public virtual int addBook(string name, string author = "", bookTypes bookType = bookTypes.Unknown,
ReadingBook.bookCategories Category = ReadingBook.bookCategories.Unknown)
{
LibraryBook newBook;
switch (bookType)
{
case bookTypes.Unknown:
newBook = new LibraryBook(name, author);
break;
case bookTypes.Enrichment:
newBook = new EnrichmentBook(name, author);
break;
case bookTypes.Reading:
newBook = new ReadingBook(name, author, Category);
break;
default:
newBook = null;
break;
}
if (newBook == null || newBook.BookID == 0)
return -1;
int counter = books.Count;
books.Add(newBook);
return (books.Count == counter + 1) ? newBook.BookID : -1;
}
public ReadingBook(string name, string author = "", ReadingBook.bookCategories Category = ReadingBook.bookCategories.Unknown)
: base(name, author)
{
this.bookCategory = Category;
this.lastBorrowing = DateTime.Now;
}