Line data Source code
1 : /*
2 : This file is part of TALER
3 : (C) 2019, 2020, 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-products-ID.c
18 : * @brief implement GET /products/$ID
19 : * @author Christian Grothoff
20 : */
21 : #include "platform.h"
22 : #include "taler-merchant-httpd_private-get-products-ID.h"
23 : #include <taler/taler_json_lib.h>
24 :
25 :
26 : /**
27 : * Handle a GET "/products/$ID" request.
28 : *
29 : * @param rh context of the handler
30 : * @param connection the MHD connection to handle
31 : * @param[in,out] hc context with further information about the request
32 : * @return MHD result code
33 : */
34 : MHD_RESULT
35 13 : TMH_private_get_products_ID (
36 : const struct TMH_RequestHandler *rh,
37 : struct MHD_Connection *connection,
38 : struct TMH_HandlerContext *hc)
39 : {
40 13 : struct TMH_MerchantInstance *mi = hc->instance;
41 13 : struct TALER_MERCHANTDB_ProductDetails pd = { 0 };
42 : enum GNUNET_DB_QueryStatus qs;
43 13 : size_t num_categories = 0;
44 13 : uint64_t *categories = NULL;
45 : json_t *jcategories;
46 :
47 13 : GNUNET_assert (NULL != mi);
48 13 : qs = TMH_db->lookup_product (TMH_db->cls,
49 13 : mi->settings.id,
50 13 : hc->infix,
51 : &pd,
52 : &num_categories,
53 : &categories);
54 13 : if (0 > qs)
55 : {
56 0 : GNUNET_break (0);
57 0 : return TALER_MHD_reply_with_error (connection,
58 : MHD_HTTP_INTERNAL_SERVER_ERROR,
59 : TALER_EC_GENERIC_DB_FETCH_FAILED,
60 : "lookup_product");
61 : }
62 13 : if (0 == qs)
63 : {
64 8 : return TALER_MHD_reply_with_error (connection,
65 : MHD_HTTP_NOT_FOUND,
66 : TALER_EC_MERCHANT_GENERIC_PRODUCT_UNKNOWN,
67 8 : hc->infix);
68 : }
69 5 : jcategories = json_array ();
70 5 : GNUNET_assert (NULL != jcategories);
71 5 : for (size_t i = 0; i<num_categories; i++)
72 : {
73 0 : GNUNET_assert (0 ==
74 : json_array_append_new (jcategories,
75 : json_integer (categories[i])));
76 : }
77 5 : GNUNET_free (categories);
78 :
79 : {
80 : MHD_RESULT ret;
81 :
82 5 : ret = TALER_MHD_REPLY_JSON_PACK (
83 : connection,
84 : MHD_HTTP_OK,
85 : GNUNET_JSON_pack_string ("product_name",
86 : pd.product_name),
87 : GNUNET_JSON_pack_string ("description",
88 : pd.description),
89 : GNUNET_JSON_pack_object_incref ("description_i18n",
90 : pd.description_i18n),
91 : GNUNET_JSON_pack_string ("unit",
92 : pd.unit),
93 : GNUNET_JSON_pack_array_steal ("categories",
94 : jcategories),
95 : TALER_JSON_pack_amount ("price",
96 : &pd.price),
97 : GNUNET_JSON_pack_allow_null (
98 : GNUNET_JSON_pack_string ("image",
99 : pd.image)),
100 : GNUNET_JSON_pack_allow_null (
101 : GNUNET_JSON_pack_array_incref ("taxes",
102 : pd.taxes)),
103 : GNUNET_JSON_pack_int64 ("total_stock",
104 : (INT64_MAX == pd.total_stock)
105 : ? -1LL
106 : : pd.total_stock),
107 : GNUNET_JSON_pack_uint64 ("total_sold",
108 : pd.total_sold),
109 : GNUNET_JSON_pack_uint64 ("total_lost",
110 : pd.total_lost),
111 : GNUNET_JSON_pack_allow_null (
112 : GNUNET_JSON_pack_object_incref ("address",
113 : pd.address)),
114 : GNUNET_JSON_pack_allow_null (
115 : GNUNET_JSON_pack_timestamp ("next_restock",
116 : (pd.next_restock))),
117 : GNUNET_JSON_pack_uint64 ("minimum_age",
118 : pd.minimum_age));
119 5 : TALER_MERCHANTDB_product_details_free (&pd);
120 5 : return ret;
121 : }
122 : }
123 :
124 :
125 : /* end of taler-merchant-httpd_private-get-products-ID.c */
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