3 * @copyright Copyright (C) 2010-2023, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Core\Config\Model;
24 use Friendica\Core\Config\Capability\IManageConfigValues;
25 use Friendica\Core\Config\Capability\ISetConfigValuesTransactionally;
26 use Friendica\Core\Config\Exception\ConfigPersistenceException;
27 use Friendica\Core\Config\ValueObject\Cache;
30 * Transaction class for configurations, which sets values into a temporary buffer until "save()" is called
32 class ConfigTransaction implements ISetConfigValuesTransactionally
34 /** @var IManageConfigValues */
38 /** @var bool field to check if something is to save */
39 protected $changedConfig = false;
41 public function __construct(IManageConfigValues $config)
43 $this->config = $config;
44 $this->cache = clone $config->getCache();
48 public function set(string $cat, string $key, $value): ISetConfigValuesTransactionally
50 $this->cache->set($cat, $key, $value, Cache::SOURCE_DATA);
51 $this->changedConfig = true;
58 public function delete(string $cat, string $key): ISetConfigValuesTransactionally
60 $this->cache->delete($cat, $key, Cache::SOURCE_DATA);
61 $this->changedConfig = true;
67 public function commit(): void
69 // If nothing changed, just do nothing :)
70 if (!$this->changedConfig) {
75 $this->config->load($this->cache);
76 $this->cache = clone $this->config->getCache();
77 } catch (\Exception $e) {
78 throw new ConfigPersistenceException('Cannot save config', $e);