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 "platform.h"
      22             : #include "taler_error_codes.h"
      23             : #include "taler_dbevents.h"
      24             : #include "taler_pq_lib.h"
      25             : #include "pg_lookup_auditor_timestamp.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : enum GNUNET_DB_QueryStatus
      30          16 : TEH_PG_lookup_auditor_timestamp (
      31             :   void *cls,
      32             :   const struct TALER_AuditorPublicKeyP *auditor_pub,
      33             :   struct GNUNET_TIME_Timestamp *last_date)
      34             : {
      35          16 :   struct PostgresClosure *pg = cls;
      36          16 :   struct GNUNET_PQ_QueryParam params[] = {
      37          16 :     GNUNET_PQ_query_param_auto_from_type (auditor_pub),
      38             :     GNUNET_PQ_query_param_end
      39             :   };
      40          16 :   struct GNUNET_PQ_ResultSpec rs[] = {
      41          16 :     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          16 :   PREPARE (pg,
      48             :            "lookup_auditor_timestamp",
      49             :            "SELECT"
      50             :            " last_change"
      51             :            " FROM auditors"
      52             :            " WHERE auditor_pub=$1;");
      53          16 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      54             :                                                    "lookup_auditor_timestamp",
      55             :                                                    params,
      56             :                                                    rs);
      57             : }