public void AllBooks(ModelStore model)
{
int i = 0;
Console.WriteLine("\tOur books for you:");
Console.WriteLine("\t<table>");
if (model.GetBooks().Count > 0)
{
Console.WriteLine("\t\t<tr>");
foreach (Book book in model.GetBooks())
{
if (i % 3 == 0 && i != 0)
{
Console.WriteLine("\t\t</tr>");
Console.WriteLine("\t\t<tr>");
}
Console.WriteLine("\t\t\t<td style=\"padding: 10px;\">");
Console.WriteLine("\t\t\t\t<a href=\"/Books/Detail/{0}\">{1}</a><br />", book.Id, book.Title);
Console.WriteLine("\t\t\t\tAuthor: {0}<br />", book.Author);
Console.WriteLine("\t\t\t\tPrice: {0} EUR <<a href=\"/ShoppingCart/Add/{1}\">Buy</a>>", book.Price, book.Id);
Console.WriteLine("\t\t\t</td>");
i++;
}
Console.WriteLine("\t\t</tr>");
}
Console.WriteLine("\t</table>");
}
public void ShoppingCartEmpty(int CustID, ModelStore model)
{
Head();
Style();
Header(model.GetCustomer(CustID).FirstName, model.GetCustomer(CustID).ShoppingCart.Items.Count);
Empty();
Foot();
End();
}
public void BooksDetail(int CustID, int bookID, ModelStore model)
{
Head();
Style();
Header(model.GetCustomer(CustID).FirstName, model.GetCustomer(CustID).ShoppingCart.Items.Count);
Detail(bookID, model);
Foot();
End();
}
public static ModelStore LoadFrom(TextReader reader)
{
var store = new ModelStore();
try
{
string line = reader.ReadLine();
if (line != "DATA-BEGIN")
{
//Console.WriteLine("Data error.");
return(null);
}
while (true)
{
line = reader.ReadLine();
if (line == null)
{
//Console.WriteLine("Data error.");
return(null);
}
else if (line == "DATA-END")
{
break;
}
string[] tokens = line.Split(';', StringSplitOptions.RemoveEmptyEntries);
switch (tokens[0])
{
case "BOOK":
if (tokens.Length != 5)
{
//Console.WriteLine("Data error.");
return(null);
}
if (Book.TryParse(tokens[1], tokens[2], tokens[3], tokens[4], out Book b, store))
{
store.books.Add(b);
}
else //parse failed, number was expected
{
//Console.WriteLine("Data error.");
return(null);
}
break;
case "CUSTOMER":
if (tokens.Length != 4)
{
// Console.WriteLine("Data error.");
return(null);
}
if (Customer.TryParse(tokens[1], tokens[2], tokens[3], out Customer c, store))
{
store.customers.Add(c);
}
public void Detail(int bookID, ModelStore model)
{
Console.WriteLine("\tBook details:");
Console.WriteLine("\t<h2>{0}</h2>", model.GetBook(bookID).Title);
Console.WriteLine("\t<p style=\"margin-left: 20px\">");
Console.WriteLine("\tAuthor: {0}<br />", model.GetBook(bookID).Author);
Console.WriteLine("\tPrice: {0} EUR<br />", model.GetBook(bookID).Price);
Console.WriteLine("\t</p>");
Console.WriteLine("\t<h3><<a href=\"/ShoppingCart/Add/{0}\">Buy this book</a>></h3>", bookID);
}
static void Main(string[] args)
{
Stream InputStrem = Console.OpenStandardInput();
Stream Outputstream = Console.OpenStandardOutput();
StreamReader Reader = new StreamReader(InputStrem);
StreamWriter Writer = new StreamWriter(Outputstream);
//Writer.AutoFlush = true;
Console.SetOut(Writer);
ModelStore Store = ModelStore.LoadFrom(Reader);
if (Store == null)
{
Writer.WriteLine("Data error.");
Writer.Flush();
return;
}
Controler.ReadAdnDoRequests(Reader, Writer, Store);
}
public void ShopingCart(int CustID, ModelStore model)
{
decimal price = 0;
Console.WriteLine("\tYour shopping cart:");
Console.WriteLine("\t<table>");
Console.WriteLine("\t\t<tr>");
Console.WriteLine("\t\t\t<th>Title</th>");
