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 src/backenddb/insert_inventory_lock.c
      18              :  * @brief Implementation of the insert_inventory_lock function for Postgres
      19              :  * @author Iván Ávalos
      20              :  */
      21              : #include "platform.h"
      22              : #include <taler/taler_pq_lib.h>
      23              : #include "merchant-database/insert_inventory_lock.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : enum GNUNET_DB_QueryStatus
      28           22 : TALER_MERCHANTDB_insert_inventory_lock (
      29              :   struct TALER_MERCHANTDB_PostgresContext *pg,
      30              :   const char *instance_id,
      31              :   const char *product_id,
      32              :   const struct GNUNET_Uuid *uuid,
      33              :   uint64_t quantity,
      34              :   uint32_t quantity_frac,
      35              :   struct GNUNET_TIME_Timestamp expiration_time)
      36              : {
      37           22 :   struct GNUNET_PQ_QueryParam params[] = {
      38           22 :     GNUNET_PQ_query_param_string (product_id),
      39           22 :     GNUNET_PQ_query_param_auto_from_type (uuid),
      40           22 :     GNUNET_PQ_query_param_uint64 (&quantity),
      41           22 :     GNUNET_PQ_query_param_uint32 (&quantity_frac),
      42           22 :     GNUNET_PQ_query_param_timestamp (&expiration_time),
      43              :     GNUNET_PQ_query_param_end
      44              :   };
      45           22 :   bool no_product = false;
      46           22 :   bool insufficient_stock = false;
      47           22 :   struct GNUNET_PQ_ResultSpec rs[] = {
      48           22 :     GNUNET_PQ_result_spec_bool ("out_no_product",
      49              :                                 &no_product),
      50           22 :     GNUNET_PQ_result_spec_bool ("out_insufficient_stock",
      51              :                                 &insufficient_stock),
      52              :     GNUNET_PQ_result_spec_end
      53              :   };
      54              :   enum GNUNET_DB_QueryStatus qs;
      55              : 
      56           22 :   GNUNET_assert (NULL != pg->current_merchant_id);
      57           22 :   GNUNET_assert (0 == strcmp (instance_id,
      58              :                               pg->current_merchant_id));
      59           22 :   TMH_PQ_prepare_anon (pg,
      60              :                        "SELECT"
      61              :                        "  out_no_product"
      62              :                        " ,out_insufficient_stock"
      63              :                        "  FROM merchant_do_insert_inventory_lock"
      64              :                        " ($1, $2, $3, $4, $5);");
      65           22 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      66              :                                                  "",
      67              :                                                  params,
      68              :                                                  rs);
      69           22 :   if (qs <= 0)
      70            0 :     return qs;
      71           22 :   if (no_product || insufficient_stock)
      72            6 :     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
      73           16 :   return qs;
      74              : }