public static void Add(int custId, int bookId, ModelStore modelStore)
{
Book bookToAdd = modelStore.GetBook(bookId);
if (bookToAdd == null)
{
ViewInvalidRequest.Render();
return;
}
ShoppingCart cart = modelStore.GetCustomer(custId).ShoppingCart;
ShoppingCartItem item = cart.GetItem(bookId);
if (item == null)
{
cart.Items.Add(new ShoppingCartItem {
BookId = bookId, Count = 1
});
}
else
{
item.Count += 1;
}
ViewShoppingCart.Render(custId, modelStore);
}
public void RemoveBook_DeleteBook()
{
StringWriter output = new StringWriter();
ModelStore model = ModelMockup();
Viewer view = new Viewer(output);
Controller control = new Controller(model, view);
Customer c = model.GetCustomer(2);
Book b = model.GetBook(5);
control.RemoveBook(c, b);
Assert.AreEqual(model.GetCustomer(2).ShoppingCart.Items.Find(itm => itm.BookId == b.Id), null);
}
public void AddBook_IncreaseCount()
{
StringWriter output = new StringWriter();
ModelStore model = ModelMockup();
Viewer view = new Viewer(output);
Controller control = new Controller(model, view);
Customer c = model.GetCustomer(2);
Book b = model.GetBook(1);
control.AddBook(c, b);
Assert.AreEqual(model.GetCustomer(2).ShoppingCart.Items.Find(itm => itm.BookId == b.Id).Count, 4);
}
public static void Render(int custId, ModelStore modelStore)
{
ViewHeader.Render(custId, modelStore);
var shoppingCartItems = modelStore.GetCustomer(custId).ShoppingCart.Items;
if (shoppingCartItems.Count == 0)
{
Console.WriteLine(" Your shopping cart is EMPTY.");
}
else
{
Console.WriteLine(" Your shopping cart:");
Console.WriteLine(" <table>");
Console.WriteLine(" <tr>");
Console.WriteLine(" <th>Title</th>");
Console.WriteLine(" <th>Count</th>");
Console.WriteLine(" <th>Price</th>");
Console.WriteLine(" <th>Actions</th>");
Console.WriteLine(" </tr>");
decimal total = 0;
foreach (var item in shoppingCartItems)
{
var book = modelStore.GetBook(item.BookId);
Console.WriteLine(" <tr>");
Console.WriteLine(" <td><a href=\"/Books/Detail/"+ book.Id.ToString() + "\">" + book.Title +
"</a></td>");
Console.WriteLine(" <td>"+ item.Count.ToString() + "</td>");
Console.WriteLine(" <td>"+ (item.Count == 1 ? book.Price.ToString() : item.Count.ToString() + " * " + book.Price.ToString() + " = " +
(item.Count * book.Price).ToString()) + " EUR</td>");
Console.WriteLine(" <td><<a href=\"/ShoppingCart/Remove/"+ book.Id.ToString() +
"\">Remove</a>></td>");
Console.WriteLine(" </tr>");
total += item.Count * book.Price;
}
Console.WriteLine(" </table>");
Console.WriteLine(" Total price of all items: " + total.ToString() + " EUR");
}
Console.WriteLine("</body>");
Console.WriteLine("</html>");
}
public void RemoveBook_NotExistingBook()
{
StringWriter output = new StringWriter();
ModelStore model = ModelMockup();
Viewer view = new Viewer(output);
Controller control = new Controller(model, view);
Customer c = model.GetCustomer(2);
Book b = model.GetBook(2);
try {
control.RemoveBook(c, b);
Assert.Fail("Expected exception was not thrown.");
}
catch (Exception ex) {
Assert.AreEqual("Book doesn't exist in Customers ShoppingCart.", ex.Message);
}
}
public static void Render(int custId, int bookId, ModelStore modelStore)
{
var book = modelStore.GetBook(bookId);
if (book == null)
{
ViewInvalidRequest.Render();
return;
}
ViewHeader.Render(custId, modelStore);
Console.WriteLine(" Book details:");
Console.WriteLine(" <h2>" + book.Title + "</h2>");
Console.WriteLine(" <p style=\"margin-left: 20px\">");
Console.WriteLine(" Author: " + book.Author + "<br />");
Console.WriteLine(" Price: " + book.Price.ToString() + " EUR<br />");
Console.WriteLine(" </p>");
Console.WriteLine(" <h3><<a href=\"/ShoppingCart/Add/" + book.Id.ToString() + "\">Buy this book</a>></h3>");
Console.WriteLine("</body>");
Console.WriteLine("</html>");
}