private void ApplyDiscountRule(List <ItemPile> basket, DiscountRule currentRule)
{
foreach (var basketPile in basket)
{
ItemPile rulePile = currentRule.Piles.FirstOrDefault(p => p.Unit == basketPile.Unit);
if (rulePile != null)
{
basketPile.RemoveFromPile(rulePile.Quantity);
}
}
}
public bool IsMatchingRule(List <ItemPile> basket, DiscountRule rule)
{
foreach (ItemPile rulePile in rule.Piles)
{
//not all rules can be applied, so need to check the quantity in the basket
ItemPile basketPile = basket.FirstOrDefault(p => p.Unit == rulePile.Unit && p.Quantity >= rulePile.Quantity);
if (basketPile == null)
{
return(false);
}
}
return(true);
}
