merchant

Merchant backend to process payments, run by merchants
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insert_contract_terms.c (4827B)


      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_error_codes.h>
     23 #include <taler/taler_dbevents.h>
     24 #include <taler/taler_pq_lib.h>
     25 #include "merchant-database/insert_contract_terms.h"
     26 #include "helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 TALER_MERCHANTDB_insert_contract_terms (struct TALER_MERCHANTDB_PostgresContext *pg,
     30                                         const char *instance_id,
     31                                         const char *order_id,
     32                                         json_t *contract_terms,
     33                                         uint64_t *order_serial)
     34 {
     35   struct GNUNET_TIME_Timestamp pay_deadline;
     36   struct GNUNET_TIME_Timestamp refund_deadline;
     37   const char *fulfillment_url;
     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_end ()
     55     };
     56     enum GNUNET_GenericReturnValue res;
     57     const char *error_json_name;
     58     unsigned int error_line;
     59 
     60     res = GNUNET_JSON_parse (contract_terms,
     61                              spec,
     62                              &error_json_name,
     63                              &error_line);
     64     if (GNUNET_OK != res)
     65     {
     66       GNUNET_break (0);
     67       return GNUNET_DB_STATUS_HARD_ERROR;
     68     }
     69   }
     70 
     71   fulfillment_url =
     72     json_string_value (json_object_get (contract_terms,
     73                                         "fulfillment_url"));
     74   check_connection (pg);
     75   {
     76     struct GNUNET_PQ_QueryParam params[] = {
     77       GNUNET_PQ_query_param_string (instance_id),
     78       GNUNET_PQ_query_param_string (order_id),
     79       TALER_PQ_query_param_json (contract_terms),
     80       GNUNET_PQ_query_param_auto_from_type (&h_contract_terms),
     81       GNUNET_PQ_query_param_timestamp (&pay_deadline),
     82       GNUNET_PQ_query_param_timestamp (&refund_deadline),
     83       (NULL == fulfillment_url)
     84       ? GNUNET_PQ_query_param_null ()
     85       : GNUNET_PQ_query_param_string (fulfillment_url),
     86       GNUNET_PQ_query_param_end
     87     };
     88     struct GNUNET_PQ_ResultSpec rs[] = {
     89       GNUNET_PQ_result_spec_uint64 ("order_serial",
     90                                     order_serial),
     91       GNUNET_PQ_result_spec_end
     92     };
     93     PREPARE (pg,
     94              "insert_contract_terms",
     95              "INSERT INTO merchant_contract_terms"
     96              "(order_serial"
     97              ",merchant_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.merchant_serial"
    111              ",mo.order_id"
    112              ",$3::TEXT::JSONB"  /* contract_terms */
    113              ",$4"  /* h_contract_terms */
    114              ",mo.creation_time"
    115              ",$5" /* pay_deadline */
    116              ",$6" /* refund_deadline */
    117              ",$7" /* fulfillment_url */
    118              ",mo.claim_token"
    119              ",mo.pos_key"
    120              ",mo.pos_algorithm"
    121              " FROM merchant_orders mo"
    122              " WHERE order_id=$2"
    123              "   AND merchant_serial="
    124              "     (SELECT merchant_serial"
    125              "        FROM merchant_instances"
    126              "        WHERE merchant_id=$1)"
    127              " RETURNING order_serial");
    128     return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
    129                                                      "insert_contract_terms",
    130                                                      params,
    131                                                      rs);
    132   }
    133 }