/// <summary>
/// Attempts to add the coupons discounts to the invoice
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <returns>
/// The <see cref="Attempt"/>.
/// </returns>
public override Attempt<IInvoice> PerformTask(IInvoice value)
{
// check if there are any coupon offers
if (!SalePreparation.OfferCodes.Any()) return Attempt<IInvoice>.Succeed(value);
if (!(SalePreparation is IBasketSalePreparation))
return Attempt<IInvoice>.Fail(value, new InvalidCastException("SalePreparation object is not IBasketSalePreparation"));
_basketSalePreparation = SalePreparation as IBasketSalePreparation;
foreach (var code in SalePreparation.OfferCodes)
{
var foundCoupon = CouponOfferManager.GetByOfferCode(code, SalePreparation.Customer);
if (!foundCoupon.Success)
{
continue;
}
var coupon = foundCoupon.Result;
var clone = LineItemExtensions.CreateNewItemCacheLineItemContainer(value.Items.Where(x => x.LineItemType != LineItemType.Tax));
var apply = coupon.TryApply(clone, this.SalePreparation.Customer).AsCouponRedemptionResult(coupon);
if (apply.Success)
{
this.CouponOfferManager.SafeAddCouponAttemptContainer<InvoiceLineItem>(value, apply, true);
}
}
return Attempt<IInvoice>.Succeed(value);
}
/// <summary>
/// Attempts to add the coupons discounts to the invoice
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <returns>
/// The <see cref="Attempt"/>.
/// </returns>
public override Attempt <IInvoice> PerformTask(IInvoice value)
{
// check if there are any coupon offers
if (!this.SalePreparation.OfferCodes.Any())
{
return(Attempt <IInvoice> .Succeed(value));
}
if (!(this.SalePreparation is IBasketSalePreparation))
{
return(Attempt <IInvoice> .Fail(value, new InvalidCastException("SalePreparation object is not IBasketSalePreparation")));
}
this._basketSalePreparation = this.SalePreparation as IBasketSalePreparation;
foreach (var code in this.SalePreparation.OfferCodes)
{
var foundCoupon = this.CouponOfferManager.GetByOfferCode(code, this.SalePreparation.Customer);
if (!foundCoupon.Success)
{
continue;
}
var coupon = foundCoupon.Result;
var clone = LineItemExtensions.CreateNewItemCacheLineItemContainer(value.Items.Where(x => x.LineItemType != LineItemType.Tax));
var apply = coupon.TryApply(clone, this.SalePreparation.Customer).AsCouponRedemptionResult(coupon);
if (apply.Success)
{
this.CouponOfferManager.SafeAddCouponAttemptContainer <InvoiceLineItem>(value, apply, true);
}
}
return(Attempt <IInvoice> .Succeed(value));
}
