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Contents
require_dependency 'spree/calculator'
module Spree
class Calculator::DefaultTax < Calculator
include VatPriceCalculation
def self.description
Spree.t(:default_tax)
end
# Default tax calculator still needs to support orders for legacy reasons
# Orders created before Spree 2.1 had tax adjustments applied to the order, as a whole.
# Orders created with Spree 2.2 and after, have them applied to the line items individually.
def compute_order(order)
matched_line_items = order.line_items.select do |line_item|
line_item.tax_category == rate.tax_category
end
line_items_total = matched_line_items.sum(&:total)
if rate.included_in_price
round_to_two_places(line_items_total - ( line_items_total / (1 + rate.amount) ) )
else
round_to_two_places(line_items_total * rate.amount)
end
end
# When it comes to computing shipments or line items: same same.
def compute_shipment_or_line_item(item)
if rate.included_in_price
deduced_total_by_rate(item.pre_tax_amount, rate)
else
round_to_two_places(item.discounted_amount * rate.amount)
end
end
alias_method :compute_shipment, :compute_shipment_or_line_item
alias_method :compute_line_item, :compute_shipment_or_line_item
def compute_shipping_rate(shipping_rate)
if rate.included_in_price
pre_tax_amount = shipping_rate.cost / (1 + rate.amount)
deduced_total_by_rate(pre_tax_amount, rate)
else
with_tax_amount = shipping_rate.cost * rate.amount
round_to_two_places(with_tax_amount)
end
end
private
def rate
self.calculable
end
def deduced_total_by_rate(pre_tax_amount, rate)
round_to_two_places(pre_tax_amount * rate.amount)
end
end
end
Version data entries
47 entries across 47 versions & 2 rubygems