public BookmarkInfoViewModel(IOrderBuilder orderBuilder, IBookmarkInfo bookmarkInfo)
{
this.LoadedCommand = new AsyncReactiveCommand()
.WithSubscribe(async() =>
{
await orderBuilder.From("LoadingBookmarkSummary")
.With("Id", bookmarkInfo.Id)
.DispatchAsync();
})
.AddTo(this.CompositeDisposable);
this.Title = bookmarkInfo.ObserveProperty(x => x.Title)
.ObserveOnUIDispatcher()
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
this.Writer = bookmarkInfo.ObserveProperty(x => x.Writer)
.ObserveOnUIDispatcher()
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
this.ChapterCount = bookmarkInfo.Chapters.ObserveProperty(x => x.Count)
.ObserveOnUIDispatcher()
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
this.BookmarkedDate = bookmarkInfo.ObserveProperty(x => x.BookmarkedDate)
.Select(x => $"{x}")
.ObserveOnUIDispatcher()
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
this.Updating = bookmarkInfo.ObserveProperty(x => x.Status)
.Select(x => x == BookmarkInfoStatus.SummaryDownloading || x == BookmarkInfoStatus.ChapterDownloading || x == BookmarkInfoStatus.SummaryLoading || x == BookmarkInfoStatus.ChapterLoading)
.ObserveOnUIDispatcher()
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
this.UpdateCommand = new AsyncReactiveCommand()
.WithSubscribe(async() =>
{
await orderBuilder.From("UpdatingBookmarkChapter")
.With("Id", bookmarkInfo.Id)
.DispatchAsync();
})
.AddTo(this.CompositeDisposable);
this.ReadCommand = new AsyncReactiveCommand()
.WithSubscribe(async() =>
{
Transitioner.MoveNextCommand.Execute(null, null);
await orderBuilder.From("RequestingBookmark")
.With("Id", bookmarkInfo.Id)
.DispatchAsync();
})
.AddTo(this.CompositeDisposable);
}
public ReadingRoomViewModel(IOrderBuilder orderBuilder, ILoadableBookmarkService loadableBookmarkService, IBookmarkInfo bookmarkInfo)
{
this.Loading = bookmarkInfo.ObserveProperty(x => x.Status)
.Select(x => x == BookmarkInfoStatus.SummaryLoading || x == BookmarkInfoStatus.SummaryDownloading || x == BookmarkInfoStatus.ChapterLoading || x == BookmarkInfoStatus.ChapterDownloading)
.ObserveOnUIDispatcher()
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
this.BackCommand = new AsyncReactiveCommand()
.WithSubscribe(async() =>
{
Transitioner.MovePreviousCommand.Execute(null, null);
await orderBuilder.From("RequestingChapter")
.With("Id", Guid.Empty)
.Next("RequestingBookmark")
.With("Id", Guid.Empty)
.DispatchAsync();
})
.AddTo(this.CompositeDisposable);
this.Chapters = bookmarkInfo.Chapters.ToReadOnlyReactiveCollection(x => new ChapterViewModel(orderBuilder, loadableBookmarkService, x), UIDispatcherScheduler.Default)
.AddTo(this.CompositeDisposable);
this.SelectionChangedCommand = new AsyncReactiveCommand <SelectionChangedEventArgs>()
.WithSubscribe(async e =>
{
var selectred = e.AddedItems.Cast <ChapterViewModel>().FirstOrDefault();
await orderBuilder.From("RequestingChapter")
.With("Id", selectred?.Id ?? Guid.Empty)
.DispatchAsync();
})
.AddTo(this.CompositeDisposable);
this.IsSelected = Observable.FromEventPattern <BookmarkRequestEventArgs>(h => loadableBookmarkService.BookmarkRequested += h, h => loadableBookmarkService.BookmarkRequested -= h)
.Select(x => x.EventArgs.Bookmark != null && x.EventArgs.Bookmark.Id == bookmarkInfo.Id)
.ObserveOnUIDispatcher()
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
this.ChapterTitle = Observable.FromEventPattern <ChapterRequestEventArgs>(h => loadableBookmarkService.ChapterRequested += h, h => loadableBookmarkService.ChapterRequested -= h)
.Select(x => x.EventArgs.Chapter?.Title ?? "")
.ObserveOnUIDispatcher()
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
//this.ChapterContent = new ReactivePropertySlim<string>("").AddTo(this.CompositeDisposable);
this.ChapterContent = Observable.FromEventPattern <ChapterRequestEventArgs>(h => loadableBookmarkService.ChapterRequested += h, h => loadableBookmarkService.ChapterRequested -= h)
.SelectMany(x =>
{
var chapter = x.EventArgs.Chapter;
if (chapter == null || bookmarkInfo.Chapters.All(c => c.Id != chapter.Id))
{
return(Observable.Return(""));
}
return(chapter.ObserveProperty(c => c.Content));
})
.ObserveOnUIDispatcher()
//.Subscribe(x => this.ChapterContent.Value = x)
.ToReadOnlyReactivePropertySlim()
.AddTo(this.CompositeDisposable);
this.IsSelected.Where(x => x).Take(1).SelectMany(x =>
{
return(orderBuilder.From("LoadingBookmarkChapter")
.With("Id", bookmarkInfo.Id)
.DispatchAsync()
.ToObservable());
})
.Subscribe()
.AddTo(this.CompositeDisposable);
}
public BookmarkRequestEventArgs(IBookmarkInfo bookmarkInfo) => this.Bookmark = bookmarkInfo;