private void btnAddProductToList_Click(object sender, EventArgs e)
{
SetTotalPrice();
Product product = productController.GetProductById
(Convert.ToInt32(cmbProductList.SelectedValue));
string addedProductDetail;
foreach (var item in productsInCart)
{
if (item.ProductID == product.ProductID)
{
item.Quantity += Convert.ToInt32(numericQuantity.Value);
MessageBox.Show($"There is already a product named {product.ProductName} in the shopping cart. On checkout, first discount rate will be applied on the extra products.");
addedProductDetail = $"{product.ProductName}, Quantity:{numericQuantity.Value}, Total Price:{priceWithoutDiscount}";
lstAddedProducts.Items.Add(addedProductDetail);
return;
}
}
addedProductDetail = $"{product.ProductName}, Quantity:{numericQuantity.Value}, Total Price:{finalPrice}";
lstAddedProducts.Items.Add(addedProductDetail);
ShoppingCartAddedProduct addedProduct = new ShoppingCartAddedProduct
{
ProductID = product.ProductID,
Quantity = Convert.ToInt32(numericQuantity.Value),
UnitPrice = (decimal)product.UnitPrice,
Discount = Convert.ToDecimal(cmbDiscountList.SelectedValue)
};
productsInCart.Add(addedProduct);
}
void Apply(ShoppingCartAddedProduct e)
{
var temp = _items.SingleOrDefault(i => i.ProductId == e.ProductId);
if (temp == null)
{
_items.Add(new ShoppingCartItem()
{
ProductId = e.ProductId, UnitPrice = e.UnitPrice, Quantity = e.Quantity, TotalPrice = e.TotalPrice
});
}
else
{
temp.Quantity = e.Quantity;
temp.TotalPrice = e.TotalPrice;
temp.UnitPrice = e.UnitPrice;
}
}
public void Handle(ShoppingCartAddedProduct e)
{
PreCalculateShoppingCart(e.Id, e.ProductId, e.Quantity);
}
