/// <summary>
/// Constructor initializes properties
/// </summary>
/// <param name="carCatalog">Catalog of cars</param>
public AveragePriceCommand(CarCatalog carCatalog)
{
this.Catalog = carCatalog;
}
/// <summary>
/// Constructor initializes properties
/// </summary>
/// <param name="carCatalog">Catalog of cars</param>
/// <param name="brand">Brand for counting</param>
public AveragePriceTypeCommand(CarCatalog carCatalog, string brand)
{
this.Catalog = carCatalog;
this.Brand = brand;
}
/// <summary>
/// Constructor initializes properties
/// </summary>
/// <param name="carCatalog">Catalog of cars</param>
public CountTypesCommand(CarCatalog carCatalog)
{
this.Catalog = carCatalog;
}
/// <summary>
/// Constructor initializes properties
/// </summary>
/// <param name="carCatalog">Catalog of cars</param>
public CountAllCommand(CarCatalog carCatalog)
{
this.Catalog = carCatalog;
}