mirror of
https://github.com/friendica/friendica
synced 2024-05-21 19:46:42 +02:00
90 lines
2.5 KiB
PHP
90 lines
2.5 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2023, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Core\Config\Model;
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use Friendica\Core\Config\Capability\IManageConfigValues;
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use Friendica\Core\Config\Capability\ISetConfigValuesTransactionally;
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use Friendica\Core\Config\Exception\ConfigPersistenceException;
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use Friendica\Core\Config\ValueObject\Cache;
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/**
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* Transaction class for configurations, which sets values into a temporary buffer until "save()" is called
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*/
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class ConfigTransaction implements ISetConfigValuesTransactionally
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{
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/** @var IManageConfigValues */
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protected $config;
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/** @var Cache */
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protected $cache;
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/** @var Cache */
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protected $delCache;
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public function __construct(IManageConfigValues $config)
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{
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$this->config = $config;
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$this->cache = new Cache();
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$this->delCache = new Cache();
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}
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/** {@inheritDoc} */
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public function get(string $cat, string $key)
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{
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return !$this->delCache->get($cat, $key) ?
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($this->cache->get($cat, $key) ?? $this->config->get($cat, $key)) :
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null;
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}
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/** {@inheritDoc} */
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public function set(string $cat, string $key, $value): ISetConfigValuesTransactionally
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{
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$this->cache->set($cat, $key, $value, Cache::SOURCE_DATA);
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return $this;
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}
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/** {@inheritDoc} */
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public function delete(string $cat, string $key): ISetConfigValuesTransactionally
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{
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$this->cache->delete($cat, $key);
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$this->delCache->set($cat, $key, 'deleted');
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return $this;
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}
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/** {@inheritDoc} */
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public function commit(): void
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{
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try {
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$newCache = $this->config->getCache()->merge($this->cache);
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$newCache = $newCache->diff($this->delCache);
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$this->config->load($newCache);
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// flush current cache
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$this->cache = new Cache();
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$this->delCache = new Cache();
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} catch (\Exception $e) {
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throw new ConfigPersistenceException('Cannot save config', $e);
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}
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}
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}
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