Line data    Source code

       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 "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_json_lib.h"
      23             : #include "taler_mhd_lib.h"
      24             : #include "taler-auditor-httpd.h"
      25             : #include "taler-auditor-httpd_balances-get.h"
      26             : 
      27             : /**
      28             :  * Add balance to the list.
      29             :  *
      30             :  * @param[in,out] cls a `json_t *` array to extend
      31             :  * @param dc struct of with balance data
      32             :  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
      33             :  */
      34             : static enum GNUNET_GenericReturnValue
      35         382 : process_balances (
      36             :   void *cls,
      37             :   const struct TALER_AUDITORDB_Balances *dc)
      38             : {
      39         382 :   json_t *list = cls;
      40             :   json_t *obj;
      41             : 
      42         382 :   obj = GNUNET_JSON_PACK (
      43             :     GNUNET_JSON_pack_string ("balance_key",
      44             :                              dc->balance_key),
      45             :     TALER_JSON_pack_amount ("balance_value",
      46             :                             &dc->balance_value)
      47             :     );
      48         382 :   GNUNET_break (0 ==
      49             :                 json_array_append_new (list,
      50             :                                        obj));
      51         382 :   return GNUNET_OK;
      52             : }
      53             : 
      54             : 
      55             : MHD_RESULT
      56          85 : TAH_BALANCES_handler_get (
      57             :   struct TAH_RequestHandler *rh,
      58             :   struct MHD_Connection *connection,
      59             :   void **connection_cls,
      60             :   const char *upload_data,
      61             :   size_t *upload_data_size,
      62             :   const char *const args[])
      63             : {
      64             :   json_t *ja;
      65             :   enum GNUNET_DB_QueryStatus qs;
      66             :   const char *balance_key;
      67             : 
      68             :   (void) rh;
      69             :   (void) connection_cls;
      70             :   (void) upload_data;
      71             :   (void) upload_data_size;
      72          85 :   if (GNUNET_SYSERR ==
      73          85 :       TAH_plugin->preflight (TAH_plugin->cls))
      74             :   {
      75           0 :     GNUNET_break (0);
      76           0 :     return TALER_MHD_reply_with_error (connection,
      77             :                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
      78             :                                        TALER_EC_GENERIC_DB_SETUP_FAILED,
      79             :                                        NULL);
      80             :   }
      81             :   balance_key
      82          85 :     = MHD_lookup_connection_value (connection,
      83             :                                    MHD_GET_ARGUMENT_KIND,
      84             :                                    "balance_key");
      85          85 :   ja = json_array ();
      86          85 :   GNUNET_break (NULL != ja);
      87          85 :   qs = TAH_plugin->get_balances (
      88          85 :     TAH_plugin->cls,
      89             :     balance_key,
      90             :     &process_balances,
      91             :     ja);
      92          85 :   if (0 > qs)
      93             :   {
      94           0 :     GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
      95           0 :     json_decref (ja);
      96           0 :     TALER_LOG_WARNING (
      97             :       "Failed to handle GET /balances");
      98           0 :     return TALER_MHD_reply_with_error (connection,
      99             :                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     100             :                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
     101             :                                        "balances");
     102             :   }
     103          85 :   return TALER_MHD_REPLY_JSON_PACK (
     104             :     connection,
     105             :     MHD_HTTP_OK,
     106             :     GNUNET_JSON_pack_array_steal ("balances",
     107             :                                   ja));
     108             : }