Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2026 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 src/auditordb/gc.c
      18              :  * @brief Implementation of the gc function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_pq_lib.h"
      22              : #include "auditor-database/gc.h"
      23              : #include "pg_helper.h"
      24              : 
      25              : 
      26              : enum GNUNET_GenericReturnValue
      27            0 : TALER_AUDITORDB_gc (struct TALER_AUDITORDB_PostgresContext *pg)
      28              : {
      29              :   /* For now, we hard-code the cut-off date based on the
      30              :      common legal requirement to keep data for 10 years.
      31              :      Might make it configurable in the future. */
      32              :   struct GNUNET_TIME_Absolute cutoff
      33            0 :     = GNUNET_TIME_absolute_subtract (
      34              :         GNUNET_TIME_absolute_get (),
      35              :         GNUNET_TIME_relative_multiply (
      36              :           GNUNET_TIME_UNIT_YEARS,
      37              :           10));
      38            0 :   struct GNUNET_PQ_QueryParam params_time[] = {
      39            0 :     GNUNET_PQ_query_param_absolute_time (&cutoff),
      40              :     GNUNET_PQ_query_param_end
      41              :   };
      42              :   struct GNUNET_PQ_Context *conn;
      43              :   enum GNUNET_DB_QueryStatus qs;
      44            0 :   struct GNUNET_PQ_PreparedStatement ps[] = {
      45            0 :     GNUNET_PQ_make_prepare ("do_gc_auditor",
      46              :                             "CALL"
      47              :                             " auditor.auditor_do_gc_auditor"
      48              :                             " ($1);"),
      49              :     GNUNET_PQ_PREPARED_STATEMENT_END
      50              :   };
      51            0 :   struct GNUNET_PQ_ExecuteStatement es[] = {
      52            0 :     GNUNET_PQ_make_try_execute ("SET search_path TO auditor;"),
      53              :     GNUNET_PQ_EXECUTE_STATEMENT_END
      54              :   };
      55              : 
      56            0 :   conn = GNUNET_PQ_connect_with_cfg (pg->cfg,
      57              :                                      "auditordb-postgres",
      58              :                                      NULL,
      59              :                                      es,
      60              :                                      ps);
      61            0 :   if (NULL == conn)
      62            0 :     return GNUNET_SYSERR;
      63            0 :   qs = GNUNET_PQ_eval_prepared_non_select (conn,
      64              :                                            "do_gc_auditor",
      65              :                                            params_time);
      66            0 :   GNUNET_PQ_disconnect (conn);
      67            0 :   if (0 > qs)
      68              :   {
      69            0 :     GNUNET_break (0);
      70            0 :     return GNUNET_SYSERR;
      71              :   }
      72            0 :   return GNUNET_OK;
      73              : }