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fab-manager/app/models/cart_item/coupon.rb
2021-04-22 19:24:08 +02:00

27 lines
641 B
Ruby

# frozen_string_literal: true
# A discount coupon applied to the whole shopping cart
class CartItem::Coupon
# @param coupon {String|Coupon} may be nil or empty string if no coupons are applied
def initialize(customer, operator, coupon)
@customer = customer
@operator = operator
@coupon = coupon
end
def coupon
cs = CouponService.new
cs.validate(@coupon, @customer.id)
end
def price(cart_total = 0)
cs = CouponService.new
new_total = cs.apply(cart_total, coupon)
amount = new_total - cart_total
{ amount: amount, total_with_coupon: new_total, total_without_coupon: cart_total }
end
end