merchant

Merchant backend to process payments, run by merchants
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pg_update_contract_terms.c (3773B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022 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_update_contract_terms.c
     18  * @brief Implementation of the update_contract_terms function for Postgres
     19  * @author Iván Ávalos
     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_update_contract_terms.h"
     26 #include "pg_helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 TMH_PG_update_contract_terms (void *cls,
     30                               const char *instance_id,
     31                               const char *order_id,
     32                               json_t *contract_terms)
     33 {
     34   struct PostgresClosure *pg = cls;
     35   struct GNUNET_TIME_Timestamp pay_deadline;
     36   struct GNUNET_TIME_Timestamp refund_deadline;
     37   const char *fulfillment_url = NULL;
     38   struct TALER_PrivateContractHashP h_contract_terms;
     39 
     40   if (GNUNET_OK !=
     41       TALER_JSON_contract_hash (contract_terms,
     42                                 &h_contract_terms))
     43   {
     44     GNUNET_break (0);
     45     return GNUNET_DB_STATUS_HARD_ERROR;
     46   }
     47 
     48   {
     49     struct GNUNET_JSON_Specification spec[] = {
     50       GNUNET_JSON_spec_timestamp ("pay_deadline",
     51                                   &pay_deadline),
     52       GNUNET_JSON_spec_timestamp ("refund_deadline",
     53                                   &refund_deadline),
     54       GNUNET_JSON_spec_mark_optional (
     55         GNUNET_JSON_spec_string ("fulfillment_url",
     56                                  &fulfillment_url),
     57         NULL),
     58       GNUNET_JSON_spec_end ()
     59     };
     60     enum GNUNET_GenericReturnValue res;
     61     const char *error_json_name;
     62     unsigned int error_line;
     63 
     64     res = GNUNET_JSON_parse (contract_terms,
     65                              spec,
     66                              &error_json_name,
     67                              &error_line);
     68     if (GNUNET_OK != res)
     69     {
     70       GNUNET_break (0);
     71       return GNUNET_DB_STATUS_HARD_ERROR;
     72     }
     73   }
     74 
     75   check_connection (pg);
     76   {
     77     struct GNUNET_PQ_QueryParam params[] = {
     78       GNUNET_PQ_query_param_string (instance_id),
     79       GNUNET_PQ_query_param_string (order_id),
     80       TALER_PQ_query_param_json (contract_terms),
     81       GNUNET_PQ_query_param_auto_from_type (&h_contract_terms),
     82       GNUNET_PQ_query_param_timestamp (&pay_deadline),
     83       GNUNET_PQ_query_param_timestamp (&refund_deadline),
     84       (NULL == fulfillment_url)
     85       ? GNUNET_PQ_query_param_null ()
     86       : GNUNET_PQ_query_param_string (fulfillment_url),
     87       GNUNET_PQ_query_param_end
     88     };
     89     PREPARE (pg,
     90              "update_contract_terms",
     91              "UPDATE merchant_contract_terms SET"
     92              " contract_terms=$3::TEXT::JSONB"
     93              ",h_contract_terms=$4"
     94              ",pay_deadline=$5"
     95              ",refund_deadline=$6"
     96              ",fulfillment_url=$7"
     97              " WHERE order_id=$2"
     98              "   AND merchant_serial="
     99              "     (SELECT merchant_serial"
    100              "        FROM merchant_instances"
    101              "        WHERE merchant_id=$1)");
    102     return GNUNET_PQ_eval_prepared_non_select (pg->conn,
    103                                                "update_contract_terms",
    104                                                params);
    105   }
    106 }