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 src/backenddb/get_missing_money_pot.c
      18              :  * @brief Implementation of the get_missing_money_pot 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 "merchant-database/get_missing_money_pot.h"
      26              : #include "helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30            2 : TALER_MERCHANTDB_get_missing_money_pot (
      31              :   struct TALER_MERCHANTDB_PostgresContext *pg,
      32              :   const char *instance_id,
      33              :   unsigned int pots_len,
      34              :   uint64_t pots[static pots_len],
      35              :   uint64_t *pot_missing)
      36            2 : {
      37            2 :   struct GNUNET_PQ_QueryParam params[] = {
      38            2 :     GNUNET_PQ_query_param_array_uint64 (pots_len,
      39              :                                         pots,
      40              :                                         pg->conn),
      41              :     GNUNET_PQ_query_param_end
      42              :   };
      43            2 :   struct GNUNET_PQ_ResultSpec rs[] = {
      44            2 :     GNUNET_PQ_result_spec_uint64 ("out_missing",
      45              :                                   pot_missing),
      46              :     GNUNET_PQ_result_spec_end
      47              :   };
      48              :   enum GNUNET_DB_QueryStatus qs;
      49              : 
      50            2 :   GNUNET_assert (NULL != pg->current_merchant_id);
      51            2 :   GNUNET_assert (0 == strcmp (instance_id,
      52              :                               pg->current_merchant_id));
      53            2 :   TMH_PQ_prepare_anon (pg,
      54              :                        "SELECT n AS out_missing"
      55              :                        "  FROM UNNEST($1::INT8[]) AS n"
      56              :                        " WHERE NOT EXISTS ("
      57              :                        "  SELECT 1"
      58              :                        "    FROM merchant_money_pots mmp"
      59              :                        "   WHERE mmp.money_pot_serial=n"
      60              :                        " )"
      61              :                        " LIMIT 1;");
      62            2 :   qs = GNUNET_PQ_eval_prepared_singleton_select (
      63              :     pg->conn,
      64              :     "",
      65              :     params,
      66              :     rs);
      67            2 :   GNUNET_PQ_cleanup_query_params_closures (params);
      68            2 :   return qs;
      69              : }