private void DispatchResult(Action<LoginResult> callback, LoginResult result)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
this.LogingIn = false;
callback.Invoke(result);
});
}
public void Login(Action<LoginResult> callback)
{
var errorMessage = string.Empty;
if (!this.Validate(out errorMessage))
{
callback.Invoke(new LoginResult { IsAuthenticated = false, Description = errorMessage });
return;
}
this.LogingIn = true;
var context = App.CreateTfsDataServiceContext();
var requestUri = new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/Projects?$top=1&$select=Name", this.Endpoint), UriKind.Absolute);
context.BeginExecute<Project>(
requestUri,
r =>
{
try
{
var result = context.EndExecute<Project>(r) as QueryOperationResponse<Project>;
if (result != null)
{
// Save the valid credentials in the Isolated Storage
IsolatedStorageHelper.ClearCredentials(App.IsolatedStorageFileName);
IsolatedStorageHelper.SaveCredentials(this, App.IsolatedStorageFileName);
this.DispatchResult(callback, new LoginResult { IsAuthenticated = true, Description = string.Empty });
}
}
catch (Exception ex)
{
Exception dataServiceException;
var result = new LoginResult { IsAuthenticated = false, Description = ex.Message };
if (DataServiceExceptionUtil.TryParse(ex, out dataServiceException))
{
result.Description = dataServiceException.Message;
}
else if (ex.InnerException != null)
{
result.Description = ex.InnerException.Message;
}
this.DispatchResult(callback, result);
}
},
null);
}
