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          44 : 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          44 :   struct PostgresClosure *pg = cls;
      37             :   uint8_t paid8;
      38             :   enum GNUNET_DB_QueryStatus qs;
      39          44 :   struct GNUNET_PQ_QueryParam params[] = {
      40          44 :     GNUNET_PQ_query_param_string (instance_id),
      41          44 :     GNUNET_PQ_query_param_string (order_id),
      42             :     GNUNET_PQ_query_param_end
      43             :   };
      44          44 :   struct GNUNET_PQ_ResultSpec rs[] = {
      45          44 :     GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
      46             :                                           h_contract_terms),
      47          44 :     GNUNET_PQ_result_spec_auto_from_type ("paid",
      48             :                                           &paid8),
      49             :     GNUNET_PQ_result_spec_end
      50             :   };
      51             : 
      52          44 :   check_connection (pg);
      53          44 :   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          44 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      65             :                                                  "lookup_order_status",
      66             :                                                  params,
      67             :                                                  rs);
      68          44 :   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
      69          40 :     *paid = (0 != paid8);
      70             :   else
      71           4 :     *paid = false; /* just to be safe(r) */
      72          44 :   return qs;
      73             : }