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Contents
module Workarea
class PriceAdjustmentSet < Array
def select(*args)
self.class.new(super)
end
def reject(*args)
self.class.new(super)
end
def adjusting(type)
select { |a| a.price == type }
end
def sum
super(&:amount).to_m
end
def discounts
select(&:discount?)
end
def +(val)
self.class.new(to_a + val.to_a)
end
def reduce_by_description(type)
amounts = adjusting(type).reduce({}) do |memo, adjustment|
memo[adjustment.description] ||= 0.to_m
memo[adjustment.description] += adjustment.amount
memo
end
self.class.new(
amounts.keys.map do |description|
PriceAdjustment.new(
description: description,
amount: amounts[description]
)
end
)
end
def taxable_share_for(adjustment)
return 0.to_m if taxable_total.zero?
discount_share = adjustment.amount / taxable_total
discount_amount = discount_total * discount_share
adjustment.amount - discount_amount
end
def grouped_by_parent
each_with_object({}) do |adjustment, memo|
memo[adjustment._parent] ||= PriceAdjustmentSet.new
memo[adjustment._parent] << adjustment
end
end
private
def taxable_total
reject { |a| a.discount? || a.data['tax_code'].blank? }.sum(&:amount).to_m
end
def discount_total
discounts.sum(&:amount).to_m.abs
end
end
end
Version data entries
62 entries across 62 versions & 1 rubygems