public string AccountRegister(Account account)
 {
     if (gateway.GetAllAccounts().Find(x => x.Email == account.Email) != null)
     {
         return("Already Registered");
     }
     if (gateway.RegisterAccount(account) > 0)
     {
         return("Registraion Successful");
     }
     else
     {
         return("Registration Failed");
     }
 }