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_lookup_auditor_timestamp.c
      18              :  * @brief Implementation of the lookup_auditor_timestamp 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_auditor_timestamp.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30           14 : TEH_PG_lookup_auditor_timestamp (
      31              :   void *cls,
      32              :   const struct TALER_AuditorPublicKeyP *auditor_pub,
      33              :   struct GNUNET_TIME_Timestamp *last_date)
      34              : {
      35           14 :   struct PostgresClosure *pg = cls;
      36           14 :   struct GNUNET_PQ_QueryParam params[] = {
      37           14 :     GNUNET_PQ_query_param_auto_from_type (auditor_pub),
      38              :     GNUNET_PQ_query_param_end
      39              :   };
      40           14 :   struct GNUNET_PQ_ResultSpec rs[] = {
      41           14 :     GNUNET_PQ_result_spec_timestamp ("last_change",
      42              :                                      last_date),
      43              :     GNUNET_PQ_result_spec_end
      44              :   };
      45              : 
      46              :   /* Used in #postgres_lookup_auditor_timestamp() */
      47           14 :   PREPARE (pg,
      48              :            "lookup_auditor_timestamp",
      49              :            "SELECT"
      50              :            " last_change"
      51              :            " FROM auditors"
      52              :            " WHERE auditor_pub=$1;");
      53           14 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      54              :                                                    "lookup_auditor_timestamp",
      55              :                                                    params,
      56              :                                                    rs);
      57              : }