Line data    Source code

       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 backenddb/pg_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 "pg_delete_contract_terms.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : enum GNUNET_DB_QueryStatus
      29           4 : TMH_PG_delete_contract_terms (void *cls,
      30             :                               const char *instance_id,
      31             :                               const char *order_id,
      32             :                               struct GNUNET_TIME_Relative legal_expiration)
      33             : {
      34           4 :   struct PostgresClosure *pg = cls;
      35           4 :   struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
      36           4 :   struct GNUNET_PQ_QueryParam params[] = {
      37           4 :     GNUNET_PQ_query_param_string (instance_id),
      38           4 :     GNUNET_PQ_query_param_string (order_id),
      39           4 :     GNUNET_PQ_query_param_relative_time (&legal_expiration),
      40           4 :     GNUNET_PQ_query_param_absolute_time (&now),
      41             :     GNUNET_PQ_query_param_end
      42             :   };
      43             : 
      44           4 :   check_connection (pg);
      45           4 :   PREPARE (pg,
      46             :            "delete_contract_terms",
      47             :            "DELETE FROM merchant_contract_terms"
      48             :            " WHERE order_id=$2"
      49             :            "   AND merchant_serial="
      50             :            "     (SELECT merchant_serial"
      51             :            "        FROM merchant_instances"
      52             :            "        WHERE merchant_id=$1)"
      53             :            "   AND ( ( (pay_deadline < $4) AND"
      54             :            "           (NOT paid) ) OR"
      55             :            "         (creation_time + $3 < $4) )");
      56           4 :   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
      57             :                                              "delete_contract_terms",
      58             :                                              params);
      59             : }