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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_mark_contract_paid.c
* @brief Implementation of the mark_contract_paid 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_mark_contract_paid.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TMH_PG_mark_contract_paid (
void *cls,
const char *instance_id,
const struct TALER_PrivateContractHashP *h_contract_terms,
const char *session_id)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (instance_id),
GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
GNUNET_PQ_query_param_string (session_id),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_QueryParam uparams[] = {
GNUNET_PQ_query_param_string (instance_id),
GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
GNUNET_PQ_query_param_end
};
enum GNUNET_DB_QueryStatus qs;
/* Session ID must always be given by the caller. */
GNUNET_assert (NULL != session_id);
/* no preflight check here, run in transaction by caller! */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Marking h_contract_terms '%s' of %s as paid for session `%s'\n",
GNUNET_h2s (&h_contract_terms->hash),
instance_id,
session_id);
PREPARE (pg,
"mark_contract_paid",
"UPDATE merchant_contract_terms SET"
" paid=TRUE"
",session_id=$3"
" WHERE h_contract_terms=$2"
" AND merchant_serial="
" (SELECT merchant_serial"
" FROM merchant_instances"
" WHERE merchant_id=$1)");
qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
"mark_contract_paid",
params);
if (qs <= 0)
return qs;
PREPARE (pg,
"mark_inventory_sold",
"UPDATE merchant_inventory SET"
" total_sold=total_sold + order_locks.total_locked"
" FROM (SELECT total_locked,product_serial"
" FROM merchant_order_locks"
" WHERE order_serial="
" (SELECT order_serial"
" FROM merchant_contract_terms"
" WHERE h_contract_terms=$2"
" AND merchant_serial="
" (SELECT merchant_serial"
" FROM merchant_instances"
" WHERE merchant_id=$1))"
" ) AS order_locks"
" WHERE merchant_inventory.product_serial"
" =order_locks.product_serial");
qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
"mark_inventory_sold",
uparams);
if (qs < 0)
return qs; /* 0: no inventory management, that's OK! */
/* ON DELETE CASCADE deletes from merchant_order_locks */
PREPARE (pg,
"delete_completed_order",
"WITH md AS"
" (SELECT merchant_serial"
" FROM merchant_instances"
" WHERE merchant_id=$1) "
"DELETE"
" FROM merchant_orders"
" WHERE order_serial="
" (SELECT order_serial"
" FROM merchant_contract_terms"
" JOIN md USING (merchant_serial)"
" WHERE h_contract_terms=$2)");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"delete_completed_order",
uparams);
}
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