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           66 : 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           66 :   struct PostgresClosure *pg = cls;
      36           66 :   struct GNUNET_PQ_QueryParam params[] = {
      37           66 :     GNUNET_PQ_query_param_string (instance_id),
      38           66 :     GNUNET_PQ_query_param_string (order_id),
      39              :     GNUNET_PQ_query_param_end
      40              :   };
      41           66 :   struct GNUNET_PQ_ResultSpec rs[] = {
      42           66 :     GNUNET_PQ_result_spec_uint64 ("order_serial",
      43              :                                   order_serial),
      44           66 :     GNUNET_PQ_result_spec_timestamp ("creation_time",
      45              :                                      timestamp),
      46              :     GNUNET_PQ_result_spec_end
      47              :   };
      48              : 
      49           66 :   check_connection (pg);
      50           66 :   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           66 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      72              :                                                    "lookup_order_summary",
      73              :                                                    params,
      74              :                                                    rs);
      75              : }