/// <summary>
/// show all related carts
/// </summary>
/// <param name="userName">cart owner name</param>
/// <returns>list of all carts made by user</returns>
internal List <Cart> ShowCarts(string userName)
{
CartDataAccess dataAccess = new CartDataAccess();
UserDataAccess user = new UserDataAccess();
return(dataAccess.GetCartUId(userName, "", false));
}
/// <summary>
/// show detail information about the cart
/// </summary>
/// <param name="cartId">the cartId</param>
/// <returns>the cart</returns>
internal Cart ShowCart(string cartId)
{
Cart cart = new Cart();
CartDataAccess dataAccess = new CartDataAccess();
cart = dataAccess.GetCart(Convert.ToInt32(cartId), "", false).FirstOrDefault();
return(cart);
}
private void dataGridViewMyCart_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (dataGridViewMyCart.Columns[e.ColumnIndex].Name == "Detail" && e.RowIndex >= 0)
{
string ISBN_Value = dataGridViewMyCart.Rows[e.RowIndex].Cells["ISBN"].Value.ToString();
if (!BookDataAccess.IsBookExisted(ISBN_Value))
{
MessageBox.Show("错误：图书不存在");
return;
}
var book = BookDataAccess.GetFullBookByISBN(ISBN_Value);
BookDetailForm bookDetailForm = new BookDetailForm();
SendBookInfoEvent += bookDetailForm.ShowBookDetail;
SendBookInfoEvent.Invoke(book);
bookDetailForm.ShowDialog();
}
else if (dataGridViewMyCart.Columns[e.ColumnIndex].Name == "Edit" && e.RowIndex >= 0)
{
string ISBN_Value = dataGridViewMyCart.Rows[e.RowIndex].Cells["ISBN"].Value.ToString();
if (!BookDataAccess.IsBookExisted(ISBN_Value))
{
MessageBox.Show("错误：图书不存在");
return;
}
var book = BookDataAccess.GetFullBookByISBN(ISBN_Value);
CartItemAmountForm cartItemAmountForm = new CartItemAmountForm();
SendCartInfoEvent += cartItemAmountForm.GetInfo;
SendCartInfoEvent.Invoke(book, false);
cartItemAmountForm.ShowDialog();
ShowAllCartData();
}
else if (dataGridViewMyCart.Columns[e.ColumnIndex].Name == "CheckOut" && e.RowIndex >= 0)
{
string ISBN_Value = dataGridViewMyCart.Rows[e.RowIndex].Cells["ISBN"].Value.ToString();
var book = BookDataAccess.GetFullBookByISBN(ISBN_Value);
int amount = CartDataAccess.SelectAmount(CustomerInfo.customer.Id, ISBN_Value);
SubmitOrderForm submitOrderForm = new SubmitOrderForm();
SendOrderInfoEvent += submitOrderForm.GetOrderInfo;
SendOrderInfoEvent.Invoke(book, amount);
submitOrderForm.ShowDialog();
ShowAllCartData();
}
else if (dataGridViewMyCart.Columns[e.ColumnIndex].Name == "Delete" && e.RowIndex >= 0)
{
string ISBN_Value = dataGridViewMyCart.Rows[e.RowIndex].Cells["ISBN"].Value.ToString();
try
{
CartDataAccess.DeleteCartItem(CustomerInfo.customer.Id, ISBN_Value);
MessageBox.Show("删除成功");
}
catch (Exception ex)
{
MessageBox.Show("删除失败\r\n" + ex.Message);
}
ShowAllCartData();
}
}
private void UpdateCartItem()
{
try
{
CartDataAccess.UpdateCartItem(CustomerInfo.customer.Id, _book.ISBN, (int)numericUpDownAmount.Value);
MessageBox.Show("修改成功");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void AddToCart()
{
try
{
CartDataAccess.InsertItem(CustomerInfo.customer, _book, (int)numericUpDownAmount.Value);
MessageBox.Show("加入购物车成功");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void iconButtonSubmit_Click(object sender, EventArgs e)
{
if (_book == null)
{
MessageBox.Show("错误：找不到图书");
return;
}
try
{
CustomerOrderDataAccess.SubmitOrder(CustomerInfo.customer.Id, _book.ISBN, _amount, _totalPrice, DateTime.Now);
CartDataAccess.DeleteCartItem(CustomerInfo.customer.Id, _book.ISBN);
MessageBox.Show("提交订单成功");
Close();
}
catch (Exception ex)
{
MessageBox.Show("提交订单失败\r\n" + ex.Message);
}
}
/// <summary>
/// Add item in cart
/// </summary>
/// <param name="amount">the amout of item</param>
/// <param name="productId">item productId</param>
/// <param name="userName">the one who ordered item</param>
/// <param name="cartId">item cartId, null if no cart created in this session</param>
public void AddToCart(string amount, string productId, string userName, string cartId)
{
Cart cart = new Cart();
CartItem cartItem = new CartItem();
cartItem.Amount = Convert.ToInt32(amount);
cartItem.ProductID = Convert.ToInt32(productId);
CartDataAccess dataAccess = new CartDataAccess();
if (cartId == "")
{
cart.CartID = 0;
cart.UserName = userName;
cart.Items.Add(cartItem);
}
else
{
cart = dataAccess.GetCart(Convert.ToInt32(cartId), "", false).First();
cart.Items.Add(cartItem);
}
dataAccess.CartUpdate(cart);
}
private void ShowAllCartData()
{
try
{
dataGridViewMyCart.Rows.Clear();
var items = CartDataAccess.GetCartItems(CustomerInfo.customer.Id);
foreach (var item in items)
{
int rowId = dataGridViewMyCart.Rows.Add();
DataGridViewRow row = dataGridViewMyCart.Rows[rowId];
row.Cells["ISBN"].Value = item.Book.ISBN;
row.Cells["Title"].Value = item.Book.Title;
row.Cells["Amount"].Value = item.Amount;
row.Cells["Price"].Value = item.Book.Price;
row.Cells["TotalPrice"].Value = item.Book.Price * item.Amount;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public Cart()
{
InitializeComponent();
this.dataAccess = new CartDataAccess();
}
public CartService(CartDataAccess dao)
{
_dao = dao;
}
