pg_lookup_product.h (1837B)
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 backenddb/pg_lookup_product.h 18 * @brief implementation of the lookup_product function for Postgres 19 * @author Iván Ávalos 20 */ 21 #ifndef PG_LOOKUP_PRODUCT_H 22 #define PG_LOOKUP_PRODUCT_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "taler_merchantdb_plugin.h" 27 28 /** 29 * Lookup details about a particular product. 30 * 31 * @param cls closure 32 * @param instance_id instance to lookup products for 33 * @param product_id product to lookup 34 * @param[out] pd set to the product details on success, can be NULL 35 * (in that case we only want to check if the product exists) 36 * @param[out] num_categories set to length of @a categories array 37 * @param[out] categories set to array of categories the 38 * product is in, caller must free() it. 39 * @return database result code 40 */ 41 enum GNUNET_DB_QueryStatus 42 TMH_PG_lookup_product (void *cls, 43 const char *instance_id, 44 const char *product_id, 45 struct TALER_MERCHANTDB_ProductDetails *pd, 46 size_t *num_categories, 47 uint64_t **categories); 48 49 #endif