lookup_categories.h (2025B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2024 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_categories.h 18 * @brief implementation of the lookup_categories function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef MERCHANT_DATABASE_LOOKUP_CATEGORIES_H 22 #define MERCHANT_DATABASE_LOOKUP_CATEGORIES_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "merchantdb_lib.h" 27 28 29 /** 30 * Typically called by `lookup_categories`. 31 * 32 * @param cls closure 33 * @param category_id ID of the category 34 * @param category_name name of the category 35 * @param category_name_i18n translations of the @a category_name 36 * @param product_count number of products in the category 37 */ 38 typedef void 39 (*TALER_MERCHANTDB_CategoriesCallback)( 40 void *cls, 41 uint64_t category_id, 42 const char *category_name, 43 const json_t *category_name_i18n, 44 uint64_t product_count); 45 46 47 /** 48 * Lookup all of the product categories the given instance has configured. 49 * 50 * @param pg database context 51 * @param instance_id instance to lookup OTP devices for 52 * @param cb function to call on all categories found 53 * @param cb_cls closure for @a cb 54 * @return database result code 55 */ 56 enum GNUNET_DB_QueryStatus 57 TALER_MERCHANTDB_lookup_categories ( 58 struct TALER_MERCHANTDB_PostgresContext *pg, 59 const char *instance_id, 60 TALER_MERCHANTDB_CategoriesCallback cb, 61 void *cb_cls); 62 63 #endif