public SupportSlot AddSlot(SupportEngineer engeneer)
{
if (IsFilled)
{
throw new InvalidOperationException();
}
var supportSlot = new SupportSlot
{
Engeneer = engeneer,
Date = _date
};
_slots.Add(supportSlot);
return(supportSlot);
}
public void AddSupportSlot(SupportSlot slot)
{
_slots.Add(slot);
}