public void AddPatron(Patron patron)
{
try
{
_Patrons.Add(patron.FullName, patron);
}
catch (ModifyPatronException e)
{
Console.WriteLine(e.Message);
}
}
public static Borrowing Issue(Patron patron, BorrowableItem item)
{
Borrowing ret = null;
if (item.BorrowedBy != null)
throw new BookBorrowedException();
ret = new Borrowing(patron, item);
item.BorrowedBy = ret;
patron.BorrowedBooks.Add(ret);
return ret;
}
public void BorrowBook(Patron patron, BorrowableItem book)
{
try
{
Borrowing b = Borrowing.Issue(patron, book);
_RecordOfBorrowings.Add(book.Title, b);
}
catch (BookBorrowedException e)
{
Console.WriteLine(e.Message);
}
catch (InvalidBorrowException e)
{
Console.WriteLine(e.Message);
}
catch (IssueBookException e)
{
Console.WriteLine(e.Message);
}
}
private Borrowing(Patron patron, BorrowableItem item)
{
_Item = item;
_Patron = patron;
_DueDate = patron.GetDueDate();
}
private static void RecordSelectedCustomer(object obj)
{
if (!(obj is Patron))
throw new RecordCustomerException();
_SelectedCustomer = obj as Patron;
}
public void DeletePatron(Patron patron)
{
try
{
List<Borrowing> tempList = new List<Borrowing>(patron.BorrowedBooks);
foreach (Borrowing b in tempList)
b.ReturnBook();
if (_Patrons.ContainsValue(patron))
_Patrons.Remove(patron.FullName);
}
catch (DeletePatronException e)
{
Console.WriteLine(e.Message);
}
}
