108 lines
3.5 KiB
PHP
108 lines
3.5 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\Capability;
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use Friendica\Core\Config\Exception\ConfigPersistenceException;
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use Friendica\Core\Config\Util\ConfigFileManager;
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use Friendica\Core\Config\ValueObject\Cache;
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/**
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* Interface for accessing system-wide configurations
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*/
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interface IManageConfigValues
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{
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/**
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* Reloads all configuration values from the persistence layer
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*
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* All configuration values of the system are stored in the cache.
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*
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* @return void
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*
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* @throws ConfigPersistenceException In case the persistence layer throws errors
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*/
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public function reload();
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/**
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* Get a particular user's config variable given the category name
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* ($cat) and a $key.
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*
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* Get a particular config value from the given category ($cat)
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*
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* @param string $cat The category of the configuration value
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* @param ?string $key The configuration key to query (if null, the whole array at the category will get returned)
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* @param mixed $default_value Deprecated, use `Config->get($cat, $key, null, $refresh) ?? $default_value` instead
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*
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* @return mixed Stored value or null if it does not exist
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*
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* @throws ConfigPersistenceException In case the persistence layer throws errors
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*
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*/
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public function get(string $cat, string $key = null, $default_value = null);
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/**
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* Sets a configuration value for system config
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*
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* Stores a config value ($value) in the category ($cat) under the key ($key)
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*
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* Note: Please do not store booleans - convert to 0/1 integer values!
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*
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* @param string $cat The category of the configuration value
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* @param string $key The configuration key to set
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* @param mixed $value The value to store
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*
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* @return bool Operation success
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*
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* @throws ConfigPersistenceException In case the persistence layer throws errors
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*/
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public function set(string $cat, string $key, $value): bool;
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/**
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* Creates a transactional config value store, which is used to set a bunch of values at once
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*
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* It relies on the current instance, so after save(), the values of this config class will get altered at once too.
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*
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* @return ISetConfigValuesTransactionally
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*/
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public function beginTransaction(): ISetConfigValuesTransactionally;
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/**
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* Deletes the given key from the system configuration.
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*
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* Removes the configured value from the stored cache in the cache and removes it from the database.
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*
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* @param string $cat The category of the configuration value
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* @param string $key The configuration key to delete
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*
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* @return bool
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*
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* @throws ConfigPersistenceException In case the persistence layer throws errors
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*
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*/
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public function delete(string $cat, string $key): bool;
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/**
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* Returns the Config Cache
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*
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* @return Cache
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*/
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public function getCache(): Cache;
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}
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