merchant

Merchant backend to process payments, run by merchants
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delete_contract_terms.c (2141B)


      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/delete_contract_terms.c
     18  * @brief Implementation of the delete_contract_terms function for Postgres
     19  * @author Iván Ávalos
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_pq_lib.h>
     23 #include "merchant-database/delete_contract_terms.h"
     24 #include "helper.h"
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_MERCHANTDB_delete_contract_terms (
     29   struct TALER_MERCHANTDB_PostgresContext *pg,
     30   const char *instance_id,
     31   const char *order_id,
     32   struct GNUNET_TIME_Relative legal_expiration)
     33 {
     34   struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
     35   struct GNUNET_PQ_QueryParam params[] = {
     36     GNUNET_PQ_query_param_string (order_id),
     37     GNUNET_PQ_query_param_relative_time (&legal_expiration),
     38     GNUNET_PQ_query_param_absolute_time (&now),
     39     GNUNET_PQ_query_param_end
     40   };
     41 
     42   GNUNET_assert (NULL != pg->current_merchant_id);
     43   GNUNET_assert (0 == strcmp (instance_id,
     44                               pg->current_merchant_id));
     45   check_connection (pg);
     46   TMH_PQ_prepare_anon (pg,
     47                        "DELETE FROM merchant_contract_terms"
     48                        " WHERE order_id=$1"
     49                        "   AND ( ( (pay_deadline < $3) AND"
     50                        "           (NOT paid) ) OR"
     51                        "         (creation_time + $2 < $3) )");
     52   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
     53                                              "",
     54                                              params);
     55 }