end
     45   };
     46 
     47   GNUNET_assert (NULL != pg->current_merchant_id);
     48   GNUNET_assert (0 == strcmp (instance_id,
     49                               pg->current_merchant_id));
     50   check_connection (pg);
     51   TMH_PQ_prepare_anon (pg,
     52                        "(SELECT"
     53                        " creation_time"
     54                        ",order_serial"
     55                        " FROM merchant_contract_terms"
     56                        " WHERE order_id=$1)"
     57                        "UNION"
     58                        "(SELECT"
     59                        " creation_time"
     60                        ",order_serial"
     61                        " FROM merchant_orders"
     62                        " WHERE order_id=$1)");
     63   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     64                                                    "",
     65                                                    params,
     66                                                    rs);
     67 }