merchant

Merchant backend to process payments, run by merchants
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increment_money_pots.c (3021B)

      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/increment_money_pots.c
     18  * @brief Implementation of the increment_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 "merchant-database/increment_money_pots.h"
     26 #include "helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TALER_MERCHANTDB_increment_money_pots (struct TALER_MERCHANTDB_PostgresContext *pg,
     31                                        const char *instance_id,
     32                                        size_t money_pots_len,
     33                                        const uint64_t *money_pot_ids,
     34                                        const struct TALER_Amount *pot_increments)
     35 {
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_string (instance_id),
     38     GNUNET_PQ_query_param_array_uint64 (money_pots_len,
     39                                         money_pot_ids,
     40                                         pg->conn),
     41     TALER_PQ_query_param_array_amount_with_currency (money_pots_len,
     42                                                      pot_increments,
     43                                                      pg->conn),
     44     GNUNET_PQ_query_param_end
     45   };
     46   bool not_found;
     47   struct GNUNET_PQ_ResultSpec rs[] = {
     48     GNUNET_PQ_result_spec_bool ("not_found",
     49                                 &not_found),
     50     GNUNET_PQ_result_spec_end
     51   };
     52   enum GNUNET_DB_QueryStatus qs;
     53 
     54   check_connection (pg);
     55   PREPARE (pg,
     56            "increment_money_pots",
     57            "SELECT"
     58            " out_not_found AS not_found"
     59            " FROM merchant_do_increment_money_pots"
     60            "($1,$2,$3);");
     61   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     62                                                  "increment_money_pots",
     63                                                  params,
     64                                                  rs);
     65   GNUNET_PQ_cleanup_query_params_closures (params);
     66   if (qs <= 0)
     67     return qs;
     68   if (not_found)
     69   {
     70     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
     71                 "Some money pots could not be implemented because they no longer exist. This is not a bug and expected to happen if a merchant deletes money pots that were used in orders active at the time.\n");
     72   }
     73   return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
     74 }