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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_get-monitoring-historic-reserve-summary.c (4040B)


      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 <gnunet/gnunet_util_lib.h>
     19 #include <gnunet/gnunet_json_lib.h>
     20 #include <jansson.h>
     21 #include <microhttpd.h>
     22 #include <pthread.h>
     23 #include "taler/taler_json_lib.h"
     24 #include "taler/taler_mhd_lib.h"
     25 #include "taler-auditor-httpd.h"
     26 #include "taler-auditor-httpd_get-monitoring-historic-reserve-summary.h"
     27 #include "auditor-database/preflight.h"
     28 #include "auditor-database/select_historic_reserve_revenue.h"
     29 
     30 /**
     31  * Add historic-reserve-summary 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 start_time beginning of aggregated time interval
     36  * @param end_time end of aggregated time interval
     37  * @param reserve_profits total profits made
     38  *
     39  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
     40 */
     41 static enum GNUNET_GenericReturnValue
     42 process_historic_reserve_summary (
     43   void *cls,
     44   uint64_t serial_id,
     45   struct GNUNET_TIME_Timestamp start_time,
     46   struct GNUNET_TIME_Timestamp end_time,
     47   const struct TALER_Amount *reserve_profits)
     48 {
     49   json_t *list = cls;
     50   json_t *obj;
     51 
     52   obj = GNUNET_JSON_PACK (
     53     GNUNET_JSON_pack_int64 ("row_id",
     54                             serial_id),
     55     TALER_JSON_pack_time_abs_human ("start_date",
     56                                     start_time.abs_time),
     57     TALER_JSON_pack_time_abs_human ("end_date",
     58                                     end_time.abs_time),
     59     TALER_JSON_pack_amount ("reserve_profits",
     60                             reserve_profits)
     61     );
     62   GNUNET_break (0 ==
     63                 json_array_append_new (list,
     64                                        obj));
     65   return GNUNET_OK;
     66 }
     67 
     68 
     69 MHD_RESULT
     70 TAH_get_monitoring_historic_reserve_summary (
     71   struct TAH_RequestHandler *rh,
     72   struct MHD_Connection *connection,
     73   void **connection_cls,
     74   const char *upload_data,
     75   size_t *upload_data_size,
     76   const char *const args[])
     77 {
     78   json_t *ja;
     79   enum GNUNET_DB_QueryStatus qs;
     80   int64_t limit = -20;
     81   uint64_t offset;
     82 
     83   (void) rh;
     84   (void) connection_cls;
     85   (void) upload_data;
     86   (void) upload_data_size;
     87   if (GNUNET_SYSERR ==
     88       TALER_AUDITORDB_preflight (TAH_apg))
     89   {
     90     GNUNET_break (0);
     91     return TALER_MHD_reply_with_error (
     92       connection,
     93       MHD_HTTP_INTERNAL_SERVER_ERROR,
     94       TALER_EC_GENERIC_DB_SETUP_FAILED,
     95       NULL);
     96   }
     97   TALER_MHD_parse_request_snumber (connection,
     98                                    "limit",
     99                                    &limit);
    100   if (limit < 0)
    101     offset = INT64_MAX;
    102   else
    103     offset = 0;
    104   TALER_MHD_parse_request_number (connection,
    105                                   "offset",
    106                                   &offset);
    107   ja = json_array ();
    108   GNUNET_break (NULL != ja);
    109   qs = TALER_AUDITORDB_select_historic_reserve_revenue (
    110     TAH_apg,
    111     limit,
    112     offset,
    113     &process_historic_reserve_summary,
    114     ja);
    115 
    116   if (0 > qs)
    117   {
    118     GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
    119     json_decref (ja);
    120     TALER_LOG_WARNING (
    121       "Failed to handle GET /historic-reserve-summary");
    122     return TALER_MHD_reply_with_error (
    123       connection,
    124       MHD_HTTP_INTERNAL_SERVER_ERROR,
    125       TALER_EC_GENERIC_DB_FETCH_FAILED,
    126       "select_historic_reserve_revenue");
    127   }
    128   return TALER_MHD_REPLY_JSON_PACK (
    129     connection,
    130     MHD_HTTP_OK,
    131     GNUNET_JSON_pack_array_steal (
    132       "historic-reserve-summary",
    133       ja));
    134 }