merchant

Merchant backend to process payments, run by merchants
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update_product_group.c (2555B)

      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_product_group.c
     18  * @brief Implementation of the update_product_group function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_pq_lib.h>
     23 #include "merchant-database/update_product_group.h"
     24 #include "helper.h"
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_MERCHANTDB_update_product_group (
     29   struct TALER_MERCHANTDB_PostgresContext *pg,
     30   const char *instance_id,
     31   uint64_t product_group_id,
     32   const char *name,
     33   const char *description,
     34   bool *conflict)
     35 {
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_uint64 (&product_group_id),
     38     GNUNET_PQ_query_param_string (name),
     39     GNUNET_PQ_query_param_string (description),
     40     GNUNET_PQ_query_param_end
     41   };
     42   bool not_found;
     43   struct GNUNET_PQ_ResultSpec rs[] = {
     44     GNUNET_PQ_result_spec_bool ("conflict",
     45                                 conflict),
     46     GNUNET_PQ_result_spec_bool ("not_found",
     47                                 &not_found),
     48     GNUNET_PQ_result_spec_end
     49   };
     50   enum GNUNET_DB_QueryStatus qs;
     51 
     52   GNUNET_assert (NULL != pg->current_merchant_id);
     53   GNUNET_assert (0 == strcmp (instance_id,
     54                               pg->current_merchant_id));
     55   check_connection (pg);
     56 
     57   TMH_PQ_prepare_anon (pg,
     58                        "SELECT"
     59                        " out_conflict AS conflict"
     60                        ",out_not_found AS not_found"
     61                        " FROM merchant_do_update_product_group"
     62                        "($1,$2,$3);");
     63   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     64                                                  "",
     65                                                  params,
     66                                                  rs);
     67   if (qs <= 0)
     68     return qs;
     69   if (not_found)
     70     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
     71   return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
     72 }