From e4609a9334275939b308462dc5a9d000320e252a Mon Sep 17 00:00:00 2001
From: joshuaruesweg <ruesweg@woltlab.com>
Date: Tue, 23 Feb 2021 11:54:57 +0100
Subject: [PATCH] Add Unfurl Url Embedded Object

---
 com.woltlab.wcf/objectType.xml                |  5 ++
 .../UnfurlUrlEmbeddedObjectHandler.class.php  | 49 +++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/message/embedded/object/UnfurlUrlEmbeddedObjectHandler.class.php

diff --git a/com.woltlab.wcf/objectType.xml b/com.woltlab.wcf/objectType.xml
index f5e5569c74..78b99d56b6 100644
--- a/com.woltlab.wcf/objectType.xml
+++ b/com.woltlab.wcf/objectType.xml
@@ -1199,6 +1199,11 @@
 			<definitionname>com.woltlab.wcf.message.embeddedObject</definitionname>
 			<classname>wcf\system\message\embedded\object\ArticleMessageEmbeddedObjectHandler</classname>
 		</type>
+		<type>
+			<name>com.woltlab.wcf.unfurlUrl</name>
+			<definitionname>com.woltlab.wcf.message.embeddedObject</definitionname>
+			<classname>wcf\system\message\embedded\object\UnfurlUrlEmbeddedObjectHandler</classname>
+		</type>
 		<!-- embedded object handlers -->
 		<type>
 			<name>com.woltlab.wcf.payment.method.paypal</name>
diff --git a/wcfsetup/install/files/lib/system/message/embedded/object/UnfurlUrlEmbeddedObjectHandler.class.php b/wcfsetup/install/files/lib/system/message/embedded/object/UnfurlUrlEmbeddedObjectHandler.class.php
new file mode 100644
index 0000000000..b5c30ee503
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/message/embedded/object/UnfurlUrlEmbeddedObjectHandler.class.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace wcf\system\message\embedded\object;
+
+use wcf\data\unfurl\url\UnfurlUrlList;
+use wcf\system\html\input\HtmlInputProcessor;
+use wcf\system\html\node\HtmlNodeUnfurlLink;
+
+/**
+ * Represents the unfurl url embedded object handlers.
+ *
+ * @author 		Joshua Ruesweg
+ * @copyright   2001-2021 WoltLab GmbH
+ * @license 	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package 	WoltLabSuite\Core\System\Message\Embedded\Object
+ * @since   	5.4
+ */
+class UnfurlUrlEmbeddedObjectHandler extends AbstractMessageEmbeddedObjectHandler
+{
+    /**
+     * @inheritDoc
+     */
+    public function loadObjects(array $objectIDs)
+    {
+        $urlList = new UnfurlUrlList();
+        $urlList->getConditionBuilder()->add('unfurl_url.urlID IN (?)', [$objectIDs]);
+        $urlList->readObjects();
+
+        return $urlList->getObjects();
+    }
+    
+    /**
+     * @inheritDoc
+     */
+    public function parse(HtmlInputProcessor $htmlInputProcessor, array $embeddedData)
+    {
+        $unfurlUrlIDs = [];
+        foreach ($htmlInputProcessor->getHtmlInputNodeProcessor()->getDocument()->getElementsByTagName('a') as $element) {
+            /** @var \DOMElement $element */
+            $id = intval($element->getAttribute(HtmlNodeUnfurlLink::UNFURL_URL_ID_ATTRIBUTE_NAME));
+            
+            if (!empty($id)) {
+                $unfurlUrlIDs[] = $id;
+            }
+        }
+        
+        return $unfurlUrlIDs;
+    }
+}
-- 
2.20.1