public void Update(IMyObservable observevable)
{
Stock stock = observevable as Stock;
if (stock.BTCCourse <= this.CourseForBuy)
{
if (this.SummForBuy * stock.BTCCourse < this.USD)
{
this.BTC += this.SummForBuy;
this.USD -= this.SummForBuy * stock.BTCCourse;
this.SummForBuy = 0;
}
}
else
{
if (stock.BTCCourse >= this.CourseForSell)
{
if (this.BTC > this.SummForSell)
{
this.USD += this.SummForSell * stock.BTCCourse;
this.BTC -= this.SummForSell;
this.SummForSell = 0;
}
}
}
}
public void StopSubscrive()
{
source.RemoveObserver(this);
source = null;
}
public ConcreteObserverB(string name, IMyObservable obs)
{
this.Name = name;
source = obs;
source.RegisterObserver(this);
}