public FeedVideoListPageViewModel(HohoemaApp hohoemaApp, PageManager pageManager, Views.Service.MylistRegistrationDialogService mylistDialogService)
: base(hohoemaApp, pageManager, mylistDialogService, isRequireSignIn: true)
{
LastUpdate = new ReactiveProperty <DateTime>();
AllMarkAsReadCommand = new DelegateCommand(async() =>
{
FeedGroup.ForceMarkAsRead();
await HohoemaApp.FeedManager.SaveOne(FeedGroup);
AllMarkAsReadCommand.RaiseCanExecuteChanged();
}
, () =>
{
return((FeedGroup?.GetUnreadItemCount() ?? 0) > 0);
});
SelectedItemsMarkAsReadCommand = SelectedItems.ToCollectionChanged()
.Select(x => SelectedItems.Count(y => y.IsUnread.Value) > 0)
.ToReactiveCommand(false)
.AddTo(_CompositeDisposable);
SelectedItemsMarkAsReadCommand.Subscribe(async _ =>
{
foreach (var item in SelectedItems)
{
await HohoemaApp.FeedManager.MarkAsRead(item.VideoId);
await HohoemaApp.FeedManager.MarkAsRead(item.RawVideoId);
}
ClearSelection();
})
.AddTo(_CompositeDisposable);
OpenFeedGroupPageCommand = new DelegateCommand(() =>
{
if (FeedGroup != null)
{
PageManager.OpenPage(HohoemaPageType.FeedGroup, FeedGroup.Id);
}
});
}
