private void createBody(string subsectionType, int bookId, int custId, ModelStore store)
{
var name = store.GetCustomer(custId).FirstName;
writer.WriteLine("<body>");
writer.WriteLine(ind(1) + "<style type=\"text/css\">");
writer.WriteLine(ind(2) + "table, th, td {");
writer.WriteLine(ind(3) + "border: 1px solid black;");
writer.WriteLine(ind(3) + "border-collapse: collapse;");
writer.WriteLine(ind(2) + "}");
writer.WriteLine(ind(2) + "table {");
writer.WriteLine(ind(3) + "margin-bottom: 10px;");
writer.WriteLine(ind(2) + "}");
writer.WriteLine(ind(2) + "pre {");
writer.WriteLine(ind(3) + "line-height: 70%;");
writer.WriteLine(ind(2) + "}");
writer.WriteLine(ind(1) + "</style>");
writer.WriteLine(ind(1) + "<h1><pre> v,<br />Nezarka.NET: Online Shopping for Books</pre></h1>");
writer.WriteLine(ind(1) + "{0}, here is your menu:", name);
writer.WriteLine(ind(1) + "<table>");
writer.WriteLine(ind(2) + "<tr>");
writer.WriteLine(ind(3) + "<td><a href=\"/Books\">Books</a></td>");
writer.WriteLine(ind(3) + "<td><a href=\"/ShoppingCart\">Cart ({0})</a></td>", store.GetCustomer(custId).ShoppingCart.Items.Count);
writer.WriteLine(ind(2) + "</tr>");
writer.WriteLine(ind(1) + "</table>");
createSubsection(subsectionType, bookId, custId, store);
writer.WriteLine("</body>");
}
public void createWebPage(string subsectionType, int bookId, int custId, ModelStore store)
{
createHtml();
createHead();
createBody(subsectionType, bookId, custId, store);
endHTML();
}
static void Main(string[] args)
{
using (var sw = new StreamWriter("NezarkaTest.html"))
{
TextReader textReader = Console.In;
TextWriter textWriter = Console.Out;
//textWriter = sw; //for debug
//load store data
ModelStore store = ModelStore.LoadFrom(textReader);
if (store == null)
{
Console.WriteLine("Data error.");
Environment.Exit(0);
return;
}
HTMLBuilder htmlBuilder = new HTMLBuilder(textWriter);
GetParser getParser = new GetParser(htmlBuilder, store);
//commands execution
while (true)
{
string getCommand = textReader.ReadLine();
if (getCommand == null)
{
break;
}
getParser.parse(getCommand);
}
}
}
private void showShoppingCart(ShoppingCart shoppingCart, ModelStore store)
{
if (shoppingCart.Items.Count == 0)
{
writer.WriteLine(ind(1) + "Your shopping cart is EMPTY.");
return;
}
int price = 0;
writer.WriteLine(ind(1) + "Your shopping cart:");
writer.WriteLine(ind(1) + "<table>");
writer.WriteLine(ind(2) + "<tr>");
writer.WriteLine(ind(3) + "<th>Title</th>");
writer.WriteLine(ind(3) + "<th>Count</th>");
writer.WriteLine(ind(3) + "<th>Price</th>");
writer.WriteLine(ind(3) + "<th>Actions</th>");
writer.WriteLine(ind(2) + "</tr>");
for (int i = 0; i < shoppingCart.Items.Count; i++)
{
int bookId = shoppingCart.Items[i].BookId;
int count = shoppingCart.Items[i].Count;
Book book = store.GetBook(bookId);
int totalPrice = count * book.Price;
writer.WriteLine(ind(2) + "<tr>");
writer.WriteLine(ind(3) + "<td><a href=\"/Books/Detail/{0}\">{1}</a></td>", book.Id, book.Title);
writer.WriteLine(ind(3) + "<td>{0}</td>", count);
if (count == 1)
{
writer.WriteLine(ind(3) + "<td>{0} EUR</td>", book.Price);
}
else
{
writer.WriteLine(ind(3) + "<td>{0} * {1} = {2} EUR</td>", count, book.Price, totalPrice);
}
writer.WriteLine(ind(3) + "<td><<a href=\"/ShoppingCart/Remove/{0}\">Remove</a>></td>", book.Id);
writer.WriteLine(ind(2) + "</tr>");
price += totalPrice;
}
writer.WriteLine(ind(1) + "</table>");
writer.WriteLine(ind(1) + "Total price of all items: {0} EUR", price);
}
/// <summary>
/// add item to cart
/// </summary>
/// <param name="store"></param>
/// <param name="bookId"></param>
/// <param name="shoppingCart"></param>
/// <returns>true on succues</returns>
private bool addItemToCart(ModelStore store, int bookId, ShoppingCart shoppingCart)
{
ShoppingCartItem shoppingCartItem = shoppingCart.Items.Find(r => r.BookId == bookId);
if (shoppingCartItem == null)
{
shoppingCart.Items.Add(new ShoppingCartItem
{
BookId = bookId,
Count = 1
});
}
else
{
shoppingCartItem.Count++;
}
return(true);
}
void createSubsection(string subsectionType, int bookId, int custId, ModelStore store)
{
switch (subsectionType)
{
case "Books":
showBooks(store.GetBooks());
break;
case "Detail":
showDetail(store.GetBook(bookId));
break;
case "Add":
case "Remove":
case "ShoppingCart":
showShoppingCart(store.GetCustomer(custId).ShoppingCart, store);
break;
}
}
/// <summary>
/// remove one piece from cart or remove it if there left only one
/// </summary>
/// <param name="store"></param>
/// <param name="bookId"></param>
/// <param name="shoppingCart"></param>
/// <returns>true on succues</returns>
private bool removeItemFromCart(ModelStore store, int bookId, ShoppingCart shoppingCart)
{
ShoppingCartItem shoppingCartItem = shoppingCart.Items.Find(r => r.BookId == bookId);
if (shoppingCartItem == null)
{
return(false);
}
if (shoppingCartItem.Count == 1)
{
shoppingCart.Items.Remove(shoppingCartItem);
}
if (shoppingCartItem.Count < 1)
{
return(false);
}
else
{
shoppingCartItem.Count--;
}
return(true);
}
public static ModelStore LoadFrom(TextReader reader)
{
var store = new ModelStore();
try
{
if (reader.ReadLine() != "DATA-BEGIN")
{
return(null);
}
while (true)
{
string line = reader.ReadLine();
if (line == null)
{
return(null);
}
else if (line == "DATA-END")
{
break;
}
string[] tokens = line.Split(';');
switch (tokens[0])
{
case "BOOK":
store.books.Add(new Book
{
Id = int.Parse(tokens[1]),
Title = tokens[2],
Author = tokens[3],
Price = int.Parse(tokens[4])
});
break;
case "CUSTOMER":
store.customers.Add(new Customer
{
Id = int.Parse(tokens[1]),
FirstName = tokens[2],
LastName = tokens[3]
});
break;
case "CART-ITEM":
var customer = store.GetCustomer(int.Parse(tokens[1]));
if (customer == null)
{
return(null);
}
customer.ShoppingCart.Items.Add(new ShoppingCartItem
{
BookId = int.Parse(tokens[2]),
Count = int.Parse(tokens[3])
});
break;
default:
return(null);
}
}
}
catch (Exception ex)
{
if (ex is FormatException || ex is IndexOutOfRangeException)
{
return(null);
}
throw;
}
return(store);
}
public GetParser(HTMLBuilder htmlBuilder, ModelStore store)
{
this.htmlBuilder = htmlBuilder;
this.store = store;
}
