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              : }