merchant

Merchant backend to process payments, run by merchants
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taler-merchant-httpd_private-get-templates.c (2703B)

      1 /*
      2   This file is part of TALER
      3   (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 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-templates.c
     18  * @brief implement GET /templates
     19  * @author Priscilla HUANG
     20  */
     21 #include "platform.h"
     22 #include "taler-merchant-httpd_private-get-templates.h"
     23 
     24 
     25 /**
     26  * Add template details to our JSON array.
     27  *
     28  * @param cls a `json_t *` JSON array to build
     29  * @param template_id ID of the template
     30  * @param template_description human-readable description for the template
     31  */
     32 static void
     33 add_template (void *cls,
     34               const char *template_id,
     35               const char *template_description)
     36 {
     37   json_t *pa = cls;
     38 
     39   GNUNET_assert (0 ==
     40                  json_array_append_new (
     41                    pa,
     42                    GNUNET_JSON_PACK (
     43                      GNUNET_JSON_pack_string ("template_id", template_id),
     44                      GNUNET_JSON_pack_string ("template_description",
     45                                               template_description))));
     46 }
     47 
     48 
     49 MHD_RESULT
     50 TMH_private_get_templates (const struct TMH_RequestHandler *rh,
     51                            struct MHD_Connection *connection,
     52                            struct TMH_HandlerContext *hc)
     53 {
     54   json_t *pa;
     55   enum GNUNET_DB_QueryStatus qs;
     56 
     57   pa = json_array ();
     58   GNUNET_assert (NULL != pa);
     59   qs = TMH_db->lookup_templates (TMH_db->cls,
     60                                  hc->instance->settings.id,
     61                                  &add_template,
     62                                  pa);
     63   if (0 > qs)
     64   {
     65     GNUNET_break (0);
     66     json_decref (pa);
     67     return TALER_MHD_reply_with_error (connection,
     68                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     69                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
     70                                        NULL);
     71   }
     72   return TALER_MHD_REPLY_JSON_PACK (connection,
     73                                     MHD_HTTP_OK,
     74                                     GNUNET_JSON_pack_array_steal ("templates",
     75                                                                   pa));
     76 }
     77 
     78 
     79 /* end of taler-merchant-httpd_private-get-templates.c */