public void AddAirConditioner(AirConditioner airConditioner)
{
var isDublicate =
this.airConditioners.Any(
c => c.Model == airConditioner.Model);
if (isDublicate)
{
throw new ArgumentException(Constants.Duplicate);
}
else
{
this.airConditioners.Add(airConditioner);
}
}
public void RemoveAirConditioner(AirConditioner airConditioner)
{
this.airConditioners.Remove(airConditioner);
}