public string ChangeFacebookId(string facebookid, string facebookprofilepictureurl, string userEmail)
        {
            var user1 = DependencyService.Get <IDBAccess.IBlobStorage>().GetUserByFacebookID(facebookid);

            if (user1 is null)
            {
                var user = DependencyService.Get <IDBAccess.IBlobStorage>().GetUserByFacebookID(userEmail);

                user.FacebookId        = facebookid;
                user.ProfilePictureURL = facebookprofilepictureurl;

                var success = DependencyService.Get <IDBAccess.IBlobStorage>().UpdateUser(user.id, user);

                if (!success)
                {
                    return(English.SomethingWentWrong());
                }
                else
                {
                    return(String.Empty);
                }
            }
            else
            {
                return(English.AlreadyHaveThisFacebookAcoount());
            }
        }