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/auditordb/iterate_aml_staff.c
      18              :  * @brief Implementation of the iterate_aml_staff function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_error_codes.h"
      22              : #include "taler/taler_pq_lib.h"
      23              : #include "pg_helper.h"
      24              : #include "auditor-database/iterate_aml_staff.h"
      25              : 
      26              : 
      27              : /**
      28              :  * Closure for #aml_staff_cb().
      29              :  */
      30              : struct AmlStaffContext
      31              : {
      32              :   /**
      33              :    * Function to call for each status change.
      34              :    */
      35              :   TALER_AUDITORDB_AmlStaffCallback cb;
      36              : 
      37              :   /**
      38              :    * Closure for @e cb.
      39              :    */
      40              :   void *cb_cls;
      41              : 
      42              :   /**
      43              :    * Query status to return.
      44              :    */
      45              :   enum GNUNET_DB_QueryStatus qs;
      46              : };
      47              : 
      48              : 
      49              : /**
      50              :  * Helper function for #TALER_AUDITORDB_iterate_aml_staff().
      51              :  * To be called with the results of a SELECT statement
      52              :  * that has returned @a num_results results.
      53              :  *
      54              :  * @param cls closure of type `struct AmlStaffContext *`
      55              :  * @param result the postgres result
      56              :  * @param num_results the number of results in @a result
      57              :  */
      58              : static void
      59            0 : aml_staff_cb (void *cls,
      60              :               PGresult *result,
      61              :               unsigned int num_results)
      62              : {
      63            0 :   struct AmlStaffContext *asc = cls;
      64              : 
      65            0 :   for (unsigned int i = 0; i < num_results; i++)
      66              :   {
      67              :     struct TALER_AmlOfficerPublicKeyP decider_pub;
      68            0 :     char *decider_name = NULL;
      69              :     bool is_active;
      70              :     bool read_only;
      71              :     bool master_sig_valid;
      72              :     struct GNUNET_TIME_Timestamp last_change;
      73            0 :     struct GNUNET_PQ_ResultSpec rs[] = {
      74            0 :       GNUNET_PQ_result_spec_auto_from_type ("decider_pub",
      75              :                                             &decider_pub),
      76            0 :       GNUNET_PQ_result_spec_string ("decider_name",
      77              :                                     &decider_name),
      78            0 :       GNUNET_PQ_result_spec_bool ("is_active",
      79              :                                   &is_active),
      80            0 :       GNUNET_PQ_result_spec_bool ("read_only",
      81              :                                   &read_only),
      82            0 :       GNUNET_PQ_result_spec_bool ("master_sig_valid",
      83              :                                   &master_sig_valid),
      84            0 :       GNUNET_PQ_result_spec_timestamp ("last_change",
      85              :                                        &last_change),
      86              :       GNUNET_PQ_result_spec_end
      87              :     };
      88              :     enum GNUNET_GenericReturnValue rval;
      89              : 
      90            0 :     if (GNUNET_OK !=
      91            0 :         GNUNET_PQ_extract_result (result,
      92              :                                   rs,
      93              :                                   i))
      94              :     {
      95            0 :       GNUNET_break (0);
      96            0 :       asc->qs = GNUNET_DB_STATUS_HARD_ERROR;
      97            0 :       return;
      98              :     }
      99            0 :     asc->qs = i + 1;
     100            0 :     rval = asc->cb (asc->cb_cls,
     101              :                     &decider_pub,
     102              :                     decider_name,
     103              :                     is_active,
     104              :                     read_only,
     105              :                     master_sig_valid,
     106              :                     last_change);
     107            0 :     GNUNET_PQ_cleanup_result (rs);
     108            0 :     if (GNUNET_OK != rval)
     109            0 :       break;
     110              :   }
     111              : }
     112              : 
     113              : 
     114              : enum GNUNET_DB_QueryStatus
     115            0 : TALER_AUDITORDB_iterate_aml_staff (
     116              :   struct TALER_AUDITORDB_PostgresContext *pg,
     117              :   TALER_AUDITORDB_AmlStaffCallback cb,
     118              :   TALER_AUDITORDB_AML_STAFF_RESULT_CLOSURE *cb_cls)
     119              : {
     120            0 :   struct GNUNET_PQ_QueryParam params[] = {
     121              :     GNUNET_PQ_query_param_end
     122              :   };
     123            0 :   struct AmlStaffContext asc = {
     124              :     .cb = cb,
     125              :     .cb_cls = cb_cls
     126              :   };
     127              :   enum GNUNET_DB_QueryStatus qs;
     128              : 
     129            0 :   PREPARE (pg,
     130              :            "iterate_aml_staff",
     131              :            "SELECT"
     132              :            " decider_pub"
     133              :            ",decider_name"
     134              :            ",is_active"
     135              :            ",read_only"
     136              :            ",master_sig_valid"
     137              :            ",last_change"
     138              :            " FROM auditor_aml_staff"
     139              :            " ORDER BY last_change ASC, row_id ASC;");
     140            0 :   qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
     141              :                                              "iterate_aml_staff",
     142              :                                              params,
     143              :                                              &aml_staff_cb,
     144              :                                              &asc);
     145            0 :   if (qs > 0)
     146            0 :     return asc.qs;
     147            0 :   GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
     148            0 :   return qs;
     149              : }