[ticket/11344] Add migration to remove acp_style_components module in 3.1

PHPBB3-11344

phpBB/phpbb/db/migration/data/310/acp_style_components_module.php

@@ -0,0 +1,40 @@
+<?php
+/**
+*
+* @package migration
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License v2
+*
+*/
+
+class phpbb_db_migration_data_310_acp_style_components_module extends phpbb_db_migration
+{
+	public function effectively_installed()
+	{
+		$sql = 'SELECT module_id
+			FROM ' . MODULES_TABLE . "
+			WHERE module_class = 'acp'
+				AND module_langname = 'ACP_STYLE_COMPONENTS'";
+		$result = $this->db->sql_query($sql);
+		$module_id = $this->db->sql_fetchfield('module_id');
+		$this->db->sql_freeresult($result);
+
+		return $module_id == false;
+	}
+
+	static public function depends_on()
+	{
+		return array('phpbb_db_migration_data_310_dev');
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('module.remove', array(
+				'acp',
+				false,
+				'ACP_STYLE_COMPONENTS',
+			)),
+		);
+	}
+}