[feature/migrations] Migrations now somewhat works

PHPBB3-9737

phpBB/includes/db/migration/tool/config.php

@@ -0,0 +1,108 @@
+<?php
+/**
+*
+* @package migration
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License v2
+*
+*/
+
+class phpbb_db_migration_tool_config implements phpbb_db_migration_tool_interface
+{
+	/** @var phpbb_config */
+	protected $config = null;
+
+	public function __construct(phpbb_config $config)
+	{
+		$this->config = $config;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_name()
+	{
+		return 'config';
+	}
+
+	/**
+	* Config Add
+	*
+	* This function allows you to 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 $is_dynamic True if it is dynamic (changes very often) and should not be stored in the cache, false if not.
+	*/
+	public function add($config_name, $config_value = '', $is_dynamic = false)
+	{
+		if (isset($this->config[$config_name]))
+		{
+			throw new phpbb_db_migration_exception('CONFIG_ALREADY_EXISTS', $config_name);
+		}
+
+		$this->config->set($config_name, $config_value, !$is_dynamic);
+
+		return false;
+	}
+
+	/**
+	* Config Update
+	*
+	* This function allows you to update an existing config setting.
+	*
+	* @param string $config_name The name of the config setting you would like to update
+	* @param mixed $config_value The value of the config setting
+	*/
+	public function update($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);
+
+		return false;
+	}
+
+	/**
+	* Config Update If Equals
+	*
+	* This function allows you to update a config setting if the first argument equal to the current config value
+	*
+	* @param bool $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 $config_value The value of the config setting
+	*/
+	public function update_if_equals($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);
+
+		return false;
+	}
+
+	/**
+	* Config Remove
+	*
+	* This function allows you to remove an existing config setting.
+	*
+	* @param string $config_name The name of the config setting you would like to remove
+	*/
+	public function remove($config_name)
+	{
+		if (!isset($this->config[$config_name]))
+		{
+			throw new phpbb_db_migration_exception('CONFIG_NOT_EXIST', $config_name);
+		}
+
+		$this->config->delete($config_name);
+
+		return false;
+	}
+}