Line data Source code
1 : /*
2 : This file is part of TALER
3 : (C) 2019-2021 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify it under the
6 : terms of the GNU Affero 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 taler-merchant-httpd_private-get-reserves.c
18 : * @brief implement GET /reserves
19 : * @author Christian Grothoff
20 : */
21 : #include "platform.h"
22 : #include <taler/taler_json_lib.h>
23 : #include "taler-merchant-httpd_private-get-reserves.h"
24 :
25 :
26 : /**
27 : * Add reserve details to our JSON array.
28 : *
29 : * @param cls a `json_t *` JSON array to build
30 : * @param reserve_pub public key of the reserve
31 : * @param creation_time time when the reserve was setup
32 : * @param expiration_time time when the reserve will be closed by the exchange
33 : * @param merchant_initial_amount initial amount that the merchant claims to have filled the
34 : * reserve with
35 : * @param exchange_initial_amount initial amount that the exchange claims to have received
36 : * @param pickup_amount total of tips that were picked up from this reserve
37 : * @param committed_amount total of tips that the merchant committed to, but that were not
38 : * picked up yet
39 : * @param active true if the reserve is still active (we have the private key)
40 : */
41 : static void
42 0 : add_reserve (void *cls,
43 : const struct TALER_ReservePublicKeyP *reserve_pub,
44 : struct GNUNET_TIME_Timestamp creation_time,
45 : struct GNUNET_TIME_Timestamp expiration_time,
46 : const struct TALER_Amount *merchant_initial_amount,
47 : const struct TALER_Amount *exchange_initial_amount,
48 : const struct TALER_Amount *pickup_amount,
49 : const struct TALER_Amount *committed_amount,
50 : bool active)
51 : {
52 0 : json_t *pa = cls;
53 :
54 0 : GNUNET_assert (0 ==
55 : json_array_append_new (
56 : pa,
57 : GNUNET_JSON_PACK (
58 : GNUNET_JSON_pack_data_auto ("reserve_pub",
59 : reserve_pub),
60 : GNUNET_JSON_pack_timestamp ("creation_time",
61 : creation_time),
62 : GNUNET_JSON_pack_timestamp ("expiration_time",
63 : expiration_time),
64 : TALER_JSON_pack_amount ("merchant_initial_amount",
65 : merchant_initial_amount),
66 : TALER_JSON_pack_amount ("exchange_initial_amount",
67 : exchange_initial_amount),
68 : TALER_JSON_pack_amount ("pickup_amount",
69 : pickup_amount),
70 : TALER_JSON_pack_amount ("committed_amount",
71 : committed_amount),
72 : GNUNET_JSON_pack_bool ("active",
73 : active))));
74 0 : }
75 :
76 :
77 : /**
78 : * Handle a GET "/reserves" request.
79 : *
80 : * @param rh context of the handler
81 : * @param connection the MHD connection to handle
82 : * @param[in,out] hc context with further information about the request
83 : * @return MHD result code
84 : */
85 : MHD_RESULT
86 0 : TMH_private_get_reserves (const struct TMH_RequestHandler *rh,
87 : struct MHD_Connection *connection,
88 : struct TMH_HandlerContext *hc)
89 : {
90 : json_t *ra;
91 : enum GNUNET_DB_QueryStatus qs;
92 0 : struct GNUNET_TIME_Timestamp created_after
93 : = GNUNET_TIME_UNIT_ZERO_TS;
94 : enum TALER_EXCHANGE_YesNoAll active;
95 : enum TALER_EXCHANGE_YesNoAll failures;
96 :
97 : (void) rh;
98 0 : if (! (TALER_arg_to_yna (connection,
99 : "active",
100 : TALER_EXCHANGE_YNA_ALL,
101 : &active)) )
102 : {
103 0 : return TALER_MHD_reply_with_error (connection,
104 : MHD_HTTP_BAD_REQUEST,
105 : TALER_EC_GENERIC_PARAMETER_MALFORMED,
106 : "active");
107 : }
108 :
109 0 : if (! (TALER_arg_to_yna (connection,
110 : "failures",
111 : TALER_EXCHANGE_YNA_ALL,
112 : &failures)) )
113 : {
114 0 : return TALER_MHD_reply_with_error (connection,
115 : MHD_HTTP_BAD_REQUEST,
116 : TALER_EC_GENERIC_PARAMETER_MALFORMED,
117 : "failures");
118 : }
119 :
120 0 : ra = json_array ();
121 0 : GNUNET_assert (NULL != ra);
122 0 : qs = TMH_db->lookup_reserves (TMH_db->cls,
123 0 : hc->instance->settings.id,
124 : created_after,
125 : active,
126 : failures,
127 : &add_reserve,
128 : ra);
129 0 : if (0 > qs)
130 : {
131 0 : GNUNET_break (0);
132 0 : json_decref (ra);
133 0 : return TALER_MHD_reply_with_error (connection,
134 : MHD_HTTP_INTERNAL_SERVER_ERROR,
135 : TALER_EC_GENERIC_DB_FETCH_FAILED,
136 : "reserves");
137 : }
138 0 : return TALER_MHD_REPLY_JSON_PACK (
139 : connection,
140 : MHD_HTTP_OK,
141 : GNUNET_JSON_pack_array_steal ("reserves",
142 : ra));
143 : }
144 :
145 :
146 : /* end of taler-merchant-httpd_private-get-reserves.c */
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