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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 exchangedb/pg_select_wire_out_above_serial_id_by_account.c
* @brief Implementation of the select_wire_out_above_serial_id_by_account function for Postgres
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_select_wire_out_above_serial_id_by_account.h"
#include "pg_helper.h"
/**
* Closure for #wire_out_serial_helper_cb().
*/
struct WireOutSerialContext
{
/**
* Callback to call.
*/
TALER_EXCHANGEDB_WireTransferOutCallback cb;
/**
* Closure for @e cb.
*/
void *cb_cls;
/**
* Plugin context.
*/
struct PostgresClosure *pg;
/**
* Status code, set to #GNUNET_SYSERR on hard errors.
*/
int status;
};
/**
* Helper function to be called with the results of a SELECT statement
* that has returned @a num_results results.
*
* @param cls closure of type `struct WireOutSerialContext`
* @param result the postgres result
* @param num_results the number of results in @a result
*/
static void
wire_out_serial_helper_cb (void *cls,
PGresult *result,
unsigned int num_results)
{
struct WireOutSerialContext *wosc = cls;
struct PostgresClosure *pg = wosc->pg;
for (unsigned int i = 0; i<num_results; i++)
{
uint64_t rowid;
struct GNUNET_TIME_Timestamp date;
struct TALER_WireTransferIdentifierRawP wtid;
char *payto_uri;
struct TALER_Amount amount;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 ("wireout_uuid",
&rowid),
GNUNET_PQ_result_spec_timestamp ("execution_date",
&date),
GNUNET_PQ_result_spec_auto_from_type ("wtid_raw",
&wtid),
GNUNET_PQ_result_spec_string ("payto_uri",
&payto_uri),
TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
&amount),
GNUNET_PQ_result_spec_end
};
int ret;
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
wosc->status = GNUNET_SYSERR;
return;
}
ret = wosc->cb (wosc->cb_cls,
rowid,
date,
&wtid,
payto_uri,
&amount);
GNUNET_PQ_cleanup_result (rs);
if (GNUNET_OK != ret)
break;
}
}
enum GNUNET_DB_QueryStatus
TEH_PG_select_wire_out_above_serial_id_by_account (
void *cls,
const char *account_name,
uint64_t serial_id,
TALER_EXCHANGEDB_WireTransferOutCallback cb,
void *cb_cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_uint64 (&serial_id),
GNUNET_PQ_query_param_string (account_name),
GNUNET_PQ_query_param_end
};
struct WireOutSerialContext wosc = {
.cb = cb,
.cb_cls = cb_cls,
.pg = pg,
.status = GNUNET_OK
};
enum GNUNET_DB_QueryStatus qs;
PREPARE (pg,
"audit_get_wire_incr_by_account",
"SELECT"
" wireout_uuid"
",execution_date"
",wtid_raw"
",payto_uri"
",amount"
" FROM wire_out"
" JOIN wire_targets"
" USING (wire_target_h_payto)"
" WHERE "
" wireout_uuid>=$1 "
" AND exchange_account_section=$2"
" ORDER BY wireout_uuid ASC;");
qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"audit_get_wire_incr_by_account",
params,
&wire_out_serial_helper_cb,
&wosc);
if (GNUNET_OK != wosc.status)
return GNUNET_DB_STATUS_HARD_ERROR;
return qs;
}
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