/*
   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/include/merchant-database/get_product.h
 * @brief implementation of the get_product function for Postgres
 * @author Iván Ávalos
 */
#ifndef MERCHANT_DATABASE_GET_PRODUCT_H
#define MERCHANT_DATABASE_GET_PRODUCT_H

#include <taler/taler_util.h>
#include <taler/taler_json_lib.h>
#include "merchantdb_lib.h"


/**
 * Lookup details about a particular product.
 *
 * @param pg database context
 * @param instance_id instance to lookup products for
 * @param product_id product to lookup
 * @param[out] pd set to the product details on success, can be NULL
 *             (in that case we only want to check if the product exists)
 * @param[out] num_categories set to length of @a categories array
 * @param[out] categories set to array of categories the
 *   product is in, caller must free() it.
 * @return database result code
 */
enum GNUNET_DB_QueryStatus
TALER_MERCHANTDB_get_product (
  struct TALER_MERCHANTDB_PostgresContext *pg,
  const char *instance_id,
  const char *product_id,
  struct TALER_MERCHANTDB_ProductDetails *pd,
  size_t *num_categories,
  uint64_t **categories);

#endif
