Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2025 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/get_product_image_by_hash.c
      18              :  * @brief Implementation of the get_product_image_by_hash function for Postgres
      19              :  * @author Bohdan Potuzhnyi
      20              :  */
      21              : #include "merchantdb_lib.h"
      22              : #include "merchant-database/get_product_image_by_hash.h"
      23              : #include "helper.h"
      24              : 
      25              : 
      26              : enum GNUNET_DB_QueryStatus
      27            4 : TALER_MERCHANTDB_get_product_image_by_hash (
      28              :   struct TALER_MERCHANTDB_PostgresContext *pg,
      29              :   const char *instance_id,
      30              :   const char *image_hash,
      31              :   char **image)
      32              : {
      33            4 :   struct GNUNET_PQ_QueryParam params[] = {
      34            4 :     GNUNET_PQ_query_param_string (image_hash),
      35              :     GNUNET_PQ_query_param_end
      36              :   };
      37            4 :   struct GNUNET_PQ_ResultSpec rs[] = {
      38            4 :     GNUNET_PQ_result_spec_string ("image",
      39              :                                   image),
      40              :     GNUNET_PQ_result_spec_end
      41              :   };
      42              : 
      43            4 :   GNUNET_assert (NULL != pg->current_merchant_id);
      44            4 :   GNUNET_assert (0 == strcmp (instance_id,
      45              :                               pg->current_merchant_id));
      46            4 :   TMH_PQ_prepare_anon (
      47              :     pg,
      48              :     "SELECT"
      49              :     "  mi.image"
      50              :     " FROM merchant_inventory mi"
      51              :     " WHERE mi.image_hash=$1");
      52            4 :   *image = NULL;
      53            4 :   return GNUNET_PQ_eval_prepared_singleton_select (
      54              :     pg->conn,
      55              :     "",
      56              :     params,
      57              :     rs);
      58              : }