private XCollection<Book> getExpireBooks(XCollection<Book> books, DateTime nextBookTime)
{
var booksToExpire = new XCollection<Book>();
books.ForEach(book =>
{
if (!string.IsNullOrEmpty(book.ExpiredDateStr) &&
!book.IsExpiredBook &&
book.ExpiredDate == nextBookTime)
{
booksToExpire.Add(book);
}
});
return booksToExpire;
}
private async void CheckExpiration(XCollection<Book> booksToExpire)
{
if(Debugger.IsAttached) Debug.WriteLine("CheckExpirationDoing");
var messageStr = new StringBuilder();
foreach (var book in booksToExpire)
{
Notify(book);
await _bookProvider.RemoveFullBookInLocalStorage(book);
book.IsExpiredBook = true;
messageStr.AppendLine(book.Description.Hidden.TitleInfo.BookTitle);
}
await _catalogProvider.ExpireBooks(booksToExpire);
var books = await _catalogProvider.GetMyBooksFromCache(CancellationToken.None);
if (books == null) books = booksToExpire;
else
{
booksToExpire.ForEach(expiredBook =>
{
try
{
var bk = books.First(book => book.Id == expiredBook.Id);
bk.IsExpiredBook = true;
}
catch (Exception){}
});
}
_catalogProvider.SaveMyBooksToCache(books, CancellationToken.None);
_catalogProvider.CheckBooks();
if (messageStr.Length > 0) {
//Deployment.Current.Dispatcher.BeginInvoke(() =>
//{
// MessageBox.Show(messageStr.ToString(), "Книги истекли", MessageBoxButton.OK);
//});
await new MessageDialog(messageStr.ToString(), "Книги истекли").ShowAsync();
}
var purchaseService = ((Digillect.Mvvm.UI.WindowsRTApplication)Application.Current).Scope.Resolve<IPurchaseServiceDecorator>();
foreach (var bk in booksToExpire)
{
await purchaseService.RefreshPages(bk);
}
if(NextExpireDateTime(books) != DateTime.MaxValue) StartGuardian();
}
private DateTime NextExpireDateTime(XCollection<Book> books)
{
var nextBookTime = DateTime.MaxValue;
books.ForEach(book =>
{
if (!string.IsNullOrEmpty(book.ExpiredDateStr) && !book.IsExpiredBook && book.ExpiredDate < nextBookTime)
{
nextBookTime = book.ExpiredDate;
}
});
return nextBookTime;
}