Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 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 exchangedb/pg_lookup_rules_by_access_token.c
      18              :  * @brief Implementation of the lookup_rules_by_access_token function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/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_rules_by_access_token.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30           28 : TEH_PG_lookup_rules_by_access_token (
      31              :   void *cls,
      32              :   const struct TALER_NormalizedPaytoHashP *h_payto,
      33              :   json_t **jnew_rules,
      34              :   uint64_t *rowid)
      35              : {
      36           28 :   struct PostgresClosure *pg = cls;
      37           28 :   struct GNUNET_PQ_QueryParam params[] = {
      38           28 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
      39              :     GNUNET_PQ_query_param_end
      40              :   };
      41           28 :   struct GNUNET_PQ_ResultSpec rs[] = {
      42           28 :     GNUNET_PQ_result_spec_allow_null (
      43              :       TALER_PQ_result_spec_json (
      44              :         "jnew_rules",
      45              :         jnew_rules),
      46              :       NULL),
      47           28 :     GNUNET_PQ_result_spec_uint64 (
      48              :       "row_id",
      49              :       rowid),
      50              :     GNUNET_PQ_result_spec_end
      51              :   };
      52              : 
      53           28 :   *jnew_rules = NULL;
      54           28 :   PREPARE (pg,
      55              :            "lookup_rules_by_access_token",
      56              :            "SELECT"
      57              :            " jnew_rules::TEXT"
      58              :            ",outcome_serial_id AS row_id"
      59              :            " FROM legitimization_outcomes"
      60              :            " WHERE h_payto=$1"
      61              :            "   AND is_active"
      62              :            " ORDER BY expiration_time DESC,"
      63              :            "          outcome_serial_id DESC"
      64              :            " LIMIT 1;");
      65           28 :   return GNUNET_PQ_eval_prepared_singleton_select (
      66              :     pg->conn,
      67              :     "lookup_rules_by_access_token",
      68              :     params,
      69              :     rs);
      70              : }