update_money_pot.c (3714B)
1 /* 2 This file is part of TALER 3 Copyright (C) 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_money_pot.c 18 * @brief Implementation of the update_money_pot function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "platform.h" 22 #include <taler/taler_error_codes.h> 23 #include <taler/taler_dbevents.h> 24 #include <taler/taler_pq_lib.h> 25 #include "merchant-database/update_money_pot.h" 26 #include "helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TALER_MERCHANTDB_update_money_pot (struct TALER_MERCHANTDB_PostgresContext *pg, 31 const char *instance_id, 32 uint64_t money_pot_id, 33 const char *name, 34 const char *description, 35 size_t opt_len, 36 const struct TALER_Amount *old_pot_totals, 37 size_t npt_len, 38 const struct TALER_Amount *new_pot_totals, 39 bool *conflict_total, 40 bool *conflict_name) 41 { 42 struct GNUNET_PQ_QueryParam params[] = { 43 GNUNET_PQ_query_param_string (instance_id), 44 GNUNET_PQ_query_param_uint64 (&money_pot_id), 45 GNUNET_PQ_query_param_string (name), 46 GNUNET_PQ_query_param_string (description), 47 (NULL == old_pot_totals) 48 ? GNUNET_PQ_query_param_null () 49 : TALER_PQ_query_param_array_amount_with_currency (opt_len, 50 old_pot_totals, 51 pg->conn), 52 (NULL == new_pot_totals) 53 ? GNUNET_PQ_query_param_null () 54 : TALER_PQ_query_param_array_amount_with_currency (npt_len, 55 new_pot_totals, 56 pg->conn), 57 GNUNET_PQ_query_param_end 58 }; 59 bool not_found; 60 struct GNUNET_PQ_ResultSpec rs[] = { 61 GNUNET_PQ_result_spec_bool ("conflict_total", 62 conflict_total), 63 GNUNET_PQ_result_spec_bool ("conflict_name", 64 conflict_name), 65 GNUNET_PQ_result_spec_bool ("not_found", 66 ¬_found), 67 GNUNET_PQ_result_spec_end 68 }; 69 enum GNUNET_DB_QueryStatus qs; 70 71 check_connection (pg); 72 PREPARE (pg, 73 "update_money_pot", 74 "SELECT" 75 " out_conflict_name AS conflict_name" 76 ",out_conflict_total AS conflict_total" 77 ",out_not_found AS not_found" 78 " FROM merchant_do_update_money_pot" 79 "($1,$2,$3,$4,$5,$6);"); 80 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 81 "update_money_pot", 82 params, 83 rs); 84 GNUNET_PQ_cleanup_query_params_closures (params); 85 if (qs <= 0) 86 return qs; 87 if (not_found) 88 return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; 89 return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; 90 }