merchant

Merchant backend to process payments, run by merchants
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taler-merchant-httpd_get-private-categories.c (3092B)

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