Sha256: 14e6c169955b8d35efa40dff1a2f474cdf07332fa1166823c6fb823951d0560a
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Size: 615 Bytes
Versions: 14
Compression:
Stored size: 615 Bytes
Contents
module Returnly
module Discounts
class LineItem
attr_reader :adjustment, :order
def initialize(order, adjustment)
@adjustment = adjustment
@order = order
end
def discount_amount(line_item, units = 0)
return 0.0 if units <= 0
return 0.0 if adjustment.adjustable != line_item
units = line_item.quantity if units > line_item.quantity
adjustment.amount * weight_of(line_item, units.to_d)
end
private
def weight_of(line_item, units)
(units / line_item.quantity).round(2, :down)
end
end
end
end
Version data entries
14 entries across 14 versions & 2 rubygems