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_delete_product.c
      18              :  * @brief Implementation of the delete_product 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_delete_product.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29            6 : TMH_PG_delete_product (void *cls,
      30              :                        const char *instance_id,
      31              :                        const char *product_id)
      32              : {
      33            6 :   struct PostgresClosure *pg = cls;
      34            6 :   struct GNUNET_PQ_QueryParam params[] = {
      35            6 :     GNUNET_PQ_query_param_string (instance_id),
      36            6 :     GNUNET_PQ_query_param_string (product_id),
      37              :     GNUNET_PQ_query_param_end
      38              :   };
      39              : 
      40            6 :   check_connection (pg);
      41            6 :   PREPARE (pg,
      42              :            "delete_product",
      43              :            "DELETE"
      44              :            " FROM merchant_inventory"
      45              :            " WHERE merchant_inventory.merchant_serial="
      46              :            "     (SELECT merchant_serial "
      47              :            "        FROM merchant_instances"
      48              :            "        WHERE merchant_id=$1)"
      49              :            "   AND merchant_inventory.product_id=$2"
      50              :            "   AND product_serial NOT IN "
      51              :            "     (SELECT product_serial FROM merchant_order_locks)"
      52              :            "   AND product_serial NOT IN "
      53              :            "     (SELECT product_serial FROM merchant_inventory_locks)");
      54            6 :   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
      55              :                                              "delete_product",
      56              :                                              params);
      57              : }