public NoteDataSource(Book book, UICollectionView collectionView, String cellID)
{
this.cellID = new NSString(cellID);
this.bookID = book.ID;
this.collectionView = collectionView;
// dictionary
dictionary = new Dictionary <Chapter, List <Note> > ();
List <Page> pageList = BooksOnDeviceAccessor.GetPages(bookID);
if (pageList != null)
{
foreach (var page in pageList)
{
List <Note> notesOnPage = BooksOnDeviceAccessor.GetNotes(bookID, page.ID);
if (notesOnPage != null && notesOnPage.Count > 0)
{
// chapter
Chapter chapter = BooksOnDeviceAccessor.GetChapter(bookID, page.ChapterID);
if (chapter != null)
{
if (!dictionary.ContainsKey(chapter))
{
dictionary.Add(chapter, new List <Note> ());
}
}
}
}
}
}
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);
}