Sha256: f18159d109f7af8d091b846481d01b0a750aa214ac63a5105b45b3463d22fd9f
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Size: 781 Bytes
Versions: 14
Compression:
Stored size: 781 Bytes
Contents
module Returnly
module Discounts
class Order
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
units = line_item.quantity if units > line_item.quantity
(adjustment.amount * price_percent(line_item) / 100) * weight_of(line_item, units.to_d)
end
private
def price_percent(line_item)
(line_item.price * 100 / order_items_price).round(2, :down)
end
def order_items_price
order.line_items.sum(&:price)
end
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