public bool RemovePromotion(Promotion p)
{
if (p == null)
throw new NullReferenceException();
string name = p.Name;
if (_listpromotion.ContainsKey(name))
{
_listpromotion.Remove(name);
return true;
}
else
{
return false;
}
}
public void AddPromotion(Promotion p)
{
if (p == null)
throw new NullReferenceException();
string name = p.Name;
_listpromotion.Add(name, p);
}
//PROMOTION
public Promotion AddPromotion(string name)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new NullReferenceException();
}
if (_listpromotion.ContainsKey(name))
{
throw new ArgumentException();
}
Promotion promo = new Promotion(name, this);
_listpromotion.Add(name, promo);
return promo;
}