public NezarkaServer(TextReader input, TextWriter output)
{
_requestReader = input;
_model = ModelStore.LoadFrom(input);
_view = new ViewStore(output, _model);
_controller = new ControllerStore(_model, _view);
}
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 ControllerStore(ModelStore model, ViewStore view)
{
_model = model;
_view = view;
}
public ViewStore(TextWriter output, ModelStore model)
{
_output = output;
_model = model;
}
