lookup_product.h (2019B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file src/include/merchant-database/lookup_product.h 18 * @brief implementation of the lookup_product function for Postgres 19 * @author Iván Ávalos 20 */ 21 #ifndef MERCHANT_DATABASE_LOOKUP_PRODUCT_H 22 #define MERCHANT_DATABASE_LOOKUP_PRODUCT_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "merchantdb_lib.h" 27 28 29 struct TALER_MERCHANTDB_PostgresContext; 30 /** 31 * Lookup details about a particular product. 32 * 33 * @param pg database context 34 * @param instance_id instance to lookup products for 35 * @param product_id product to lookup 36 * @param[out] pd set to the product details on success, can be NULL 37 * (in that case we only want to check if the product exists) 38 * @param[out] num_categories set to length of @a categories array 39 * @param[out] categories set to array of categories the 40 * product is in, caller must free() it. 41 * @return database result code 42 */ 43 enum GNUNET_DB_QueryStatus 44 TALER_MERCHANTDB_lookup_product (struct TALER_MERCHANTDB_PostgresContext *pg, 45 const char *instance_id, 46 const char *product_id, 47 struct TALER_MERCHANTDB_ProductDetails *pd, 48 size_t *num_categories, 49 uint64_t **categories); 50 51 #endif