commit 0ef5e8fc021be49e2f941fce633947ad5f706a81
parent b748897aed3ff7074c86fc7200d439fc37bce84b
Author: bohdan-potuzhnyi <bohdan.potuzhnyi@gmail.com>
Date: Sun, 15 Dec 2024 23:23:24 +0100
adding the delete capi file
Diffstat:
3 files changed, 228 insertions(+), 1 deletion(-)
diff --git a/src/include/taler_merchant_donau.h b/src/include/taler_merchant_donau.h
@@ -328,4 +328,48 @@ void
TALER_MERCHANT_donau_instances_post_cancel(
struct TALER_MERCHANT_DonauInstancePostHandle *dph);
+
+/**
+ * Handle for a DELETE /donau/$charity_id operation.
+ */
+struct TALER_MERCHANT_DonauInstanceDeleteHandle;
+
+/**
+ * Callback for DELETE /donau/$charity_id operation.
+ *
+ * @param cls Closure to pass context.
+ * @param hr HTTP response data.
+ */
+typedef void
+(*TALER_MERCHANT_DonauInstanceDeleteCallback)(
+ void *cls,
+ const struct TALER_MERCHANT_HttpResponse *hr);
+
+/**
+ * Initiates a DELETE /donau/$charity_id operation.
+ *
+ * @param ctx CURL context.
+ * @param backend_url Base backend URL.
+ * @param charity_id The ID of the charity to delete.
+ * @param cb Callback to handle the operation response.
+ * @param cb_cls Closure for the callback.
+ * @return Handle for the DELETE operation, or NULL on error.
+ */
+struct TALER_MERCHANT_DonauInstanceDeleteHandle *
+TALER_MERCHANT_donau_instance_delete(
+ struct GNUNET_CURL_Context *ctx,
+ const char *backend_url,
+ uint64_t charity_id,
+ TALER_MERCHANT_DonauInstanceDeleteCallback cb,
+ void *cb_cls);
+
+/**
+ * Cancel the DELETE /donau/$charity_id operation.
+ *
+ * @param ddh Handle for the operation to cancel.
+ */
+void
+TALER_MERCHANT_donau_instance_delete_cancel(
+ struct TALER_MERCHANT_DonauInstanceDeleteHandle *ddh);
+
#endif
\ No newline at end of file
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
@@ -85,7 +85,8 @@ libtalermerchant_la_LIBADD = \
if HAVE_DONAU
libtalermerchant_la_SOURCES += \
merchant_api_get_donau_instance.c \
- merchant_api_post_donau_instance.c
+ merchant_api_post_donau_instance.c \
+ merchant_api_delete_donau_instance.c
libtalermerchant_la_LIBADD += \
-ldonau
diff --git a/src/lib/merchant_api_delete_donau_instance.c b/src/lib/merchant_api_delete_donau_instance.c
@@ -0,0 +1,181 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2024 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_delete_donau_instance.c
+ * @brief Implementation of the DELETE /donau/$charity_id request of the merchant's HTTP API
+ * @author Bohdan Potuzhnyi
+ * @author Vlada Svirsh
+ */
+
+#include "platform.h"
+#include <curl/curl.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_merchant_service.h"
+#include "merchant_api_curl_defaults.h"
+#include <taler/taler_json_lib.h>
+#include <taler/taler_signatures.h>
+/* DONAU RELATED IMPORTS */
+#include "taler_merchant_donau.h"
+#include <donau/donau_service.h>
+
+
+/**
+ * Handle for a DELETE /donau/$charity_id operation.
+ */
+struct TALER_MERCHANT_DonauInstanceDeleteHandle
+{
+ /**
+ * The URL for this request.
+ */
+ char *url;
+
+ /**
+ * Handle for the request.
+ */
+ struct GNUNET_CURL_Job *job;
+
+ /**
+ * Function to call with the result.
+ */
+ TALER_MERCHANT_DonauInstanceDeleteCallback cb;
+
+ /**
+ * Closure for @a cb.
