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Base system with REST service to issue digital coins, run by the payment service provider
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taler-auditor-httpd_delete_generic.c (3551B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2024 Taler Systems SA
      4 
      5    TALER is free software; you can redistribute it and/or modify it under the
      6    terms of the GNU 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 #include "taler/platform.h"
     17 #include <gnunet/gnunet_util_lib.h>
     18 #include <gnunet/gnunet_json_lib.h>
     19 #include <jansson.h>
     20 #include <microhttpd.h>
     21 #include <pthread.h>
     22 #include "taler/taler_json_lib.h"
     23 #include "taler/taler_mhd_lib.h"
     24 #include "taler-auditor-httpd.h"
     25 #include "taler-auditor-httpd_delete_generic.h"
     26 
     27 
     28 MHD_RESULT
     29 TAH_delete_handler_generic (
     30   struct TAH_RequestHandler *rh,
     31   struct MHD_Connection *connection,
     32   void **connection_cls,
     33   const char *upload_data,
     34   size_t *upload_data_size,
     35   const char *const args[])
     36 {
     37   enum GNUNET_DB_QueryStatus qs;
     38   unsigned long long row_id;
     39   char dummy;
     40 
     41   (void) connection_cls;
     42   if (GNUNET_SYSERR ==
     43       TAH_plugin->preflight (TAH_plugin->cls))
     44   {
     45     GNUNET_break (0);
     46     return TALER_MHD_reply_with_error (connection,
     47                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     48                                        TALER_EC_GENERIC_DB_SETUP_FAILED,
     49                                        NULL);
     50   }
     51 
     52   if ((NULL == args[1]) ||
     53       (1 != sscanf (args[1],
     54                     "%llu%c",
     55                     &row_id,
     56                     &dummy)))
     57   {
     58     GNUNET_break_op (0);
     59     return TALER_MHD_reply_with_error (connection,
     60                                        MHD_HTTP_BAD_REQUEST,
     61                                        TALER_EC_AUDITOR_RESOURCE_NOT_FOUND,
     62                                        "no row id specified");
     63   }
     64 
     65   /* execute transaction */
     66   qs = TAH_plugin->delete_generic (TAH_plugin->cls,
     67                                    rh->table,
     68                                    row_id);
     69   switch (qs)
     70   {
     71   case GNUNET_DB_STATUS_HARD_ERROR:
     72     GNUNET_break (0);
     73     return TALER_MHD_reply_with_error (connection,
     74                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     75                                        TALER_EC_GENERIC_DB_STORE_FAILED,
     76                                        "db store failed");
     77   case GNUNET_DB_STATUS_SOFT_ERROR:
     78     GNUNET_break (0);
     79     return TALER_MHD_reply_with_error (connection,
     80                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     81                                        TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE,
     82                                        "unexpected serialization problem");
     83   case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
     84     return TALER_MHD_reply_with_error (connection,
     85                                        MHD_HTTP_NOT_FOUND,
     86                                        TALER_EC_AUDITOR_RESOURCE_NOT_FOUND,
     87                                        "no delete executed");
     88   case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
     89     return TALER_MHD_reply_static (connection,
     90                                    MHD_HTTP_NO_CONTENT,
     91                                    NULL,
     92                                    NULL,
     93                                    0);
     94   }
     95   GNUNET_break (0);
     96   return MHD_NO;
     97 }