protected void btnAddToCart_Click(object sender, EventArgs e)
{
if (!loginStatus())
{
ClientScript.RegisterClientScriptBlock(this.GetType(),
"{Login first}", "alert('Please Login First!');", true);
}
else
{
OrderAccess oa = new OrderAccess();
ProductAccess pa = new ProductAccess();
SqlDataReader reader = pa.SearchProductByID(product_id);
while (reader.Read()) //while search product succeed
{
//parameters to send in
int order_id = oa.getMaxOrderID() + 1;
int customer_id = Convert.ToInt16(Request.Cookies["user_id"].Value);
DateTime dateTime = DateTime.Now;
float orderTotalPrice = float.Parse(reader.GetDouble(2).ToString()) * Convert.ToInt16(dropdownQuantity.Text);
int orderQuantity = Convert.ToInt16(dropdownQuantity.Text);
int cart_id = Convert.ToInt32(customer_id.ToString() + Request.Cookies["date"].Value);
//generates a unique cart_id
try
{
//save the cart_id to cookie for checkout screen
Response.Cookies["cart_id"].Value = cart_id.ToString();
Response.Cookies["cart_id"].Expires = DateTime.Now.AddDays(10);
//save order thru database layer
oa.SaveOrder(order_id, customer_id, dateTime, product_id, orderTotalPrice, orderQuantity, cart_id);
int a = 1; //identify if it's the first order after login
if (!cartStatus()) //if it's the first order, cart quantity will be 1
{
Response.Cookies["itemQuantity"].Value = a.ToString(); //if so, set 1 to cart quantity
Response.Cookies["itemQuantity"].Expires = DateTime.Now.AddDays(10);
}
else
{
Response.Cookies["itemQuantity"].Value = (Convert.ToInt16(Request.Cookies["itemQuantity"].Value) + 1).ToString();
//if not, plus 1 to the cart quantity
}
ClientScript.RegisterClientScriptBlock(this.GetType(), "{Order Success}", "alert('Order Succesfull Added');window.location.href='Default.aspx' ", true);
}
catch
{
//shoe error to tell item save failed
ClientScript.RegisterClientScriptBlock(this.GetType(),
"{error}", "alert('{productDetail error!}'); window.location.href='Default.aspx'", true);
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
product_id = Convert.ToInt16(Request.QueryString["product_id"]);
ProductAccess pa = new ProductAccess();
SqlDataReader reader = pa.SearchProductByID(product_id);
OrderAccess oa = new OrderAccess();
while (reader.Read())
{
//set the datas to the UI
ImageProduct.ImageUrl = reader.GetString(6);
lblProductName.Text = reader.GetString(5) + " " + reader.GetString(1);
lblPrice.Text = "$" + reader.GetDouble(2);
lblDescription.Text = reader.GetString(3);
}
pa.CloseConnection();
}
protected void linkLogin_Click(object sender, EventArgs e)
{
try
{
if (loginStatus()) //logout; clear all cookies
{
Response.Cookies["name"].Expires = DateTime.MinValue; //delete user cookies
Response.Cookies["user_id"].Expires = DateTime.MinValue;
Response.Cookies["date"].Expires = DateTime.MinValue;
Response.Cookies["roles"].Expires = DateTime.MinValue;
linkLogin.Text = "Login"; //set link to "Login" again
try
{
if (cartStatus()) //if cart item is still there
{
OrderAccess oa = new OrderAccess();
oa.DeleteCart(Request.Cookies["cart_id"].Value); //delete all cart orders from the database
Response.Cookies["cart_id"].Expires = DateTime.MinValue;
Response.Cookies["itemQuantity"].Expires = DateTime.MinValue;
//and delete cart cookie
}
}
catch
{
Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "{error}", "alert('{Master page logout error}');window.location.href='Login.aspx' ", true);
}
Response.Redirect("Login.aspx");
}
else
{
Response.Redirect("Login.aspx");
}
}
catch
{
Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "{error}", "alert('{Master logout error}');window.location.href='Login.aspx' ", true);
}
}
protected void btnDeleteAll_Click(object sender, EventArgs e)
{
string cart_id = Request.Cookies["cart_id"].Value;
OrderAccess oa = new OrderAccess();
try
{
oa.DeleteCart(cart_id);
Response.Cookies["cart_id"].Expires = DateTime.MinValue;
Response.Cookies["itemQuantity"].Expires = DateTime.MinValue;
ClientScript.RegisterClientScriptBlock(this.GetType(), "{delete Success}", "alert('Everything in Cart was deleted! heading back to home');window.location.href='Default.aspx' ", true);
}
catch
{
oa.DeleteCart(cart_id);
ClientScript.RegisterClientScriptBlock(this.GetType(), "{error}", "alert('database connect error');window.location.href='Default.aspx' ", true);
}
}