//*******************************************************
//
// The RegisterBtn_Click event handler is used on this page to
// add a new user into the IBuySpy Customers database.
//
// The event handler then migrates any items stored in the user's
// temporary (non-persistent) shopping cart to their
// permanent customer account, adds a cookie to the client
// (so that we can personalize the home page's welcome
// message), and then redirects the browser back to the
// originating page.
//
//*******************************************************
private void RegisterBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
// Only attempt a login if all form fields on the page are valid
if (Page.IsValid == true)
{
// Store off old temporary shopping cart ID
IBuySpy.ShoppingCartDB shoppingCart = new IBuySpy.ShoppingCartDB();
String tempCartId = shoppingCart.GetShoppingCartId();
// Add New Customer to CustomerDB database
IBuySpy.CustomersDB accountSystem = new IBuySpy.CustomersDB();
String customerId = accountSystem.AddCustomer(Name.Text, Email.Text, Password.Text);
if (customerId != "")
{
// Set the user's authentication name to the customerId
FormsAuthentication.SetAuthCookie(customerId, false);
// Migrate any existing shopping cart items into the permanent shopping cart
shoppingCart.MigrateCart(tempCartId, customerId);
// Store the user's fullname in a cookie for personalization purposes
Response.Cookies["IBuySpy_FullName"].Value = Server.HtmlEncode(Name.Text);
// Redirect browser back to shopping cart page
Response.Redirect("ShoppingCart.aspx");
}
else
{
MyError.Text = "Registration failed: That email address is already registered.<br><img align=left height=1 width=92 src=images/1x1.gif>";
}
}
}
//*******************************************************
//
// The Page_Load event on this page is used to add the
// identified product to the user's shopping cart, and then immediately
// redirect to the shoppingcart page (this avoids problems were a user hits
// "refresh" and accidentally adds another product to the cart)
//
// The product to add to the cart is specified using
// a querystring argument to the page.
//
//*******************************************************
private void Page_Load(object sender, System.EventArgs e)
{
if (Request.Params["ProductID"] != null)
{
IBuySpy.ShoppingCartDB cart = new IBuySpy.ShoppingCartDB();
// Obtain current user's shopping cart ID
String cartId = cart.GetShoppingCartId();
// Add Product Item to Cart
cart.AddItem(cartId, Int32.Parse(Request.Params["ProductID"]), 1);
}
Response.Redirect("ShoppingCart.aspx");
}
//*******************************************************
//
// The Page_Load event on this page is used to load the
// ShoppingCart DataGrid *the first time* the page is
// accessed.
//
// Note that subsequent postbacks to the page *do not*
// reload the Datagrid. Instead, we rely on the control's
// built-in viewstate management to rebuild the control
// on the server.
//
//*******************************************************
private void Page_Load(object sender, System.EventArgs e)
{
if (Page.IsPostBack == false)
{
// Calculate end-user's shopping cart ID
IBuySpy.ShoppingCartDB cart = new IBuySpy.ShoppingCartDB();
String cartId = cart.GetShoppingCartId();
// Populate datagrid with shopping cart data
MyDataGrid.DataSource = cart.GetItems(cartId);
MyDataGrid.DataBind();
// Update total price label
TotalLbl.Text = String.Format("{0:c}", cart.GetTotal(cartId));
}
}
//*******************************************************
//
// The CheckoutBtn_Click event is raised when a user clicks
// the "checkout" button on the client. The event handler
// updates all items in the cart back to the database,
// and then redirects the user to the checkout.aspx page
//
//*******************************************************
private void CheckoutBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
// Update Shopping Cart
UpdateShoppingCartDatabase();
// If cart is not empty, proceed on to checkout page
IBuySpy.ShoppingCartDB cart = new IBuySpy.ShoppingCartDB();
// Calculate shopping cart ID
String cartId = cart.GetShoppingCartId();
// If the cart isn't empty, navigate to checkout page
if (cart.GetItemCount(cartId) != 0)
{
Response.Redirect("Checkout.aspx");
}
else
{
MyError.Text = "You can't proceed to the Check Out page with an empty cart.";
}
}
//*******************************************************
//
// The UpdateShoppingCartDatabase helper method is used to
// update a user's items within the shopping cart database
// using client input from the GridControl.
