/// <summary>
/// Ensures that only applicable shipping options are displayed in selector.
/// </summary>
/// <param name="ds">Dataset with shipping options.</param>
protected override DataSet OnAfterRetrieveData(DataSet ds)
{
if (DataHelper.IsEmpty(ds) || (ShoppingCart == null))
{
return(ds);
}
foreach (DataRow shippingRow in ds.Tables[0].Select())
{
ShippingOptionInfo shippingOptionInfo;
if (UseNameForSelection)
{
var shippingName = DataHelper.GetStringValue(shippingRow, "ShippingOptionName");
shippingOptionInfo = ShippingOptionInfoProvider.GetShippingOptionInfo(shippingName, ShoppingCart.SiteName);
}
else
{
var shippingID = DataHelper.GetIntValue(shippingRow, "ShippingOptionID");
shippingOptionInfo = ShippingOptionInfoProvider.GetShippingOptionInfo(shippingID);
}
// Do not remove already selected item even if the option is not applicable anymore
// The user would see a different value in UI as is actually stored in the database
var canBeRemoved = !EnsureSelectedItem || (ShoppingCart.ShoppingCartShippingOptionID != shippingOptionInfo.ShippingOptionID);
if (canBeRemoved && !ShippingOptionInfoProvider.IsShippingOptionApplicable(ShoppingCart, shippingOptionInfo))
{
ds.Tables[0].Rows.Remove(shippingRow);
}
}
return(ds);
}
/// <summary>
/// Validates shopping cart content.
/// </summary>
public override bool IsValid()
{
// Force loading current values
ShoppingCart.Evaluate();
// Check inventory
var checkResult = ShoppingCartInfoProvider.CheckShoppingCart(ShoppingCart);
// Check if selected shipping option is applicable
if (!ShippingOptionInfoProvider.IsShippingOptionApplicable(ShoppingCart, ShoppingCart.ShippingOption))
{
checkResult.ShippingOptionNotAvailable = true;
}
if (checkResult.CheckFailed)
{
lblError.Text = checkResult.GetHTMLFormattedMessage();
return(false);
}
// Check if cart contains at least one product
if (ShoppingCart.IsEmpty)
{
lblError.Text = GetString("com.checkout.cartisempty");
return(false);
}
return(true);
}
/// <summary>
/// Checks whether selected shipping option and payment method are valid for given cart.
/// </summary>
protected bool CheckShippingAndPayment(ShoppingCartInfo cart, out string message)
{
message = String.Empty;
if (!ShippingOptionInfoProvider.IsShippingOptionApplicable(cart, cart.ShippingOption))
{
message = GetString("com.checkout.shippingoptionnotapplicable");
return(false);
}
if (!cart.IsShippingNeeded && (cart.ShippingOption != null))
{
// Just remove the shipping option if shipping is not needed
cart.ShoppingCartShippingOptionID = 0;
}
if (!cart.IsShippingNeeded && (cart.PaymentOption != null) && (!cart.PaymentOption.PaymentOptionAllowIfNoShipping))
{
// The selected payment is not applicable with no shipping
message = GetString("com.checkout.paymentnoshipping");
return(false);
}
return(true);
}
/// <summary>
/// Ensures that only applicable shipping options are displayed in selector.
/// </summary>
/// <param name="ds"></param>
/// <returns></returns>
protected override DataSet OnAfterRetrieveData(DataSet ds)
{
if ((ds == null) || (ShoppingCart == null))
{
return(ds);
}
var shippingOptions = ds.Tables[0].Select();
foreach (DataRow optionRow in shippingOptions)
{
int optionID = ValidationHelper.GetInteger(optionRow["ShippingOptionID"], 0);
ShippingOptionInfo option = ShippingOptionInfoProvider.GetShippingOptionInfo(optionID);
if ((option != null) && !ShippingOptionInfoProvider.IsShippingOptionApplicable(ShoppingCart, option))
{
ds.Tables[0].Rows.Remove(optionRow);
}
}
return(ds);
}
