merchant

Merchant backend to process payments, run by merchants
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taler-merchant-httpd_get-private-templates.c (2813B)

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