public void ReturnBook()
{
var returnbookwindow = new BorrowersBorrowedBooks();
returnbookwindow.DataContext = this;
var result = returnbookwindow.ShowDialog();
if (result == true)
{
for (int a = 0; a < BOOKSLIST.Count; a++)
{
if (BOOKSLIST[a].BookIDNumber == SelectedReturnBook.BookIDNumber)
{
BOOKSLIST[a].BookAvailability = Availability.AVAILABLE.ToString();
SelectedBorrower.BORROWERBOOKSBORROWED.Remove(SelectedReturnBook);
if (SelectedBorrower.BORROWERBOOKSBORROWED.Count > 0)
{
SelectedBorrower.BorrowerCheckBorrowingBooks = CheckBorrowedBook.BORROWING.ToString();
}
else if (SelectedBorrower.BORROWERBOOKSBORROWED.Count == 0)
{
SelectedBorrower.BorrowerCheckBorrowingBooks = CheckBorrowedBook.NONE.ToString();
}
SelectedReturnBook = null;
break;
}
}
MessageBox.Show("successfully returned the book");
}
}
public void AddBook()
{
var addbookwindow = new AddBookWindow();
addbookwindow.DataContext = this;
var result = addbookwindow.ShowDialog();
if (result == true)
{
if (title == null | category == null | bookid.Count == 0 | bookauthor.Count == 0)
{
MessageBox.Show("incomplete of filling up the information");
}
else
{
for (int i = 0; i < bookid.Count; i++)
{
var newbook = new BOOK();
newbook.BookTitle = title;
newbook.BookCategory = category;
newbook.BookAvailability = Availability.AVAILABLE.ToString();
for (int a = 0; a < bookauthor.Count; a++)
{
newbook.BOOKAUTHOR.Add(bookauthor[a]);
}
newbook.BookIDNumber = bookid[i];
BOOKSLIST.Add(newbook);
}
MessageBox.Show("successfully added the book");
}
title = null;
category = null;
bookid.Clear();
bookauthor.Clear();
}
else
{
title = null;
category = null;
bookid.Clear();
bookauthor.Clear();
}
}