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 exchangedb/pg_reserves_get.c
      18              :  * @brief Implementation of the reserves_get 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_reserves_get.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29            9 : TEH_PG_reserves_get (void *cls,
      30              :                      struct TALER_EXCHANGEDB_Reserve *reserve)
      31              : {
      32            9 :   struct PostgresClosure *pg = cls;
      33            9 :   struct GNUNET_PQ_QueryParam params[] = {
      34            9 :     GNUNET_PQ_query_param_auto_from_type (&reserve->pub),
      35              :     GNUNET_PQ_query_param_end
      36              :   };
      37            9 :   struct GNUNET_PQ_ResultSpec rs[] = {
      38            9 :     TALER_PQ_result_spec_amount ("current_balance",
      39            9 :                                  pg->currency,
      40              :                                  &reserve->balance),
      41            9 :     GNUNET_PQ_result_spec_timestamp ("expiration_date",
      42              :                                      &reserve->expiry),
      43            9 :     GNUNET_PQ_result_spec_timestamp ("gc_date",
      44              :                                      &reserve->gc),
      45              :     GNUNET_PQ_result_spec_end
      46              :   };
      47              :   /* Used in #postgres_reserves_get() */
      48            9 :   PREPARE (pg,
      49              :            "reserves_get",
      50              :            "SELECT"
      51              :            " current_balance"
      52              :            ",expiration_date"
      53              :            ",gc_date"
      54              :            " FROM reserves"
      55              :            " WHERE reserve_pub=$1"
      56              :            " LIMIT 1;");
      57            9 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      58              :                                                    "reserves_get",
      59              :                                                    params,
      60              :                                                    rs);
      61              : }