Merge pull request #9245 from annando/notice

Fix notice "Undefined index: gravity"

src/Content/PageInfo.php

@@ -163,7 +163,7 @@ class PageInfo
 			}
 		}
 
-		$text .= ']' . $data['text'] . '[/attachment]';
+		$text .= ']' . $data['text'] ?? '' . '[/attachment]';
 
 		$hashtags = '';
 		if (!empty($data['keywords'])) {

src/Protocol/ActivityPub/Processor.php

@@ -272,6 +272,7 @@ class Processor
 
 		$item = self::processContent($activity, $item);
 		if (empty($item)) {
+			Logger::info('Message was not processed');
 			return [];
 		}
 

src/Protocol/ActivityPub/Receiver.php

@@ -487,6 +487,10 @@ class Receiver
 					$object_data['thread-completion'] = true;
 
 					$item = ActivityPub\Processor::createItem($object_data);
+					if (empty($item)) {
+						return;
+					}
+
 					$item['post-type'] = Item::PT_ANNOUNCEMENT;
 					ActivityPub\Processor::postItem($object_data, $item);