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_terms3.c
      18             :  * @brief Implementation of the lookup_contract_terms3 function for Postgres
      19             :  * @author Iván Ávalos
      20             :  * @author Christian Grothoff
      21             :  */
      22             : #include "platform.h"
      23             : #include <sys/types.h>
      24             : #include <taler/taler_error_codes.h>
      25             : #include <taler/taler_dbevents.h>
      26             : #include <taler/taler_pq_lib.h>
      27             : #include "pg_lookup_contract_terms3.h"
      28             : #include "pg_helper.h"
      29             : 
      30             : 
      31             : enum GNUNET_DB_QueryStatus
      32         105 : TMH_PG_lookup_contract_terms3 (
      33             :   void *cls,
      34             :   const char *instance_id,
      35             :   const char *order_id,
      36             :   const char *session_id,
      37             :   json_t **contract_terms,
      38             :   uint64_t *order_serial,
      39             :   bool *paid,
      40             :   bool *wired,
      41             :   bool *session_matches,
      42             :   struct TALER_ClaimTokenP *claim_token,
      43             :   int16_t *choice_index)
      44             : {
      45         105 :   struct PostgresClosure *pg = cls;
      46             :   enum GNUNET_DB_QueryStatus qs;
      47             :   struct TALER_ClaimTokenP ct;
      48         105 :   uint16_t ci = 0;
      49         105 :   bool choice_index_null = false;
      50         105 :   struct GNUNET_PQ_QueryParam params[] = {
      51         105 :     GNUNET_PQ_query_param_string (instance_id),
      52         105 :     GNUNET_PQ_query_param_string (order_id),
      53             :     NULL == session_id
      54          95 :     ? GNUNET_PQ_query_param_null ()
      55         105 :     : GNUNET_PQ_query_param_string (session_id),
      56             :     GNUNET_PQ_query_param_end
      57             :   };
      58         105 :   struct GNUNET_PQ_ResultSpec rs[] = {
      59             :     /* contract_terms must be first! */
      60         105 :     TALER_PQ_result_spec_json ("contract_terms",
      61             :                                contract_terms),
      62         105 :     GNUNET_PQ_result_spec_uint64 ("order_serial",
      63             :                                   order_serial),
      64         105 :     GNUNET_PQ_result_spec_bool ("paid",
      65             :                                 paid),
      66         105 :     GNUNET_PQ_result_spec_bool ("wired",
      67             :                                 wired),
      68         105 :     GNUNET_PQ_result_spec_allow_null (
      69             :       GNUNET_PQ_result_spec_bool ("session_matches",
      70             :                                   session_matches),
      71             :       NULL),
      72         105 :     GNUNET_PQ_result_spec_auto_from_type ("claim_token",
      73             :                                           &ct),
      74         105 :     GNUNET_PQ_result_spec_allow_null (
      75             :       GNUNET_PQ_result_spec_uint16 ("choice_index",
      76             :                                     &ci),
      77             :       &choice_index_null),
      78             :     GNUNET_PQ_result_spec_end
      79             :   };
      80             : 
      81         105 :   *session_matches = false;
      82         105 :   check_connection (pg);
      83         105 :   PREPARE (pg,
      84             :            "lookup_contract_terms3",
      85             :            "SELECT"
      86             :            " contract_terms"
      87             :            ",order_serial"
      88             :            ",claim_token"
      89             :            ",paid"
      90             :            ",wired"
      91             :            ",(session_id=$3) AS session_matches"
      92             :            ",choice_index"
      93             :            " FROM merchant_contract_terms"
      94             :            " WHERE order_id=$2"
      95             :            "   AND merchant_serial="
      96             :            "     (SELECT merchant_serial"
      97             :            "        FROM merchant_instances"
      98             :            "        WHERE merchant_id=$1)");
      99         105 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     100             :                                                  "lookup_contract_terms3",
     101             :                                                  params,
     102             :                                                  (NULL != contract_terms)
     103             :                                                    ? rs
     104             :                                                    : &rs[1]);
     105         105 :   if (NULL != claim_token)
     106         101 :     *claim_token = ct;
     107         105 :   if (! choice_index_null)
     108          18 :     *choice_index = (int16_t) ci;
     109             :   else
     110          87 :     *choice_index = -1;
     111         105 :   return qs;
     112             : }