Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2022-2024 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/get_contract_terms.c
      18              :  * @brief Implementation of the get_contract_terms function for Postgres
      19              :  * @author Iván Ávalos
      20              :  * @author Christian Grothoff
      21              :  */
      22              : #include "platform.h"
      23              : #include <taler/taler_pq_lib.h>
      24              : #include "merchant-database/get_contract_terms.h"
      25              : #include "helper.h"
      26              : 
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29          153 : TALER_MERCHANTDB_get_contract_terms (
      30              :   struct TALER_MERCHANTDB_PostgresContext *pg,
      31              :   const char *instance_id,
      32              :   const char *order_id,
      33              :   json_t **contract_terms,
      34              :   uint64_t *order_serial,
      35              :   struct TALER_ClaimTokenP *claim_token)
      36              : {
      37              :   enum GNUNET_DB_QueryStatus qs;
      38              :   struct TALER_ClaimTokenP ct;
      39          153 :   struct GNUNET_PQ_QueryParam params[] = {
      40          153 :     GNUNET_PQ_query_param_string (order_id),
      41              :     GNUNET_PQ_query_param_end
      42              :   };
      43          153 :   struct GNUNET_PQ_ResultSpec rs[] = {
      44              :     /* contract_terms must be first! */
      45          153 :     TALER_PQ_result_spec_json ("contract_terms",
      46              :                                contract_terms),
      47          153 :     GNUNET_PQ_result_spec_uint64 ("order_serial",
      48              :                                   order_serial),
      49          153 :     GNUNET_PQ_result_spec_auto_from_type ("claim_token",
      50              :                                           &ct),
      51              :     GNUNET_PQ_result_spec_end
      52              :   };
      53              : 
      54          153 :   GNUNET_assert (NULL != pg->current_merchant_id);
      55          153 :   GNUNET_assert (0 == strcmp (instance_id,
      56              :                               pg->current_merchant_id));
      57          153 :   TMH_PQ_prepare_anon (pg,
      58              :                        "SELECT"
      59              :                        " contract_terms::TEXT"
      60              :                        ",order_serial"
      61              :                        ",claim_token"
      62              :                        " FROM merchant_contract_terms"
      63              :                        " WHERE order_id=$1");
      64          153 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      65              :                                                  "",
      66              :                                                  params,
      67              :                                                  (NULL != contract_terms)
      68              :                                                  ? rs
      69              :                                                  : &rs[1]);
      70          153 :   if (NULL != claim_token)
      71            0 :     *claim_token = ct;
      72          153 :   return qs;
      73              : }