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/*
This file is part of TALER
Copyright (C) 2022 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file backenddb/pg_update_template.c
* @brief Implementation of the update_template function for Postgres
* @author Christian Grothoff
*/
#include "platform.h"
#include <taler/taler_error_codes.h>
#include <taler/taler_dbevents.h>
#include <taler/taler_pq_lib.h>
#include "pg_update_template.h"
#include "pg_helper.h"
/**
* Update details about a particular template.
*
* @param cls closure
* @param instance_id instance to update template for
* @param template_id template to update
* @param td update to the template details on success, can be NULL
* (in that case we only want to check if the template exists)
* @return database result code, #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS if the template
* does not yet exist.
*/
enum GNUNET_DB_QueryStatus
TMH_PG_update_template (void *cls,
const char *instance_id,
const char *template_id,
const struct TALER_MERCHANTDB_TemplateDetails *td)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (instance_id),
GNUNET_PQ_query_param_string (template_id),
GNUNET_PQ_query_param_string (td->template_description),
(NULL == td->otp_id)
? GNUNET_PQ_query_param_null ()
: GNUNET_PQ_query_param_string (td->otp_id),
TALER_PQ_query_param_json (td->template_contract),
GNUNET_PQ_query_param_end
};
check_connection (pg);
PREPARE (pg,
"update_template",
"WITH mid AS ("
" SELECT merchant_serial"
" FROM merchant_instances"
" WHERE merchant_id=$1)"
",otp AS ("
" SELECT otp_serial"
" FROM merchant_otp_devices"
" JOIN mid USING (merchant_serial)"
" WHERE otp_id=$4)"
"UPDATE merchant_template SET"
" template_description=$3"
",otp_device_id="
" COALESCE((SELECT otp_serial"
" FROM otp), NULL)"
",template_contract=$5"
" WHERE merchant_serial="
" (SELECT merchant_serial"
" FROM mid)"
" AND template_id=$2");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"update_template",
params);
}
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