public RedirectToActionResult Add(int id)
{
var book = data.Get(new QueryOptions <Book> {
Includes = "BookAuthors.Author, Genre",
Where = b => b.BookId == id
});
if (book == null)
{
TempData["message"] = "Unable to add book to cart.";
}
else
{
var dto = new BookDTO();
dto.Load(book);
CartItem item = new CartItem {
Book = dto,
Quantity = 1 // default value
};
cart.Add(item);
cart.Save();
TempData["message"] = $"{book.Title} added to cart";
}
var builder = new BooksGridBuilder(HttpContext.Session);
return(RedirectToAction("List", "Book", builder.CurrentRoute));
}
public void Load(Repository <Book> data)
{
items = session.GetObject <List <CartItem> >(CartKey);
if (items == null)
{
items = new List <CartItem>();
storedItems = requestCookies.GetObject <List <CartItemDTO> >(CartKey);
}
if (storedItems?.Count > items?.Count)
{
foreach (CartItemDTO storedItem in storedItems)
{
var book = data.Get(new QueryOptions <Book>
{
Includes = "BookAuthors.Author, Genre",
Where = b => b.BookID == storedItem.BookID
});
if (book != null)
{
var dto = new BookDTO();
dto.Load(book);
CartItem item = new CartItem
{
Book = dto,
Quantity = storedItem.Quantity
};
items.Add(item);
}
}
Save();
}
}