/// <summary> Shows HTML source for Shopping Cart of one customer. (In table with price calculation) </summary>
/// <param name="customer">Customer object.</param>
/// <param name="model">Model object. (For getting book details) </param>
public void ShowShoppingCart(Customer customer, ModelStore model)
{
var cartCount = customer.ShoppingCart.Items.Count;
PrintHeadAndMenu(customer.FirstName, cartCount);
if (cartCount == 0) // Special output case when cart is empty
{
stdOut.WriteLine(" Your shopping cart is EMPTY.");
}
else
{
stdOut.WriteLine(" Your shopping cart:");
stdOut.WriteLine(" <table>");
stdOut.WriteLine(" <tr>");
stdOut.WriteLine(" <th>Title</th>");
stdOut.WriteLine(" <th>Count</th>");
stdOut.WriteLine(" <th>Price</th>");
stdOut.WriteLine(" <th>Actions</th>");
stdOut.WriteLine(" </tr>");
decimal totalPrice = 0;
foreach (var item in customer.ShoppingCart.Items)
{
var book = model.GetBook(item.BookId);
var bookTotalPrice = item.Count * book.Price;
totalPrice += bookTotalPrice;
stdOut.WriteLine(" <tr>");
stdOut.WriteLine(" <td><a href=\"/Books/Detail/" + item.BookId + "\">" + book.Title + "</a></td>");
stdOut.WriteLine(" <td>" + item.Count + "</td>");
if (item.Count == 1)
{
stdOut.WriteLine(" <td>" + bookTotalPrice + " EUR</td>");
}
else
{
stdOut.WriteLine(" <td>" + item.Count + " * " + book.Price + " = " + bookTotalPrice + " EUR</td>");
}
stdOut.WriteLine(" <td><<a href=\"/ShoppingCart/Remove/" + item.BookId + "\">Remove</a>></td>");
stdOut.WriteLine(" </tr>");
}
stdOut.WriteLine(" </table>");
stdOut.WriteLine(" Total price of all items: " + totalPrice + " EUR");
}
stdOut.WriteLine("</body>");
stdOut.WriteLine("</html>");
PrintCmdEnd();
}
/// <summary> Parses one command and makes action or shows view. </summary>
/// <param name="line">One command as string.</param>
/// <exception cref="System.Exception">Throws when command is not correct by definition.</exception>
internal void ProcessCommand(string line)
{
string[] tokens = line.Split(' ');
if (tokens.Length != 3)
{
throw new Exception("Command length wrong.");
}
if (tokens[0] != "GET")
{
throw new Exception("Not a GET request.");
}
if (tokens[2].Substring(0, domain.Length) != domain)
{
throw new Exception("Wrong domain.");
}
Customer customer;
if ((customer = model.GetCustomer(int.Parse(tokens[1]))) == null)
{
throw new Exception("Customer doesn't exists.");
}
string[] cmds = tokens[2].
Substring(domain.Length).
Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
if (cmds.Length == 0)
{
throw new Exception("HTTP address is too short.");
}
switch (cmds[0])
{
case "Books":
if (cmds.Length == 1)
{
view.ShowBooks(model.GetBooks(), customer);
}
else if (cmds.Length == 3 && cmds[1] == "Detail")
{
Book detail = model.GetBook(int.Parse(cmds[2]));
if (detail == null)
{
throw new Exception("Book Detail not found.");
}
view.ShowBookDetail(detail, customer);
}
else
{
throw new Exception("Books HTTP address is wrong.");
}
break;
case "ShoppingCart":
if (cmds.Length == 1)
{
view.ShowShoppingCart(customer, model);
}
else if (cmds.Length == 3)
{
switch (cmds[1])
{
case "Add":
AddBook(customer, model.GetBook(int.Parse(cmds[2])));
break;
case "Remove":
RemoveBook(customer, model.GetBook(int.Parse(cmds[2])));
break;
default:
throw new Exception("ShoppingCart HTTP address is wrong.");
}
}
else
{
throw new Exception("ShoppingCart HTTP address is wrong.");
}
break;
default:
throw new Exception("HTTP address is wrong.");
}
}
/// <summary> Shows HTML source for Shopping Cart of one customer. (In table with price calculation) </summary>
/// <param name="customer">Customer object.</param>
/// <param name="model">Model object. (For getting book details) </param>
public void ShowShoppingCart(Customer customer, ModelStore model)
{
var cartCount = customer.ShoppingCart.Items.Count;
PrintHeadAndMenu(customer.FirstName, cartCount);
if(cartCount == 0) // Special output case when cart is empty
stdOut.WriteLine(" Your shopping cart is EMPTY.");
else {
stdOut.WriteLine(" Your shopping cart:");
stdOut.WriteLine(" <table>");
stdOut.WriteLine(" <tr>");
stdOut.WriteLine(" <th>Title</th>");
stdOut.WriteLine(" <th>Count</th>");
stdOut.WriteLine(" <th>Price</th>");
stdOut.WriteLine(" <th>Actions</th>");
stdOut.WriteLine(" </tr>");
decimal totalPrice = 0;
foreach(var item in customer.ShoppingCart.Items) {
var book = model.GetBook(item.BookId);
var bookTotalPrice = item.Count * book.Price;
totalPrice += bookTotalPrice;
stdOut.WriteLine(" <tr>");
stdOut.WriteLine(" <td><a href=\"/Books/Detail/" + item.BookId + "\">" + book.Title + "</a></td>");
stdOut.WriteLine(" <td>" + item.Count + "</td>");
if(item.Count == 1)
stdOut.WriteLine(" <td>" + bookTotalPrice + " EUR</td>");
else
stdOut.WriteLine(" <td>" + item.Count + " * " + book.Price + " = " + bookTotalPrice + " EUR</td>");
stdOut.WriteLine(" <td><<a href=\"/ShoppingCart/Remove/" + item.BookId + "\">Remove</a>></td>");
stdOut.WriteLine(" </tr>");
}
stdOut.WriteLine(" </table>");
stdOut.WriteLine(" Total price of all items: " + totalPrice + " EUR");
}
stdOut.WriteLine("</body>");
stdOut.WriteLine("</html>");
PrintCmdEnd();
}