merchant

Merchant backend to process payments, run by merchants
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pg_insert_report.c (3601B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 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_insert_report.c
     18  * @brief Implementation of the insert_report function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "taler/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_insert_report.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TMH_PG_insert_report (
     31   void *cls,
     32   const char *instance_id,
     33   const char *report_program_section,
     34   const char *report_description,
     35   const char *mime_type,
     36   const char *data_source,
     37   const char *target_address,
     38   struct GNUNET_TIME_Relative frequency,
     39   struct GNUNET_TIME_Relative frequency_shift,
     40   uint64_t *report_id)
     41 {
     42   struct PostgresClosure *pg = cls;
     43   struct TALER_MERCHANT_ReportToken report_token;
     44   struct GNUNET_TIME_Timestamp start;
     45   struct GNUNET_PQ_QueryParam params[] = {
     46     GNUNET_PQ_query_param_string (instance_id),
     47     GNUNET_PQ_query_param_string (report_program_section),
     48     GNUNET_PQ_query_param_string (report_description),
     49     GNUNET_PQ_query_param_string (mime_type),
     50     GNUNET_PQ_query_param_auto_from_type (&report_token),
     51     GNUNET_PQ_query_param_string (data_source),
     52     GNUNET_PQ_query_param_string (target_address),
     53     GNUNET_PQ_query_param_relative_time (&frequency),
     54     GNUNET_PQ_query_param_relative_time (&frequency_shift),
     55     GNUNET_PQ_query_param_timestamp (&start),
     56     GNUNET_PQ_query_param_end
     57   };
     58   struct GNUNET_PQ_ResultSpec rs[] = {
     59     GNUNET_PQ_result_spec_uint64 ("report_serial",
     60                                   report_id),
     61     GNUNET_PQ_result_spec_end
     62   };
     63 
     64   GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_NONCE,
     65                               &report_token,
     66                               sizeof (report_token));
     67   start =
     68     GNUNET_TIME_absolute_to_timestamp (
     69       GNUNET_TIME_absolute_add (
     70         GNUNET_TIME_absolute_round_down (GNUNET_TIME_absolute_get (),
     71                                          frequency),
     72         GNUNET_TIME_relative_add (frequency,
     73                                   frequency_shift)));
     74 
     75   check_connection (pg);
     76   PREPARE (pg,
     77            "insert_report",
     78            "INSERT INTO merchant_reports"
     79            "(merchant_serial"
     80            ",report_program_section"
     81            ",report_description"
     82            ",mime_type"
     83            ",report_token"
     84            ",data_source"
     85            ",target_address"
     86            ",frequency"
     87            ",frequency_shift"
     88            ",next_transmission)"
     89            " SELECT merchant_serial, $2, $3, $4, $5,"
     90            "   $6, $7, $8, $9, $10"
     91            " FROM merchant_instances"
     92            " WHERE merchant_id=$1"
     93            " ON CONFLICT DO NOTHING;");
     94 
     95   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     96                                                    "insert_report",
     97                                                    params,
     98                                                    rs);
     99 }