public function removeAvatarDirectory()
{
$path = $this->avatarDirectory();
if (is_dir($path)) {
app_rrmdir($path);
} elseif (is_file($path)) {
unlink($path);
}
}
/**
* Delete all generated image files and folder of this images.
*/
public function deleteDirectory()
{
app_rrmdir($this->directory_path);
}