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_lookup_order_status.c
      18              :  * @brief Implementation of the lookup_order_status 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_lookup_order_status.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29           45 : TMH_PG_lookup_order_status (
      30              :   void *cls,
      31              :   const char *instance_id,
      32              :   const char *order_id,
      33              :   struct TALER_PrivateContractHashP *h_contract_terms,
      34              :   bool *paid)
      35              : {
      36           45 :   struct PostgresClosure *pg = cls;
      37              :   uint8_t paid8;
      38              :   enum GNUNET_DB_QueryStatus qs;
      39           45 :   struct GNUNET_PQ_QueryParam params[] = {
      40           45 :     GNUNET_PQ_query_param_string (instance_id),
      41           45 :     GNUNET_PQ_query_param_string (order_id),
      42              :     GNUNET_PQ_query_param_end
      43              :   };
      44           45 :   struct GNUNET_PQ_ResultSpec rs[] = {
      45           45 :     GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
      46              :                                           h_contract_terms),
      47           45 :     GNUNET_PQ_result_spec_auto_from_type ("paid",
      48              :                                           &paid8),
      49              :     GNUNET_PQ_result_spec_end
      50              :   };
      51              : 
      52           45 :   check_connection (pg);
      53           45 :   PREPARE (pg,
      54              :            "lookup_order_status",
      55              :            "SELECT"
      56              :            " h_contract_terms"
      57              :            ",paid"
      58              :            " FROM merchant_contract_terms"
      59              :            " WHERE merchant_serial="
      60              :            "     (SELECT merchant_serial "
      61              :            "        FROM merchant_instances"
      62              :            "        WHERE merchant_id=$1)"
      63              :            "   AND order_id=$2");
      64           45 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      65              :                                                  "lookup_order_status",
      66              :                                                  params,
      67              :                                                  rs);
      68           45 :   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
      69           41 :     *paid = (0 != paid8);
      70              :   else
      71            4 :     *paid = false; /* just to be safe(r) */
      72           45 :   return qs;
      73              : }