public virtual void ChangePrice(decimal newPrice)
{
var priceHistory = new ProductPriceHistory(Id, Price);
priceHistory.HasChangedPrice(newPrice);
PriceHistories.Add(priceHistory);
OldPrice = Price;
Price = newPrice;
}
public virtual void SetSpecialPrice(decimal specialPrice, DateTime startDate, DateTime?endDate = null)
{
if (startDate < DateTime.Now)
{
throw new ArgumentException("Can not set start date in the past!", nameof(startDate));
}
if (endDate.HasValue && endDate <= startDate)
{
throw new ArgumentException("Can not set end date in the past of start date!", nameof(endDate));
}
var priceHistory = new ProductPriceHistory(Id, Price);
priceHistory.HasSpecialPriceSet(specialPrice, startDate, endDate);
SpecialPrice = specialPrice;
SpecialPriceStart = startDate;
SpecialPriceEnd = endDate;
}
