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              : 
      17              : 
      18              : #include "taler/platform.h"
      19              : #include <gnunet/gnunet_util_lib.h>
      20              : #include <gnunet/gnunet_json_lib.h>
      21              : #include <jansson.h>
      22              : #include <microhttpd.h>
      23              : #include <pthread.h>
      24              : #include "taler/taler_json_lib.h"
      25              : #include "taler/taler_mhd_lib.h"
      26              : #include "taler-auditor-httpd.h"
      27              : #include "taler-auditor-httpd_historic-denomination-revenue-get.h"
      28              : 
      29              : 
      30              : /**
      31              :  * Add historic-denomination-revenue to the list.
      32              :  *
      33              :  * @param[in,out] cls a `json_t *` array to extend
      34              :  * @param serial_id location of the @a dc in the database
      35              :  * @param denom_pub_hash public key hash of the denomination
      36              :  * @param revenue_timestamp when was the revenue effective
      37              :  * @param revenue_balance how much in profit did we make from this denomination
      38              :  * @param loss_balance how much loss did we make from this denomination
      39              :  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
      40              :  */
      41              : static enum GNUNET_GenericReturnValue
      42            0 : process_historic_denomination_revenue (
      43              :   void *cls,
      44              :   uint64_t serial_id,
      45              :   const struct TALER_DenominationHashP *denom_pub_hash,
      46              :   struct GNUNET_TIME_Timestamp revenue_timestamp,
      47              :   const struct TALER_Amount *revenue_balance,
      48              :   const struct TALER_Amount *loss_balance)
      49              : {
      50            0 :   json_t *list = cls;
      51              :   json_t *obj;
      52              : 
      53            0 :   obj = GNUNET_JSON_PACK (
      54              :     GNUNET_JSON_pack_uint64 ("serial_id",
      55              :                              serial_id),
      56              :     GNUNET_JSON_pack_data_auto ("denom_pub_hash",
      57              :                                 denom_pub_hash),
      58              :     TALER_JSON_pack_time_abs_human ("revenue_timestamp",
      59              :                                     revenue_timestamp.abs_time),
      60              :     TALER_JSON_pack_amount ("revenue_balance",
      61              :                             revenue_balance),
      62              :     TALER_JSON_pack_amount ("loss_balance",
      63              :                             loss_balance)
      64              :     );
      65            0 :   GNUNET_break (0 ==
      66              :                 json_array_append_new (list,
      67              :                                        obj));
      68              : 
      69              : 
      70            0 :   return GNUNET_OK;
      71              : }
      72              : 
      73              : 
      74              : MHD_RESULT
      75            0 : TAH_HISTORIC_DENOMINATION_REVENUE_handler_get (
      76              :   struct TAH_RequestHandler *rh,
      77              :   struct MHD_Connection *connection,
      78              :   void **connection_cls,
      79              :   const char *upload_data,
      80              :   size_t *upload_data_size,
      81              :   const char *const args[])
      82              : {
      83              :   json_t *ja;
      84            0 :   int64_t limit = -20;
      85              :   uint64_t offset;
      86              :   enum GNUNET_DB_QueryStatus qs;
      87              : 
      88              :   (void) rh;
      89              :   (void) connection_cls;
      90              :   (void) upload_data;
      91              :   (void) upload_data_size;
      92            0 :   if (GNUNET_SYSERR ==
      93            0 :       TAH_plugin->preflight (TAH_plugin->cls))
      94              :   {
      95            0 :     GNUNET_break (0);
      96            0 :     return TALER_MHD_reply_with_error (
      97              :       connection,
      98              :       MHD_HTTP_INTERNAL_SERVER_ERROR,
      99              :       TALER_EC_GENERIC_DB_SETUP_FAILED,
     100              :       NULL);
     101              :   }
     102            0 :   TALER_MHD_parse_request_snumber (connection,
     103              :                                    "limit",
     104              :                                    &limit);
     105            0 :   if (limit < 0)
     106            0 :     offset = INT64_MAX;
     107              :   else
     108            0 :     offset = 0;
     109            0 :   TALER_MHD_parse_request_number (connection,
     110              :                                   "offset",
     111              :                                   &offset);
     112            0 :   ja = json_array ();
     113            0 :   GNUNET_break (NULL != ja);
     114            0 :   qs = TAH_plugin->select_historic_denom_revenue (
     115            0 :     TAH_plugin->cls,
     116              :     limit,
     117              :     offset,
     118              :     &process_historic_denomination_revenue,
     119              :     ja);
     120            0 :   if (0 > qs)
     121              :   {
     122            0 :     GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
     123            0 :     json_decref (ja);
     124            0 :     TALER_LOG_WARNING (
     125              :       "Failed to handle GET /historic-denomination-revenue");
     126            0 :     return TALER_MHD_reply_with_error (
     127              :       connection,
     128              :       MHD_HTTP_INTERNAL_SERVER_ERROR,
     129              :       TALER_EC_GENERIC_DB_FETCH_FAILED,
     130              :       "select_historic_denom_revenue");
     131              :   }
     132            0 :   return TALER_MHD_REPLY_JSON_PACK (
     133              :     connection,
     134              :     MHD_HTTP_OK,
     135              :     GNUNET_JSON_pack_array_steal (
     136              :       "historic-denomination-revenue",
     137              :       ja));
     138              : }