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          122 : 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          122 :   struct PostgresClosure *pg = cls;
      46              :   enum GNUNET_DB_QueryStatus qs;
      47              :   struct TALER_ClaimTokenP ct;
      48          122 :   uint16_t ci = 0;
      49          122 :   bool choice_index_null = false;
      50          122 :   struct GNUNET_PQ_QueryParam params[] = {
      51          122 :     GNUNET_PQ_query_param_string (instance_id),
      52          122 :     GNUNET_PQ_query_param_string (order_id),
      53              :     NULL == session_id
      54          112 :     ? GNUNET_PQ_query_param_null ()
      55          122 :     : GNUNET_PQ_query_param_string (session_id),
      56              :     GNUNET_PQ_query_param_end
      57              :   };
      58          122 :   struct GNUNET_PQ_ResultSpec rs[] = {
      59              :     /* contract_terms must be first! */
      60          122 :     TALER_PQ_result_spec_json ("contract_terms",
      61              :                                contract_terms),
      62          122 :     GNUNET_PQ_result_spec_uint64 ("order_serial",
      63              :                                   order_serial),
      64          122 :     GNUNET_PQ_result_spec_bool ("paid",
      65              :                                 paid),
      66          122 :     GNUNET_PQ_result_spec_bool ("wired",
      67              :                                 wired),
      68          122 :     GNUNET_PQ_result_spec_allow_null (
      69              :       GNUNET_PQ_result_spec_bool ("session_matches",
      70              :                                   session_matches),
      71              :       NULL),
      72          122 :     GNUNET_PQ_result_spec_auto_from_type ("claim_token",
      73              :                                           &ct),
      74          122 :     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          122 :   *session_matches = false;
      82          122 :   check_connection (pg);
      83          122 :   PREPARE (pg,
      84              :            "lookup_contract_terms3",
      85              :            "SELECT"
      86              :            " contract_terms::TEXT"
      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          122 :   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          122 :   if (NULL != claim_token)
     106          105 :     *claim_token = ct;
     107          122 :   if (! choice_index_null)
     108           19 :     *choice_index = (int16_t) ci;
     109              :   else
     110          103 :     *choice_index = -1;
     111          122 :   return qs;
     112              : }