Features
- flexible to add your own coupon model
- support fixed coupons
- support percentage coupons
- calculate the discount value
- calculate total price after discount
Getting started
Usage
final coupon = Coupon.percentage(discountPercentage: 30); // or use Coupon.fixed
num discountValue = coupon.discountValueFor(200) ; // 60
num totalAfterDiscount = coupon.totalAfterDiscount(200); // 140;TODO
- support max discount value
- support Expire date for coupons
