Line data    Source code

       1             : /*
       2             :    This file is part of TALER
       3             :    Copyright (C) 2023, 2024, 2025 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 backenddb/pg_lookup_token_family.c
      18             :  * @brief Implementation of the lookup_token_family 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 "pg_lookup_token_family.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : enum GNUNET_DB_QueryStatus
      30           0 : TMH_PG_lookup_token_family (
      31             :   void *cls,
      32             :   const char *instance_id,
      33             :   const char *token_family_slug,
      34             :   struct TALER_MERCHANTDB_TokenFamilyDetails *details)
      35             : {
      36           0 :   struct PostgresClosure *pg = cls;
      37           0 :   struct GNUNET_PQ_QueryParam params[] = {
      38           0 :     GNUNET_PQ_query_param_string (instance_id),
      39           0 :     GNUNET_PQ_query_param_string (token_family_slug),
      40             :     GNUNET_PQ_query_param_end
      41             :   };
      42             : 
      43           0 :   if (NULL == details)
      44             :   {
      45           0 :     struct GNUNET_PQ_ResultSpec rs_null[] = {
      46             :       GNUNET_PQ_result_spec_end
      47             :     };
      48             : 
      49           0 :     check_connection (pg);
      50           0 :     return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      51             :                                                      "lookup_token_family",
      52             :                                                      params,
      53             :                                                      rs_null);
      54             :   }
      55             :   else
      56             :   {
      57             :     char *kind;
      58           0 :     struct GNUNET_PQ_ResultSpec rs[] = {
      59           0 :       GNUNET_PQ_result_spec_string ("slug",
      60             :                                     &details->slug),
      61           0 :       GNUNET_PQ_result_spec_string ("name",
      62             :                                     &details->name),
      63           0 :       GNUNET_PQ_result_spec_string ("cipher_choice",
      64             :                                     &details->cipher_spec),
      65           0 :       GNUNET_PQ_result_spec_string ("description",
      66             :                                     &details->description),
      67           0 :       TALER_PQ_result_spec_json ("description_i18n",
      68             :                                  &details->description_i18n),
      69           0 :       GNUNET_PQ_result_spec_allow_null (
      70             :         TALER_PQ_result_spec_json ("extra_data",
      71             :                                    &details->extra_data),
      72             :         NULL),
      73           0 :       GNUNET_PQ_result_spec_timestamp ("valid_after",
      74             :                                        &details->valid_after),
      75           0 :       GNUNET_PQ_result_spec_timestamp ("valid_before",
      76             :                                        &details->valid_before),
      77           0 :       GNUNET_PQ_result_spec_relative_time ("duration",
      78             :                                            &details->duration),
      79           0 :       GNUNET_PQ_result_spec_relative_time ("validity_granularity",
      80             :                                            &details->validity_granularity),
      81           0 :       GNUNET_PQ_result_spec_relative_time ("start_offset",
      82             :                                            &details->start_offset),
      83           0 :       GNUNET_PQ_result_spec_string ("kind",
      84             :                                     &kind),
      85           0 :       GNUNET_PQ_result_spec_uint64 ("issued",
      86             :                                     &details->issued),
      87           0 :       GNUNET_PQ_result_spec_uint64 ("used",
      88             :                                     &details->used),
      89             :       GNUNET_PQ_result_spec_end
      90             :     };
      91             :     enum GNUNET_DB_QueryStatus qs;
      92             : 
      93           0 :     check_connection (pg);
      94           0 :     PREPARE (pg,
      95             :              "lookup_token_family",
      96             :              "SELECT"
      97             :              " slug"
      98             :              ",name"
      99             :              ",cipher_choice"
     100             :              ",description"
     101             :              ",description_i18n"
     102             :              ",extra_data"
     103             :              ",valid_after"
     104             :              ",valid_before"
     105             :              ",duration"
     106             :              ",validity_granularity"
     107             :              ",start_offset"
     108             :              ",kind"
     109             :              ",issued"
     110             :              ",used"
     111             :              " FROM merchant_token_families"
     112             :              " JOIN merchant_instances"
     113             :              "   USING (merchant_serial)"
     114             :              " WHERE merchant_instances.merchant_id=$1"
     115             :              "   AND merchant_token_families.slug=$2");
     116           0 :     memset (details,
     117             :             0,
     118             :             sizeof (*details));
     119           0 :     qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     120             :                                                    "lookup_token_family",
     121             :                                                    params,
     122             :                                                    rs);
     123           0 :     if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
     124             :     {
     125           0 :       if (0 == strcmp (kind, "discount"))
     126           0 :         details->kind = TALER_MERCHANTDB_TFK_Discount;
     127           0 :       else if (0 == strcmp (kind, "subscription"))
     128           0 :         details->kind = TALER_MERCHANTDB_TFK_Subscription;
     129             :       else
     130             :       {
     131           0 :         GNUNET_break (0);
     132           0 :         return GNUNET_DB_STATUS_HARD_ERROR;
     133             :       }
     134             :     }
     135           0 :     return qs;
     136             :   }
     137             : }