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/*
This file is part of TALER
(C) 2019, 2020, 2021, 2024 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero 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 taler-merchant-httpd_private-get-pos.c
* @brief implement GET /private/pos
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler-merchant-httpd_private-get-pos.h"
/**
* Closure for add_product().
*/
struct Context
{
/**
* JSON array of products we are building.
*/
json_t *pa;
/**
* JSON array of categories we are building.
*/
json_t *ca;
};
/**
* Add product details to our JSON array.
*
* @param ctx a `struct Context` with JSON arrays to build
* @param product_id ID of the product
*/
static void
add_product (void *cls,
uint64_t product_serial,
const char *product_id,
const struct TALER_MERCHANTDB_ProductDetails *pd,
size_t num_categories,
const uint64_t *categories)
{
struct Context *ctx = cls;
json_t *pa = ctx->pa;
json_t *cata;
cata = json_array ();
GNUNET_assert (NULL != cata);
for (size_t i = 0; i<num_categories; i++)
GNUNET_assert (
0 == json_array_append_new (
cata,
json_integer (categories[i])));
if (0 == num_categories)
{
// If there is no category, we return the default category
GNUNET_assert (
0 == json_array_append_new (
cata,
json_integer (0)));
}
GNUNET_assert (
0 ==
json_array_append_new (
pa,
GNUNET_JSON_PACK (
GNUNET_JSON_pack_string ("description",
pd->description),
GNUNET_JSON_pack_object_incref ("description_i18n",
(json_t *) pd->description_i18n),
GNUNET_JSON_pack_string ("unit",
pd->unit),
TALER_JSON_pack_amount ("price",
&pd->price),
GNUNET_JSON_pack_allow_null (
GNUNET_JSON_pack_string ("image",
pd->image)),
GNUNET_JSON_pack_array_steal ("categories",
cata),
GNUNET_JSON_pack_allow_null (
GNUNET_JSON_pack_array_incref ("taxes",
(json_t *) pd->taxes)),
(INT64_MAX == pd->total_stock)
? GNUNET_JSON_pack_int64 ("total_stock",
pd->total_stock)
: GNUNET_JSON_pack_allow_null (
GNUNET_JSON_pack_string ("total_stock",
NULL)),
GNUNET_JSON_pack_uint64 ("minimum_age",
pd->minimum_age),
GNUNET_JSON_pack_uint64 ("product_serial",
product_serial),
GNUNET_JSON_pack_string ("product_id",
product_id))));
}
MHD_RESULT
TMH_private_get_pos (const struct TMH_RequestHandler *rh,
struct MHD_Connection *connection,
struct TMH_HandlerContext *hc)
{
struct Context ctx;
enum GNUNET_DB_QueryStatus qs;
ctx.pa = json_array ();
GNUNET_assert (NULL != ctx.pa);
ctx.ca = json_array ();
GNUNET_assert (NULL != ctx.ca);
GNUNET_assert (
0 == json_array_append_new (
ctx.ca,
GNUNET_JSON_PACK (
GNUNET_JSON_pack_uint64 ("id",
0),
GNUNET_JSON_pack_string ("name",
"default"))));
qs = TMH_db->lookup_all_products (TMH_db->cls,
hc->instance->settings.id,
&add_product,
&ctx);
if (0 > qs)
{
GNUNET_break (0);
json_decref (ctx.pa);
json_decref (ctx.ca);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_FETCH_FAILED,
NULL);
}
return TALER_MHD_REPLY_JSON_PACK (
connection,
MHD_HTTP_OK,
GNUNET_JSON_pack_array_steal ("categories",
ctx.ca),
GNUNET_JSON_pack_array_steal ("products",
ctx.pa));
}
/* end of taler-merchant-httpd_private-get-pos.c */
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