Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2026 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              :  * @file src/backenddb/iterate_outdated_kyc_statuses.c
      18              :  * @brief Implementation of the iterate_outdated_kyc_statuses function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "platform.h"
      22              : #include <taler/taler_error_codes.h>
      23              : #include <taler/taler_dbevents.h>
      24              : #include <taler/taler_pq_lib.h>
      25              : #include "merchant-database/iterate_outdated_kyc_statuses.h"
      26              : #include "helper.h"
      27              : 
      28              : /**
      29              :  * Closure for kyc_status_cb().
      30              :  */
      31              : struct KycStatusContext
      32              : {
      33              :   /**
      34              :    * Function to call with results.
      35              :    */
      36              :   TALER_MERCHANTDB_KycOutdatedCallback kyc_cb;
      37              : 
      38              :   /**
      39              :    * Closure for @e kyc_cb.
      40              :    */
      41              :   void *kyc_cb_cls;
      42              : 
      43              :   /**
      44              :    * Number of results found.
      45              :    */
      46              :   unsigned int count;
      47              : 
      48              :   /**
      49              :    * Set to true on failure(s).
      50              :    */
      51              :   bool failure;
      52              : };
      53              : 
      54              : 
      55              : /**
      56              :  * Function to be called with the results of a SELECT statement
      57              :  * that has returned @a num_results results about accounts.
      58              :  *
      59              :  * @param[in,out] cls of type `struct KycStatusContext *`
      60              :  * @param result the postgres result
      61              :  * @param num_results the number of results in @a result
      62              :  */
      63              : static void
      64            8 : kyc_status_cb (void *cls,
      65              :                PGresult *result,
      66              :                unsigned int num_results)
      67              : {
      68            8 :   struct KycStatusContext *ksc = cls;
      69              : 
      70            8 :   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
      71              :               "Got %u outdated KYC records\n",
      72              :               num_results);
      73           18 :   for (unsigned int i = 0; i < num_results; i++)
      74              :   {
      75              :     struct TALER_MerchantWireHashP h_wire;
      76              :     char *exchange_url;
      77              :     char *instance_id;
      78           10 :     struct GNUNET_PQ_ResultSpec rs[] = {
      79           10 :       GNUNET_PQ_result_spec_auto_from_type ("out_h_wire",
      80              :                                             &h_wire),
      81           10 :       GNUNET_PQ_result_spec_string ("out_exchange_url",
      82              :                                     &exchange_url),
      83           10 :       GNUNET_PQ_result_spec_string ("out_merchant_id",
      84              :                                     &instance_id),
      85              :       GNUNET_PQ_result_spec_end
      86              :     };
      87              : 
      88           10 :     if (GNUNET_OK !=
      89           10 :         GNUNET_PQ_extract_result (result,
      90              :                                   rs,
      91              :                                   i))
      92              :     {
      93            0 :       GNUNET_break (0);
      94            0 :       ksc->failure = true;
      95            0 :       return;
      96              :     }
      97           10 :     ksc->count++;
      98           10 :     ksc->kyc_cb (ksc->kyc_cb_cls,
      99              :                  instance_id,
     100              :                  exchange_url,
     101              :                  &h_wire);
     102           10 :     GNUNET_PQ_cleanup_result (rs);
     103              :   }
     104              : }
     105              : 
     106              : 
     107              : enum GNUNET_DB_QueryStatus
     108            8 : TALER_MERCHANTDB_iterate_outdated_kyc_statuses (
     109              :   struct TALER_MERCHANTDB_PostgresContext *pg,
     110              :   uint64_t merchant_serial,
     111              :   TALER_MERCHANTDB_KycOutdatedCallback kyc_cb,
     112              :   void *kyc_cb_cls)
     113              : {
     114            8 :   struct KycStatusContext ksc = {
     115              :     .kyc_cb = kyc_cb,
     116              :     .kyc_cb_cls = kyc_cb_cls
     117              :   };
     118              :   struct GNUNET_TIME_Absolute now
     119            8 :     = GNUNET_TIME_absolute_get ();
     120            8 :   struct GNUNET_PQ_QueryParam params[] = {
     121            8 :     GNUNET_PQ_query_param_absolute_time (&now),
     122            8 :     GNUNET_PQ_query_param_uint64 (&merchant_serial),
     123              :     GNUNET_PQ_query_param_end
     124              :   };
     125              :   enum GNUNET_DB_QueryStatus qs;
     126              : 
     127            8 :   PREPARE (pg,
     128              :            "iterate_outdated_kyc_statuses",
     129              :            "SELECT"
     130              :            "  out_merchant_id"
     131              :            " ,out_h_wire"
     132              :            " ,out_exchange_url"
     133              :            " FROM merchant.account_kyc_get_outdated($1, $2)");
     134            8 :   qs = GNUNET_PQ_eval_prepared_multi_select (
     135              :     pg->conn,
     136              :     "iterate_outdated_kyc_statuses",
     137              :     params,
     138              :     &kyc_status_cb,
     139              :     &ksc);
     140            8 :   if (ksc.failure)
     141              :   {
     142            0 :     GNUNET_break (0);
     143            0 :     return GNUNET_DB_STATUS_HARD_ERROR;
     144              :   }
     145            8 :   if (0 > qs)
     146            0 :     return qs;
     147            8 :   return ksc.count;
     148              : }