merchant

Merchant backend to process payments, run by merchants
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lookup_tos_accepted_early.h (2019B)


      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/include/merchant-database/lookup_tos_accepted_early.h
     18  * @brief implementation of the lookup_tos_accepted_early function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #ifndef MERCHANT_DATABASE_LOOKUP_TOS_ACCEPTED_EARLY_H
     22 #define MERCHANT_DATABASE_LOOKUP_TOS_ACCEPTED_EARLY_H
     23 
     24 #include <taler/taler_util.h>
     25 #include <taler/taler_json_lib.h>
     26 #include "merchantdb_lib.h"
     27 
     28 
     29 struct TALER_MERCHANTDB_PostgresContext;
     30 
     31 /**
     32  * Look up the ``Taler-Terms-Version`` of the terms of
     33  * service that the user has accepted early for a given
     34  * exchange (via the ``POST /private/accept-tos-early``
     35  * endpoint).
     36  *
     37  * @param pg database context
     38  * @param merchant_id merchant backend instance ID
     39  * @param exchange_url base URL of the exchange to look up
     40  * @param[out] tos_version set to a newly allocated string with the
     41  *        accepted ``Taler-Terms-Version``; caller must @a GNUNET_free
     42  *        it.  Set to NULL if no acceptance is on record for this
     43  *        @a exchange_url, in which case the query status will be
     44  *        ``GNUNET_DB_STATUS_SUCCESS_NO_RESULTS``.
     45  * @return database result code
     46  */
     47 enum GNUNET_DB_QueryStatus
     48 TALER_MERCHANTDB_lookup_tos_accepted_early (
     49   struct TALER_MERCHANTDB_PostgresContext *pg,
     50   const char *merchant_id,
     51   const char *exchange_url,
     52   char **tos_version);
     53 
     54 #endif