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_contract_terms2.c
      18              :  * @brief Implementation of the lookup_contract_terms2 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_contract_terms2.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29           43 : TMH_PG_lookup_contract_terms2 (
      30              :   void *cls,
      31              :   const char *instance_id,
      32              :   const char *order_id,
      33              :   json_t **contract_terms,
      34              :   uint64_t *order_serial,
      35              :   bool *paid,
      36              :   struct TALER_ClaimTokenP *claim_token,
      37              :   char **pos_key,
      38              :   enum TALER_MerchantConfirmationAlgorithm *pos_algorithm)
      39              : {
      40           43 :   struct PostgresClosure *pg = cls;
      41              :   enum GNUNET_DB_QueryStatus qs;
      42              :   struct TALER_ClaimTokenP ct;
      43           43 :   struct GNUNET_PQ_QueryParam params[] = {
      44           43 :     GNUNET_PQ_query_param_string (instance_id),
      45           43 :     GNUNET_PQ_query_param_string (order_id),
      46              :     GNUNET_PQ_query_param_end
      47              :   };
      48              :   uint32_t pos32;
      49           43 :   struct GNUNET_PQ_ResultSpec rs[] = {
      50              :     /* contract_terms must be first! */
      51           43 :     TALER_PQ_result_spec_json ("contract_terms",
      52              :                                contract_terms),
      53           43 :     GNUNET_PQ_result_spec_uint64 ("order_serial",
      54              :                                   order_serial),
      55           43 :     GNUNET_PQ_result_spec_bool ("paid",
      56              :                                 paid),
      57           43 :     GNUNET_PQ_result_spec_auto_from_type ("claim_token",
      58              :                                           &ct),
      59           43 :     GNUNET_PQ_result_spec_allow_null (
      60              :       GNUNET_PQ_result_spec_string ("pos_key",
      61              :                                     pos_key),
      62              :       NULL),
      63           43 :     GNUNET_PQ_result_spec_allow_null (
      64              :       GNUNET_PQ_result_spec_uint32 ("pos_algorithm",
      65              :                                     &pos32),
      66              :       NULL),
      67              :     GNUNET_PQ_result_spec_end
      68              :   };
      69              : 
      70           43 :   check_connection (pg);
      71           43 :   PREPARE (pg,
      72              :            "lookup_contract_terms2",
      73              :            "SELECT"
      74              :            " contract_terms::TEXT"
      75              :            ",order_serial"
      76              :            ",claim_token"
      77              :            ",paid"
      78              :            ",pos_key"
      79              :            ",pos_algorithm"
      80              :            " FROM merchant_contract_terms"
      81              :            " WHERE order_id=$2"
      82              :            "   AND merchant_serial="
      83              :            "     (SELECT merchant_serial"
      84              :            "        FROM merchant_instances"
      85              :            "        WHERE merchant_id=$1)");
      86           43 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      87              :                                                  "lookup_contract_terms2",
      88              :                                                  params,
      89              :                                                  (NULL != contract_terms)
      90              :                                                    ? rs
      91              :                                                    : &rs[1]);
      92           43 :   *pos_algorithm = (enum TALER_MerchantConfirmationAlgorithm) pos32;
      93           43 :   if (NULL != claim_token)
      94            0 :     *claim_token = ct;
      95           43 :   return qs;
      96              : }