I have a typical CFC-based
shopping cart (ShoppingCart object holds a struct of CartItem objects).
This works well and I have no real problem with it.
However, I now need to
implement a pretty robust coupon/discount functionality into the app, and I
can't seem to figure out how to do it. I need to allow for four types of
coupons:
(1) Whole order coupon (NN%
off entire order)
(2) Single item coupon (NN%
off this item)
(3) Multiple item coupon
(buy one (or two), get the 2nd (or third) NN% off)
(4) Free item coupon (buy
this item, get a free toaster)
I think I can figure
out how to model a single coupon type, but as I'm an OOP newb, figuring out how
to model and implement the whole range has got my head
spinning.
Can anyone point me in the right
direction?
Jim McMullen
Devlab, Inc.
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