I have a zen site with a customized quantity factor.
The idea here, is that we need to enable the customer to choose a zero quantity for either one of these fields. (but not both)TP = total price
BP = base price
Q1+Q2 = quantities
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This formula is how totals are calulated on the site:
TP = BP + (Q1 x BP) + ((Q2 - 1) x BP)
according to my calculations, zeros will conform to this method as well.
TP = BP + (0xBP) + (-1BP) = 0
This method works for the most part - but I am concerned about potential ZERO orders being processed.
if both quantities are set to zero, the order total will be zero - but since it's set with attributes, it seems to me that this order would try to process - leaving a record of a purchase where the quantities and totals are both zero.
Not sure what paypal would do with that, if anything, but I would like to block processing of any order with a zero total, perhaps generating an error code.
Is there any existing contribution that will do this, or does anyone have some ideas?
Thanks in advance,
Chris
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