merchant

Merchant backend to process payments, run by merchants
Log | Files | Refs | Submodules | README | LICENSE

pg_update_template.c (2942B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022-2024 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_update_template.c
     18  * @brief Implementation of the update_template 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_update_template.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TMH_PG_update_template (void *cls,
     31                         const char *instance_id,
     32                         const char *template_id,
     33                         const struct TALER_MERCHANTDB_TemplateDetails *td)
     34 {
     35   struct PostgresClosure *pg = cls;
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_string (instance_id),
     38     GNUNET_PQ_query_param_string (template_id),
     39     GNUNET_PQ_query_param_string (td->template_description),
     40     (NULL == td->otp_id)
     41     ? GNUNET_PQ_query_param_null ()
     42     : GNUNET_PQ_query_param_string (td->otp_id),
     43     TALER_PQ_query_param_json (td->template_contract),
     44     (NULL == td->editable_defaults)
     45     ? GNUNET_PQ_query_param_null ()
     46     : TALER_PQ_query_param_json (td->editable_defaults),
     47     GNUNET_PQ_query_param_end
     48   };
     49   enum GNUNET_DB_QueryStatus qs;
     50 
     51   check_connection (pg);
     52   PREPARE (pg,
     53            "update_template",
     54            "WITH mid AS ("
     55            "  SELECT merchant_serial"
     56            "    FROM merchant_instances"
     57            "   WHERE merchant_id=$1)"
     58            ",otp AS ("
     59            "   SELECT otp_serial"
     60            "     FROM merchant_otp_devices"
     61            "     JOIN mid USING (merchant_serial)"
     62            "    WHERE otp_id=$4)"
     63            "UPDATE merchant_template SET"
     64            " template_description=$3"
     65            ",otp_device_id="
     66            "  COALESCE((SELECT otp_serial"
     67            "            FROM otp), NULL)"
     68            ",template_contract=$5::TEXT::JSONB"
     69            ",editable_defaults=$6::TEXT::JSONB"
     70            " WHERE merchant_serial="
     71            "   (SELECT merchant_serial"
     72            "      FROM mid)"
     73            "   AND template_id=$2");
     74   qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
     75                                            "update_template",
     76                                            params);
     77   GNUNET_PQ_cleanup_query_params_closures (params);
     78   return qs;
     79 }