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<?php
/**
*
* @package migration
* @copyright (c) 2012 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License v2
*
*/
/**
* Migration config tool
*
* @package db
*/
class phpbb_db_migration_tool_config implements phpbb_db_migration_tool_interface
{
/** @var phpbb_config */
protected $config;
/**
* Constructor
*
* @param phpbb_config $config
*/
public function __construct(phpbb_config $config)
{
$this->config = $config;
}
/**
* {@inheritdoc}
*/
public function get_name()
{
return 'config';
}
/**
* Add a config setting.
*
* @param string $config_name The name of the config setting
* you would like to add
* @param mixed $config_value The value of the config setting
* @param bool $is_dynamic True if it is dynamic (changes very often)
* and should not be stored in the cache, false if not.
* @return null
*/
public function add($config_name, $config_value, $is_dynamic = false)
{
if (isset($this->config[$config_name]))
{
throw new phpbb_db_migration_exception('CONFIG_ALREADY_EXIST', $config_name);
}
$this->config->set($config_name, $config_value, !$is_dynamic);
}
/**
* Update an existing config setting.
*
* @param string $config_name The name of the config setting you would
* like to update
* @param mixed $config_value The value of the config setting
* @return null
*/
public function update($config_name, $config_value)
{
if (!isset($this->config[$config_name]))
{
throw new phpbb_db_migration_exception('CONFIG_NOT_EXIST', $config_name);
}
$this->config->set($config_name, $config_value);
}
/**
* Update a config setting if the first argument equal to the
* current config value
*
* @param string $compare If equal to the current config value, will be
* updated to the new config value, otherwise not
* @param string $config_name The name of the config setting you would
* like to update
* @param mixed $config_value The value of the config setting
* @return null
*/
public function update_if_equals($compare, $config_name, $config_value)
{
if (!isset($this->config[$config_name]))
{
throw new phpbb_db_migration_exception('CONFIG_NOT_EXIST', $config_name);
}
$this->config->set_atomic($config_name, $compare, $config_value);
}
/**
* Remove an existing config setting.
*
* @param string $config_name The name of the config setting you would
* like to remove
* @return null
*/
public function remove($config_name)
{
if (!isset($this->config[$config_name]))
{
throw new phpbb_db_migration_exception('CONFIG_NOT_EXIST', $config_name);
}
$this->config->delete($config_name);
}
/**
* {@inheritdoc}
*/
public function reverse()
{
$arguments = func_get_args();
$original_call = array_shift($arguments);
$call = false;
switch ($original_call)
{
case 'add':
$call = 'remove';
break;
case 'remove':
$call = 'add';
break;
case 'update_if_equals':
$call = 'update_if_equals';
// Set to the original value if the current value is what we compared to originally
$arguments = array(
$arguments[2],
$arguments[1],
$arguments[0],
);
break;
}
if ($call)
{
return call_user_func_array(array(&$this, $call), $arguments);
}
}
}
|
