merchant

Merchant backend to process payments, run by merchants
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taler-merchant-httpd_get-private-fountains.c (2887B)

      1 /*
      2   This file is part of TALER
      3   (C) 2026 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify
      6   it under the terms of the GNU Affero General Public License as
      7   published by the Free Software Foundation; either version 3,
      8   or (at your option) any later version.
      9 
     10   TALER is distributed in the hope that it will be useful, but
     11   WITHOUT ANY WARRANTY; without even the implied warranty of
     12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13   GNU General Public License for more details.
     14 
     15   You should have received a copy of the GNU General Public
     16   License along with TALER; see the file COPYING.  If not,
     17   see <http://www.gnu.org/licenses/>
     18 */
     19 
     20 /**
     21  * @file src/backend/taler-merchant-httpd_get-private-fountains.c
     22  * @brief implementing GET /private/fountains request handling
     23  * @author Bohdan Potuzhnyi
     24  */
     25 #include "platform.h"
     26 #include "taler-merchant-httpd_get-private-fountains.h"
     27 #include <taler/taler_json_lib.h>
     28 #include "merchant-database/iterate_fountains.h"
     29 
     30 
     31 /**
     32  * Add fountain details to the JSON array in @a cls.
     33  *
     34  * @param cls a `json_t *` JSON array to build
     35  * @param fountain_id public identifier of the fountain
     36  * @param description description of the fountain
     37  */
     38 static void
     39 add_fountain (void *cls,
     40               const char *fountain_id,
     41               const char *description)
     42 {
     43   json_t *pa = cls;
     44 
     45   GNUNET_assert (0 ==
     46                  json_array_append_new (
     47                    pa,
     48                    GNUNET_JSON_PACK (
     49                      GNUNET_JSON_pack_string ("fountain_id",
     50                                               fountain_id),
     51                      GNUNET_JSON_pack_string ("description",
     52                                               description))));
     53 }
     54 
     55 
     56 enum MHD_Result
     57 TMH_private_get_fountains (const struct TMH_RequestHandler *rh,
     58                            struct MHD_Connection *connection,
     59                            struct TMH_HandlerContext *hc)
     60 {
     61   struct TMH_MerchantInstance *mi = hc->instance;
     62   json_t *pa;
     63   enum GNUNET_DB_QueryStatus qs;
     64 
     65   GNUNET_assert (NULL != mi);
     66   pa = json_array ();
     67   GNUNET_assert (NULL != pa);
     68   qs = TALER_MERCHANTDB_iterate_fountains (TMH_db,
     69                                            mi->settings.id,
     70                                            &add_fountain,
     71                                            pa);
     72   if (0 > qs)
     73   {
     74     GNUNET_break (0);
     75     json_decref (pa);
     76     return TALER_MHD_reply_with_error (connection,
     77                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     78                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
     79                                        "iterate_fountains");
     80   }
     81   return TALER_MHD_REPLY_JSON_PACK (
     82     connection,
     83     MHD_HTTP_OK,
     84     GNUNET_JSON_pack_array_steal ("fountains",
     85                                   pa));
     86 }
     87 
     88 
     89 /* end of taler-merchant-httpd_get-private-fountains.c */