clearCart function

dynamic clearCart()

Implementation

clearCart(){
  cartCouponCode = "";
  cartHint = "";
  cartAnyTime = true;
  cartSelectTime = DateTime.now();
  couponId = "";     // 2746fde7643fgd
  couponCode = "";   // CODE25
  discountType = ""; // "percent" or "fixed"
  discount = 0;      // 12
}