LCOV - code coverage report
Current view: top level - exchangedb - pg_lookup_kyc_history.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 38 0.0 %
Date: 2025-06-05 21:03:14 Functions: 0 2 0.0 %

          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             :  * @file exchangedb/pg_lookup_kyc_history.c
      18             :  * @brief Implementation of the lookup_kyc_history function for Postgres
      19             :  * @author Christian Grothoff
      20             :  */
      21             : #include "platform.h"
      22             : #include "taler_error_codes.h"
      23             : #include "taler_dbevents.h"
      24             : #include "taler_pq_lib.h"
      25             : #include "pg_lookup_kyc_history.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : /**
      29             :  * Closure for callbacks called from #TEH_PG_lookup_kyc_history()
      30             :  */
      31             : struct KycHistoryContext
      32             : {
      33             : 
      34             :   /**
      35             :    * Function to call on each result.
      36             :    */
      37             :   TALER_EXCHANGEDB_KycHistoryCallback cb;
      38             : 
      39             :   /**
      40             :    * Closure for @e cb.
      41             :    */
      42             :   void *cb_cls;
      43             : 
      44             :   /**
      45             :    * Plugin context.
      46             :    */
      47             :   struct PostgresClosure *pg;
      48             : 
      49             :   /**
      50             :    * Set to 'true' if the transaction failed.
      51             :    */
      52             :   bool failed;
      53             : 
      54             : };
      55             : 
      56             : 
      57             : /**
      58             :  * Function to be called with the results of a SELECT statement
      59             :  * that has returned @a num_results results.
      60             :  *
      61             :  * @param cls closure of type `struct KycHistoryContext`
      62             :  * @param result the postgres result
      63             :  * @param num_results the number of results in @a result
      64             :  */
      65             : static void
      66           0 : handle_kyc_entry (void *cls,
      67             :                   PGresult *result,
      68             :                   unsigned int num_results)
      69             : {
      70           0 :   struct KycHistoryContext *khc = cls;
      71             : 
      72           0 :   for (unsigned int i = 0; i < num_results; i++)
      73             :   {
      74           0 :     char *provider_name = NULL;
      75             :     bool finished;
      76             :     uint32_t error_code;
      77           0 :     char *error_message = NULL;
      78           0 :     char *provider_user_id = NULL;
      79           0 :     char *provider_legitimization_id = NULL;
      80             :     struct GNUNET_TIME_Timestamp collection_time;
      81           0 :     struct GNUNET_TIME_Absolute expiration_time
      82             :       = GNUNET_TIME_UNIT_ZERO_ABS;
      83             :     void *encrypted_attributes;
      84             :     size_t encrypted_attributes_len;
      85             : 
      86           0 :     struct GNUNET_PQ_ResultSpec rs[] = {
      87           0 :       GNUNET_PQ_result_spec_allow_null (
      88             :         GNUNET_PQ_result_spec_string ("provider_name",
      89             :                                       &provider_name),
      90             :         NULL),
      91           0 :       GNUNET_PQ_result_spec_bool ("finished",
      92             :                                   &finished),
      93           0 :       GNUNET_PQ_result_spec_uint32 ("error_code",
      94             :                                     &error_code),
      95           0 :       GNUNET_PQ_result_spec_allow_null (
      96             :         GNUNET_PQ_result_spec_string ("error_message",
      97             :                                       &error_message),
      98             :         NULL),
      99           0 :       GNUNET_PQ_result_spec_allow_null (
     100             :         GNUNET_PQ_result_spec_string ("provider_user_id",
     101             :                                       &provider_user_id),
     102             :         NULL),
     103           0 :       GNUNET_PQ_result_spec_allow_null (
     104             :         GNUNET_PQ_result_spec_string ("provider_legitimization_id",
     105             :                                       &provider_legitimization_id),
     106             :         NULL),
     107           0 :       GNUNET_PQ_result_spec_timestamp ("collection_time",
     108             :                                        &collection_time),
     109           0 :       GNUNET_PQ_result_spec_allow_null (
     110             :         GNUNET_PQ_result_spec_absolute_time ("expiration_time",
     111             :                                              &expiration_time),
     112             :         NULL),
     113           0 :       GNUNET_PQ_result_spec_variable_size ("encrypted_attributes",
     114             :                                            &encrypted_attributes,
     115             :                                            &encrypted_attributes_len),
     116             :       GNUNET_PQ_result_spec_end
     117             :     };
     118             : 
     119           0 :     if (GNUNET_OK !=
     120           0 :         GNUNET_PQ_extract_result (result,
     121             :                                   rs,
     122             :                                   i))
     123             :     {
     124           0 :       GNUNET_break (0);
     125           0 :       khc->failed = true;
     126           0 :       return;
     127             :     }
     128           0 :     khc->cb (khc->cb_cls,
     129             :              provider_name,
     130             :              finished,
     131             :              (enum TALER_ErrorCode) error_code,
     132             :              error_message,
     133             :              provider_user_id,
     134             :              provider_legitimization_id,
     135             :              collection_time,
     136             :              expiration_time,
     137             :              encrypted_attributes_len,
     138             :              encrypted_attributes);
     139           0 :     GNUNET_PQ_cleanup_result (rs);
     140             :   }
     141             : }
     142             : 
     143             : 
     144             : enum GNUNET_DB_QueryStatus
     145           0 : TEH_PG_lookup_kyc_history (
     146             :   void *cls,
     147             :   const struct TALER_NormalizedPaytoHashP *h_payto,
     148             :   TALER_EXCHANGEDB_KycHistoryCallback cb,
     149             :   void *cb_cls)
     150             : {
     151           0 :   struct PostgresClosure *pg = cls;
     152           0 :   struct KycHistoryContext khc = {
     153             :     .pg = pg,
     154             :     .cb = cb,
     155             :     .cb_cls = cb_cls
     156             :   };
     157           0 :   struct GNUNET_PQ_QueryParam params[] = {
     158           0 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
     159             :     GNUNET_PQ_query_param_end
     160             :   };
     161             :   enum GNUNET_DB_QueryStatus qs;
     162             : 
     163           0 :   PREPARE (pg,
     164             :            "lookup_kyc_history",
     165             :            "SELECT"
     166             :            " lp.provider_name"
     167             :            ",lp.finished"
     168             :            ",lp.error_code"
     169             :            ",lp.error_message"
     170             :            ",lp.provider_user_id"
     171             :            ",lp.provider_legitimization_id"
     172             :            ",ka.collection_time"
     173             :            ",ka.expiration_time"
     174             :            ",ka.encrypted_attributes"
     175             :            " FROM kyc_attributes ka"
     176             :            "    JOIN legitimization_processes lp"
     177             :            "      ON (ka.legitimization_serial = lp.legitimization_process_serial_id)"
     178             :            " WHERE ka.h_payto=$1"
     179             :            " ORDER BY ka.collection_time DESC;");
     180             : 
     181           0 :   qs = GNUNET_PQ_eval_prepared_multi_select (
     182             :     pg->conn,
     183             :     "lookup_kyc_history",
     184             :     params,
     185             :     &handle_kyc_entry,
     186             :     &khc);
     187           0 :   if (qs <= 0)
     188           0 :     return qs;
     189           0 :   if (khc.failed)
     190             :   {
     191           0 :     GNUNET_break (0);
     192           0 :     return GNUNET_DB_STATUS_HARD_ERROR;
     193             :   }
     194           0 :   return qs;
     195             : }

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