+ */
+ void *cb_cls;
+
+ /**
+ * Reference to the execution context.
+ */
+ struct GNUNET_CURL_Context *ctx;
+};
+
+/**
+ * Function called when we're done processing the
+ * HTTP DELETE /donau/$charity_id request.
+ *
+ * @param cls the struct TALER_MERCHANT_DonauInstanceDeleteHandle
+ * @param response_code HTTP response code, 0 on error
+ * @param response response body, NULL if not in JSON
+ */
+static void
+handle_delete_donau_instance_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_MERCHANT_DonauInstanceDeleteHandle *ddh = cls;
+ const json_t *json = response;
+ struct TALER_MERCHANT_HttpResponse hr = {
+ .http_status = (unsigned int) response_code,
+ .reply = json
+ };
+
+ ddh->job = NULL;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Got /donau/$charity_id response with status code %u\n",
+ (unsigned int) response_code);
+
+ switch (response_code)
+ {
+ case MHD_HTTP_NO_CONTENT:
+ /* Successful deletion */
+ break;
+ case MHD_HTTP_NOT_FOUND:
+ case MHD_HTTP_UNAUTHORIZED:
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ break;
+ default:
+ /* Unexpected response */
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected response code %u/%d for DELETE /donau/$charity_id\n",
+ (unsigned int) response_code,
+ (int) hr.ec);
+ break;
+ }
+ ddh->cb (ddh->cb_cls, &hr);
+ TALER_MERCHANT_donau_instance_delete_cancel (ddh);
+}
+
+/**
+ * Initiates the DELETE /donau/$charity_id operation.
+ *
+ * @param ctx CURL context
+ * @param backend_url Base URL for the backend
+ * @param charity_id The ID of the charity to delete
+ * @param cb Callback function to handle the response
+ * @param cb_cls Closure for @a cb
+ * @return the handle for the operation, or NULL on error
+ */
+struct TALER_MERCHANT_DonauInstanceDeleteHandle *
+TALER_MERCHANT_donau_instance_delete (struct GNUNET_CURL_Context *ctx,
+ const char *backend_url,
+ uint64_t charity_id,
+ TALER_MERCHANT_DonauInstanceDeleteCallback cb,
+ void *cb_cls)
+{
+ struct TALER_MERCHANT_DonauInstanceDeleteHandle *ddh;
+ char *charity_id_str;
+
+ GNUNET_asprintf (&charity_id_str, "private/donau/%ld", charity_id);
+ if (NULL == charity_id_str)
+ return NULL;
+
+ ddh = GNUNET_new (struct TALER_MERCHANT_DonauInstanceDeleteHandle);
+ ddh->ctx = ctx;
+ ddh->cb = cb;
+ ddh->cb_cls = cb_cls;
+
+ ddh->url = TALER_url_join (backend_url, charity_id_str, NULL);
+ GNUNET_free (charity_id_str);
+
+ if (NULL == ddh->url)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not construct request URL.\n");
+ GNUNET_free (ddh);
+ return NULL;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Requesting URL '%s'\n", ddh->url);
+
+ CURL *eh = TALER_MERCHANT_curl_easy_get_ (ddh->url);
+ GNUNET_assert (CURLE_OK == curl_easy_setopt (eh, CURLOPT_CUSTOMREQUEST, "DELETE"));
+ ddh->job = GNUNET_CURL_job_add (ctx, eh, &handle_delete_donau_instance_finished, ddh);
+
+ return ddh;
+}
+
+/**
+ * Cancel the DELETE /donau/$charity_id operation.
+ *
+ * @param ddh the handle for the operation to be canceled
+ */
+void
+TALER_MERCHANT_donau_instance_delete_cancel (struct TALER_MERCHANT_DonauInstanceDeleteHandle *ddh)
+{
+ if (NULL != ddh->job)
+ GNUNET_CURL_job_cancel (ddh->job);
+
+ GNUNET_free (ddh->url);
+ GNUNET_free (ddh);
+}
+\ No newline at end of file
