Fix thumbhash saving and handling

Prevent bad thumbhash to crash the Chat JS

app/Message.php

@@ -34,13 +34,18 @@ class Message extends Model
     public function save(array $options = [])
     {
         try {
-            parent::save($options);
+            $saved = parent::save($options);
 
-            if ($this->messageFiles != null && $this->messageFiles->isNotEmpty()) {
-                MessageFile::where('message_mid')->delete();
+            if ($saved && $this->messageFiles != null && $this->messageFiles->isNotEmpty()) {
+                $mid = $this->mid;
 
-                // Todo optimize
-                $this->messageFiles->each(function ($file) {
+                if ($mid == null) {
+                    $mid = DB::getPdo()->lastInsertId();
+                    MessageFile::where('message_mid', $mid)->delete();
+                }
+
+                $this->messageFiles->each(function ($file) use ($mid) {
+                    $file->message_mid = $mid;
                     $file->save();
                 });
             }
@@ -499,7 +504,7 @@ class Message extends Model
                             $messageFile->thumbnail_width = (int)$thumbnailAttributes->width;
                             $messageFile->thumbnail_height = (int)$thumbnailAttributes->height;
                             $messageFile->thumbnail_type = (string)$thumbnailAttributes->{'media-type'};
-                            $messageFile->thumbnail_url = substr((string)$thumbnailAttributes->uri, 0, 21);
+                            $messageFile->thumbnail_url = substr((string)$thumbnailAttributes->uri, 21);
                         }
                     }
 

app/widgets/Chat/chat.js

@@ -1339,7 +1339,11 @@ var Chat = {
                 }
 
                 if (file.preview.thumbnail_type = 'image/thumbhash' && file.preview.thumbnail_url) {
-                    div.style.background = `center / cover url(${thumbHashToDataURL(MovimUtils.base64ToBinary(file.preview.thumbnail_url))})`;
+                    try {
+                        div.style.background = `center / cover url(${thumbHashToDataURL(MovimUtils.base64ToBinary(file.preview.thumbnail_url))})`;
+                    } catch (error) {
+                        console.log('Cannot handle thumbhash hash');
+                    }
                 }
 
                 div.appendChild(img);