taler-merchant-httpd_private-get-categories.c (2995B)
1 /* 2 This file is part of TALER 3 (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 Affero 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 taler-merchant-httpd_private-get-categories.c 18 * @brief implement GET /categories 19 * @author Christian Grothoff 20 */ 21 #include "platform.h" 22 #include "taler-merchant-httpd_private-get-categories.h" 23 24 25 /** 26 * Add category details to our JSON array. 27 * 28 * @param cls a `json_t *` JSON array to build 29 * @param category_id ID of the category 30 * @param category_name name of the category 31 * @param category_name_i18n translations of the @a category_name 32 * @param product_count number of products in the category 33 */ 34 static void 35 add_category (void *cls, 36 uint64_t category_id, 37 const char *category_name, 38 const json_t *category_name_i18n, 39 uint64_t product_count) 40 { 41 json_t *pa = cls; 42 43 GNUNET_assert ( 44 0 == 45 json_array_append_new ( 46 pa, 47 GNUNET_JSON_PACK ( 48 GNUNET_JSON_pack_uint64 ( 49 "category_id", 50 category_id), 51 GNUNET_JSON_pack_string ( 52 "name", 53 category_name), 54 GNUNET_JSON_pack_object_incref ( 55 "name_i18n", 56 (json_t *) category_name_i18n), 57 GNUNET_JSON_pack_uint64 ( 58 "product_count", 59 product_count)))); 60 } 61 62 63 MHD_RESULT 64 TMH_private_get_categories (const struct TMH_RequestHandler *rh, 65 struct MHD_Connection *connection, 66 struct TMH_HandlerContext *hc) 67 { 68 json_t *pa; 69 enum GNUNET_DB_QueryStatus qs; 70 71 pa = json_array (); 72 GNUNET_assert (NULL != pa); 73 qs = TMH_db->lookup_categories (TMH_db->cls, 74 hc->instance->settings.id, 75 &add_category, 76 pa); 77 if (0 > qs) 78 { 79 GNUNET_break (0); 80 json_decref (pa); 81 return TALER_MHD_reply_with_error (connection, 82 MHD_HTTP_INTERNAL_SERVER_ERROR, 83 TALER_EC_GENERIC_DB_FETCH_FAILED, 84 NULL); 85 } 86 return TALER_MHD_REPLY_JSON_PACK (connection, 87 MHD_HTTP_OK, 88 GNUNET_JSON_pack_array_steal ("categories", 89 pa)); 90 } 91 92 93 /* end of taler-merchant-httpd_private-get-categories.c */