merchant

Merchant backend to process payments, run by merchants
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pg_update_template.c (2844B)

      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 "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 
     50   check_connection (pg);
     51   PREPARE (pg,
     52            "update_template",
     53            "WITH mid AS ("
     54            "  SELECT merchant_serial"
     55            "    FROM merchant_instances"
     56            "   WHERE merchant_id=$1)"
     57            ",otp AS ("
     58            "   SELECT otp_serial"
     59            "     FROM merchant_otp_devices"
     60            "     JOIN mid USING (merchant_serial)"
     61            "    WHERE otp_id=$4)"
     62            "UPDATE merchant_template SET"
     63            " template_description=$3"
     64            ",otp_device_id="
     65            "  COALESCE((SELECT otp_serial"
     66            "            FROM otp), NULL)"
     67            ",template_contract=$5::TEXT::JSONB"
     68            ",editable_defaults=$6::TEXT::JSONB"
     69            " WHERE merchant_serial="
     70            "   (SELECT merchant_serial"
     71            "      FROM mid)"
     72            "   AND template_id=$2");
     73   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
     74                                              "update_template",
     75                                              params);
     76 }