merchant

Merchant backend to process payments, run by merchants
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insert_contract_terms.c (4742B)


      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 src/backenddb/insert_contract_terms.c
     18  * @brief Implementation of the insert_contract_terms function for Postgres
     19  * @author Iván Ávalos
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_pq_lib.h>
     23 #include "merchant-database/insert_contract_terms.h"
     24 #include "helper.h"
     25 
     26 enum GNUNET_DB_QueryStatus
     27 TALER_MERCHANTDB_insert_contract_terms (
     28   struct TALER_MERCHANTDB_PostgresContext *pg,
     29   const char *instance_id,
     30   const char *order_id,
     31   json_t *contract_terms,
     32   uint64_t *order_serial)
     33 {
     34   struct GNUNET_TIME_Timestamp pay_deadline;
     35   struct GNUNET_TIME_Timestamp refund_deadline;
     36   const char *fulfillment_url;
     37   struct TALER_PrivateContractHashP h_contract_terms;
     38 
     39   if (GNUNET_OK !=
     40       TALER_JSON_contract_hash (contract_terms,
     41                                 &h_contract_terms))
     42   {
     43     GNUNET_break (0);
     44     return GNUNET_DB_STATUS_HARD_ERROR;
     45   }
     46 
     47   {
     48     struct GNUNET_JSON_Specification spec[] = {
     49       GNUNET_JSON_spec_timestamp ("pay_deadline",
     50                                   &pay_deadline),
     51       GNUNET_JSON_spec_timestamp ("refund_deadline",
     52                                   &refund_deadline),
     53       GNUNET_JSON_spec_end ()
     54     };
     55     enum GNUNET_GenericReturnValue res;
     56     const char *error_json_name;
     57     unsigned int error_line;
     58 
     59     res = GNUNET_JSON_parse (contract_terms,
     60                              spec,
     61                              &error_json_name,
     62                              &error_line);
     63     if (GNUNET_OK != res)
     64     {
     65       GNUNET_break (0);
     66       return GNUNET_DB_STATUS_HARD_ERROR;
     67     }
     68   }
     69 
     70   fulfillment_url =
     71     json_string_value (json_object_get (contract_terms,
     72                                         "fulfillment_url"));
     73   GNUNET_assert (NULL != pg->current_merchant_id);
     74   GNUNET_assert (0 == strcmp (instance_id,
     75                               pg->current_merchant_id));
     76   check_connection (pg);
     77   {
     78     struct GNUNET_PQ_QueryParam params[] = {
     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     struct GNUNET_PQ_ResultSpec rs[] = {
     90       GNUNET_PQ_result_spec_uint64 ("order_serial",
     91                                     order_serial),
     92       GNUNET_PQ_result_spec_end
     93     };
     94 
     95     TMH_PQ_prepare_anon (pg,
     96                          "INSERT INTO merchant_contract_terms"
     97                          "(order_serial"
     98                          ",order_id"
     99                          ",contract_terms"
    100                          ",h_contract_terms"
    101                          ",creation_time"
    102                          ",pay_deadline"
    103                          ",refund_deadline"
    104                          ",fulfillment_url"
    105                          ",claim_token"
    106                          ",pos_key"
    107                          ",pos_algorithm)"
    108                          "SELECT"
    109                          " mo.order_serial"
    110                          ",mo.order_id"
    111                          ",$2::TEXT::JSONB" /* contract_terms */
    112                          ",$3" /* h_contract_terms */
    113                          ",mo.creation_time"
    114                          ",$4" /* pay_deadline */
    115                          ",$5" /* refund_deadline */
    116                          ",$6" /* fulfillment_url */
    117                          ",mo.claim_token"
    118                          ",mo.pos_key"
    119                          ",mo.pos_algorithm"
    120                          " FROM merchant_orders mo"
    121                          " WHERE order_id=$1"
    122                          " RETURNING order_serial");
    123     return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
    124                                                      "",
    125                                                      params,
    126                                                      rs);
    127   }
    128 }