Part-DB-server/src/EntityListeners/TreeCacheInvalidationListener.php
2023-06-11 14:17:19 +02:00

72 lines
2.8 KiB
PHP

<?php
/**
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
*
* This program 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 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace App\EntityListeners;
use App\Entity\Base\AbstractDBElement;
use App\Entity\Base\AbstractStructuralDBElement;
use App\Entity\LabelSystem\LabelProfile;
use App\Entity\UserSystem\Group;
use App\Entity\UserSystem\User;
use App\Services\UserSystem\UserCacheKeyGenerator;
use Doctrine\ORM\Event\LifecycleEventArgs;
use Doctrine\ORM\Mapping as ORM;
use function get_class;
use Symfony\Contracts\Cache\TagAwareCacheInterface;
class TreeCacheInvalidationListener
{
public function __construct(protected TagAwareCacheInterface $cache, protected UserCacheKeyGenerator $keyGenerator)
{
}
#[ORM\PostUpdate]
#[ORM\PostPersist]
#[ORM\PostRemove]
public function invalidate(AbstractDBElement $element, LifecycleEventArgs $event): void
{
//If an element was changed, then invalidate all cached trees with this element class
if ($element instanceof AbstractStructuralDBElement || $element instanceof LabelProfile) {
$secure_class_name = str_replace('\\', '_', $element::class);
$this->cache->invalidateTags([$secure_class_name]);
//Trigger a sidebar reload for all users (see SidebarTreeUpdater service)
if(!$element instanceof LabelProfile) {
$this->cache->invalidateTags(['sidebar_tree_update']);
}
}
//If a user change, then invalidate all cached trees for him
if ($element instanceof User) {
$secure_class_name = str_replace('\\', '_', $element::class);
$tag = $this->keyGenerator->generateKey($element);
$this->cache->invalidateTags([$tag, $secure_class_name]);
}
/* If any group change, then invalidate all cached trees. Users Permissions can be inherited from groups,
so a change in any group can cause big permisssion changes for users. So to be sure, invalidate all trees */
if ($element instanceof Group) {
$tag = 'groups';
$this->cache->invalidateTags([$tag]);
}
}
}