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 <gnunet/gnunet_util_lib.h>
      17              : #include <gnunet/gnunet_json_lib.h>
      18              : #include <jansson.h>
      19              : #include <microhttpd.h>
      20              : #include <pthread.h>
      21              : #include "taler/taler_json_lib.h"
      22              : #include "taler/taler_mhd_lib.h"
      23              : #include "taler-auditor-httpd.h"
      24              : #include "taler-auditor-httpd_get-monitoring-balances.h"
      25              : #define TALER_AUDITORDB_BALANCES_RESULT_CLOSURE json_t
      26              : #include "auditor-database/iterate_balances.h"
      27              : #include "auditor-database/preflight.h"
      28              : 
      29              : /**
      30              :  * Add balance to the list.
      31              :  *
      32              :  * @param[in,out] list a `json_t *` array to extend
      33              :  * @param dc struct of with balance data
      34              :  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
      35              :  */
      36              : static enum GNUNET_GenericReturnValue
      37            0 : process_balances (
      38              :   json_t *list,
      39              :   const struct TALER_AUDITORDB_Balances *dc)
      40              : {
      41              :   json_t *obj;
      42              : 
      43            0 :   obj = GNUNET_JSON_PACK (
      44              :     GNUNET_JSON_pack_string ("balance_key",
      45              :                              dc->balance_key),
      46              :     GNUNET_JSON_pack_allow_null (
      47              :       TALER_JSON_pack_amount ("balance_value",
      48              :                               (GNUNET_OK ==
      49              :                                TALER_amount_is_valid (&dc->balance_value))
      50              :                               ? &dc->balance_value
      51              :                               : NULL))
      52              :     );
      53            0 :   GNUNET_break (0 ==
      54              :                 json_array_append_new (list,
      55              :                                        obj));
      56            0 :   return GNUNET_OK;
      57              : }
      58              : 
      59              : 
      60              : enum MHD_Result
      61            0 : TAH_get_monitoring_balances (
      62              :   struct TAH_RequestHandler *rh,
      63              :   struct MHD_Connection *connection,
      64              :   void **connection_cls,
      65              :   const char *upload_data,
      66              :   size_t *upload_data_size,
      67              :   const char *const args[])
      68              : {
      69              :   json_t *ja;
      70              :   enum GNUNET_DB_QueryStatus qs;
      71              :   const char *balance_key;
      72              : 
      73              :   (void) rh;
      74              :   (void) connection_cls;
      75              :   (void) upload_data;
      76              :   (void) upload_data_size;
      77            0 :   if (GNUNET_SYSERR ==
      78            0 :       TALER_AUDITORDB_preflight (TAH_apg))
      79              :   {
      80            0 :     GNUNET_break (0);
      81            0 :     return TALER_MHD_reply_with_error (connection,
      82              :                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
      83              :                                        TALER_EC_GENERIC_DB_SETUP_FAILED,
      84              :                                        NULL);
      85              :   }
      86              :   balance_key
      87            0 :     = MHD_lookup_connection_value (connection,
      88              :                                    MHD_GET_ARGUMENT_KIND,
      89              :                                    "balance_key");
      90            0 :   ja = json_array ();
      91            0 :   GNUNET_break (NULL != ja);
      92            0 :   qs = TALER_AUDITORDB_iterate_balances (
      93              :     TAH_apg,
      94              :     balance_key,
      95              :     &process_balances,
      96              :     ja);
      97            0 :   if (0 > qs)
      98              :   {
      99            0 :     GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
     100            0 :     json_decref (ja);
     101            0 :     TALER_LOG_WARNING (
     102              :       "Failed to handle GET /balances");
     103            0 :     return TALER_MHD_reply_with_error (connection,
     104              :                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     105              :                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
     106              :                                        "balances");
     107              :   }
     108            0 :   return TAH_reply_json_records (connection,
     109              :                                  ja);
     110              : }