Console.WriteLine("\t\t\t<th>Count</th>");
Console.WriteLine("\t\t\t<th>Price</th>");
Console.WriteLine("\t\t\t<th>Actions</th>");
Console.WriteLine("\t\t</tr>");
foreach (ShoppingCartItem item in model.GetCustomer(CustID).ShoppingCart.Items)
{
Console.WriteLine("\t\t<tr>");
Console.WriteLine("\t\t\t<td><a href=\"/Books/Detail/{0}\">{1}</a></td>", item.BookId, model.GetBook(item.BookId).Title);
Console.WriteLine("\t\t\t<td>{0}</td>", item.Count);
if (item.Count > 1)
{
Console.WriteLine("\t\t\t<td>{0} * {1} = {2} EUR</td>", item.Count, model.GetBook(item.BookId).Price, (model.GetBook(item.BookId).Price *item.Count));
}
else
{
Console.WriteLine("\t\t\t<td>{0} EUR</td>", model.GetBook(item.BookId).Price);
}
Console.WriteLine("\t\t\t<td><<a href=\"/ShoppingCart/Remove/{0}\">Remove</a>></td>", item.BookId);
Console.WriteLine("\t\t</tr>");
price += (item.Count * model.GetBook(item.BookId).Price);
}
Console.WriteLine("\t</table>");
Console.WriteLine("\tTotal price of all items: {0} EUR", price);
}
static void Main(string[] args)
{
ModelStore model = new ModelStore();
Controller prikazy = new Controller(model);
if (ModelStore.LoadFrom(Console.In, model) == null)
{
Console.WriteLine("Data error.");
return;
}
while (true)
{
string line = Console.ReadLine();
if (line == null)
{
break;
}
prikazy.All(line);
}
}
public Controller(ModelStore model)
{
this.model = model;
view = new View();
}
public static ModelStore LoadFrom(TextReader reader, ModelStore store)
{
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 = decimal.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);
}
var BookID = int.Parse(tokens[2]);
var CounT = int.Parse(tokens[3]);
customer.ShoppingCart.Items.Add(new ShoppingCartItem
{
BookId = BookID,
Count = CounT
});
break;
default:
return(null);
}
}
}
catch (Exception ex)
{
if (ex is FormatException || ex is IndexOutOfRangeException)
{
return(null);
}
throw;
}
return(store);
}
public static void ReadAdnDoRequests(TextReader reader, TextWriter writer, ModelStore store)
{
Regex BookList = new Regex(@"^GET \d+ http://www.nezarka.net/Books$");
Regex BookDetail = new Regex(@"^GET \d+ http://www.nezarka.net/Books/Detail/\d+$");
Regex ShopingCart = new Regex(@"^GET \d+ http://www.nezarka.net/ShoppingCart$");
Regex ShopingCartAddItem = new Regex(@"^GET \d+ http://www.nezarka.net/ShoppingCart/Add/\d+$");
Regex ShopingCartRemoveItem = new Regex(@"^GET \d+ http://www.nezarka.net/ShoppingCart/Remove/\d+$");
char[] delims = new char[] { ' ', '/' };
// bool first = true;
string line = reader.ReadLine();
while (line != null && line != "")
{
string[] Records = line.Split(delims, StringSplitOptions.RemoveEmptyEntries);
/*if (!first)
* {
* writer.WriteLine("====");
* }
* first = false; */
if (BookList.Match(line).Length > 0)
{
int cusID = Int32.Parse(Records[1]);
Customer cust = store.GetCustomer(cusID);
if (cust == null)
{
View.GenInvalidRequest(writer);
writer.WriteLine("====");
writer.Flush();
line = reader.ReadLine();
continue;
}
string firstName = cust.FirstName;
List <Book> Books = store.GetBooks();
int numItems = cust.CountItemsInCart();
View.GenBookList(writer, firstName, numItems, Books);
}
else if (BookDetail.Match(line).Length > 0)
{
int cusID = Int32.Parse(Records[1]);
int bookID = Int32.Parse(Records[Records.Length - 1]);
Customer cust = store.GetCustomer(cusID);
