Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2025 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 backenddb/pg_check_money_pots.c
      18              :  * @brief Implementation of the check_money_pots function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "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_check_money_pots.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30            0 : TMH_PG_check_money_pots (void *cls,
      31              :                          const char *instance_id,
      32              :                          unsigned int pots_len,
      33              :                          uint64_t pots[static pots_len],
      34              :                          uint64_t *pot_missing)
      35            0 : {
      36            0 :   struct PostgresClosure *pg = cls;
      37            0 :   struct GNUNET_PQ_QueryParam params[] = {
      38            0 :     GNUNET_PQ_query_param_string (instance_id),
      39            0 :     GNUNET_PQ_query_param_array_uint64 (pots_len,
      40              :                                         pots,
      41              :                                         pg->conn),
      42              :     GNUNET_PQ_query_param_end
      43              :   };
      44            0 :   struct GNUNET_PQ_ResultSpec rs[] = {
      45            0 :     GNUNET_PQ_result_spec_uint64 ("out_missing",
      46              :                                   pot_missing),
      47              :     GNUNET_PQ_result_spec_end
      48              :   };
      49              :   enum GNUNET_DB_QueryStatus qs;
      50              : 
      51            0 :   check_connection (pg);
      52            0 :   PREPARE (pg,
      53              :            "check_money_pots",
      54              :            "SELECT n AS out_missing"
      55              :            "  FROM UNNEST($2::INT8[]) AS n"
      56              :            " WHERE NOT EXISTS ("
      57              :            "  SELECT 1"
      58              :            "    FROM merchant_money_pots mmp"
      59              :            "    JOIN merchant_instances mi"
      60              :            "      USING (merchant_serial)"
      61              :            "   WHERE mmp.money_pot_serial=n"
      62              :            "     AND mi.merchant_id=$1"
      63              :            " )"
      64              :            " LIMIT 1;");
      65            0 :   qs = GNUNET_PQ_eval_prepared_singleton_select (
      66              :     pg->conn,
      67              :     "check_money_pots",
      68              :     params,
      69              :     rs);
      70            0 :   GNUNET_PQ_cleanup_query_params_closures (params);
      71            0 :   return qs;
      72              : }