merchant

Merchant backend to process payments, run by merchants
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delete_contract_terms.c (2371B)


      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_error_codes.h>
     23 #include <taler/taler_dbevents.h>
     24 #include <taler/taler_pq_lib.h>
     25 #include "merchant-database/delete_contract_terms.h"
     26 #include "helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 TALER_MERCHANTDB_delete_contract_terms (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 (instance_id),
     37     GNUNET_PQ_query_param_string (order_id),
     38     GNUNET_PQ_query_param_relative_time (&legal_expiration),
     39     GNUNET_PQ_query_param_absolute_time (&now),
     40     GNUNET_PQ_query_param_end
     41   };
     42 
     43   check_connection (pg);
     44   PREPARE (pg,
     45            "delete_contract_terms",
     46            "DELETE FROM merchant_contract_terms"
     47            " WHERE order_id=$2"
     48            "   AND merchant_serial="
     49            "     (SELECT merchant_serial"
     50            "        FROM merchant_instances"
     51            "        WHERE merchant_id=$1)"
     52            "   AND ( ( (pay_deadline < $4) AND"
     53            "           (NOT paid) ) OR"
     54            "         (creation_time + $3 < $4) )");
     55   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
     56                                              "delete_contract_terms",
     57                                              params);
     58 }