private async Task CopyTopics(ProgressDialogController controller)
{
var topicsToUpdate = _fromManager.Topics.Where(a => _toManager.Topics.Select(b => b.Path).Contains(a.Path)).ToList();
foreach (var topic in topicsToUpdate)
{
controller.SetMessage(string.Format("Updating: {0}", topic.Path));
await Task.Run(() =>
{
_toManager.UpdateTopic(topic);
// Add missing subscription
foreach (var subscription in _fromManager.GetSubscriptions(topic).Where(a => !_toManager.GetSubscriptions(topic).Select(b => b.Name).Contains(a.Name)))
{
_toManager.AddSubscription(subscription);
}
});
}
var topicsToAdd = _fromManager.Topics.Except(_toManager.Topics, new LambdaComparer <TopicDescription>((a, b) => a.Path == b.Path, a => 1)).ToList();
foreach (var topic in topicsToAdd)
{
controller.SetMessage(string.Format("Adding: {0}", topic.Path));
await Task.Run(() =>
{
_toManager.CreateTopic(topic);
// Add missing subscription
foreach (var subscription in _fromManager.GetSubscriptions(topic))
{
_toManager.AddSubscription(subscription);
}
});
}
}
public void AddSubscription()
{
try
{
var subscription = new SubscriptionDescription(Instance.Path, SubscriptionName);
subscription = _manager.AddSubscription(subscription);
_manager.UpdateTopic(Instance);
Subscriptions.Add(subscription);
NotifyOfPropertyChange(() => Instance);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Add subscription failed", MessageBoxButton.OK, MessageBoxImage.Error);
}
}