private static List <Chapter> DownloadChaptersWork(String bookID, List <String> fileUrlsToDownload)
{
// If chapters are not downloaded yet or expired, download them again
List <Chapter> chapterList = null;
if (!BooksOnServerAccessor.HasChapters(bookID) || CurrentBook.Status == Book.BookStatus.UPDATING)
{
chapterList = eBriefingService.StartDownloadChapters(bookID);
if (chapterList != null)
{
BooksOnServerAccessor.SaveChapters(bookID, chapterList);
}
}
else
{
// Or get them from the cache
chapterList = BooksOnServerAccessor.GetChapters(bookID);
}
// Queue up cover images for the chapter only if the image version is different
if (chapterList != null)
{
foreach (Chapter serverCh in chapterList)
{
// Remove cover image if this is an update
bool download = false;
if (CurrentBook.Status == Book.BookStatus.UPDATING)
{
Chapter deviceCh = BooksOnDeviceAccessor.GetChapter(CurrentBook.ID, serverCh.ID);
if (deviceCh == null)
{
download = true;
}
else if (serverCh.ImageVersion != deviceCh.ImageVersion)
{
DownloadedFilesCache.RemoveFile(deviceCh.LargeImageURL);
DownloadedFilesCache.RemoveFile(deviceCh.SmallImageURL);
download = true;
}
}
else
{
download = true;
}
if (download)
{
fileUrlsToDownload.Add(serverCh.LargeImageURL);
fileUrlsToDownload.Add(serverCh.SmallImageURL);
}
}
}
return(chapterList);
}
public static void RemoveBookFromDevice(Book book)
{
if (book != null)
{
if (book.Status == Book.BookStatus.DOWNLOADING || book.Status == Book.BookStatus.PENDING2DOWNLOAD)
{
if (book.Status == Book.BookStatus.DOWNLOADING)
{
// Remove page images from the file system
List <Page> pageList = BooksOnServerAccessor.GetPages(book.ID);
if (pageList != null)
{
foreach (Page page in pageList)
{
DownloadedFilesCache.RemoveFile(page.URL);
}
}
BooksOnServerAccessor.RemovePages(book.ID);
// Remove chapter images from the file system
List <Chapter> chapterList = BooksOnServerAccessor.GetChapters(book.ID);
if (chapterList != null)
{
foreach (Chapter chapter in chapterList)
{
DownloadedFilesCache.RemoveFile(chapter.SmallImageURL);
DownloadedFilesCache.RemoveFile(chapter.LargeImageURL);
}
}
BooksOnServerAccessor.RemoveChapters(book.ID);
}
// Remove book images from the file system
DownloadedFilesCache.RemoveFile(book.SmallImageURL);
DownloadedFilesCache.RemoveFile(book.LargeImageURL);
BooksOnDeviceAccessor.RemoveBook(book.ID);
// Initialize CurrentBook
InitializeFailedURLs();
}
else if (book.Status == Book.BookStatus.PENDING2UPDATE || book.Status == Book.BookStatus.UPDATING)
{
RemoveBookFromBooks2Update(book.ID);
BooksOnServerAccessor.RemovePages(book.ID);
BooksOnServerAccessor.RemoveChapters(book.ID);
}
}
}
private void UpdateUI()
{
if (segmentedControl.SelectedSegment == 0)
{
tableView.Hidden = true;
textView.Hidden = false;
}
else
{
textView.Hidden = true;
tableView.Hidden = false;
// tableView
if (tableView.Source == null)
{
tableView.Source = new BookOverviewDataSource(BooksOnServerAccessor.GetChapters(book.ID));
tableView.ReloadData();
}
}
}
private static void UpdateDatabase(Book book)
{
try
{
List <Chapter> chapterList = BooksOnServerAccessor.GetChapters(book.ID);
List <Page> pageList = BooksOnServerAccessor.GetPages(book.ID);
// Update notes
if (BooksOnDeviceAccessor.GetNotes(book.ID) != null)
{
// Remove orphans
BooksOnDeviceAccessor.RemoveOrphanNotes(book.ID, pageList);
}
// Update bookmarks
if (BooksOnDeviceAccessor.GetBookmarks(book.ID) != null)
{
// Remove orphans
BooksOnDeviceAccessor.RemoveOrphanBookmarks(book.ID, pageList);
}
// Update new chapters
if (BooksOnDeviceAccessor.GetChapters(book.ID) == null)
{
BooksOnDeviceAccessor.AddChapters(book.ID, chapterList);
}
else
{
BooksOnDeviceAccessor.UpdateChapters(book.ID, chapterList);
}
BooksOnDeviceAccessor.MapPagesToChapter(chapterList, pageList); // ML: 4/9/2013 We need to map them after each update
// Update new pages
if (BooksOnDeviceAccessor.GetPages(book.ID) == null)
{
BooksOnDeviceAccessor.AddPages(book.ID, pageList);
}
else
{
BooksOnDeviceAccessor.UpdatePages(book.ID, pageList);
}
// Remove chapters and pages list from BooksOnServer because they now exist on the device
BooksOnServerAccessor.RemoveChapters(book.ID);
BooksOnServerAccessor.RemovePages(book.ID);
// Update new book
book.New = true;
book.Status = Book.BookStatus.DOWNLOADED;
book.UserAddedDate = DateTime.UtcNow;
if (BooksOnDeviceAccessor.GetBook(book.ID) == null)
{
BooksOnDeviceAccessor.AddBook(book);
}
else
{
if (BooksDataAccessor.IsFavorite(book.ID))
{
book.IsFavorite = true;
}
BooksOnDeviceAccessor.UpdateBook(book);
}
}
catch (Exception ex)
{
Logger.WriteLineDebugging("BookUpdater - UpdateDatabase: {0}", ex.ToString());
}
}
