Line data    Source code

       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_lookup_order_summary.c
      18             :  * @brief Implementation of the lookup_order_summary 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_lookup_order_summary.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : enum GNUNET_DB_QueryStatus
      29          65 : TMH_PG_lookup_order_summary (void *cls,
      30             :                              const char *instance_id,
      31             :                              const char *order_id,
      32             :                              struct GNUNET_TIME_Timestamp *timestamp,
      33             :                              uint64_t *order_serial)
      34             : {
      35          65 :   struct PostgresClosure *pg = cls;
      36          65 :   struct GNUNET_PQ_QueryParam params[] = {
      37          65 :     GNUNET_PQ_query_param_string (instance_id),
      38          65 :     GNUNET_PQ_query_param_string (order_id),
      39             :     GNUNET_PQ_query_param_end
      40             :   };
      41          65 :   struct GNUNET_PQ_ResultSpec rs[] = {
      42          65 :     GNUNET_PQ_result_spec_uint64 ("order_serial",
      43             :                                   order_serial),
      44          65 :     GNUNET_PQ_result_spec_timestamp ("creation_time",
      45             :                                      timestamp),
      46             :     GNUNET_PQ_result_spec_end
      47             :   };
      48             : 
      49          65 :   check_connection (pg);
      50          65 :   PREPARE (pg,
      51             :            "lookup_order_summary",
      52             :            "(SELECT"
      53             :            " creation_time"
      54             :            ",order_serial"
      55             :            " FROM merchant_contract_terms"
      56             :            " WHERE merchant_contract_terms.merchant_serial="
      57             :            "     (SELECT merchant_serial "
      58             :            "        FROM merchant_instances"
      59             :            "        WHERE merchant_id=$1)"
      60             :            "   AND merchant_contract_terms.order_id=$2)"
      61             :            "UNION"
      62             :            "(SELECT"
      63             :            " creation_time"
      64             :            ",order_serial"
      65             :            " FROM merchant_orders"
      66             :            " WHERE merchant_orders.merchant_serial="
      67             :            "     (SELECT merchant_serial "
      68             :            "        FROM merchant_instances"
      69             :            "        WHERE merchant_id=$1)"
      70             :            "   AND merchant_orders.order_id=$2)");
      71          65 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      72             :                                                    "lookup_order_summary",
      73             :                                                    params,
      74             :                                                    rs);
      75             : }