Line data    Source code

       1             : /*
       2             :    This file is part of TALER
       3             :    Copyright (C) 2022, 2024, 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 backenddb/pg_update_product.c
      18             :  * @brief Implementation of the update_product function for Postgres
      19             :  * @author Christian Grothoff
      20             :  * @author Iván Ávalos
      21             :  */
      22             : #include "platform.h"
      23             : #include <taler/taler_error_codes.h>
      24             : #include <taler/taler_dbevents.h>
      25             : #include <taler/taler_pq_lib.h>
      26             : #include "pg_update_product.h"
      27             : #include "pg_helper.h"
      28             : 
      29             : 
      30             : enum GNUNET_DB_QueryStatus
      31           8 : TMH_PG_update_product (void *cls,
      32             :                        const char *instance_id,
      33             :                        const char *product_id,
      34             :                        const struct TALER_MERCHANTDB_ProductDetails *pd,
      35             :                        size_t num_cats,
      36             :                        const uint64_t *cats,
      37             :                        bool *no_instance,
      38             :                        ssize_t *no_cat,
      39             :                        bool *no_product,
      40             :                        bool *lost_reduced,
      41             :                        bool *sold_reduced,
      42             :                        bool *stocked_reduced)
      43             : {
      44           8 :   struct PostgresClosure *pg = cls;
      45           8 :   struct GNUNET_PQ_QueryParam params[] = {
      46           8 :     GNUNET_PQ_query_param_string (instance_id), /* $1 */
      47           8 :     GNUNET_PQ_query_param_string (product_id),
      48           8 :     GNUNET_PQ_query_param_string (pd->description),
      49           8 :     TALER_PQ_query_param_json (pd->description_i18n),
      50           8 :     GNUNET_PQ_query_param_string (pd->unit),
      51           8 :     GNUNET_PQ_query_param_string (pd->image), /* $6 */
      52           8 :     TALER_PQ_query_param_json (pd->taxes),
      53           8 :     TALER_PQ_query_param_amount_with_currency (pg->conn,
      54             :                                                &pd->price), /* $8 */
      55           8 :     GNUNET_PQ_query_param_uint64 (&pd->total_stock),  /* $9 */
      56           8 :     GNUNET_PQ_query_param_uint64 (&pd->total_lost),
      57           8 :     TALER_PQ_query_param_json (pd->address),
      58           8 :     GNUNET_PQ_query_param_timestamp (&pd->next_restock),
      59           8 :     GNUNET_PQ_query_param_uint32 (&pd->minimum_age),
      60           8 :     GNUNET_PQ_query_param_array_uint64 (num_cats,
      61             :                                         cats,
      62             :                                         pg->conn),
      63           8 :     GNUNET_PQ_query_param_string (pd->product_name),
      64             :     GNUNET_PQ_query_param_end
      65             :   };
      66             :   uint64_t ncat;
      67           8 :   bool cats_found = true;
      68           8 :   struct GNUNET_PQ_ResultSpec rs[] = {
      69           8 :     GNUNET_PQ_result_spec_bool ("no_instance",
      70             :                                 no_instance),
      71           8 :     GNUNET_PQ_result_spec_bool ("no_product",
      72             :                                 no_product),
      73           8 :     GNUNET_PQ_result_spec_bool ("lost_reduced",
      74             :                                 lost_reduced),
      75           8 :     GNUNET_PQ_result_spec_bool ("sold_reduced",
      76             :                                 sold_reduced),
      77           8 :     GNUNET_PQ_result_spec_bool ("stocked_reduced",
      78             :                                 stocked_reduced),
      79           8 :     GNUNET_PQ_result_spec_allow_null (
      80             :       GNUNET_PQ_result_spec_uint64 ("no_cat",
      81             :                                     &ncat),
      82             :       &cats_found),
      83             :     GNUNET_PQ_result_spec_end
      84             :   };
      85             :   enum GNUNET_DB_QueryStatus qs;
      86             : 
      87           8 :   if ( (pd->total_stock < pd->total_lost + pd->total_sold) ||
      88           8 :        (pd->total_lost < pd->total_lost
      89           8 :         + pd->total_sold) /* integer overflow */)
      90             :   {
      91           0 :     GNUNET_break (0);
      92           0 :     return GNUNET_DB_STATUS_HARD_ERROR;
      93             :   }
      94           8 :   check_connection (pg);
      95           8 :   PREPARE (pg,
      96             :            "update_product",
      97             :            "SELECT"
      98             :            " out_lost_reduced AS lost_reduced"
      99             :            ",out_sold_reduced AS sold_reduced"
     100             :            ",out_stocked_reduced AS stocked_reduced"
     101             :            ",out_no_product AS no_product"
     102             :            ",out_no_cat AS no_cat"
     103             :            ",out_no_instance AS no_instance"
     104             :            " FROM merchant_do_update_product"
     105             :            "($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15);");
     106           8 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     107             :                                                  "update_product",
     108             :                                                  params,
     109             :                                                  rs);
     110           8 :   GNUNET_PQ_cleanup_query_params_closures (params);
     111           8 :   *no_cat = (cats_found) ? -1 : (ssize_t) ncat;
     112           8 :   return qs;
     113             : }