138 lines
3.6 KiB
PHP
138 lines
3.6 KiB
PHP
<?php
|
|
/**
|
|
* System Configuration Class
|
|
*
|
|
* @file include/Core/Config.php
|
|
*
|
|
* @brief Contains the class with methods for system configuration
|
|
*/
|
|
namespace Friendica\Core;
|
|
|
|
use Friendica\Core\Config\ConfigCache;
|
|
use Friendica\Core\Config\IConfigAdapter;
|
|
use Friendica\Core\Config\IConfigCache;
|
|
|
|
/**
|
|
* @brief Arbitrary system configuration storage
|
|
*
|
|
* Note:
|
|
* If we ever would decide to return exactly the variable type as entered,
|
|
* we will have fun with the additional features. :-)
|
|
*/
|
|
class Config
|
|
{
|
|
/**
|
|
* @var Config\IConfigAdapter
|
|
*/
|
|
private static $adapter;
|
|
|
|
/**
|
|
* @var Config\IConfigCache
|
|
*/
|
|
private static $cache;
|
|
|
|
/**
|
|
* Initialize the config with only the cache
|
|
*
|
|
* @param Config\IConfigCache $cache The configuration cache
|
|
*/
|
|
public static function init(Config\IConfigCache $cache)
|
|
{
|
|
self::$cache = $cache;
|
|
}
|
|
|
|
/**
|
|
* Add the adapter for DB-backend
|
|
*
|
|
* @param Config\IConfigAdapter $adapter
|
|
*/
|
|
public static function setAdapter(Config\IConfigAdapter $adapter)
|
|
{
|
|
self::$adapter = $adapter;
|
|
}
|
|
|
|
/**
|
|
* @brief Loads all configuration values of family into a cached storage.
|
|
*
|
|
* All configuration values of the system are stored in the cache ( @see IConfigCache )
|
|
*
|
|
* @param string $family The category of the configuration value
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function load($family = "config")
|
|
{
|
|
if (!isset(self::$adapter)) {
|
|
return;
|
|
}
|
|
|
|
self::$adapter->load($family);
|
|
}
|
|
|
|
/**
|
|
* @brief Get a particular user's config variable given the category name
|
|
* ($family) and a key.
|
|
*
|
|
* Get a particular config value from the given category ($family)
|
|
* and the $key from a cached storage either from the self::$adapter
|
|
* (@see IConfigAdapter ) or from the static::$cache (@see IConfigCache ).
|
|
*
|
|
* @param string $family The category of the configuration value
|
|
* @param string $key The configuration key to query
|
|
* @param mixed $default_value optional, The value to return if key is not set (default: null)
|
|
* @param boolean $refresh optional, If true the config is loaded from the db and not from the cache (default: false)
|
|
*
|
|
* @return mixed Stored value or null if it does not exist
|
|
*/
|
|
public static function get($family, $key, $default_value = null, $refresh = false)
|
|
{
|
|
if (!isset(self::$adapter)) {
|
|
return self::$cache->get($family, $key, $default_value);
|
|
}
|
|
|
|
return self::$adapter->get($family, $key, $default_value, $refresh);
|
|
}
|
|
|
|
/**
|
|
* @brief Sets a configuration value for system config
|
|
*
|
|
* Stores a config value ($value) in the category ($family) under the key ($key)
|
|
*
|
|
* Note: Please do not store booleans - convert to 0/1 integer values!
|
|
*
|
|
* @param string $family The category of the configuration value
|
|
* @param string $key The configuration key to set
|
|
* @param mixed $value The value to store
|
|
*
|
|
* @return bool Operation success
|
|
*/
|
|
public static function set($family, $key, $value)
|
|
{
|
|
if (!isset(self::$adapter)) {
|
|
self::$cache->set($family, $key, $value);
|
|
return true;
|
|
}
|
|
|
|
return self::$adapter->set($family, $key, $value);
|
|
}
|
|
|
|
/**
|
|
* @brief Deletes the given key from the system configuration.
|
|
*
|
|
* Removes the configured value from the stored cache in self::$config
|
|
* (@see ConfigCache ) and removes it from the database (@see IConfigAdapter ).
|
|
*
|
|
* @param string $family The category of the configuration value
|
|
* @param string $key The configuration key to delete
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public static function delete($family, $key)
|
|
{
|
|
if (!isset(self::$adapter)) {
|
|
self::$cache->delete($family, $key);
|
|
}
|
|
|
|
return self::$adapter->delete($family, $key);
|
|
}
|
|
}
|