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/*
This file is part of TALER
Copyright (C) 2023 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_pending_webhooks.h
* @brief implementation of the lookup_pending_webhooks function for Postgres
* @author Iván Ávalos
*/
#ifndef PG_LOOKUP_PENDING_WEBHOOKS_H
#define PG_LOOKUP_PENDING_WEBHOOKS_H
#include <taler/taler_util.h>
#include <taler/taler_json_lib.h>
#include "taler_merchantdb_plugin.h"
/**
* Lookup the webhook that need to be send in priority.
* send.
*
* @param cls closure
* @param cb pending webhook callback
* @param cb_cls callback closure
*/
// WHERE next_attempt <= now ORDER BY next_attempt ASC
enum GNUNET_DB_QueryStatus
TMH_PG_lookup_pending_webhooks (void *cls,
TALER_MERCHANTDB_PendingWebhooksCallback cb,
void *cb_cls);
/**
* Lookup future webhook in the pending webhook that need to be send.
* With that we can know how long the system can 'sleep'.
*
* @param cls closure
* @param cb pending webhook callback
* @param cb_cls callback closure
*/
// ORDER BY next_attempt ASC LIMIT 1
enum GNUNET_DB_QueryStatus
TMH_PG_lookup_future_webhook (void *cls,
TALER_MERCHANTDB_PendingWebhooksCallback cb,
void *cb_cls);
/**
* Lookup all the webhooks in the pending webhook.
* Use by the administrator
*
* @param cls closure
* @param instance_id to lookup webhooks for this instance particularly
* @param min_row to see the list of the pending webhook that it is started with this minimum row.
* @param max_results to see the list of the pending webhook that it is end with this max results.
* @param cb pending webhook callback
* @param cb_cls callback closure
*/
// WHERE webhook_pending_serial > min_row ORDER BY webhook_pending_serial ASC LIMIT max_results
enum GNUNET_DB_QueryStatus
TMH_PG_lookup_all_webhooks (void *cls,
const char *instance_id,
uint64_t min_row,
uint32_t max_results,
TALER_MERCHANTDB_PendingWebhooksCallback cb,
void *cb_cls);
#endif
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