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


enum GNUNET_DB_QueryStatus
TALER_MERCHANTDB_delete_product (
  struct TALER_MERCHANTDB_PostgresContext *pg,
  const char *instance_id,
  const char *product_id,
  bool force,
  bool *not_found,
  bool *locked)
{
  struct GNUNET_PQ_QueryParam params[] = {
    GNUNET_PQ_query_param_string (product_id),
    GNUNET_PQ_query_param_bool (force),
    GNUNET_PQ_query_param_end
  };
  struct GNUNET_PQ_ResultSpec rs[] = {
    GNUNET_PQ_result_spec_bool ("not_found",
                                not_found),
    GNUNET_PQ_result_spec_bool ("locked",
                                locked),
    GNUNET_PQ_result_spec_end
  };

  GNUNET_assert (NULL != pg->current_merchant_id);
  GNUNET_assert (0 == strcmp (instance_id,
                              pg->current_merchant_id));
  TMH_PQ_prepare_anon (pg,
                       "SELECT"
                       " out_not_found AS not_found"
                       ",out_locked AS locked"
                       " FROM merchant_do_delete_product"
                       " ($1, $2);");
  *not_found = false;
  *locked = false;
  return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
                                                   "",
                                                   params,
                                                   rs);
}
