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 backenddb/pg_lookup_contract_terms.c
      18              :  * @brief Implementation of the lookup_contract_terms function for Postgres
      19              :  * @author Iván Ávalos
      20              :  * @author Christian Grothoff
      21              :  */
      22              : #include "platform.h"
      23              : #include <taler/taler_error_codes.h>
      24              : #include <taler/taler_dbevents.h>
      25              : #include <taler/taler_pq_lib.h>
      26              : #include "pg_lookup_contract_terms.h"
      27              : #include "pg_helper.h"
      28              : 
      29              : 
      30              : enum GNUNET_DB_QueryStatus
      31           94 : TMH_PG_lookup_contract_terms (
      32              :   void *cls,
      33              :   const char *instance_id,
      34              :   const char *order_id,
      35              :   json_t **contract_terms,
      36              :   uint64_t *order_serial,
      37              :   struct TALER_ClaimTokenP *claim_token)
      38              : {
      39           94 :   struct PostgresClosure *pg = cls;
      40              :   enum GNUNET_DB_QueryStatus qs;
      41              :   struct TALER_ClaimTokenP ct;
      42           94 :   struct GNUNET_PQ_QueryParam params[] = {
      43           94 :     GNUNET_PQ_query_param_string (instance_id),
      44           94 :     GNUNET_PQ_query_param_string (order_id),
      45              :     GNUNET_PQ_query_param_end
      46              :   };
      47           94 :   struct GNUNET_PQ_ResultSpec rs[] = {
      48              :     /* contract_terms must be first! */
      49           94 :     TALER_PQ_result_spec_json ("contract_terms",
      50              :                                contract_terms),
      51           94 :     GNUNET_PQ_result_spec_uint64 ("order_serial",
      52              :                                   order_serial),
      53           94 :     GNUNET_PQ_result_spec_auto_from_type ("claim_token",
      54              :                                           &ct),
      55              :     GNUNET_PQ_result_spec_end
      56              :   };
      57              : 
      58           94 :   check_connection (pg);
      59           94 :   PREPARE (pg,
      60              :            "lookup_contract_terms",
      61              :            "SELECT"
      62              :            " contract_terms::TEXT"
      63              :            ",order_serial"
      64              :            ",claim_token"
      65              :            " FROM merchant_contract_terms"
      66              :            " WHERE order_id=$2"
      67              :            "   AND merchant_serial="
      68              :            "     (SELECT merchant_serial"
      69              :            "        FROM merchant_instances"
      70              :            "        WHERE merchant_id=$1)");
      71           94 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      72              :                                                  "lookup_contract_terms",
      73              :                                                  params,
      74              :                                                  (NULL != contract_terms)
      75              :                                                    ? rs
      76              :                                                    : &rs[1]);
      77           94 :   if (NULL != claim_token)
      78            0 :     *claim_token = ct;
      79           94 :   return qs;
      80              : }