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\ConfigFileException;
27 use Friendica\Core\Config\Exception\ConfigPersistenceException;
28 use Friendica\Core\Config\Util\ConfigFileManager;
29 use Friendica\Core\Config\ValueObject\Cache;
32 * Configuration model, which manages the whole system configuration
34 class Config implements IManageConfigValues
37 protected $configCache;
39 /** @var ConfigFileManager */
40 protected $configFileManager;
43 * @param ConfigFileManager $configFileManager The configuration file manager to save back configs
44 * @param Cache $configCache The configuration cache (based on the config-files)
46 public function __construct(ConfigFileManager $configFileManager, Cache $configCache)
48 $this->configFileManager = $configFileManager;
49 $this->configCache = $configCache;
53 * Load all configuration values from a given cache and saves it back in the configuration node store
54 * @see ConfigFileManager::CONFIG_DATA_FILE
56 * All configuration values of the system are stored in the cache.
58 * @param Cache $cache a new cache
62 * @throws ConfigPersistenceException In case the persistence layer throws errors
64 public function setCacheAndSave(Cache $cache)
66 $this->configCache = $cache;
73 public function getCache(): Cache
75 return $this->configCache;
79 public function beginTransaction(): ISetConfigValuesTransactionally
81 return new ConfigTransaction($this);
85 * Saves the current Configuration back into the data config.
86 * @see ConfigFileManager::CONFIG_DATA_FILE
88 protected function save()
91 $this->configFileManager->saveData($this->configCache);
92 // reload after the save to possible reload default values of lower source-priorities again
94 } catch (ConfigFileException $e) {
95 throw new ConfigPersistenceException('Cannot save config', $e);
100 public function reload()
102 $configCache = new Cache();
105 $this->configFileManager->setupCache($configCache);
106 } catch (ConfigFileException $e) {
107 throw new ConfigPersistenceException('Cannot reload config', $e);
109 $this->configCache = $configCache;
113 public function get(string $cat, string $key = null, $default_value = null)
115 return $this->configCache->get($cat, $key) ?? $default_value;
119 public function set(string $cat, string $key, $value): bool
121 if ($this->configCache->set($cat, $key, $value, Cache::SOURCE_DATA)) {
130 public function delete(string $cat, string $key): bool
132 if ($this->configCache->delete($cat, $key)) {