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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_lookup_product.c
* @brief Implementation of the lookup_product function for Postgres
* @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_lookup_product.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TMH_PG_lookup_product (void *cls,
const char *instance_id,
const char *product_id,
struct TALER_MERCHANTDB_ProductDetails *pd)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (instance_id),
GNUNET_PQ_query_param_string (product_id),
GNUNET_PQ_query_param_end
};
if (NULL == pd)
{
struct GNUNET_PQ_ResultSpec rs_null[] = {
GNUNET_PQ_result_spec_end
};
check_connection (pg);
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"lookup_product",
params,
rs_null);
}
else
{
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_string ("description",
&pd->description),
TALER_PQ_result_spec_json ("description_i18n",
&pd->description_i18n),
GNUNET_PQ_result_spec_string ("unit",
&pd->unit),
TALER_PQ_result_spec_amount_with_currency ("price",
&pd->price),
TALER_PQ_result_spec_json ("taxes",
&pd->taxes),
GNUNET_PQ_result_spec_uint64 ("total_stock",
&pd->total_stock),
GNUNET_PQ_result_spec_uint64 ("total_sold",
&pd->total_sold),
GNUNET_PQ_result_spec_uint64 ("total_lost",
&pd->total_lost),
GNUNET_PQ_result_spec_string ("image",
&pd->image),
TALER_PQ_result_spec_json ("address",
&pd->address),
GNUNET_PQ_result_spec_timestamp ("next_restock",
&pd->next_restock),
GNUNET_PQ_result_spec_uint32 ("minimum_age",
&pd->minimum_age),
GNUNET_PQ_result_spec_end
};
check_connection (pg);
PREPARE (pg,
"lookup_product",
"SELECT"
" description"
",description_i18n"
",unit"
",price"
",taxes"
",total_stock"
",total_sold"
",total_lost"
",image"
",merchant_inventory.address"
",next_restock"
",minimum_age"
" FROM merchant_inventory"
" JOIN merchant_instances"
" USING (merchant_serial)"
" WHERE merchant_instances.merchant_id=$1"
" AND merchant_inventory.product_id=$2");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"lookup_product",
params,
rs);
}
}
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