protected override async void OnStop()
{
try
{
UserDialogs.Instance.ShowLoading();
var bookToUpdate = _context.Books.Include(b => b.LastPosition).FirstOrDefault(b => b.BookId == book.BookId);
var bookmarkToDelete = bookToUpdate.LastPosition;
bookToUpdate.LastPosition = CreateBookmarkFromCurrentPosition();
//await _context.SaveChangesAsync();
if (bookmarkToDelete != null)
{
_context.BookMarks.Remove(bookmarkToDelete);
}
await _context.SaveChangesAsync();
}
catch (Exception e)
{
}
finally
{
UserDialogs.Instance.HideLoading();
base.OnStop();
}
}
private async Task RemoveBookFromDatabaseAndClearData(Book book)
{
var bookToRemove = _dbcontext.Books.FirstOrDefault(b => b.BookId == book.BookId);
_dbcontext.Books.Remove(bookToRemove);
await _dbcontext.SaveChangesAsync();
book.RemoveData();
}
private async void FabOnClick(object sender, EventArgs e)
{
FileData fileData;
try
{
fileData = await CrossFilePicker.Current.PickFile(new string[] { ".epub" });
}
catch (FormatException)
{
return;
}
if (fileData == null)
{
return;
}
var bookId = Guid.NewGuid().ToString();
var path = Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal), bookId);
Directory.CreateDirectory(path);
ZipFile.ExtractToDirectory(fileData.FilePath, path);
var book = new Book {
BookId = bookId
};
book.FillMetadata();
await _context.Books.AddAsync(book);
await _context.SaveChangesAsync();
_adapter.AddBook(book);
}
