private void ReturnBookButton_Click(object sender, RoutedEventArgs e)
{
LoanBookDataProvider.RemoveLoanBook(_currentLoanBook);
LibraryBookDataProvider.LendReturnLibraryBook(_libraryBook);
DialogResult = true;
Close();
}
private void LendBookButton_Click(object sender, RoutedEventArgs e)
{
if (MemberListBox.SelectedIndex > -1)
{
if ((DateTime)ReturnDatePicker.SelectedDate < DateTime.Now)
{
MessageBox.Show("Please select a proper return date");
}
else
{
var selectedmember = MemberListBox.SelectedItem as Member;
LoanBook loanBook = new LoanBook();
loanBook.LB_InventoryNumber = _currentbook.InventoryNumber;
loanBook.LB_MemberId = selectedmember.MemberId;
loanBook.LoanDate = DateTime.Now;
loanBook.ReturnDate = (DateTime)ReturnDatePicker.SelectedDate;
LoanBookDataProvider.CreateLoanBook(loanBook);
LibraryBookDataProvider.LendReturnLibraryBook(_currentbook);
DialogResult = true;
Close();
}
}
else
{
MessageBox.Show("Please select a member");
}
}
private void AddNewCopyButton_Click(object sender, RoutedEventArgs e)
{
//ugliest code to generate some "random" inventory number
var inventorynumber = _currentbook.Title.Substring(0, _currentbook.Title.Length / 2) + _currentbook.ISBN + "_" + (InventoryListBox.Items.Count + 1);
LibraryBook libraryBook = new LibraryBook();
libraryBook.InventoryNumber = inventorynumber;
libraryBook.LB_BookId = _currentbook.BookId;
libraryBook.CurrentlyLoaned = false;
LibraryBookDataProvider.CreateLibraryBook(libraryBook);
UpdateLibraryBooks();
}
private void RemoveCopyButton_Click(object sender, RoutedEventArgs e)
{
var selectedCopy = InventoryListBox.SelectedItem as LibraryBook;
if (selectedCopy.CurrentlyLoaned)
{
MessageBox.Show("Cannot remove a copy that is currently being borrowed");
}
else
{
LibraryBookDataProvider.RemoveCopy(selectedCopy);
UpdateLibraryBooks();
}
}
private void UpdateLibraryBooks()
{
InventoryListBox.ItemsSource = LibraryBookDataProvider.GetCopiesOfBook(_currentbook.BookId);
}
