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>");
}
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;
}
}
public void parse(string request)
{
string[] get = request.Split(' ');
if (!validateGet(get))
{
htmlBuilder.createDump();
return;
}
string[] url = get[2].Split('/');
if (!validateUrl(url))
{
htmlBuilder.createDump();
return;
}
string subsectionType = "";
string custId = get[1];
int bookIdInt = 0;
int custIdInt = 0;
subsectionType = getSubsectionType(url, out string bookId);
if (!validateSubsectionType(subsectionType, url))
{
htmlBuilder.createDump();
return;
}
if (!(int.TryParse(bookId, out bookIdInt) && int.TryParse(custId, out custIdInt)))
{
htmlBuilder.createDump();
return;
}
Customer customer = store.GetCustomer(custIdInt);
Book book = store.GetBook(bookIdInt);
if (customer == null || (book == null && bookIdInt != -5769765))
{
htmlBuilder.createDump();
return;
}
switch (subsectionType)
{
case "Add":
if (!addItemToCart(store, bookIdInt, store.GetCustomer(custIdInt).ShoppingCart))
{
htmlBuilder.createDump();
return;
}
break;
case "Remove":
if (!removeItemFromCart(store, bookIdInt, store.GetCustomer(custIdInt).ShoppingCart))
{
htmlBuilder.createDump();
return;
}
break;
case "":
htmlBuilder.createDump();
return;
}
htmlBuilder.createWebPage(subsectionType, bookIdInt, int.Parse(custId), store);
}
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);
}