1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
This file is part of TALER
(C) 2020 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file backend/taler-merchant-httpd_private-get-tips.c
* @brief implementation of a GET /private/tips handler
* @author Jonathan Buchanan
*/
#include "platform.h"
#include "taler-merchant-httpd_private-get-tips.h"
#include <taler/taler_json_lib.h>
/**
* Add tip details to our JSON array.
*
* @param[in,out] cls a `json_t *` JSON array to build
* @param row_id row number of the tip
* @param tip_id ID of the tip
* @param amount the amount of the tip
*/
static void
add_tip (void *cls,
uint64_t row_id,
struct GNUNET_HashCode tip_id,
struct TALER_Amount amount)
{
json_t *pa = cls;
GNUNET_assert (0 ==
json_array_append_new (
pa,
json_pack (
"{s:I, s:o, s:o}",
"row_id",
row_id,
"tip_id",
GNUNET_JSON_from_data_auto (&tip_id),
"amount",
TALER_JSON_from_amount (&amount))));
}
/**
* Convert query argument to @a yna value.
*
* @param connection connection to take query argument from
* @param arg argument to try for
* @param[out] value to set
* @return true on success, false if the parameter was malformed
*/
static bool
arg_to_yna (struct MHD_Connection *connection,
const char *arg,
enum TALER_MERCHANTDB_YesNoAll *yna)
{
const char *str;
str = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
arg);
if (NULL == str)
{
*yna = TALER_MERCHANTDB_YNA_NO;
return true;
}
if (0 == strcasecmp (str, "yes"))
{
*yna = TALER_MERCHANTDB_YNA_YES;
return true;
}
if (0 == strcasecmp (str, "no"))
{
*yna = TALER_MERCHANTDB_YNA_NO;
return true;
}
if (0 == strcasecmp (str, "all"))
{
*yna = TALER_MERCHANTDB_YNA_ALL;
return true;
}
return false;
}
/**
* Handle a GET "/tips/$ID" request.
*
* @param rh context of the handler
* @param connection the MHD connection to handle
* @param[in,out] hc context with further information about the request
* @return MHD result code
*/
MHD_RESULT
TMH_private_get_tips (const struct TMH_RequestHandler *rh,
struct MHD_Connection *connection,
struct TMH_HandlerContext *hc)
{
json_t *pa;
enum GNUNET_DB_QueryStatus qs;
enum TALER_MERCHANTDB_YesNoAll expired;
uint64_t offset;
int64_t limit;
if (! (arg_to_yna (connection, /* TODO: put this method in a header somewhere */
"expired",
&expired)) )
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_PARAMETER_MALFORMED,
"expired");
{
const char *offset_str;
offset_str = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
"offset");
if (NULL == offset_str)
{
offset = UINT64_MAX;
}
else
{
char dummy[2];
unsigned long long ull;
if (1 !=
sscanf (offset_str,
"%llu%1s",
&ull,
dummy))
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_PARAMETER_MALFORMED,
"date");
offset = (uint64_t) ull;
}
}
{
const char *limit_str;
limit_str = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
"limit");
if (NULL == limit_str)
{
limit = -20;
}
else
{
char dummy[2];
long long ll;
if (1 !=
sscanf (limit_str,
"%lld%1s",
&ll,
dummy))
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_PARAMETER_MALFORMED,
"limit");
limit = (uint64_t) ll;
}
}
pa = json_array ();
GNUNET_assert (NULL != pa);
qs = TMH_db->lookup_tips (TMH_db->cls,
hc->instance->settings.id,
expired,
limit,
offset,
&add_tip,
pa);
if (0 > qs)
{
GNUNET_break (0);
json_decref (pa);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_ORDERS_GET_DB_LOOKUP_ERROR,
"failed to lookup tips in database");
}
return TALER_MHD_reply_json_pack (connection,
MHD_HTTP_OK,
"{s:o}",
"tips", pa);
}
|
