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<?php
/**
* ---------------------------------------------------------------------
*
* GLPI - Gestionnaire Libre de Parc Informatique
*
* http://glpi-project.org
*
* @copyright 2015-2023 Teclib' and contributors.
* @copyright 2003-2014 by the INDEPNET Development Team.
* @licence https://www.gnu.org/licenses/gpl-3.0.html
*
* ---------------------------------------------------------------------
*
* LICENSE
*
* This file is part of GLPI.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*
* ---------------------------------------------------------------------
*/
/**
* @since 10.0.0
*/
class CleanSoftwareCron extends CommonDBTM
{
const TASK_NAME = 'cleansoftware';
const MAX_BATCH_SIZE = 2000;
protected static $notable = true;
/**
* Get task description
*
* @return string
*/
public static function getTaskDescription(): string
{
return __("Remove software versions with no installation and software with no version");
}
/**
* Get task's parameter description
*
* @return string
*/
public static function getParameterDescription(): string
{
return __('Max items to handle in one execution');
}
public static function cronInfo($name)
{
return [
'description' => self::getTaskDescription(),
'parameter' => self::getParameterDescription(),
];
}
/**
* Clean unused software and software versions
*
* @param int $max Max items to handle
* @return int Number of deleted items
*/
public static function run(?int $max): int
{
$total = 0;
// Delete software versions with no installation
$total += self::deleteItems(
self::getVersionsWithNoInstallationCriteria(),
new SoftwareVersion(),
$max
);
if ($total < $max) {
// Move software with no versions in the thrashbin
$total += self::deleteItems(
self::getSoftwareWithNoVersionsCriteria(),
new Software(),
$max - $total
);
}
return $total;
}
/**
* Run from cronTask
*
* @param CronTask $task
*/
public static function cronCleanSoftware(CronTask $task)
{
$max = $task->fields['param'];
$total = self::run($max);
$task->addVolume($total);
return 1;
}
/**
* Get all software versions which are not installed
*
* @return array
*/
protected static function getVersionsWithNoInstallationCriteria(): array
{
return [
'SELECT' => 'id',
'FROM' => SoftwareVersion::getTable(),
'WHERE' => [
'NOT' => [
'OR' => [
[
'id' => new QuerySubQuery([
'SELECT' => 'softwareversions_id',
'FROM' => Item_SoftwareVersion::getTable(),
'WHERE' => [
'is_deleted' => 0,
],
])
],
[
'id' => new QuerySubQuery([
'SELECT' => 'softwareversions_id_buy',
'FROM' => SoftwareLicense::getTable(),
]),
],
[
'id' => new QuerySubQuery([
'SELECT' => 'softwareversions_id_use',
'FROM' => SoftwareLicense::getTable(),
]),
],
],
],
],
];
}
/**
* Get all software with no versions
*
* @return array
*/
protected static function getSoftwareWithNoVersionsCriteria(): array
{
return [
'SELECT' => 'id',
'FROM' => Software::getTable(),
'WHERE' => [
'is_deleted' => 0,
'NOT' => [
'id' => new QuerySubQuery([
'SELECT' => 'softwares_id',
'FROM' => SoftwareVersion::getTable(),
]),
]
]
];
}
/**
* Delete given items
*
* @param array $scope Items to delete
* @param CommonDBTM $em EM for this itemtype
* @param int $max Max number of items to handle
*
* @return int Number of items deleted
*/
protected static function deleteItems(
array $scope,
CommonDBTM $em,
int $max
): int {
global $DB;
$total = 0;
do {
$scope['LIMIT'] = min($max - $total, self::MAX_BATCH_SIZE);
$items = $DB->request($scope);
$count = count($items);
$total += $count;
foreach ($items as $item) {
$em->delete($item);
}
// Stop if no items found
} while ($count > 0 && $total < $max);
return $total;
}
}