/*
   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 src/backenddb/get_login_token.c
 * @brief Implementation of the get_login_token function for Postgres
 * @author Christian Grothoff
 */
#include "platform.h"
#include <taler/taler_pq_lib.h>
#include "merchant-database/get_login_token.h"
#include "helper.h"


enum GNUNET_DB_QueryStatus
TALER_MERCHANTDB_get_login_token (
  struct TALER_MERCHANTDB_PostgresContext *pg,
  const char *id,
  const struct TALER_MERCHANTDB_LoginTokenP *token,
  struct GNUNET_TIME_Timestamp *expiration_time,
  uint32_t *validity_scope)
{
  struct GNUNET_PQ_QueryParam params[] = {
    GNUNET_PQ_query_param_auto_from_type (token),
    GNUNET_PQ_query_param_end
  };
  struct GNUNET_PQ_ResultSpec rs[] = {
    GNUNET_PQ_result_spec_timestamp ("expiration_time",
                                     expiration_time),
    GNUNET_PQ_result_spec_uint32 ("validity_scope",
                                  validity_scope),
    GNUNET_PQ_result_spec_end
  };

  GNUNET_assert (NULL != pg->current_merchant_id);
  GNUNET_assert (0 == strcmp (id,
                              pg->current_merchant_id));
  TMH_PQ_prepare_anon (pg,
                       "SELECT"
                       " expiration_time"
                       ",validity_scope"
                       " FROM merchant_login_tokens"
                       " WHERE token=$1");
  return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
                                                   "",
                                                   params,
                                                   rs);
}
