/// <summary>
/// Apply a new promotional price for the product
/// </summary>
/// <exception cref="ArgumentNullException">Thrown if the given <c>IPromotionPricingRule</c> is null</exception>
/// <param name="theRule">the promotion rule</param>
public void AppyPromotionRule(ISpecialPricingRule theRule)
{
Guard.NotNull(theRule, nameof(theRule));
CurrentPromoPricingRule = theRule;
Price = theRule.OriginalPrice;
IsPromoProduct = true;
}
public void ArrangeWhenPriceApplies()
{
_fixture = new Fixture();
_fixture.Customize(new AutoRhinoMockCustomization());
_pricingRule = _fixture.Create <ISpecialPricingRule>();
_product = _fixture.Create <Product>();
_pricingRule.Stub(r =>
r.IsApplicable(
Arg <ICollection <Product> > .Matches(p => p.First().ProductId == _product.ProductId)))
.Return(true);
_pricingRule.Expect(r =>
r.Apply(Arg <ICollection <Product> > .Matches(p => p.First().ProductId == _product.ProductId)));
_sut = new Checkout(new List <ISpecialPricingRule> {
_pricingRule
});
_sut.AddItem(_product);
}
/// <summary>
/// Apply the given <c>ISpecialPricingRule</c> to the list of <c>StockKeepingUnit</c>
/// </summary>
/// <param name="discountedProducts">The rule to apply</param>
/// <param name="rule">The list on which to apply the rule</param>
private void ApplyDiscountToProducts(List <StockKeepingUnit> discountedProducts, ISpecialPricingRule rule)
{
discountedProducts.ForEach(x => x.AppyPromotionRule(rule));
}
public GenericCalculator(ISpecialPricingRule discountRule)
{
_discountRule = discountRule;
Guard.NotNull(_discountRule, nameof(_discountRule));
}
/// <summary>
/// Set a new price for the product and remove any promo rules currently
/// </summary>
/// <param name="newPrice">The new price for the product after all promotion is ended</param>
public void EndPromo(double newPrice)
{
CurrentPromoPricingRule = null;
Price = newPrice;
IsPromoProduct = false;
}
public void Act()
{
_specialPricingRule = PricingRuleFactory.Create(_pricingRuleDto);
}
