donau

Donation authority for GNU Taler (experimental)
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pg_insert_issued_receipt.c (3007B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2023 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 donaudb/pg_insert_issued_receipt.c
     18  * @brief Implementation of the insert_issued_receipt function for Postgres
     19  * @author Johannes Casaburi
     20  * @author Lukas Matyja
     21  */
     22 #include <donau_config.h>
     23 #include <gnunet/gnunet_pq_lib.h>
     24 #include <taler/taler_error_codes.h>
     25 #include <taler/taler_dbevents.h>
     26 #include <taler/taler_pq_lib.h>
     27 #include "pg_insert_issued_receipt.h"
     28 #include "pg_helper.h"
     29 #include "donau_service.h"
     30 #include "donau_pq_lib.h"
     31 
     32 enum GNUNET_DB_QueryStatus
     33 DH_PG_insert_issued_receipt (
     34   void *cls,
     35   const size_t num_blinded_sig,
     36   const struct DONAU_BlindedDonationUnitSignature signatures[num_blinded_sig],
     37   const uint64_t charity_id,
     38   const struct DONAU_DonationReceiptHashP *h_receipt,
     39   const struct TALER_Amount *amount_receipts_request,
     40   bool *smaller_than_max_per_year)
     41 {
     42   struct PostgresClosure *pc = cls;
     43 
     44   struct GNUNET_PQ_ResultSpec rs[] = {
     45     GNUNET_PQ_result_spec_bool ("smaller_than_max_per_year",
     46                                 smaller_than_max_per_year),
     47     GNUNET_PQ_result_spec_end
     48   };
     49 
     50   struct GNUNET_PQ_QueryParam params[] = {
     51     GNUNET_PQ_query_param_uint64 (&charity_id),
     52     DONAU_PQ_query_param_array_blinded_donation_unit_sig (num_blinded_sig,
     53                                                           signatures,
     54                                                           pc->conn),
     55     GNUNET_PQ_query_param_auto_from_type (&h_receipt->hash),
     56     TALER_PQ_query_param_amount (pc->conn,
     57                                  amount_receipts_request),
     58     GNUNET_PQ_query_param_end
     59   };
     60 
     61   enum GNUNET_DB_QueryStatus qs;
     62 
     63   PREPARE (pc,
     64            "insert_issued_receipts_request",
     65            "SELECT "
     66            " out_smaller_than_max_per_year AS smaller_than_max_per_year"
     67            " FROM do_insert_issued_receipts"
     68            "($1,$2,$3,$4);");
     69 
     70   qs = GNUNET_PQ_eval_prepared_singleton_select (pc->conn,
     71                                                  "insert_issued_receipts_request",
     72                                                  params,
     73                                                  rs);
     74   GNUNET_PQ_cleanup_query_params_closures (params);
     75   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
     76               "Is the new receipts_to_day smaller than the max_per_year (1 = true): %d\n",
     77               (*smaller_than_max_per_year));
     78   return qs;
     79 }