merchant

Merchant backend to process payments, run by merchants
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pg_insert_product.c (4643B)


      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 "taler/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                        bool *no_group,
     41                        bool *no_pot)
     42 {
     43   struct PostgresClosure *pg = cls;
     44   struct GNUNET_PQ_QueryParam params[] = {
     45     GNUNET_PQ_query_param_string (instance_id),
     46     GNUNET_PQ_query_param_string (product_id),
     47     GNUNET_PQ_query_param_string (pd->description),
     48     TALER_PQ_query_param_json (pd->description_i18n), /* $4 */
     49     GNUNET_PQ_query_param_string (pd->unit),
     50     GNUNET_PQ_query_param_string (pd->image),
     51     TALER_PQ_query_param_json (pd->taxes), /* $7 */
     52     TALER_PQ_query_param_array_amount_with_currency (
     53       pd->price_array_length,
     54       pd->price_array,
     55       pg->conn), /* $8 */
     56     GNUNET_PQ_query_param_uint64 (&pd->total_stock), /* $9 */
     57     GNUNET_PQ_query_param_uint32 (&pd->total_stock_frac), /* $10 */
     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), /* $13 */
     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), /* $16 */
     66     GNUNET_PQ_query_param_string (pd->product_name),
     67     (0 == pd->product_group_id)
     68     ? GNUNET_PQ_query_param_null ()
     69     : GNUNET_PQ_query_param_uint64 (&pd->product_group_id), /* $18 */
     70     (0 == pd->money_pot_id)
     71     ? GNUNET_PQ_query_param_null ()
     72     : GNUNET_PQ_query_param_uint64 (&pd->money_pot_id), /* $19 */
     73     GNUNET_PQ_query_param_bool (pd->price_is_net), /* $20 */
     74     GNUNET_PQ_query_param_end
     75   };
     76   uint64_t ncat;
     77   bool cats_found = true;
     78   struct GNUNET_PQ_ResultSpec rs[] = {
     79     GNUNET_PQ_result_spec_bool ("conflict",
     80                                 conflict),
     81     GNUNET_PQ_result_spec_bool ("no_instance",
     82                                 no_instance),
     83     GNUNET_PQ_result_spec_allow_null (
     84       GNUNET_PQ_result_spec_uint64 ("no_cat",
     85                                     &ncat),
     86       &cats_found),
     87     GNUNET_PQ_result_spec_bool ("no_group",
     88                                 no_group),
     89     GNUNET_PQ_result_spec_bool ("no_pot",
     90                                 no_pot),
     91     GNUNET_PQ_result_spec_end
     92   };
     93   enum GNUNET_DB_QueryStatus qs;
     94 
     95   check_connection (pg);
     96   PREPARE (pg,
     97            "insert_product",
     98            "SELECT"
     99            " out_conflict AS conflict"
    100            ",out_no_instance AS no_instance"
    101            ",out_no_cat AS no_cat"
    102            ",out_no_group AS no_group"
    103            ",out_no_pot AS no_pot"
    104            " FROM merchant_do_insert_product"
    105            "($1, $2, $3, $4::TEXT::JSONB, $5, $6, $7::TEXT::JSONB, $8"
    106            ",$9, $10, $11, $12, $13::TEXT::JSONB, $14, $15, $16"
    107            ",$17, $18, $19, $20);");
    108   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
    109                                                  "insert_product",
    110                                                  params,
    111                                                  rs);
    112   GNUNET_PQ_cleanup_query_params_closures (params);
    113   *no_cat = (cats_found) ? -1 : (ssize_t) ncat;
    114   return qs;
    115 }