merchant

Merchant backend to process payments, run by merchants
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taler-merchant-httpd_get-private-pots-POT_ID.c (3409B)

      1 /*
      2   This file is part of TALER
      3   (C) 2025 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 Affero General Public License for more
     12   details.
     13 
     14   You should have received a copy of the GNU Affero General Public License
     15   along with TALER; see the file COPYING.  If not, see
     16   <http://www.gnu.org/licenses/>
     17 */
     18 /**
     19  * @file src/backend/taler-merchant-httpd_get-private-pots-POT_ID.c
     20  * @brief implementation of GET /private/pots/$POT_ID
     21  * @author Christian Grothoff
     22  */
     23 #include "platform.h"
     24 #include "taler-merchant-httpd_get-private-pots-POT_ID.h"
     25 #include <taler/taler_json_lib.h>
     26 #include "merchant-database/select_money_pot.h"
     27 
     28 
     29 enum MHD_Result
     30 TMH_private_get_pot (const struct TMH_RequestHandler *rh,
     31                      struct MHD_Connection *connection,
     32                      struct TMH_HandlerContext *hc)
     33 {
     34   const char *pot_id_str = hc->infix;
     35   unsigned long long pot_id;
     36   char *pot_name;
     37   char *description;
     38   size_t pot_total_len;
     39   struct TALER_Amount *pot_totals;
     40   enum GNUNET_DB_QueryStatus qs;
     41   char dummy;
     42 
     43   (void) rh;
     44   if (1 != sscanf (pot_id_str,
     45                    "%llu%c",
     46                    &pot_id,
     47                    &dummy))
     48   {
     49     GNUNET_break_op (0);
     50     return TALER_MHD_reply_with_error (connection,
     51                                        MHD_HTTP_BAD_REQUEST,
     52                                        TALER_EC_GENERIC_PARAMETER_MALFORMED,
     53                                        "pot_id");
     54   }
     55   qs = TALER_MERCHANTDB_select_money_pot (TMH_db,
     56                                           hc->instance->settings.id,
     57                                           pot_id,
     58                                           &pot_name,
     59                                           &description,
     60                                           &pot_total_len,
     61                                           &pot_totals);
     62 
     63   if (qs < 0)
     64   {
     65     GNUNET_break (0);
     66     return TALER_MHD_reply_with_error (connection,
     67                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     68                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
     69                                        "select_money_pot");
     70   }
     71   if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
     72   {
     73     return TALER_MHD_reply_with_error (
     74       connection,
     75       MHD_HTTP_NOT_FOUND,
     76       TALER_EC_MERCHANT_GENERIC_MONEY_POT_UNKNOWN,
     77       pot_id_str);
     78   }
     79 
     80   {
     81     enum MHD_Result ret;
     82 
     83     ret = TALER_MHD_REPLY_JSON_PACK (
     84       connection,
     85       MHD_HTTP_OK,
     86       GNUNET_JSON_pack_string ("description",
     87                                description),
     88       GNUNET_JSON_pack_string ("pot_name",
     89                                pot_name),
     90       (0 == pot_total_len)
     91       ? GNUNET_JSON_pack_array_steal ("pot_totals",
     92                                       json_array ())
     93       : TALER_JSON_pack_amount_array ("pot_totals",
     94                                       pot_total_len,
     95                                       pot_totals));
     96     GNUNET_free (pot_totals);
     97     GNUNET_free (pot_name);
     98     GNUNET_free (description);
     99     return ret;
    100   }
    101 }