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/*
This file is part of TALER
Copyright (C) 2024 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file donau-httpd_get-history.c
* @brief Return history
* @author Johannes Casaburi
*/
#include "taler/platform.h"
#include <gnunet/gnunet_util_lib.h>
#include <jansson.h>
#include <microhttpd.h>
#include "taler/taler_json_lib.h"
#include "taler/taler_mhd_lib.h"
#include "taler/taler_signatures.h"
#include "donau-httpd.h"
#include "donaudb_plugin.h"
#include "donau-httpd_history.h"
/**
* Maximum number of history we return per request.
*/
// #define MAX_RECORDS 1024
/**
* Return history information.
*
* @param cls closure
*/
enum GNUNET_GenericReturnValue
history_cb (
void *cls,
unsigned long long charity_id,
struct TALER_Amount final_amount,
uint64_t donation_year)
{
json_t *history = cls;
GNUNET_assert (
0 ==
json_array_append (
history,
GNUNET_JSON_PACK (
GNUNET_JSON_pack_int64 ("charity_id",
charity_id),
TALER_JSON_pack_amount ("final_amount",
&final_amount),
GNUNET_JSON_pack_int64 ("donation_year",
donation_year))));
return GNUNET_OK;
}
MHD_RESULT
DH_handler_history_get (
struct DH_RequestContext *rc,
const char *const args[])
{
if (NULL != args[1])
{
GNUNET_break_op (0);
return TALER_MHD_reply_with_error (rc->connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_ENDPOINT_UNKNOWN,
args[1]);
}
{
json_t *history;
enum GNUNET_DB_QueryStatus qs;
history = json_array ();
GNUNET_assert (NULL != history);
qs = DH_plugin->get_history (DH_plugin->cls,
&history_cb,
history);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
case GNUNET_DB_STATUS_SOFT_ERROR:
json_decref (history);
GNUNET_break (0);
return TALER_MHD_reply_with_error (rc->connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_FETCH_FAILED,
NULL);
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
return TALER_MHD_reply_static (
rc->connection,
MHD_HTTP_NO_CONTENT,
NULL,
NULL,
0);
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
break;
}
return TALER_MHD_REPLY_JSON_PACK (
rc->connection,
MHD_HTTP_OK,
GNUNET_JSON_pack_array_steal ("history",
history));
}
}
/* end of donau-httpd_get-history.c */
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