AndyPike.Castlecasts.Website.Helpers.GravatarHelper.Url C# (CSharp) Method

        public string Url(string email)
        {
            if(string.IsNullOrEmpty(email))
            {
                return "/Content/images/default-avatar.gif";
            }

            email = email.ToLower().Trim();

            string emailAsMd5 = email.ToMD5();

            return string.Format("{0}://{1}/{2}/{3}.{4}", PROTOCOL, DOMAIN, PATH, emailAsMd5, EXTENSION).ToLower();
        }