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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.c
* @brief Implementation of the lookup_order 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.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TMH_PG_lookup_order (void *cls,
const char *instance_id,
const char *order_id,
struct TALER_ClaimTokenP *claim_token,
struct TALER_MerchantPostDataHashP *h_post_data,
json_t **contract_terms)
{
struct PostgresClosure *pg = cls;
json_t *j;
struct TALER_ClaimTokenP ct;
enum GNUNET_DB_QueryStatus qs;
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[] = {
TALER_PQ_result_spec_json ("contract_terms",
&j),
GNUNET_PQ_result_spec_auto_from_type ("claim_token",
&ct),
GNUNET_PQ_result_spec_auto_from_type ("h_post_data",
h_post_data),
GNUNET_PQ_result_spec_end
};
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Finding contract term, order_id: '%s', instance_id: '%s'.\n",
order_id,
instance_id);
check_connection (pg);
PREPARE (pg,
"lookup_order",
"SELECT"
" contract_terms"
",claim_token"
",h_post_data"
",pos_key"
" FROM merchant_orders"
" WHERE merchant_orders.merchant_serial="
" (SELECT merchant_serial "
" FROM merchant_instances"
" WHERE merchant_id=$1)"
" AND merchant_orders.order_id=$2");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"lookup_order",
params,
rs);
if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
{
if (NULL != contract_terms)
*contract_terms = j;
else
json_decref (j);
if (NULL != claim_token)
*claim_token = ct;
}
else
{
/* just to be safe: NULL it */
if (NULL != contract_terms)
*contract_terms = NULL;
if (NULL != claim_token)
*claim_token = (struct TALER_ClaimTokenP) { 0 }
;
}
return qs;
}
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