//
//*******************************************************
void UpdateShoppingCartDatabase()
{
IBuySpy.ShoppingCartDB cart = new IBuySpy.ShoppingCartDB();
// Obtain current user's shopping cart ID
String cartId = cart.GetShoppingCartId();
// Iterate through all rows within shopping cart list
for (int i = 0; i < MyList.Items.Count; i++)
{
// Obtain references to row's controls
TextBox quantityTxt = (TextBox)MyList.Items[i].FindControl("Quantity");
CheckBox remove = (CheckBox)MyList.Items[i].FindControl("Remove");
// Wrap in try/catch block to catch errors in the event that someone types in
// an invalid value for quantity
int quantity;
try {
quantity = Int32.Parse(quantityTxt.Text);
// If the quantity field is changed or delete is checked
if (quantity != (int)MyList.DataKeys[i] || remove.Checked == true)
{
Label lblProductID = (Label)MyList.Items[i].FindControl("ProductID");
if (quantity == 0 || remove.Checked == true)
{
cart.RemoveItem(cartId, Int32.Parse(lblProductID.Text));
}
else
{
cart.UpdateItem(cartId, Int32.Parse(lblProductID.Text), quantity);
}
}
}
catch {
MyError.Text = "There has been a problem with one or more of your inputs.";
}
}
}
//*******************************************************
//
// The SubmitBtn_Click event handle is used to order the
// items within the current shopping cart. It then
// displays the orderid and order status to the screen
// (hiding the "SubmitBtn" button to ensure that the
// user can't click it twice).
//
//*******************************************************
private void SubmitBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
IBuySpy.ShoppingCartDB cart = new IBuySpy.ShoppingCartDB();
// Calculate end-user's shopping cart ID
String cartId = cart.GetShoppingCartId();
// Calculate end-user's customerID
String customerId = User.Identity.Name;
if ((cartId != null) && (customerId != null))
{
// Place the order
IBuySpy.OrdersDB ordersDatabase = new IBuySpy.OrdersDB();
int orderId = ordersDatabase.PlaceOrder(customerId, cartId);
//Update labels to reflect the fact that the order has taken place
Header.Text = "Check Out Complete!";
Message.Text = "<b>Your Order Number Is: </b>" + orderId;
SubmitBtn.Visible = false;
}
}
//*******************************************************
//
// The LoginBtn_Click event is used on this page to
// authenticate a customer's supplied username/password
// credentials against a database.
//
// If the supplied username/password are valid, then
// the event handler adds a cookie to the client
// (so that we can personalize the home page's welcome
// message), migrates any items stored in the user's
// temporary (non-persistent) shopping cart to their
// permanent customer account, and then redirects the browser
// back to the originating page.
//
//*******************************************************
private void LoginBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
// Only attempt a login if all form fields on the page are valid
if (Page.IsValid == true)
{
// Save old ShoppingCartID
IBuySpy.ShoppingCartDB shoppingCart = new IBuySpy.ShoppingCartDB();
String tempCartID = shoppingCart.GetShoppingCartId();
// Attempt to Validate User Credentials using CustomersDB
IBuySpy.CustomersDB accountSystem = new IBuySpy.CustomersDB();
String customerId = accountSystem.Login(email.Text, password.Text);
if (customerId != null)
{
// Migrate any existing shopping cart items into the permanent shopping cart
shoppingCart.MigrateCart(tempCartID, customerId);
// Lookup the customer's full account details
IBuySpy.CustomerDetails customerDetails = accountSystem.GetCustomerDetails(customerId);
// Store the user's fullname in a cookie for personalization purposes
Response.Cookies["IBuySpy_FullName"].Value = customerDetails.FullName;
// Make the cookie persistent only if the user selects "persistent" login checkbox
if (RememberLogin.Checked == true)
{
Response.Cookies["IBuySpy_FullName"].Expires = DateTime.Now.AddMonths(1);
}
// Redirect browser back to originating page
FormsAuthentication.RedirectFromLoginPage(customerId, RememberLogin.Checked);
}
else
{
Message.Text = "Login Failed!";
}
}
}
//*******************************************************
//
// The PopulateShoppingCartList helper method is used to
// dynamically populate a GridControl with the contents of
// the current user's shopping cart.
//
//*******************************************************
void PopulateShoppingCartList()
{
IBuySpy.ShoppingCartDB cart = new IBuySpy.ShoppingCartDB();
// Obtain current user's shopping cart ID
String cartId = cart.GetShoppingCartId();
// If no items, hide details and display message
if (cart.GetItemCount(cartId) == 0)
{
DetailsPanel.Visible = false;
MyError.Text = "There are currently no items in your shopping cart.";
}
else
{
// Databind Gridcontrol with Shopping Cart Items
MyList.DataSource = cart.GetItems(cartId);
MyList.DataBind();
//Update Total Price Label
lblTotal.Text = String.Format("{0:c}", cart.GetTotal(cartId));
}
}
