public void writeData(Book book)
{
if (book.getType().Equals("HardCopy"))
{
Hardcopy b = (Hardcopy)book;
string bookData = b.getName() + ":" + b.getAuthor() + ":" + b.getGenre() + ":" + b.getType() + ":" + b.getYear();
File.AppendAllText("BookData.txt", bookData + Environment.NewLine);
}
else
{
Softcopy b = (Softcopy)book;
string bookData = b.getName() + ":" + b.getAuthor() + ":" + b.getGenre() + ":" + b.getType() + ":" + b.getVersion();
File.AppendAllText("BookData.txt", bookData + Environment.NewLine);
}
}
public void writeAllBooks(List <Book> books)
{
File.WriteAllText("BookData.txt", String.Empty);
foreach (var book in books)
{
if (book.getType().Equals("HardCopy", StringComparison.OrdinalIgnoreCase))
{
Hardcopy b = (Hardcopy)book;
string bookData = b.getName() + ":" + b.getAuthor() + ":" + b.getGenre() + ":" + b.getType() + ":" + b.getYear();
File.AppendAllText("BookData.txt", bookData + Environment.NewLine);
}
else
{
Softcopy b = (Softcopy)book;
string bookData = b.getName() + ":" + b.getAuthor() + ":" + b.getGenre() + ":" + b.getType() + ":" + b.getVersion();
File.AppendAllText("BookData.txt", bookData + Environment.NewLine);
}
}
}