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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_product.c
* @brief Implementation of the update_product function for Postgres
* @author Christian Grothoff
* @author Iván Ávalos
*/
#include "platform.h"
#include <taler/taler_error_codes.h>
#include <taler/taler_dbevents.h>
#include <taler/taler_pq_lib.h>
#include "pg_update_product.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TMH_PG_update_product (void *cls,
const char *instance_id,
const char *product_id,
const struct TALER_MERCHANTDB_ProductDetails *pd)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (instance_id), /* $1 */
GNUNET_PQ_query_param_string (product_id),
GNUNET_PQ_query_param_string (pd->description),
TALER_PQ_query_param_json (pd->description_i18n),
GNUNET_PQ_query_param_string (pd->unit),
GNUNET_PQ_query_param_string (pd->image), /* $6 */
TALER_PQ_query_param_json (pd->taxes),
TALER_PQ_query_param_amount_with_currency (pg->conn,
&pd->price), /* $8 */
GNUNET_PQ_query_param_uint64 (&pd->total_stock), /* $9 */
GNUNET_PQ_query_param_uint64 (&pd->total_lost),
TALER_PQ_query_param_json (pd->address),
GNUNET_PQ_query_param_timestamp (&pd->next_restock),
GNUNET_PQ_query_param_uint32 (&pd->minimum_age),
GNUNET_PQ_query_param_end
};
if ( (pd->total_stock < pd->total_lost + pd->total_sold) ||
(pd->total_lost < pd->total_lost
+ pd->total_sold) /* integer overflow */)
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
check_connection (pg);
PREPARE (pg,
"update_product",
"UPDATE merchant_inventory SET"
" description=$3"
",description_i18n=$4"
",unit=$5"
",image=$6"
",taxes=$7"
",price=$8"
",total_stock=$9"
",total_lost=$10"
",address=$11"
",next_restock=$12"
",minimum_age=$13"
" WHERE merchant_serial="
" (SELECT merchant_serial"
" FROM merchant_instances"
" WHERE merchant_id=$1)"
" AND product_id=$2"
" AND total_stock <= $9"
" AND total_lost <= $10");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"update_product",
params);
}
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