public ActionResult AddCouponCode(string couponCode)
{
// Gets the current user's shopping cart
ShoppingCart currentCart = shoppingService.GetCurrentShoppingCart();
// Adds the coupon code to the shopping cart
// The 'ShoppingCart.AddCouponCode' method automatically recalculates the shopping cart,
// so there is no need to call the Evaluate() method after
if ((couponCode == "") || !currentCart.AddCouponCode(couponCode))
{
// Adds an error message to the model state if the entered coupon code is not valid
ModelState.AddModelError("CouponCodeError", "The entered coupon code is not valid.");
}
// Initializes the shopping cart model
ShoppingCartViewModel model = new ShoppingCartViewModel
{
// Assigns the current shopping cart to the model
Cart = currentCart,
RemainingAmountForFreeShipping = pricingService.CalculateRemainingAmountForFreeShipping(currentCart)
};
// Displays the shopping cart
return(View("ShoppingCart", model));
}
/// <summary>
/// Checks whether entered discount coupon code is usable for this cart and applies it. Returns true if so.
/// </summary>
private bool ApplyDiscountCoupon()
{
if (string.IsNullOrEmpty(CouponCode))
{
return(false);
}
var isApplied = ShoppingCart.AddCouponCode(CouponCode);
if (isApplied)
{
CouponCode = null;
}
ErrorMessage = isApplied ? string.Empty : GetString("ecommerce.error.couponcodeisnotvalid");
return(isApplied);
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
if (ShoppingCart != null)
{
// Do not update order if it is already paid
if (OrderIsPaid)
{
return;
}
if (selectCurrency.SelectedID > 0)
{
ShoppingCart.ShoppingCartCurrencyID = selectCurrency.SelectedID;
}
// Skip if method was called by btnAddProduct
if (sender != btnAddProduct)
{
foreach (GridViewRow row in gridData.Rows)
{
// Get shopping cart item Guid
Guid cartItemGuid = ValidationHelper.GetGuid(((Label)row.Cells[1].Controls[1]).Text, Guid.Empty);
// Try to find shopping cart item in the list
var cartItem = ShoppingCartInfoProvider.GetShoppingCartItem(ShoppingCart, cartItemGuid);
if (cartItem != null)
{
// If product and its product options should be removed
if (((CMSCheckBox)row.Cells[4].Controls[1]).Checked && (sender != null))
{
// Remove product and its product option from list
ShoppingCartInfoProvider.RemoveShoppingCartItem(ShoppingCart, cartItemGuid);
if (!ShoppingCartControl.IsInternalOrder)
{
// Log activity
if (!cartItem.IsProductOption && !cartItem.IsBundleItem)
{
var logger = Service.Resolve <IEcommerceActivityLogger>();
logger.LogProductRemovedFromShoppingCartActivity(cartItem.SKU, cartItem.CartItemUnits, ContactID);
}
// Delete product from database
ShoppingCartItemInfoProvider.DeleteShoppingCartItemInfo(cartItem);
}
}
// If product units has changed
else if (!cartItem.IsProductOption)
{
// Get number of units
int itemUnits = ValidationHelper.GetInteger(((TextBox)(row.Cells[7].Controls[1])).Text.Trim(), 0);
if ((itemUnits > 0) && (cartItem.CartItemUnits != itemUnits))
{
// Update units of the parent product
ShoppingCartItemInfoProvider.UpdateShoppingCartItemUnits(cartItem, itemUnits);
}
}
}
}
}
var couponCode = txtCoupon.Text.Trim();
if (!string.IsNullOrEmpty(couponCode))
{
if (!ShoppingCart.AddCouponCode(couponCode))
{
// Discount coupon is not valid
lblError.Text = GetString("ecommerce.error.couponcodeisnotvalid");
}
else
{
txtCoupon.Text = string.Empty;
}
}
ShoppingCart.Evaluate();
ReloadData();
// Inventory should be checked
checkInventory = true;
}
}
