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 * Creates a basic, readonly model for the file-based configuration
32 class ReadOnlyFileConfig implements IManageConfigValues
35 protected $configCache;
38 * @param Cache $configCache The configuration cache (based on the config-files)
40 public function __construct(Cache $configCache)
42 $this->configCache = $configCache;
48 public function getCache(): Cache
50 return $this->configCache;
54 public function beginTransaction(): ISetConfigValuesTransactionally
56 throw new ConfigPersistenceException('beginTransaction not allowed.');
60 public function reload()
62 throw new ConfigPersistenceException('reload not allowed.');
66 public function get(string $cat, string $key = null, $default_value = null)
68 return $this->configCache->get($cat, $key) ?? $default_value;
72 public function isWritable(string $cat, string $key): bool
74 return $this->configCache->getSource($cat, $key) < Cache::SOURCE_ENV;
78 public function set(string $cat, string $key, $value): bool
80 throw new ConfigPersistenceException('set not allowed.');
84 public function delete(string $cat, string $key): bool
86 throw new ConfigPersistenceException('Save not allowed');