update_product.c (5655B)
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 src/backenddb/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 "merchant-database/update_product.h" 27 #include "helper.h" 28 29 30 enum GNUNET_DB_QueryStatus 31 TALER_MERCHANTDB_update_product (struct TALER_MERCHANTDB_PostgresContext *pg, 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 bool *no_group, 44 bool *no_pot) 45 { 46 struct GNUNET_PQ_QueryParam params[] = { 47 GNUNET_PQ_query_param_string (instance_id), /* $1 */ 48 GNUNET_PQ_query_param_string (product_id), 49 GNUNET_PQ_query_param_string (pd->description), 50 TALER_PQ_query_param_json (pd->description_i18n), /* $4 */ 51 GNUNET_PQ_query_param_string (pd->unit), 52 GNUNET_PQ_query_param_string (pd->image), /* $6 */ 53 TALER_PQ_query_param_json (pd->taxes), /* $7 */ 54 TALER_PQ_query_param_array_amount_with_currency ( 55 pd->price_array_length, 56 pd->price_array, 57 pg->conn), /* $8 */ 58 GNUNET_PQ_query_param_uint64 (&pd->total_stock), /* $9 */ 59 GNUNET_PQ_query_param_uint32 (&pd->total_stock_frac), /* $10 */ 60 GNUNET_PQ_query_param_bool (pd->allow_fractional_quantity), /* $11 */ 61 GNUNET_PQ_query_param_uint32 (&pd->fractional_precision_level), 62 GNUNET_PQ_query_param_uint64 (&pd->total_lost), 63 TALER_PQ_query_param_json (pd->address), /* $14 */ 64 GNUNET_PQ_query_param_timestamp (&pd->next_restock), 65 GNUNET_PQ_query_param_uint32 (&pd->minimum_age), 66 GNUNET_PQ_query_param_array_uint64 (num_cats, 67 cats, 68 pg->conn), /* $17 */ 69 GNUNET_PQ_query_param_string (pd->product_name), /* $18 */ 70 (0 == pd->product_group_id) 71 ? GNUNET_PQ_query_param_null () 72 : GNUNET_PQ_query_param_uint64 (&pd->product_group_id), 73 (0 == pd->money_pot_id) 74 ? GNUNET_PQ_query_param_null () 75 : GNUNET_PQ_query_param_uint64 (&pd->money_pot_id), /* $20 */ 76 GNUNET_PQ_query_param_bool (pd->price_is_net), 77 GNUNET_PQ_query_param_end 78 }; 79 uint64_t ncat; 80 bool cats_found = true; 81 struct GNUNET_PQ_ResultSpec rs[] = { 82 GNUNET_PQ_result_spec_bool ("no_instance", 83 no_instance), 84 GNUNET_PQ_result_spec_bool ("no_product", 85 no_product), 86 GNUNET_PQ_result_spec_bool ("lost_reduced", 87 lost_reduced), 88 GNUNET_PQ_result_spec_bool ("sold_reduced", 89 sold_reduced), 90 GNUNET_PQ_result_spec_bool ("stocked_reduced", 91 stocked_reduced), 92 GNUNET_PQ_result_spec_allow_null ( 93 GNUNET_PQ_result_spec_uint64 ("no_cat", 94 &ncat), 95 &cats_found), 96 GNUNET_PQ_result_spec_bool ("no_group", 97 no_group), 98 GNUNET_PQ_result_spec_bool ("no_pot", 99 no_pot), 100 GNUNET_PQ_result_spec_end 101 }; 102 enum GNUNET_DB_QueryStatus qs; 103 104 if ( (pd->total_stock < pd->total_lost + pd->total_sold) || 105 (pd->total_lost < pd->total_lost 106 + pd->total_sold) /* integer overflow */) 107 { 108 GNUNET_break (0); 109 return GNUNET_DB_STATUS_HARD_ERROR; 110 } 111 check_connection (pg); 112 PREPARE (pg, 113 "update_product", 114 "SELECT" 115 " out_lost_reduced AS lost_reduced" 116 ",out_sold_reduced AS sold_reduced" 117 ",out_stocked_reduced AS stocked_reduced" 118 ",out_no_product AS no_product" 119 ",out_no_cat AS no_cat" 120 ",out_no_instance AS no_instance" 121 ",out_no_group AS no_group" 122 ",out_no_pot AS no_pot" 123 " FROM merchant_do_update_product" 124 "($1,$2,$3,$4::TEXT::JSONB,$5,$6,$7::TEXT::JSONB,$8,$9" 125 ",$10,$11,$12,$13,$14::TEXT::JSONB,$15,$16,$17,$18" 126 ",$19,$20,$21);"); 127 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 128 "update_product", 129 params, 130 rs); 131 GNUNET_PQ_cleanup_query_params_closures (params); 132 *no_cat = (cats_found) ? -1 : (ssize_t) ncat; 133 return qs; 134 }