public bool IfFlowerExistInPriceList(IFlower flower) { return(prices.Exists(x => x.GetFlowerName() == flower.GetFlowerName())); }
public int GetFlowerCharge(IFlower flower) { var price = prices.Where(x => x.GetFlowerName() == flower.GetFlowerName()).FirstOrDefault(); return(flower.GetFlowerAmount() * price.GetFlowerPrice()); }