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           18 : 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           18 :   struct PostgresClosure *pg = cls;
      45           18 :   struct GNUNET_PQ_QueryParam params[] = {
      46           18 :     GNUNET_PQ_query_param_string (instance_id), /* $1 */
      47           18 :     GNUNET_PQ_query_param_string (product_id),
      48           18 :     GNUNET_PQ_query_param_string (pd->description),
      49           18 :     TALER_PQ_query_param_json (pd->description_i18n),
      50           18 :     GNUNET_PQ_query_param_string (pd->unit),
      51           18 :     GNUNET_PQ_query_param_string (pd->image), /* $6 */
      52           18 :     TALER_PQ_query_param_json (pd->taxes),
      53           18 :     TALER_PQ_query_param_amount_with_currency (pg->conn,
      54              :                                                &pd->price), /* $8 */
      55           18 :     TALER_PQ_query_param_array_amount_with_currency (
      56           18 :       pd->price_array_length,
      57           18 :       pd->price_array,
      58              :       pg->conn), /* $9 */
      59           18 :     GNUNET_PQ_query_param_uint64 (&pd->total_stock),  /* $10 */
      60           18 :     GNUNET_PQ_query_param_uint32 (&pd->total_stock_frac), /* $11 */
      61           18 :     GNUNET_PQ_query_param_bool (pd->allow_fractional_quantity), /* $12 */
      62           18 :     GNUNET_PQ_query_param_uint32 (&pd->fractional_precision_level),
      63           18 :     GNUNET_PQ_query_param_uint64 (&pd->total_lost),
      64           18 :     TALER_PQ_query_param_json (pd->address),
      65           18 :     GNUNET_PQ_query_param_timestamp (&pd->next_restock),
      66           18 :     GNUNET_PQ_query_param_uint32 (&pd->minimum_age),
      67           18 :     GNUNET_PQ_query_param_array_uint64 (num_cats,
      68              :                                         cats,
      69              :                                         pg->conn),
      70           18 :     GNUNET_PQ_query_param_string (pd->product_name),
      71              :     GNUNET_PQ_query_param_end
      72              :   };
      73              :   uint64_t ncat;
      74           18 :   bool cats_found = true;
      75           18 :   struct GNUNET_PQ_ResultSpec rs[] = {
      76           18 :     GNUNET_PQ_result_spec_bool ("no_instance",
      77              :                                 no_instance),
      78           18 :     GNUNET_PQ_result_spec_bool ("no_product",
      79              :                                 no_product),
      80           18 :     GNUNET_PQ_result_spec_bool ("lost_reduced",
      81              :                                 lost_reduced),
      82           18 :     GNUNET_PQ_result_spec_bool ("sold_reduced",
      83              :                                 sold_reduced),
      84           18 :     GNUNET_PQ_result_spec_bool ("stocked_reduced",
      85              :                                 stocked_reduced),
      86           18 :     GNUNET_PQ_result_spec_allow_null (
      87              :       GNUNET_PQ_result_spec_uint64 ("no_cat",
      88              :                                     &ncat),
      89              :       &cats_found),
      90              :     GNUNET_PQ_result_spec_end
      91              :   };
      92              :   enum GNUNET_DB_QueryStatus qs;
      93              : 
      94           18 :   if ( (pd->total_stock < pd->total_lost + pd->total_sold) ||
      95           18 :        (pd->total_lost < pd->total_lost
      96           18 :         + pd->total_sold) /* integer overflow */)
      97              :   {
      98            0 :     GNUNET_break (0);
      99            0 :     return GNUNET_DB_STATUS_HARD_ERROR;
     100              :   }
     101           18 :   check_connection (pg);
     102           18 :   PREPARE (pg,
     103              :            "update_product",
     104              :            "SELECT"
     105              :            " out_lost_reduced AS lost_reduced"
     106              :            ",out_sold_reduced AS sold_reduced"
     107              :            ",out_stocked_reduced AS stocked_reduced"
     108              :            ",out_no_product AS no_product"
     109              :            ",out_no_cat AS no_cat"
     110              :            ",out_no_instance AS no_instance"
     111              :            " FROM merchant_do_update_product"
     112              :            "($1,$2,$3,$4::TEXT::JSONB,$5,$6,$7::TEXT::JSONB,$8,$9"
     113              :            ",$10,$11,$12,$13,$14,$15::TEXT::JSONB,$16,$17,$18,$19);");
     114           18 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     115              :                                                  "update_product",
     116              :                                                  params,
     117              :                                                  rs);
     118           18 :   GNUNET_PQ_cleanup_query_params_closures (params);
     119           18 :   *no_cat = (cats_found) ? -1 : (ssize_t) ncat;
     120           18 :   return qs;
     121              : }