getAvatarAttribute($value)

    public function getAvatarAttribute($value)
    {
        $email = $this->email;
        $size = 250;
        $fallback = "https://api.adorable.io/avatars/$size/$email";
        $path = "/uploads/avatars/";

        if ($value == null || !file_exists(public_path($path.$value))) {
            return 'https://www.gravatar.com/avatar/'.md5($email).'?s='.$size.'&d='.urlencode($fallback);
        } else {
            return $path.$value;
        }
    }