public List<Book> GetAllBooks()
{
if (string.IsNullOrWhiteSpace(_path))
{
throw new ArgumentException("path");
}
if (!File.Exists(_path))
{
throw new IOException("Couldn't find the file");
}
if (Path.GetExtension(_path) != ".xml")
{
throw new InvalidOperationException("File format is invalid, please use XML file instead");
}
XDocument document = XDocument.Load(_path);
foreach (var item in document.Element("ArrayOfBook").Elements("Book"))
{
Book book= new Book
{
Title = item.Element("Title").Value,
ISBN = item.Element("ISBN").Value,
Author = item.Element("Author").Value,
Publisher = item.Element("Publisher").Value,
Pages = int.Parse(item.Element("Pages").Value),
ReleaseDate = DateTime.Parse(item.Element("ReleaseDate").Value),
Price = Double.Parse(item.Element("Price").Value),
SalesRank = Double.Parse(item.Element("SalesRank").Value),
Format = (BookFormatType)Enum.Parse(typeof(BookFormatType),item.Element("Format").Value),
Size = double.Parse(item.Element("Size").Value),
Summary = item.Element("Summary").Value,
ImageSource = item.Element("Image").Value
};
_books.Add(book);
}
return _books;
}
public BookViewModel(Book book)
{
this.book = book;
}
private void AddNewBook()
{
Book newBook = new Book
{
Title = "<New Book>",
ISBN = "0-000-00000-0",
Pages = 0,
ReleaseDate = DateTime.Now,
Price = 0.0,
SalesRank = 0,
Format = BookFormatType.Unknown,
Size = 0
};
SelectedBook = new BookViewModel(newBook);
Books.Add(SelectedBook);
}
