public void Input(string manufacturer, string model, uint amount, double price)
{
CarDealer carDealer = CarDealer.GetInstance();
for (int i = 0; i < amount; i++)
{
carDealer.AddCar(new Car(manufacturer, model, price));
}
}
public string CalculateAveragePrice(string type)
{
double amount = CarDealer.GetInstance().Cars.Where(x => x.Manufacturer == type).Count();
if (amount > 0)
{
double sumPrice = CarDealer.GetInstance().Cars.Where(x => x.Manufacturer == type).Select(x => x.Price).Sum();
return((sumPrice / amount).ToString());
}
else
{
return("There're any cars of this manufacturer added!");
}
}
public string CalculateAveragePrice()
{
double amount = CarDealer.GetInstance().Cars.Count();
if (amount > 0)
{
double sumPrice = CarDealer.GetInstance().Cars.Select(x => x.Price).Sum();
return((sumPrice / amount).ToString());
}
else
{
return("There're any cars added!");
}
}
public string CountTypes()
{
return(CarDealer.GetInstance().Cars.Select(x => x.Manufacturer).Distinct().Count().ToString());
}
public string CountAll()
{
return(CarDealer.GetInstance().Cars.Count.ToString());
}