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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_order_summary.c
* @brief Implementation of the lookup_order_summary 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_order_summary.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TMH_PG_lookup_order_summary (void *cls,
const char *instance_id,
const char *order_id,
struct GNUNET_TIME_Timestamp *timestamp,
uint64_t *order_serial)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (instance_id),
GNUNET_PQ_query_param_string (order_id),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 ("order_serial",
order_serial),
GNUNET_PQ_result_spec_timestamp ("creation_time",
timestamp),
GNUNET_PQ_result_spec_end
};
check_connection (pg);
PREPARE (pg,
"lookup_order_summary",
"(SELECT"
" creation_time"
",order_serial"
" FROM merchant_contract_terms"
" WHERE merchant_contract_terms.merchant_serial="
" (SELECT merchant_serial "
" FROM merchant_instances"
" WHERE merchant_id=$1)"
" AND merchant_contract_terms.order_id=$2)"
"UNION"
"(SELECT"
" creation_time"
",order_serial"
" FROM merchant_orders"
" WHERE merchant_orders.merchant_serial="
" (SELECT merchant_serial "
" FROM merchant_instances"
" WHERE merchant_id=$1)"
" AND merchant_orders.order_id=$2)");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"lookup_order_summary",
params,
rs);
}
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