public void SignIn(string userName, string password, bool isPersistent, Action<SignInResult> completeAction)
{
if (completeAction == null)
throw new ArgumentNullException("completeAction");
try
{
IsBusy = true;
Status = AppStrings.SigningInMessage;
var svc = new SecurityServiceClient();
svc.SignInCompleted += (sender, e) =>
{
var status = e.Result;
SignInResult result = null;
if (status == SignInStaus.Success)
{
User = new IdentityImpl(userName);
IsAuthenticated = true;
result = new SignInResult(User);
}
else if (status == SignInStaus.WrongCredentials)
{
result = new SignInResult(null, false, ErrorStrings.InvalidCredentialsMessage);
}
else if (status == SignInStaus.Inactive)
{
result = new SignInResult(null, false, ErrorStrings.InactiveAccountMessage);
}
else
{
result = new SignInResult(null, false, ErrorStrings.GenericServerErrorMessage);
}
completeAction(result);
IsBusy = false;
};
svc.SignInAsync(userName, password, isPersistent);
}
catch
{
completeAction(new SignInResult(null, false, ErrorStrings.GenericErrorMessage));
IsBusy = false;
}
}