phpBB/phpbb/db/migration/tool/config_text.php


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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/

namespace phpbb\db\migration\tool;

/**
* Migration config_text tool
*/
class config_text implements \phpbb\db\migration\tool\tool_interface
{
	/** @var \phpbb\config\db_text */
	protected $config_text;

	/**
	* Constructor
	*
	* @param \phpbb\config\db_text $config_text
	*/
	public function __construct(\phpbb\config\db_text $config_text)
	{
		$this->config_text = $config_text;
	}

	/**
	* {@inheritdoc}
	*/
	public function get_name()
	{
		return 'config_text';
	}

	/**
	* Add a config_text setting.
	*
	* @param string $config_name The name of the config_text setting
	* 	you would like to add
	* @param mixed $config_value The value of the config_text setting
	* @return null
	*/
	public function add($config_name, $config_value)
	{
		if (!is_null($this->config_text->get($config_name)))
		{
			return;
		}

		$this->config_text->set($config_name, $config_value);
	}

	/**
	* Update an existing config_text setting.
	*
	* @param string $config_name The name of the config_text setting you would
	* 	like to update
	* @param mixed $config_value The value of the config_text setting
	* @return null
	* @throws \phpbb\db\migration\exception
	*/
	public function update($config_name, $config_value)
	{
		if (is_null($this->config_text->get($config_name)))
		{
			throw new \phpbb\db\migration\exception('CONFIG_NOT_EXIST', $config_name);
		}

		$this->config_text->set($config_name, $config_value);
	}

	/**
	* Remove an existing config_text setting.
	*
	* @param string $config_name The name of the config_text setting you would
	* 	like to remove
	* @return null
	*/
	public function remove($config_name)
	{
		if (is_null($this->config_text->get($config_name)))
		{
			return;
		}

		$this->config_text->delete($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':
				$call = 'add';
				if (sizeof($arguments) == 1)
				{
					$arguments[] = '';
				}
			break;
		}

		if ($call)
		{
			return call_user_func_array(array(&$this, $call), $arguments);
		}
	}
}