merchant

Merchant backend to process payments, run by merchants
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pg_insert_product_group.c (2349B)

      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_insert_product_group.c
     18  * @brief Implementation of the insert_product_group function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "taler/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_insert_product_group.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TMH_PG_insert_product_group (
     31   void *cls,
     32   const char *instance_id,
     33   const char *name,
     34   const char *description,
     35   uint64_t *product_group_id)
     36 {
     37   struct PostgresClosure *pg = cls;
     38   struct GNUNET_PQ_QueryParam params[] = {
     39     GNUNET_PQ_query_param_string (instance_id),
     40     GNUNET_PQ_query_param_string (name),
     41     GNUNET_PQ_query_param_string (description),
     42     GNUNET_PQ_query_param_end
     43   };
     44   struct GNUNET_PQ_ResultSpec rs[] = {
     45     GNUNET_PQ_result_spec_uint64 ("product_group_serial",
     46                                   product_group_id),
     47     GNUNET_PQ_result_spec_end
     48   };
     49 
     50   check_connection (pg);
     51   PREPARE (pg,
     52            "insert_product_group",
     53            "INSERT INTO merchant_product_groups"
     54            "(merchant_serial"
     55            ",product_group_name"
     56            ",product_group_description)"
     57            " SELECT merchant_serial, $2, $3"
     58            "   FROM merchant_instances"
     59            "  WHERE merchant_id=$1"
     60            " ON CONFLICT DO NOTHING"
     61            " RETURNING product_group_serial");
     62 
     63   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     64                                                    "insert_product_group",
     65                                                    params,
     66                                                    rs);
     67 }