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_insert_transfer.c
      18             :  * @brief Implementation of the insert_transfer function for Postgres
      19             :  * @author Christian Grothoff
      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_insert_transfer.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : enum GNUNET_DB_QueryStatus
      30          14 : TMH_PG_insert_transfer (
      31             :   void *cls,
      32             :   const char *instance_id,
      33             :   const char *exchange_url,
      34             :   const struct TALER_WireTransferIdentifierRawP *wtid,
      35             :   const struct TALER_Amount *credit_amount,
      36             :   struct TALER_FullPayto payto_uri,
      37             :   uint64_t bank_serial_id)
      38             : {
      39          14 :   struct PostgresClosure *pg = cls;
      40          14 :   struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
      41          14 :   struct GNUNET_PQ_QueryParam params[] = {
      42          14 :     GNUNET_PQ_query_param_string (exchange_url),
      43          14 :     GNUNET_PQ_query_param_auto_from_type (wtid),
      44          14 :     TALER_PQ_query_param_amount_with_currency (pg->conn,
      45             :                                                credit_amount),
      46          14 :     GNUNET_PQ_query_param_string (payto_uri.full_payto),
      47          14 :     GNUNET_PQ_query_param_string (instance_id),
      48          14 :     0 == bank_serial_id
      49          10 :     ? GNUNET_PQ_query_param_null ()
      50          14 :     : GNUNET_PQ_query_param_uint64 (&bank_serial_id),
      51          14 :     GNUNET_PQ_query_param_absolute_time (&now),
      52             :     GNUNET_PQ_query_param_end
      53             :   };
      54             : 
      55          14 :   check_connection (pg);
      56             :   // FIXME-#10176: if transfer with matching exchange_url, wtid and credit_amount
      57             :   // and account_serial exists already AND where bank_serial_id is NULL
      58             :   // and if our bank_serial_id is NOT NULL, then maybe UPDATE instead?
      59             :   // (user may have switched from manual import to automatic import,
      60             :   // and now we may be duplicating all the records, which would be bad).
      61          14 :   PREPARE (pg,
      62             :            "insert_transfer",
      63             :            "INSERT INTO merchant_transfers"
      64             :            "(exchange_url"
      65             :            ",wtid"
      66             :            ",credit_amount"
      67             :            ",account_serial"
      68             :            ",bank_serial_id"
      69             :            ",execution_time)"
      70             :            "SELECT"
      71             :            " $1, $2, $3, account_serial, $6, $7"
      72             :            " FROM merchant_accounts"
      73             :            " WHERE REGEXP_REPLACE(payto_uri,'\\?.*','')"
      74             :            "      =REGEXP_REPLACE($4,'\\?.*','')"
      75             :            "   AND merchant_serial="
      76             :            "        (SELECT merchant_serial"
      77             :            "           FROM merchant_instances"
      78             :            "          WHERE merchant_id=$5)"
      79             :            " ON CONFLICT DO NOTHING;");
      80          14 :   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
      81             :                                              "insert_transfer",
      82             :                                              params);
      83             : }