Line data    Source code

       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_patch-private-pots-POT_ID.c
      20              :  * @brief implementation of PATCH /private/pots/$POT_ID
      21              :  * @author Christian Grothoff
      22              :  */
      23              : #include "platform.h"
      24              : #include "taler-merchant-httpd_patch-private-pots-POT_ID.h"
      25              : #include <taler/taler_json_lib.h>
      26              : #include "merchant-database/update_money_pot.h"
      27              : 
      28              : 
      29              : enum MHD_Result
      30            1 : TMH_private_patch_pot (const struct TMH_RequestHandler *rh,
      31              :                        struct MHD_Connection *connection,
      32              :                        struct TMH_HandlerContext *hc)
      33              : {
      34            1 :   const char *pot_id_str = hc->infix;
      35              :   unsigned long long pot_id;
      36              :   const char *pot_name;
      37              :   const char *description;
      38              :   size_t expected_pot_total_len;
      39              :   struct TALER_Amount *expected_pot_totals;
      40              :   bool no_expected_total;
      41              :   size_t new_pot_total_len;
      42              :   struct TALER_Amount *new_pot_totals;
      43              :   bool no_new_total;
      44              :   enum GNUNET_DB_QueryStatus qs;
      45              :   bool conflict_total;
      46              :   bool conflict_name;
      47              :   struct GNUNET_JSON_Specification spec[] = {
      48            1 :     GNUNET_JSON_spec_string ("pot_name",
      49              :                              &pot_name),
      50            1 :     GNUNET_JSON_spec_string ("description",
      51              :                              &description),
      52            1 :     GNUNET_JSON_spec_mark_optional (
      53              :       TALER_JSON_spec_amount_any_array ("expected_pot_totals",
      54              :                                         &expected_pot_total_len,
      55              :                                         &expected_pot_totals),
      56              :       &no_expected_total),
      57            1 :     GNUNET_JSON_spec_mark_optional (
      58              :       TALER_JSON_spec_amount_any_array ("new_pot_totals",
      59              :                                         &new_pot_total_len,
      60              :                                         &new_pot_totals),
      61              :       &no_new_total),
      62            1 :     GNUNET_JSON_spec_end ()
      63              :   };
      64              : 
      65              :   (void) rh;
      66              :   {
      67              :     char dummy;
      68              : 
      69            1 :     if (1 != sscanf (pot_id_str,
      70              :                      "%llu%c",
      71              :                      &pot_id,
      72              :                      &dummy))
      73              :     {
      74            0 :       GNUNET_break_op (0);
      75            0 :       return TALER_MHD_reply_with_error (connection,
      76              :                                          MHD_HTTP_BAD_REQUEST,
      77              :                                          TALER_EC_GENERIC_PARAMETER_MALFORMED,
      78              :                                          "pot_id");
      79              :     }
      80              :   }
      81              : 
      82              :   {
      83              :     enum GNUNET_GenericReturnValue res;
      84              : 
      85            1 :     res = TALER_MHD_parse_json_data (connection,
      86            1 :                                      hc->request_body,
      87              :                                      spec);
      88            1 :     if (GNUNET_OK != res)
      89              :     {
      90            0 :       GNUNET_break_op (0);
      91              :       return (GNUNET_NO == res)
      92              :              ? MHD_YES
      93            0 :              : MHD_NO;
      94              :     }
      95              :   }
      96              : 
      97            1 :   qs = TALER_MERCHANTDB_update_money_pot (TMH_db,
      98            1 :                                           hc->instance->settings.id,
      99              :                                           pot_id,
     100              :                                           pot_name,
     101              :                                           description,
     102              :                                           expected_pot_total_len,
     103              :                                           no_expected_total
     104              :                                  ? NULL
     105              :                                  : expected_pot_totals,
     106              :                                           new_pot_total_len,
     107              :                                           no_new_total
     108              :                                  ? NULL
     109              :                                  : new_pot_totals,
     110              :                                           &conflict_total,
     111              :                                           &conflict_name);
     112            1 :   GNUNET_JSON_parse_free (spec);
     113            1 :   if (qs < 0)
     114              :   {
     115            0 :     GNUNET_break (0);
     116            0 :     return TALER_MHD_reply_with_error (connection,
     117              :                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     118              :                                        TALER_EC_GENERIC_DB_STORE_FAILED,
     119              :                                        "update_money_pot");
     120              :   }
     121            1 :   if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
     122              :   {
     123            0 :     return TALER_MHD_reply_with_error (
     124              :       connection,
     125              :       MHD_HTTP_NOT_FOUND,
     126              :       TALER_EC_MERCHANT_GENERIC_MONEY_POT_UNKNOWN,
     127              :       pot_id_str);
     128              :   }
     129            1 :   if (conflict_total)
     130              :   {
     131              :     /* Pot total mismatch - expected_pot_total didn't match current value */
     132            0 :     return TALER_MHD_reply_with_error (
     133              :       connection,
     134              :       MHD_HTTP_CONFLICT,
     135              :       TALER_EC_MERCHANT_PRIVATE_MONEY_POT_CONFLICTING_TOTAL,
     136              :       NULL);
     137              :   }
     138            1 :   if (conflict_name)
     139              :   {
     140              :     /* Pot name conflict - name exists */
     141            0 :     return TALER_MHD_reply_with_error (
     142              :       connection,
     143              :       MHD_HTTP_CONFLICT,
     144              :       TALER_EC_MERCHANT_PRIVATE_MONEY_POT_CONFLICTING_NAME,
     145              :       pot_name);
     146              :   }
     147              : 
     148            1 :   return TALER_MHD_reply_static (connection,
     149              :                                  MHD_HTTP_NO_CONTENT,
     150              :                                  NULL,
     151              :                                  NULL,
     152              :                                  0);
     153              : }