AshMind.Web.Mvc.GravatarExtension.GetGravatar C# (CSharp) Метод

        private static string GetGravatar(string email, object gravatarAttributes)
        {
            Contract.Requires<ArgumentException>(!string.IsNullOrEmpty(email));

            var attributes = (gravatarAttributes == null  ? new RouteValueDictionary()
                                                          : new RouteValueDictionary(gravatarAttributes));

            var returnVal = GetGravatar(email);
            var first = true;
            foreach (var key in attributes.Keys) {
                if (first) {
                    first = false;
                    returnVal += string.Format("?{0}={1}", key, attributes[key]);
                    continue;
                }

                returnVal += string.Format("&{0}={1}", key, attributes[key]);
            }

            return returnVal;
        }