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/*
* Copyright (C) 2018 Guido Berhoerster <guido+pui@berhoerster.name>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "pui-get-updates.h"
typedef struct {
PkControl *pk_control;
PkTask *pk_task;
guint refresh_interval;
} PuiGetUpdates;
GQuark
pui_get_updates_error_quark(void)
{
return (g_quark_from_static_string("pui-get-updates-error-quark"));
}
static void
on_get_updates_finished(GObject *source_object, GAsyncResult *async_result,
gpointer user_data)
{
GTask *task = user_data;
PuiGetUpdates *get_updates;
PkResults *results = NULL;
PkError *pk_error = NULL;
GError *error = NULL;
gint error_code;
GPtrArray *package_list;
get_updates = g_task_get_task_data(task);
g_debug("get updates transaction finished");
results = pk_client_generic_finish(PK_CLIENT(get_updates->pk_task),
async_result, &error);
if (results == NULL) {
/* pass the error on */
g_task_return_error(task, error);
goto out;
}
pk_error = pk_results_get_error_code(results);
if (pk_error != NULL) {
/* transaction failed, return error */
g_debug("failed to refresh the cache: %s",
pk_error_get_details(pk_error));
if (pk_error_get_code(pk_error) ==
PK_ERROR_ENUM_TRANSACTION_CANCELLED) {
error_code = PUI_GET_UPDATES_ERROR_CANCELLED;
} else {
error_code =
PUI_GET_UPDATES_ERROR_GET_UPDATES_FAILED;
}
error = g_error_new(PUI_GET_UPDATES_ERROR, error_code,
"Failed to get package updates: %s",
pk_error_get_details(pk_error));
g_task_return_error(task, error);
g_object_unref(pk_error);
goto out;
}
/* return results */
package_list = pk_results_get_package_array(results);
g_assert(package_list != NULL);
g_task_return_pointer(task, package_list,
(GDestroyNotify)g_ptr_array_unref);
out:
if (results != NULL) {
g_object_unref(results);
}
g_object_unref(task);
}
static void
on_refresh_cache_finished(GObject *source_object, GAsyncResult *async_result,
gpointer user_data)
{
GTask *task = user_data;
PuiGetUpdates *get_updates;
PkResults *results = NULL;
PkClient *pk_client;
GError *error = NULL;
PkError *pk_error = NULL;
gint error_code;
get_updates = g_task_get_task_data(task);
pk_client = PK_CLIENT(get_updates->pk_task);
g_debug("refresh cache transaction finished");
results = pk_client_generic_finish(pk_client, async_result, &error);
if (results == NULL) {
g_task_return_error(task, error);
goto out;
}
pk_error = pk_results_get_error_code(results);
if (pk_error != NULL) {
/* transaction failed, return error */
g_debug("failed to refresh the cache: %s",
pk_error_get_details(pk_error));
if (pk_error_get_code(pk_error) ==
PK_ERROR_ENUM_TRANSACTION_CANCELLED) {
error_code = PUI_GET_UPDATES_ERROR_CANCELLED;
} else {
error_code = PUI_GET_UPDATES_ERROR_REFRESH_FAILED;
}
error = g_error_new(PUI_GET_UPDATES_ERROR, error_code,
"Failed to refresh the cache: %s",
pk_error_get_details(pk_error));
g_task_return_error(task, error);
g_object_unref(pk_error);
goto out;
}
/* cache is up to date, get updates */
pk_client_get_updates_async(pk_client,
pk_bitfield_value(PK_FILTER_ENUM_NONE),
g_task_get_cancellable(task), NULL, NULL, on_get_updates_finished,
task);
out:
if (results != NULL) {
g_object_unref(results);
}
}
static void
on_get_time_since_refresh_finished(GObject *source_object,
GAsyncResult *async_result, gpointer user_data)
{
GTask *task = user_data;
PuiGetUpdates *get_updates;
guint last_refresh;
GError *error = NULL;
PkClient *pk_client;
get_updates = g_task_get_task_data(task);
pk_client = PK_CLIENT(get_updates->pk_task);
last_refresh =
pk_control_get_time_since_action_finish(get_updates->pk_control,
async_result, &error);
if (last_refresh == 0) {
g_task_return_error(task, error);
g_object_unref(task);
return;
}
g_debug("time since last cache refresh: %us", last_refresh);
if (last_refresh > get_updates->refresh_interval) {
/* cache is out of date, refresh first */
g_debug("refreshing the cache");
pk_client_refresh_cache_async(pk_client, FALSE,
g_task_get_cancellable(task), NULL, NULL,
on_refresh_cache_finished, task);
} else {
/* cache is up to date, get updates */
g_debug("getting updates");
pk_client_get_updates_async(pk_client,
pk_bitfield_value(PK_FILTER_ENUM_NONE),
g_task_get_cancellable(task), NULL, NULL,
on_get_updates_finished, task);
}
}
static void
pui_get_updates_free(gpointer data)
{
PuiGetUpdates *get_updates = data;
g_object_unref(get_updates->pk_control);
g_object_unref(get_updates->pk_task);
g_slice_free(PuiGetUpdates, data);
}
void
pui_get_updates_async(PkControl *pk_control, guint refresh_interval,
GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data)
{
PuiGetUpdates *get_updates;
GTask *task;
PkClient *pk_client;
get_updates = g_slice_new0(PuiGetUpdates);
get_updates->pk_control = g_object_ref(pk_control);
get_updates->pk_task = pk_task_new();
get_updates->refresh_interval = refresh_interval;
pk_client = PK_CLIENT(get_updates->pk_task);
pk_client_set_cache_age(pk_client, refresh_interval);
pk_client_set_background(pk_client, TRUE);
task = g_task_new(NULL, cancellable, callback, user_data);
g_task_set_task_data(task, get_updates, pui_get_updates_free);
/* check whether to refresh the cache before checking for updates */
g_debug("getting the time since the cache was last refreshed");
pk_control_get_time_since_action_async(pk_control,
PK_ROLE_ENUM_REFRESH_CACHE, cancellable,
on_get_time_since_refresh_finished, task);
}
GPtrArray *
pui_get_updates_finish(GAsyncResult *result, GError **errorp)
{
return (g_task_propagate_pointer(G_TASK(result), errorp));
}
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