Book b = store.GetBook(bookID);
if (cust == null || b == null)
{
View.GenInvalidRequest(writer);
writer.WriteLine("====");
writer.Flush();
line = reader.ReadLine();
continue;
}
string firstNsame = cust.FirstName;
int numItems = cust.CountItemsInCart();
View.GenBookDetail(writer, firstNsame, numItems, b.Title, b.Author, b.Price, b.Id);
}
else if (ShopingCart.Match(line).Length > 0)
{
int cusID = Int32.Parse(Records[1]);
Customer cust = store.GetCustomer(cusID);
if (cust == null)
{
View.GenInvalidRequest(writer);
writer.WriteLine("====");
writer.Flush();
line = reader.ReadLine();
continue;
}
string firstName = cust.FirstName;
if (cust.CountItemsInCart() == 0)
{
View.GenCartEmpty(writer, firstName);
writer.WriteLine("====");
writer.Flush();
line = reader.ReadLine();
continue;
}
List <ShoppingCartItem> cart = cust.GetCart();
View.GenCart(writer, firstName, cart, store);
}
else if (ShopingCartAddItem.Match(line).Length > 0)
{
int cusID = Int32.Parse(Records[1]);
int bookID = Int32.Parse(Records[Records.Length - 1]);
Customer cust = store.GetCustomer(cusID);
Book b = store.GetBook(bookID);
if (cust == null || b == null)
{
View.GenInvalidRequest(writer);
writer.WriteLine("====");
writer.Flush();
line = reader.ReadLine();
continue;
}
//TODO: create shopping cart?
cust.ShoppingCart.AddItem(bookID);
string firstName = cust.FirstName;
List <ShoppingCartItem> cart = cust.GetCart();
View.GenCart(writer, firstName, cart, store);
}
else if (ShopingCartRemoveItem.Match(line).Length > 0)
{
int cusID = Int32.Parse(Records[1]);
int bookID = Int32.Parse(Records[Records.Length - 1]);
Customer cust = store.GetCustomer(cusID);
Book b = store.GetBook(bookID);
if (cust == null || b == null)
{
View.GenInvalidRequest(writer);
writer.WriteLine("====");
writer.Flush();
line = reader.ReadLine();
continue;
}
bool RemoveSuccesful = cust.ShoppingCart.RemoveItem(bookID);
if (RemoveSuccesful)
{
string firstName = cust.FirstName;
List <ShoppingCartItem> cart = cust.GetCart();
if (cust.CountItemsInCart() == 0)
{
View.GenCartEmpty(writer, firstName);
writer.WriteLine("====");
writer.Flush();
line = reader.ReadLine();
continue;
}
View.GenCart(writer, firstName, cart, store);
}
else
{
View.GenInvalidRequest(writer);
}
}
else
{
View.GenInvalidRequest(writer);
}
writer.WriteLine("====");
writer.Flush();
line = reader.ReadLine();
}
}
public static void GenCart(TextWriter writer, string CustFirtsName, List <ShoppingCartItem> Items, ModelStore store)
{
GenFirstHead(writer);
GenStyle(writer);
GenCommonHeader(writer, CustFirtsName, Items.Count);
writer.WriteLine(" Your shopping cart:");
writer.WriteLine(" <table>");
writer.WriteLine(" <tr>");
writer.WriteLine(" <th>Title</th>");
writer.WriteLine(" <th>Count</th>");
writer.WriteLine(" <th>Price</th>");
writer.WriteLine(" <th>Actions</th>");
writer.WriteLine(" </tr>");
decimal TotalPrice = 0;
for (int i = 0; i < Items.Count; i++)
{
int NumOfBooks = Items[i].Count;
Book book = store.GetBook(Items[i].BookId);
GenCartItem(writer, book, NumOfBooks, ref TotalPrice);
}
writer.WriteLine(" </table>");
writer.WriteLine($" Total price of all items: {TotalPrice} EUR");
writer.WriteLine("</body>");
writer.WriteLine("</html>");
writer.Flush();
}
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 = decimal.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;
}
