Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2024 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 :
18 : #include "platform.h"
19 : #include <gnunet/gnunet_util_lib.h>
20 : #include <gnunet/gnunet_json_lib.h>
21 : #include <jansson.h>
22 : #include <microhttpd.h>
23 : #include <pthread.h>
24 : #include "taler_json_lib.h"
25 : #include "taler_mhd_lib.h"
26 : #include "taler-auditor-httpd.h"
27 : #include "taler-auditor-httpd_historic-denomination-revenue-get.h"
28 :
29 :
30 : /**
31 : * Add historic-denomination-revenue to the list.
32 : *
33 : * @param[in,out] cls a `json_t *` array to extend
34 : * @param serial_id location of the @a dc in the database
35 : * @param denom_pub_hash public key hash of the denomination
36 : * @param revenue_timestamp when was the revenue effective
37 : * @param revenue_balance how much in profit did we make from this denomination
38 : * @param loss_balance how much loss did we make from this denomination
39 : * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
40 : */
41 : static enum GNUNET_GenericReturnValue
42 0 : process_historic_denomination_revenue (
43 : void *cls,
44 : uint64_t serial_id,
45 : const struct TALER_DenominationHashP *denom_pub_hash,
46 : struct GNUNET_TIME_Timestamp revenue_timestamp,
47 : const struct TALER_Amount *revenue_balance,
48 : const struct TALER_Amount *loss_balance)
49 : {
50 0 : json_t *list = cls;
51 : json_t *obj;
52 :
53 0 : obj = GNUNET_JSON_PACK (
54 : GNUNET_JSON_pack_uint64 ("serial_id",
55 : serial_id),
56 : GNUNET_JSON_pack_data_auto ("denom_pub_hash",
57 : denom_pub_hash),
58 : TALER_JSON_pack_time_abs_human ("revenue_timestamp",
59 : revenue_timestamp.abs_time),
60 : TALER_JSON_pack_amount ("revenue_balance",
61 : revenue_balance),
62 : TALER_JSON_pack_amount ("loss_balance",
63 : loss_balance)
64 : );
65 0 : GNUNET_break (0 ==
66 : json_array_append_new (list,
67 : obj));
68 :
69 :
70 0 : return GNUNET_OK;
71 : }
72 :
73 :
74 : MHD_RESULT
75 0 : TAH_HISTORIC_DENOMINATION_REVENUE_handler_get (
76 : struct TAH_RequestHandler *rh,
77 : struct MHD_Connection *connection,
78 : void **connection_cls,
79 : const char *upload_data,
80 : size_t *upload_data_size,
81 : const char *const args[])
82 : {
83 : json_t *ja;
84 0 : int64_t limit = -20;
85 : uint64_t offset;
86 : enum GNUNET_DB_QueryStatus qs;
87 :
88 : (void) rh;
89 : (void) connection_cls;
90 : (void) upload_data;
91 : (void) upload_data_size;
92 0 : if (GNUNET_SYSERR ==
93 0 : TAH_plugin->preflight (TAH_plugin->cls))
94 : {
95 0 : GNUNET_break (0);
96 0 : return TALER_MHD_reply_with_error (
97 : connection,
98 : MHD_HTTP_INTERNAL_SERVER_ERROR,
99 : TALER_EC_GENERIC_DB_SETUP_FAILED,
100 : NULL);
101 : }
102 0 : TALER_MHD_parse_request_snumber (connection,
103 : "limit",
104 : &limit);
105 0 : if (limit < 0)
106 0 : offset = INT64_MAX;
107 : else
108 0 : offset = 0;
109 0 : TALER_MHD_parse_request_number (connection,
110 : "offset",
111 : &offset);
112 0 : ja = json_array ();
113 0 : GNUNET_break (NULL != ja);
114 0 : qs = TAH_plugin->select_historic_denom_revenue (
115 0 : TAH_plugin->cls,
116 : limit,
117 : offset,
118 : &process_historic_denomination_revenue,
119 : ja);
120 0 : if (0 > qs)
121 : {
122 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
123 0 : json_decref (ja);
124 0 : TALER_LOG_WARNING (
125 : "Failed to handle GET /historic-denomination-revenue");
126 0 : return TALER_MHD_reply_with_error (
127 : connection,
128 : MHD_HTTP_INTERNAL_SERVER_ERROR,
129 : TALER_EC_GENERIC_DB_FETCH_FAILED,
130 : "select_historic_denom_revenue");
131 : }
132 0 : return TALER_MHD_REPLY_JSON_PACK (
133 : connection,
134 : MHD_HTTP_OK,
135 : GNUNET_JSON_pack_array_steal (
136 : "historic-denomination-revenue",
137 : ja));
138 : }
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