private void updateBookList()
{
lbBooks.Items.Clear();
if (lbAuthor.SelectedItem == null || authorChkBox.Checked == false)
{
foreach (Book element in _bookService.All())
{
if (element.copies.Exists(b => b.Loan.Equals(false)) || availChkBox.Checked == false)
{
if ((element.Title.ToLower()).Contains(searchField.Text.ToLower()) || (element.author.Name.ToLower()).Contains(searchField.Text.ToLower()))
{
lbBooks.Items.Add(element);
}
}
}
}
if (lbAuthor.SelectedItem != null && authorChkBox.Checked == true)
{
foreach (Book element in _bookService.ByAuthor((Author)lbAuthor.SelectedItem))
{
if (element.copies.Exists(b => b.Loan.Equals(false)) || availChkBox.Checked == false)
{
if ((element.Title.ToLower()).Contains(searchField.Text.ToLower()) || (element.author.Name.ToLower()).Contains(searchField.Text.ToLower()))
{
lbBooks.Items.Add(element);
}
}
}
}
updateBookInfo();
}
