merchant

Merchant backend to process payments, run by merchants
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update_unit.c (3849B)


      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/update_unit.c
     18  * @brief Implementation of the update_unit function for Postgres
     19  * @author Bohdan Potuzhnyi
     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/update_unit.h"
     26 #include "helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TALER_MERCHANTDB_update_unit (struct TALER_MERCHANTDB_PostgresContext *pg,
     31                               const char *instance_id,
     32                               const char *unit_id,
     33                               const char *unit_name_long,
     34                               const json_t *unit_name_long_i18n,
     35                               const char *unit_name_short,
     36                               const json_t *unit_name_short_i18n,
     37                               const bool *unit_allow_fraction,
     38                               const uint32_t *unit_precision_level,
     39                               const bool *unit_active,
     40                               bool *no_instance,
     41                               bool *no_unit,
     42                               bool *builtin_conflict)
     43 {
     44   struct GNUNET_PQ_QueryParam params[] = {
     45     GNUNET_PQ_query_param_string (instance_id),
     46     GNUNET_PQ_query_param_string (unit_id),
     47     (NULL == unit_name_long)
     48     ? GNUNET_PQ_query_param_null ()
     49     : GNUNET_PQ_query_param_string (unit_name_long),
     50     (NULL == unit_name_long_i18n)
     51     ? GNUNET_PQ_query_param_null ()
     52     : TALER_PQ_query_param_json ((json_t *) unit_name_long_i18n),
     53     (NULL == unit_name_short)
     54     ? GNUNET_PQ_query_param_null ()
     55     : GNUNET_PQ_query_param_string (unit_name_short),
     56     (NULL == unit_name_short_i18n)
     57     ? GNUNET_PQ_query_param_null ()
     58     : TALER_PQ_query_param_json ((json_t *) unit_name_short_i18n),
     59     (NULL == unit_allow_fraction)
     60     ? GNUNET_PQ_query_param_null ()
     61     : GNUNET_PQ_query_param_bool (*unit_allow_fraction),
     62     (NULL == unit_precision_level)
     63     ? GNUNET_PQ_query_param_null ()
     64     : GNUNET_PQ_query_param_uint32 ((uint32_t *) unit_precision_level),
     65     (NULL == unit_active)
     66     ? GNUNET_PQ_query_param_null ()
     67     : GNUNET_PQ_query_param_bool (*unit_active),
     68     GNUNET_PQ_query_param_end
     69   };
     70   struct GNUNET_PQ_ResultSpec rs[] = {
     71     GNUNET_PQ_result_spec_bool ("out_no_instance",
     72                                 no_instance),
     73     GNUNET_PQ_result_spec_bool ("out_no_unit",
     74                                 no_unit),
     75     GNUNET_PQ_result_spec_bool ("out_builtin_conflict",
     76                                 builtin_conflict),
     77     GNUNET_PQ_result_spec_end
     78   };
     79   enum GNUNET_DB_QueryStatus qs;
     80 
     81   check_connection (pg);
     82   PREPARE (pg,
     83            "update_unit",
     84            "SELECT"
     85            " out_no_instance"
     86            " ,out_no_unit"
     87            " ,out_builtin_conflict"
     88            " FROM merchant_do_update_unit"
     89            "($1,$2,$3,$4,$5,$6,$7,$8,$9);");
     90   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     91                                                  "update_unit",
     92                                                  params,
     93                                                  rs);
     94   GNUNET_PQ_cleanup_query_params_closures (params);
     95   return qs;
     96 }