public IItemDiscountStrategy GetDiscountStrategy(Money price, IMarketingCampaign marketingCampaign)
{
if (marketingCampaign.IsCrazySalesDay())
{
return(new FirstTierDiscountStrategy());
}
if (price > Money.OneThousand)
{
return(new SecondTierDiscountStrategy());
}
if (price > Money.OneHundred && marketingCampaign.IsActive())
{
return(new ThirdTierDiscountStrategy());
}
return(new NoDiscountStrategy());
}
public static IDiscount Create(IMarketingCampaign campaign, IMoney money)
{
if (campaign.IsCrazySalesDay())
{
return(new DiscountCrazySalesDay());
}
if (money.IsMoreThanOneThousand())
{
return(new DiscountOneThousand());
}
if (money.IsMoreThanOneHundred() && campaign.IsActive())
{
return(new DiscountOneHundred());
}
return(new DiscountNoDiscount());
}
public DiscountEngine(IMarketingCampaign marketingCampaign,
IDiscountEngineStrategy discountEngineStrategy)
{
_marketingCampaign = marketingCampaign;
_discountEngineStrategy = discountEngineStrategy;
}
public DiscountEngine(IMarketingCampaign marketingCampaign)
: this(marketingCampaign, new SpecialDiscountEngineStrategy())
{
}
