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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_emergency-by-count-get.c (4584B)


      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_emergency-by-count-get.h"
     26 
     27 /**
     28  * Add emergency-by-count to the list.
     29  *
     30  * @param[in,out] cls a `json_t *` array to extend
     31  * @param dc struct of inconsistencies
     32  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
     33  */
     34 static enum GNUNET_GenericReturnValue
     35 process_emergency_by_count (
     36   void *cls,
     37   const struct TALER_AUDITORDB_EmergenciesByCount *dc)
     38 {
     39   json_t *list = cls;
     40   json_t *obj;
     41 
     42   obj = GNUNET_JSON_PACK (
     43     GNUNET_JSON_pack_uint64 ("row_id",
     44                              dc->row_id),
     45     GNUNET_JSON_pack_data_auto ("denompub_h",
     46                                 &dc->denompub_h),
     47     GNUNET_JSON_pack_int64 ("num_issued",
     48                             dc->num_issued),
     49     GNUNET_JSON_pack_int64 ("num_known",
     50                             dc->num_known),
     51     TALER_JSON_pack_amount ("risk",
     52                             &dc->risk),
     53     TALER_JSON_pack_time_abs_human ("start",
     54                                     dc->start),
     55     TALER_JSON_pack_time_abs_human ("deposit_end",
     56                                     dc->deposit_end),
     57     TALER_JSON_pack_amount ("value",
     58                             &dc->value),
     59     GNUNET_JSON_pack_bool ("suppressed",
     60                            dc->suppressed)
     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_EMERGENCY_BY_COUNT_handler_get (
     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   bool return_suppressed = false;
     83 
     84   (void) rh;
     85   (void) connection_cls;
     86   (void) upload_data;
     87   (void) upload_data_size;
     88   if (GNUNET_SYSERR ==
     89       TAH_plugin->preflight (TAH_plugin->cls))
     90   {
     91     GNUNET_break (0);
     92     return TALER_MHD_reply_with_error (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   {
    108     const char *ret_s
    109       = MHD_lookup_connection_value (connection,
    110                                      MHD_GET_ARGUMENT_KIND,
    111                                      "return_suppressed");
    112     if (ret_s != NULL && strcmp (ret_s, "true") == 0)
    113     {
    114       return_suppressed = true;
    115     }
    116   }
    117 
    118   ja = json_array ();
    119   GNUNET_break (NULL != ja);
    120   qs = TAH_plugin->get_emergency_by_count (
    121     TAH_plugin->cls,
    122     limit,
    123     offset,
    124     return_suppressed,
    125     &process_emergency_by_count,
    126     ja);
    127   if (0 > qs)
    128   {
    129     GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
    130     json_decref (ja);
    131     TALER_LOG_WARNING (
    132       "Failed to handle GET /emergency-by-count\n");
    133     return TALER_MHD_reply_with_error (connection,
    134                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
    135                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
    136                                        "emergency-by-count");
    137   }
    138   return TALER_MHD_REPLY_JSON_PACK (
    139     connection,
    140     MHD_HTTP_OK,
    141     GNUNET_JSON_pack_array_steal ("emergency_by_count",
    142                                   ja));
    143 }