private void ApplyPromotion(int lastAlteredproductId, ProductType productType)
{
var cartProducts = GetCartProducts(lastAlteredproductId);
ProductPromotion productPromotion;
if (productType == ProductType.Product)
{
productPromotion = ProductPromotionRepository.GetProductPromotionByProductId(lastAlteredproductId);
}
else if (productType == ProductType.PromoProduct)
{
productPromotion = ProductPromotionRepository.GetProductPromotionByPromoProductId(lastAlteredproductId);
}
else
{
throw new Exception("greska");
}
var promotion = PromotionRepository.GetPromotion(productPromotion.PromotionId);
if (IsProductInCart(productPromotion.PromotionalProductId, false))
{
RemoveCartProduct(productPromotion.PromotionalProductId);
AddCartProduct(productPromotion.PromotionalProductId, productPromotion.PromotionId);
}
}
private bool ArePromotionRequirementsMet(int productId, int promotionId)
{
var promotion = PromotionRepository.GetPromotion(promotionId);
var productPromotion = ProductPromotionRepository.GetProductPromotionByPromotionId(promotionId);
int numberOfProducts = GetNumberOfProductsInCart(productId);
int numberOfRequiredproducts = promotion.NumberOfRequiredproducts;
int numberOfPromotionalProductsInCart = GetCartProducts(productPromotion.PromotionalProductId).FirstOrDefault(p => p.IsPromotion) == null ? 0 : GetCartProducts(productPromotion.PromotionalProductId).FirstOrDefault(p => p.IsPromotion).Quantity;
if (GetCartProducts(productPromotion.PromotionalProductId).FirstOrDefault(p => p.IsPromotion) != null && GetCartProducts(productPromotion.PromotionalProductId).FirstOrDefault(p => p.IsPromotion).Quantity >= promotion.MaximumOccurances)
{
return(false);
}
return(numberOfProducts >= numberOfRequiredproducts && (numberOfPromotionalProductsInCart == 0 || (numberOfProducts / numberOfRequiredproducts > numberOfPromotionalProductsInCart)));
}
private List <ProductType> IsPromotionAvailable(int lastAlteredproductId)
{
List <ProductType> types = new List <ProductType>();
var productPromotionByProductId = ProductPromotionRepository.GetProductPromotionByProductId(lastAlteredproductId);
if (productPromotionByProductId != null &&
ArePromotionRequirementsMet(productPromotionByProductId.ProductId, productPromotionByProductId.PromotionId))
{
types.Add(ProductType.Product);
}
var productPromotionByPromoProductId = ProductPromotionRepository.GetProductPromotionByPromoProductId(lastAlteredproductId);
if (productPromotionByPromoProductId != null && ArePromotionRequirementsMet(productPromotionByPromoProductId.ProductId, productPromotionByPromoProductId.PromotionId))
{
types.Add(ProductType.PromoProduct);
}
return(types);
}
private void LogCartDetails()
{
Console.WriteLine("Current state of cart");
var temp = CartProducts.GroupBy(product => product.Id);
foreach (var cartProduct in temp)
{
var totalQuantity = cartProduct.Sum(p => p.Quantity);
Console.Write($"{cartProduct.First().ToString()}\n" +
$"product Quantity: {cartProduct.Sum(p => p.Quantity)}\n" +
$"cost of products: {cartProduct.Sum(p => p.Price * p.Quantity)}\n");
if (cartProduct.Any(p => p.IsPromotion) && ProductPromotionRepository.GetProductPromotionByProductId(cartProduct.First().Id) != null)
{
Console.Write($"Applied promotion id {ProductPromotionRepository.GetProductPromotionByProductId(cartProduct.First().Id).PromotionId}\n");
}
else if (cartProduct.Any(p => p.IsPromotion) && ProductPromotionRepository.GetProductPromotionByPromoProductId(cartProduct.First().Id) != null)
{
Console.Write($"Applied promotion id {ProductPromotionRepository.GetProductPromotionByPromoProductId(cartProduct.First().Id).PromotionId}\n");
}
}
}
public void RemoveCartProduct(int productId)
{
if (!ProductPromotionRepository.GetProductPromotions().Any(p => p.ProductId == productId))
{
RemoveCartProduct(productId, false);
}
else
{
var productPromotion = ProductPromotionRepository.GetProductPromotionByProductId(productId);
var promotion = PromotionRepository.GetPromotion(productPromotion.PromotionId);
if (IsProductInCart(productPromotion.PromotionalProductId) &&
(!ArePromotionRequirementsMet(productPromotion.ProductId, productPromotion.PromotionId) &&
IsProductInCart(productPromotion.PromotionalProductId, true)))
{
RemoveCartProduct(productId, false);
RemoveCartProduct(productPromotion.PromotionalProductId, true);
AddCartProduct(productPromotion.PromotionalProductId);
}
else
{
RemoveCartProduct(productId, false);
}
}
}
