merchant

Merchant backend to process payments, run by merchants
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pg_insert_product.c (4016B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022-2025 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_insert_product.c
     18  * @brief Implementation of the insert_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_insert_product.h"
     27 #include "pg_helper.h"
     28 
     29 
     30 enum GNUNET_DB_QueryStatus
     31 TMH_PG_insert_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                        bool *conflict,
     39                        ssize_t *no_cat)
     40 {
     41   struct PostgresClosure *pg = cls;
     42   struct GNUNET_PQ_QueryParam params[] = {
     43     GNUNET_PQ_query_param_string (instance_id),
     44     GNUNET_PQ_query_param_string (product_id),
     45     GNUNET_PQ_query_param_string (pd->description),
     46     TALER_PQ_query_param_json (pd->description_i18n),
     47     GNUNET_PQ_query_param_string (pd->unit),
     48     GNUNET_PQ_query_param_string (pd->image),
     49     TALER_PQ_query_param_json (pd->taxes),
     50     TALER_PQ_query_param_amount_with_currency (pg->conn,
     51                                                &pd->price),
     52     TALER_PQ_query_param_array_amount_with_currency (
     53       pd->price_array_length,
     54       pd->price_array,
     55       pg->conn),
     56     GNUNET_PQ_query_param_uint64 (&pd->total_stock),
     57     GNUNET_PQ_query_param_uint32 (&pd->total_stock_frac),
     58     GNUNET_PQ_query_param_bool (pd->allow_fractional_quantity),
     59     GNUNET_PQ_query_param_uint32 (&pd->fractional_precision_level),
     60     TALER_PQ_query_param_json (pd->address),
     61     GNUNET_PQ_query_param_timestamp (&pd->next_restock),
     62     GNUNET_PQ_query_param_uint32 (&pd->minimum_age),
     63     GNUNET_PQ_query_param_array_uint64 (num_cats,
     64                                         cats,
     65                                         pg->conn),
     66     GNUNET_PQ_query_param_string (pd->product_name),
     67     GNUNET_PQ_query_param_end
     68   };
     69   uint64_t ncat;
     70   bool cats_found = true;
     71   struct GNUNET_PQ_ResultSpec rs[] = {
     72     GNUNET_PQ_result_spec_bool ("conflict",
     73                                 conflict),
     74     GNUNET_PQ_result_spec_bool ("no_instance",
     75                                 no_instance),
     76     GNUNET_PQ_result_spec_allow_null (
     77       GNUNET_PQ_result_spec_uint64 ("no_cat",
     78                                     &ncat),
     79       &cats_found),
     80     GNUNET_PQ_result_spec_end
     81   };
     82   enum GNUNET_DB_QueryStatus qs;
     83 
     84   check_connection (pg);
     85   PREPARE (pg,
     86            "insert_product",
     87            "SELECT"
     88            " out_conflict AS conflict"
     89            ",out_no_instance AS no_instance"
     90            ",out_no_cat AS no_cat"
     91            " FROM merchant_do_insert_product"
     92            "($1, $2, $3, $4::TEXT::JSONB, $5, $6, $7::TEXT::JSONB, $8"
     93            ",$9, $10, $11, $12, $13, $14::TEXT::JSONB, $15, $16, $17, $18);");
     94   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     95                                                  "insert_product",
     96                                                  params,
     97                                                  rs);
     98   GNUNET_PQ_cleanup_query_params_closures (params);
     99   *no_cat = (cats_found) ? -1 : (ssize_t) ncat;
    100   return qs;
    101 }