friendica/src/Core/Config/Model/DatabaseConfig.php

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<?php
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/**
* @copyright Copyright (C) 2010-2023, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* 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/>.
*
*/
namespace Friendica\Core\Config\Model;
use Friendica\Core\Config\Capability\IManageConfigValues;
use Friendica\Core\Config\Capability\ISetConfigValuesTransactionally;
use Friendica\Core\Config\Util\SerializeUtil;
use Friendica\Core\Config\ValueObject\Cache;
use Friendica\Database\Database;
/**
* Complete system configuration model, bound with the database
*/
class DatabaseConfig implements IManageConfigValues
{
/** @var Database */
protected $database;
/** @var Cache */
protected $cache;
public function __construct(Database $database, Cache $cache)
{
$this->database = $database;
$this->cache = $cache;
$this->reload();
}
/** {@inheritDoc} */
public function reload()
{
$config = $this->database->selectToArray('config');
foreach ($config as $entry) {
$this->cache->set($entry['cat'], $entry['k'], SerializeUtil::maybeUnserialize($entry['v']), Cache::SOURCE_DATA);
}
}
public function setAndSave(Cache $setCache, Cache $delCache): bool
{
$this->database->transaction();
foreach ($setCache->getAll() as $category => $data) {
foreach ($data as $key => $value) {
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$this->set($category, $key, $value);
}
}
foreach ($delCache->getAll() as $category => $keys) {
foreach ($keys as $key => $value) {
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$this->delete($category, $key);
}
}
return $this->database->commit();
}
/** {@inheritDoc} */
public function get(string $cat, string $key = null, $default_value = null)
{
return $this->cache->get($cat, $key) ?? $default_value;
}
/** {@inheritDoc} */
public function isSetDisabled(string $cat, string $key): bool
{
return $this->cache->getSource($cat, $key) >= Cache::SOURCE_ENV;
}
/** {@inheritDoc} */
public function set(string $cat, string $key, $value): bool
{
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// In case someone or something already serialized a config entry, unserialize it first
// We serialize values just once
$value = SerializeUtil::maybeUnserialize($value);
$this->cache->set($cat, $key, $value, Cache::SOURCE_DATA);
return $this->database->insert('config', ['cat' => $cat, 'k' => $key, 'v' => serialize($value)], Database::INSERT_UPDATE);
}
/** {@inheritDoc} */
public function beginTransaction(): ISetConfigValuesTransactionally
{
return new ConfigTransaction($this);
}
/** {@inheritDoc} */
public function delete(string $cat, string $key): bool
{
$this->cache->delete($cat, $key);
return $this->database->delete('config', ['cat' => $cat, 'k' => $key]);
}
/** {@inheritDoc} */
public function getCache(): Cache
{
return $this->cache;
}
}