lookup_orders.h (3050B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 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/include/merchant-database/lookup_orders.h 18 * @brief implementation of the lookup_orders function for Postgres 19 * @author Iván Ávalos 20 */ 21 #ifndef MERCHANT_DATABASE_LOOKUP_ORDERS_H 22 #define MERCHANT_DATABASE_LOOKUP_ORDERS_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "merchantdb_lib.h" 27 28 29 /** 30 * Filter preferences. 31 */ 32 struct TALER_MERCHANTDB_OrderFilter 33 { 34 /** 35 * Filter orders by this fulfillment URL. 36 */ 37 const char *fulfillment_url; 38 39 /** 40 * Filter orders by this session ID. 41 */ 42 const char *session_id; 43 44 /** 45 * Filter by payment status. 46 */ 47 enum TALER_EXCHANGE_YesNoAll paid; 48 49 /** 50 * Filter by refund status. 51 */ 52 enum TALER_EXCHANGE_YesNoAll refunded; 53 54 /** 55 * Filter by wire transfer status. 56 */ 57 enum TALER_EXCHANGE_YesNoAll wired; 58 59 /** 60 * Filter orders by date, exact meaning depends on @e delta. 61 */ 62 struct GNUNET_TIME_Timestamp date; 63 64 /** 65 * Filter orders by order serial number, exact meaning depends on @e delta. 66 */ 67 uint64_t start_row; 68 69 /** 70 * takes value of the form N (-N), so that at most N values strictly older 71 * (younger) than start and date are returned. 72 */ 73 int64_t delta; 74 75 /** 76 * Timeout for long-polling. 77 */ 78 struct GNUNET_TIME_Relative timeout; 79 80 /** 81 * Filter to apply on the summary of the order. 82 */ 83 const char *summary_filter; 84 85 }; 86 87 88 /** 89 * Typically called by `lookup_orders`. 90 * 91 * @param cls a `json_t *` JSON array to build 92 * @param order_id ID of the order 93 * @param order_serial row of the order in the database 94 * @param timestamp creation time of the order in the database 95 */ 96 typedef void 97 (*TALER_MERCHANTDB_OrdersCallback)( 98 void *cls, 99 const char *order_id, 100 uint64_t order_serial, 101 struct GNUNET_TIME_Timestamp timestamp); 102 103 /** 104 * Retrieve orders given the @a instance_id. 105 * 106 * @param pg database context 107 * @param instance_id instance to obtain order of 108 * @param of filter to apply when looking up orders 109 * @param cb callback to pass all the orders that are found 110 * @param cb_cls closure for @a cb 111 * @return transaction status 112 */ 113 enum GNUNET_DB_QueryStatus 114 TALER_MERCHANTDB_lookup_orders ( 115 struct TALER_MERCHANTDB_PostgresContext *pg, 116 const char *instance_id, 117 const struct TALER_MERCHANTDB_OrderFilter *of, 118 TALER_MERCHANTDB_OrdersCallback cb, 119 void *cb_cls); 120 121 #endif