Chained promotions
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Key: OFBIZ-228
URL:
http://issues.apache.org/jira/browse/OFBIZ-228 Project: OFBiz (The Open for Business Project)
Issue Type: Wish
Components: product
Reporter: Jacopo Cappellato
Priority: Minor
It would be nice to add support for chained promotions, i.e. promotions applied one after the other to the result of the preceding promotion.
For example:
promo1 = 20% discount
promo2 = 10% discount
If I create an order item with amount = 500
I'd like to have promo1 applied to it:
20% of 500 = 100
So 500 - 100 = 400
And then promo2 applied to the result:
10% of 400 = 40
Total discount: 100 + 40
This is taken from a message by David Jones to the user list about this subject.
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If I remember right the promotions calculations are all handled independently, in other words all percentages are based on the items sub-total and don't compound. This was done because there is no facility to specify in which order the promotions are applied, and if compounded like this the order makes a big difference.
It does get a bit complicated and a lot more options could be introduced to the promotions stuff to make them even MORE complicated, like an explicit application order (be careful there though... if they aren't applied in the order that maximizes value to the customer, sometimes they get a little bit ticked off... so for the most part the promo stuff is coded to be the most generous to the customer), or another feature that could be added is to specify for each percentage whether it includes various other promotions or not (this could lead to quite complicated promotion interaction settings...).
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