public OrderEntity Create(ProductEntity product, int quantity, CampaignEntity campaign, int currentTime)
{
if (product.Stock < quantity)
{
throw new InsufficientStockException();
}
OrderEntity order;
if (campaign != null)
{
var sellingPrice = _productPriceService.CalculateDiscountedPrice(campaign, product.Price, currentTime);
order = new OrderEntity(product.ProductCode, quantity, sellingPrice, campaign.Id);
campaign.NotifyOrderCreation(quantity, order.Price);
}
else
{
order = new OrderEntity(product.ProductCode, quantity, product.Price);
}
product.DecreaseStock(quantity);
return(order);
}
public async Task <GetProductInfoResponse> Handle(GetProductInfoQuery request, CancellationToken cancellationToken)
{
var product = await _productRepository.FindOneAsync(x => x.ProductCode == request.ProductCode);
if (product == null)
{
throw new ProductNotFoundException();
}
var productCampaigns = await _campaignRepository.FindAsync(x => x.ProductCode == request.ProductCode);
var productActiveCampaign = productCampaigns.FirstOrDefault(x => x.IsActive(_timeService.CurrentTime));
var sellingPrice = _productPriceService.CalculateDiscountedPrice(productActiveCampaign, product.Price, _timeService.CurrentTime);
return(new GetProductInfoResponse(product, sellingPrice));
}
public void CalculateDiscountedPrice_Should_Return_listingPrice_If_Campaign_Null_Or_Ended(decimal price)
{
var sellingPrice = _productPriceService.CalculateDiscountedPrice(null, price, 0);
Assert.Equal(price, sellingPrice);
}
