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          79 : TEH_PG_reserves_get (void *cls,
      30             :                      struct TALER_EXCHANGEDB_Reserve *reserve)
      31             : {
      32          79 :   struct PostgresClosure *pg = cls;
      33          79 :   struct GNUNET_PQ_QueryParam params[] = {
      34          79 :     GNUNET_PQ_query_param_auto_from_type (&reserve->pub),
      35             :     GNUNET_PQ_query_param_end
      36             :   };
      37          79 :   struct GNUNET_PQ_ResultSpec rs[] = {
      38          79 :     TALER_PQ_result_spec_amount ("current_balance",
      39          79 :                                  pg->currency,
      40             :                                  &reserve->balance),
      41          79 :     GNUNET_PQ_result_spec_timestamp ("expiration_date",
      42             :                                      &reserve->expiry),
      43          79 :     GNUNET_PQ_result_spec_timestamp ("gc_date",
      44             :                                      &reserve->gc),
      45             :     GNUNET_PQ_result_spec_end
      46             :   };
      47             :   /* Used in #postgres_reserves_get() */
      48          79 :   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          79 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      58             :                                                    "reserves_get",
      59             :                                                    params,
      60             :                                                    rs);
      61             : }