From ef495799113d422781b2b37eb9c95d55626bcb59 Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Sun, 12 Aug 2018 07:53:57 +0200
Subject: [PATCH] Add event in
 `DefaultUploadFileSaveStrategy::generateThumbnails()`

Close #2621
---
 .../DefaultUploadFileSaveStrategy.class.php       | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/wcfsetup/install/files/lib/system/upload/DefaultUploadFileSaveStrategy.class.php b/wcfsetup/install/files/lib/system/upload/DefaultUploadFileSaveStrategy.class.php
index f906b0e810..5b2f50e53e 100644
--- a/wcfsetup/install/files/lib/system/upload/DefaultUploadFileSaveStrategy.class.php
+++ b/wcfsetup/install/files/lib/system/upload/DefaultUploadFileSaveStrategy.class.php
@@ -5,6 +5,7 @@ use wcf\data\DatabaseObjectEditor;
 use wcf\data\IDatabaseObjectAction;
 use wcf\data\IFile;
 use wcf\data\IThumbnailFile;
+use wcf\system\event\EventHandler;
 use wcf\system\exception\ImplementationException;
 use wcf\system\exception\ParentClassException;
 use wcf\system\exception\SystemException;
@@ -267,6 +268,20 @@ class DefaultUploadFileSaveStrategy implements IUploadFileSaveStrategy {
 			}
 		}
 		
+		$parameters = [
+			'file' => $file,
+			'updateData' => $updateData
+		];
+		
+		EventHandler::getInstance()->fireAction($this, 'generateThumbnails', $parameters);
+		
+		if (!is_array($parameters['updateData'])) {
+			throw new \UnexpectedValueException('$updateData is no longer an array after being manipulated by event listeners.');
+		}
+		else {
+			$updateData = $parameters['updateData'];
+		}
+		
 		if (!empty($updateData)) {
 			/** @noinspection PhpUndefinedMethodInspection */
 			(new $this->editorClassName($file))->update($updateData);
-- 
2.20.1