[ticket/13740] Add better progress handling, also add log messages

PHPBB3-13740

phpBB/install/exception/module_not_found_exception.php

@@ -0,0 +1,42 @@
+<?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\install\exception;
+
+class module_not_found_exception extends installer_exception
+{
+	/**
+	 * @var string
+	 */
+	private $module_service_name;
+
+	/**
+	 * Constructor
+	 *
+	 * @param string	$module_service_name	The name of the missing installer module
+	 */
+	public function __construct($module_service_name)
+	{
+		$this->module_service_name = $module_service_name;
+	}
+
+	/**
+	 * Returns the missing installer module's service name
+	 *
+	 * @return string
+	 */
+	public function get_module_service_name()
+	{
+		return $this->module_service_name;
+	}
+}