public async void SynchronizeBookmarks(Book book)
{
if (!CanSync())
{
return;
}
var bookmarkService = IocManager.Container.Resolve <IBookmarkService>();
var data = await _cloudStorageService.LoadJson <DateTime?>(this.PathGenerator(book.ID, BookmarksLastChangeNode));
if (!data.HasValue || !book.BookmarksSyncLastChange.HasValue || book.BookmarksSyncLastChange.Value < data.Value)
{
var cloudBookmarks = await _cloudStorageService.LoadJsonList <Model.Sync.Bookmark>(this.PathGenerator(book.ID, BookmarksNode));
var deviceBookmarks = await bookmarkService.LoadBookmarksByBookID(book.ID);
var change = false;
foreach (var cloudBookmark in cloudBookmarks)
{
var deviceBookmark = deviceBookmarks.FirstOrDefault(o => o.ID == cloudBookmark.ID);
if (deviceBookmark == null && !cloudBookmark.Deleted)
{
deviceBookmark = new Model.Bookshelf.Bookmark {
ID = cloudBookmark.ID,
BookID = book.ID,
Name = cloudBookmark.Name,
Position = cloudBookmark.Position,
LastChange = DateTime.UtcNow,
};
deviceBookmarks.Add(deviceBookmark);
change = true;
bookmarkService.SaveBookmark(deviceBookmark);
}
else if (deviceBookmark != null && deviceBookmark.LastChange < cloudBookmark.LastChange)
{
deviceBookmark.Name = cloudBookmark.Name;
deviceBookmark.Deleted = cloudBookmark.Deleted;
deviceBookmark.LastChange = DateTime.UtcNow;
change = true;
bookmarkService.SaveBookmark(deviceBookmark);
}
}
var cloudMissingBookmarks = deviceBookmarks.Select(o => o.ID).Except(cloudBookmarks.Select(o => o.ID));
if (cloudMissingBookmarks.Any())
{
change = true;
}
foreach (var deviceBookmark in deviceBookmarks.Where(o => cloudMissingBookmarks.Contains(o.ID)))
{
this.SaveBookmark(book.ID, deviceBookmark);
}
_bookshelfService.SaveBook(book);
if (change)
{
this.SaveBookmarksLastChange(book.ID);
}
var bookmarks = await bookmarkService.LoadBookmarksByBookID(book.ID);
_messageBus.Send(new BookmarksChangedMessage {
Bookmarks = bookmarks
});
}
}