Fix fatal errors / added some API todo

doc/API-Mastodon.md

@@ -122,6 +122,7 @@ These emdpoints are planned to be implemented
 - [`POST /api/v1/conversations/:id/read`](https://docs.joinmastodon.org/methods/timelines/conversations/)
 - [`GET /api/v1/instance/activity`](https://docs.joinmastodon.org/methods/instance#weekly-activity)
 - [`GET /api/v1/timelines/direct`](https://docs.joinmastodon.org/methods/timelines/)
+- [`GET /api/v2/search`](https://docs.joinmastodon.org/methods/search/)
 
 ## Non supportable endpoints
 

src/Model/Item.php

@@ -2707,7 +2707,7 @@ class Item
 			$shared_links = [];
 		}
 
-		$attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'], $shared_links);
+		$attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links);
 		$s = self::addVisualAttachments($attachments, $item, $s, false);
 		$s = self::addLinkAttachment($attachments, $body, $s, false, $shared_links);
 		$s = self::addNonVisualAttachments($attachments, $item, $s, false);

src/Protocol/DFRN.php

@@ -899,7 +899,7 @@ class DFRN
 			$entry->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
 		}
 
-		$body = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
+		$body = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body'] ?? '');
 
 		if ($item['private'] == Item::PRIVATE) {
 			$body = Item::fixPrivatePhotos($body, $owner['uid'], $item, $cid);