/*
  This file is part of Anastasis
  Copyright (C) 2020-2022 Anastasis SARL

  Anastasis 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.

  Anastasis 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
  Anastasis; see the file COPYING.GPL.  If not, see <http://www.gnu.org/licenses/>
*/
/**
 * @file stasis/get_truth_payment.c
 * @brief Anastasis database: get truth payment
 * @author Christian Grothoff
 */
#include "platform.h"
#include "anastasis-db_pg.h"
#include "anastasis/anastasis-database/get_truth_payment.h"
#include "anastasis/anastasis-database/transaction.h"
#include "anastasis/anastasis-database/preflight.h"
#include <taler/taler_pq_lib.h>


/**
 * Inquire whether truth upload payment was made.
 *
 * @param uuid the truth's UUID
 * @param[out] paid_until set for how long this truth is paid for
 * @return transaction status
 */
enum GNUNET_DB_QueryStatus
ANASTASIS_DB_get_truth_payment (
  const struct ANASTASIS_CRYPTO_TruthUUIDP *uuid,
  struct GNUNET_TIME_Timestamp *paid_until)
{
  struct GNUNET_TIME_Timestamp now = GNUNET_TIME_timestamp_get ();
  struct GNUNET_PQ_QueryParam params[] = {
    GNUNET_PQ_query_param_auto_from_type (uuid),
    GNUNET_PQ_query_param_timestamp (&now),
    GNUNET_PQ_query_param_end
  };
  struct GNUNET_PQ_ResultSpec rs[] = {
    GNUNET_PQ_result_spec_timestamp ("expiration",
                                     paid_until),
    GNUNET_PQ_result_spec_end
  };

  PREPARE ("get_truth_payment",
           "SELECT"
           " expiration"
           " FROM anastasis_truth_payment"
           " WHERE truth_uuid=$1"
           "   AND expiration>$2;");
  return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
                                                   "get_truth_payment",
                                                   params,
                                                   rs);
}


/* end of get_truth_payment.c */
