protected override async Task CloseAsync()
{
ValidationTimer.Stop();
Feeds.CollectionChanged -= OnFeedsCollectionChanged;
ValidationTimer.Elapsed -= OnValidationTimerElapsed;
Feeds.ForEach(f => UnsubscribeFromFeedPropertyChanged(f));
}
void Load()
{
if (File.Exists(DataFile))
{
using (var reader = new StreamReader(DataFile))
{
Feeds = (ObservableCollection <Feed>)Serializer.Deserialize(reader);
}
Feeds.ForEach(f => f.Parent = this);
}
}
protected override void OnPropertyChanged(AdvancedPropertyChangedEventArgs e)
{
if (IsSaving)
{
return;
}
if (string.Equals(e.PropertyName, nameof(PackageSources)) && PackageSources is not null)
{
var storedPackageSources = PackageSources.OfType <NuGetFeed>().ToList();
SettingsFeeds.AddRange(storedPackageSources);
Feeds.AddRange(storedPackageSources);
// Validate items on first initialization
SupressFeedVerificationOnCollectionChanged = false;
Feeds.ForEach(async x => await VerifyFeedAsync(x));
}
base.OnPropertyChanged(e);
}