public Sale(string name, Lot lot, Seller seller, double startPrice,
double increment, TimeSpan duration, Category category)
{
Name = name;
Number = 0;
Lot = lot;
StartTime = DateTime.Now;
_bids = new List<Bid>();
StartPrice = startPrice;
Increment = increment;
Seller = seller;
if (duration < TimeSpan.FromMinutes(1))
{
duration = TimeSpan.FromSeconds(1); //исправить! FromMinutes(1)
}
Duration = duration;
Category = category;
}
public void AddSeller(Seller seller)
{
if (_sellers.Count(s => s.Login == seller.Login) == 0)
_sellers.Add(seller);
else
throw new DuplicateNameException("login is not available");
}