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Contents
module Spree
module Tax
module TaxHelpers
private
# Imagine with me this scenario:
# You are living in Spain and you have a store which ships to France.
# Spain is therefore your default tax rate.
# When you ship to Spain, you want the Spanish rate to apply.
# When you ship to France, you want the French rate to apply.
#
# Normally, Spree would notice that you have two potentially applicable
# tax rates for one particular item.
# When you ship to Spain, only the Spanish one will apply.
# When you ship to France, you'll see a Spanish refund AND a French tax.
# This little bit of code at the end stops the Spanish refund from appearing.
#
# For further discussion, see https://github.com/spree/spree/issues/4397 and https://github.com/spree/spree/issues/4327.
def applicable_rates(order)
order_zone_tax_category_ids = rates_for_order(order).flat_map(&:tax_categories).map(&:id)
default_rates_with_unmatched_tax_category = rates_for_default_zone.to_a.delete_if do |default_rate|
(order_zone_tax_category_ids & default_rate.tax_categories.map(&:id)).any?
end
(rates_for_order(order) + default_rates_with_unmatched_tax_category).uniq
end
def rates_for_order(order)
@rates_for_order ||= Spree::TaxRate.for_address(order.tax_address)
end
def rates_for_default_zone
@rates_for_default_zone ||= Spree::TaxRate.for_zone(Spree::Zone.default_tax)
end
def sum_of_included_tax_rates(item)
rates_for_item(item).map(&:amount).sum
end
def rates_for_item(item)
applicable_rates(item.order).select do |rate|
rate.tax_categories.map(&:id).include?(item.tax_category_id)
end
end
end
end
end
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6 entries across 6 versions & 1 rubygems