Esempio n. 1
0
        /// <summary> Adds book to Customer's ShoppingCart or increases book's count by 1.</summary>
        /// <param name="customer">Customer object for custId from command.</param>
        /// <param name="book">Book object for BookId from command.</param>
        /// <exception cref="System.Exception">Throws when customer or book doesn't exist.</exception>
        internal void AddBook(Customer customer, Book book)
        {
            if(customer == null || book == null)
                throw new Exception("Customer or Book doesn't exist.");

            ShoppingCart cart = customer.ShoppingCart;
            ShoppingCartItem cItem = cart.Items.Find(itm => itm.BookId == book.Id);
            if(cItem != null)
                cItem.Count++;
            else
                cart.Items.Add(new ShoppingCartItem {
                    BookId = book.Id,
                    Count = 1
                });

            view.ShowShoppingCart(customer, model);
        }
Esempio n. 2
0
        /// <summary> Shows HTML source for one book detail. </summary>
        /// <param name="item">Book object from model.</param>
        /// <param name="customer">Customer object.</param>
        public void ShowBookDetail(Book item, Customer customer)
        {
            PrintHeadAndMenu(customer.FirstName, customer.ShoppingCart.Items.Count);

            stdOut.WriteLine("    Book details:");
            stdOut.WriteLine("    <h2>" + item.Title + "</h2>");
            stdOut.WriteLine("    <p style=\"margin-left: 20px\">");
            stdOut.WriteLine("    Author: " + item.Author + "<br />");
            stdOut.WriteLine("    Price: " + item.Price + " EUR<br />");
            stdOut.WriteLine("    </p>");
            stdOut.WriteLine("    <h3>&lt;<a href=\"/ShoppingCart/Add/" + item.Id + "\">Buy this book</a>&gt;</h3>");
            stdOut.WriteLine("</body>");
            stdOut.WriteLine("</html>");

            PrintCmdEnd();
        }
Esempio n. 3
0
        /// <summary> Removes book from Customer's ShoppingCart or decreases book's count by 1. </summary>
        /// <param name="customer">Customer object for custId from command.</param>
        /// <param name="book">Book object for BookId from command.</param>
        /// <exception cref="System.Exception">Throws when Book isn't in Customer's ShoppingCart.</exception>
        /// <exception cref="System.Exception">
        ///     Throws when Book isn't in Customer's ShoppingCart or when customer or book doesn't exist.
        /// </exception>
        internal void RemoveBook(Customer customer, Book book)
        {
            if(customer == null || book == null)
                throw new Exception("Customer or Book doesn't exist.");

            ShoppingCart cart = customer.ShoppingCart;
            ShoppingCartItem cItem = cart.Items.Find(itm => itm.BookId == book.Id);
            if(cItem == null)
                throw new Exception("Book doesn't exist in Customers ShoppingCart.");

            if(cItem.Count > 1)
                cItem.Count--;
            else
                cart.Items.Remove(cItem);

            view.ShowShoppingCart(customer, model);
        }