private string GetCouponKey()
{
var key = _outputReciever.GetStringResponse();
return(key.IsNullOrWhiteSpace()
? null
: key);
}
public void Execute()
{
_outputReciever.ClearScreen();
PrintCartItems();
_outputReciever.WriteLine(new string('-', 20));
_outputReciever.WriteLine($"Total: ${_cartService.GetTotalPrice()}");
_outputReciever.GetStringResponse();
}
public void Execute()
{
_outputReciever.ClearScreen();
_outputReciever.Write("Enter your key: ");
var key = _outputReciever.GetStringResponse();
if (key.IsNullOrWhiteSpace())
{
_outputReciever.WriteError($"Entered key '{key}' does not conform our rules.");
return;
}
var coupon = GetCouponByKey(key);
if (coupon.IsNull())
{
_outputReciever.WriteError($"Coupon with key '{key}' does not exists.");
return;
}
_cartService.AddCartDiscount(coupon.Value);
_outputReciever.WriteInfo($"Coupon added. Discount to cart is {coupon.Value}%");
}
