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/*
This file is part of TALER
Copyright (C) 2022-2023 Taler Systems SA
TALER is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1,
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with TALER; see the file COPYING.LGPL.
If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file merchant_api_post_using_templates.c
* @brief Implementation of the POST /using_templates request
* of the merchant's HTTP API
* @author Priscilla HUANG
*/
#include "platform.h"
#include <curl/curl.h>
#include <jansson.h>
#include <microhttpd.h> /* just for HTTP status codes */
#include <gnunet/gnunet_util_lib.h>
#include "taler_merchant_service.h"
#include "merchant_api_common.h"
#include "merchant_api_curl_defaults.h"
#include <taler/taler_json_lib.h>
#include <taler/taler_curl_lib.h>
/**
* Handle for a POST /templates/$ID operation.
*/
struct TALER_MERCHANT_UsingTemplatesPostHandle
{
/**
* The url for this request.
*/
char *url;
/**
* Handle for the request.
*/
struct GNUNET_CURL_Job *job;
/**
* Function to call with the result.
*/
TALER_MERCHANT_PostOrdersCallback cb;
/**
* Closure for @a cb.
*/
void *cb_cls;
/**
* Reference to the execution context.
*/
struct GNUNET_CURL_Context *ctx;
/**
* Minor context that holds body and headers.
*/
struct TALER_CURL_PostContext post_ctx;
};
/**
* Function called when we're done processing the
* HTTP POST /using-templates request.
*
* @param cls the `struct TALER_MERCHANT_UsingTemplatesPostHandle`
* @param response_code HTTP response code, 0 on error
* @param response response body, NULL if not in JSON
*/
static void
handle_post_using_templates_finished (void *cls,
long response_code,
const void *response)
{
struct TALER_MERCHANT_UsingTemplatesPostHandle *utph = cls;
const json_t *json = response;
utph->job = NULL;
TALER_MERCHANT_handle_order_creation_response_ (utph->cb,
utph->cb_cls,
response_code,
json);
TALER_MERCHANT_using_templates_post_cancel (utph);
}
struct TALER_MERCHANT_UsingTemplatesPostHandle *
TALER_MERCHANT_using_templates_post (
struct GNUNET_CURL_Context *ctx,
const char *backend_url,
const char *template_id,
const char *summary,
const struct TALER_Amount *amount,
TALER_MERCHANT_PostOrdersCallback cb,
void *cb_cls)
{
struct TALER_MERCHANT_UsingTemplatesPostHandle *utph;
json_t *req_obj;
req_obj = GNUNET_JSON_PACK (
GNUNET_JSON_pack_allow_null (
GNUNET_JSON_pack_string ("summary",
summary)),
GNUNET_JSON_pack_allow_null (
TALER_JSON_pack_amount ("amount",
amount)));
utph = GNUNET_new (struct TALER_MERCHANT_UsingTemplatesPostHandle);
utph->ctx = ctx;
utph->cb = cb;
utph->cb_cls = cb_cls;
{
char *path;
GNUNET_asprintf (&path,
"templates/%s",
template_id);
utph->url = TALER_url_join (backend_url,
path,
NULL);
GNUNET_free (path);
}
if (NULL == utph->url)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Could not construct request URL.\n");
json_decref (req_obj);
GNUNET_free (utph);
return NULL;
}
{
CURL *eh;
eh = TALER_MERCHANT_curl_easy_get_ (utph->url);
GNUNET_assert (GNUNET_OK ==
TALER_curl_easy_post (&utph->post_ctx,
eh,
req_obj));
json_decref (req_obj);
utph->job = GNUNET_CURL_job_add2 (ctx,
eh,
utph->post_ctx.headers,
&handle_post_using_templates_finished,
utph);
GNUNET_assert (NULL != utph->job);
}
return utph;
}
void
TALER_MERCHANT_using_templates_post_cancel (
struct TALER_MERCHANT_UsingTemplatesPostHandle *utph)
{
if (NULL != utph->job)
{
GNUNET_CURL_job_cancel (utph->job);
utph->job = NULL;
}
TALER_curl_easy_post_finished (&utph->post_ctx);
GNUNET_free (utph->url);
GNUNET_free (utph);
}
/* end of merchant_api_post_using_templates.c */
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