public static function saveOgImage($list)
 {
     $imagePath = public_path($list->image);
     $ogImagePath = ListHelpers::getListOGPathFromImage($imagePath);
     try {
         $image = self::getOgImageObject($list);
         $image->save($ogImagePath);
     } catch (Intervention\Image\Exception\NotReadableException $e) {
         throw new Exception('Error saving thumbnail! Invalid image!');
     } catch (Intervention\Image\Exception\NotWritableException $e) {
         throw new Exception('Error saving thumbnail! Permission issue! Contact site admin');
     }
 }