public IVoucherResponse Redeem(IList <IProduct> products, decimal appliedVouchers)
{
if (products.Where(x => x.ProductCatogery != ProductCatogery.GiftVoucher)
.Sum(x => x.Price) > Threshold && products.Any(x => x.ProductCatogery == ProductCatogery))
{
State = VoucherState.Redeemed;
decimal discountAmount = VoucherPrice > products.Where(x => x.ProductCatogery == ProductCatogery).Sum(x => x.Price) ?
products.Where(x => x.ProductCatogery == ProductCatogery).Sum(x => x.Price) :
VoucherPrice;
return(new VoucherResponse(true, discountAmount));
}
else
{
State = VoucherState.Failed;
ValidationMessage = products.Any(x => x.ProductCatogery == ProductCatogery)?
$"You have not reached the spend threshold for voucher {VoucherReference} . Spend another " +
$"£{(Threshold - products.Where(x => x.ProductCatogery != ProductCatogery.GiftVoucher).Sum(x => x.Price) + decimal.Parse("0.01")).ToString("F")} " +
$"to receive £{VoucherPrice.ToString("F")} from you basket total"
:
$"There are no products in your basket applicable to {Type.ToString()} Voucher {VoucherReference}.";
return(new VoucherResponse(false, default(decimal)));
}
}
public void Print()
{
Console.WriteLine($"1 x £{VoucherPrice.ToString("F")} {VoucherType.Gift.ToString()} Voucher {VoucherReference} applied");
}
public IVoucherResponse Redeem(IList <IProduct> products, decimal appliedVouchers)
{
if (products.Where(x => x.ProductCatogery != ProductCatogery.GiftVoucher)
.Sum(x => x.Price) > VoucherPrice + appliedVouchers)
{
State = VoucherState.Redeemed;
return(new VoucherResponse(true, VoucherPrice));
}
else
{
State = VoucherState.Failed;
ValidationMessage = $"Basket total less than {VoucherType.Gift.ToString()} Voucher {VoucherReference} value £{VoucherPrice.ToString("F")}." +
$" Spend another £{(VoucherPrice + appliedVouchers- products.Where(x => x.ProductCatogery != ProductCatogery.GiftVoucher).Sum(x => x.Price) + decimal.Parse("0.01")).ToString("F")} to apply this Voucher";
return(new VoucherResponse(false, default(decimal)));
}
}
public void Print()
{
Console.WriteLine($"1 x £{VoucherPrice.ToString("F")} off {ProductCatogery.ToString()} in baskets over £{Threshold.ToString("F")} {Type.ToString()} Voucher {VoucherReference} applied");
}