merchant

Merchant backend to process payments, run by merchants
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pg_get_kyc_limits.c (2824B)

      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 backenddb/pg_get_kyc_limits.c
     18  * @brief Implementation of the get_kyc_limits 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_get_kyc_limits.h"
     26 #include "pg_helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 TMH_PG_get_kyc_limits (
     30   void *cls,
     31   struct TALER_FullPayto merchant_account_uri,
     32   const char *instance_id,
     33   const char *exchange_url,
     34   bool *kyc_ok,
     35   bool *no_access_token,
     36   json_t **jlimits)
     37 {
     38   struct PostgresClosure *pg = cls;
     39   struct GNUNET_PQ_QueryParam params[] = {
     40     GNUNET_PQ_query_param_string (merchant_account_uri.full_payto),
     41     GNUNET_PQ_query_param_string (instance_id),
     42     GNUNET_PQ_query_param_string (exchange_url),
     43     GNUNET_PQ_query_param_end
     44   };
     45   struct GNUNET_PQ_ResultSpec rs[] = {
     46     GNUNET_PQ_result_spec_bool ("kyc_ok",
     47                                 kyc_ok),
     48     GNUNET_PQ_result_spec_bool ("no_access_token",
     49                                 no_access_token),
     50     GNUNET_PQ_result_spec_allow_null (
     51       TALER_PQ_result_spec_json ("jaccount_limits",
     52                                  jlimits),
     53       NULL),
     54     GNUNET_PQ_result_spec_end
     55   };
     56 
     57   check_connection (pg);
     58   PREPARE (pg,
     59            "get_kyc_limits",
     60            "SELECT"
     61            " mk.kyc_ok"
     62            ",mk.jaccount_limits::TEXT"
     63            ",mk.access_token IS NULL AS no_access_token"
     64            " FROM merchant_kyc mk"
     65            " WHERE mk.exchange_url=$3"
     66            "   AND mk.account_serial="
     67            "   (SELECT account_serial"
     68            "      FROM merchant_accounts"
     69            "     WHERE payto_uri=$1"
     70            "       AND merchant_serial="
     71            "       (SELECT merchant_serial"
     72            "          FROM merchant_instances"
     73            "         WHERE merchant_id=$2));");
     74   *jlimits = NULL;
     75   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     76                                                    "get_kyc_limits",
     77                                                    params,
     78                                                    rs);
     79 }