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Contents
module Spree
module Tax
# Adjust a single taxable item (line item or shipment)
class ItemAdjuster
attr_reader :item, :order
include TaxHelpers
# @param [Spree::LineItem,Spree::Shipment] item to adjust
# @param [Hash] options like already known tax rates for the order's zone
def initialize(item, options = {})
@item = item
@order = @item.order
# set instance variable so `TaxRate.match` is only called when necessary
@rates_for_order_zone = options[:rates_for_order_zone]
@rates_for_default_zone = options[:rates_for_default_zone]
@order_tax_zone = options[:order_tax_zone]
@skip_destroy_adjustments = options[:skip_destroy_adjustments]
end
# Deletes all existing tax adjustments and creates new adjustments for all
# (geographically and category-wise) applicable tax rates.
#
# Creating the adjustments will also run the ItemAdjustments class and
# persist all taxation and promotion totals on the item.
#
# @return [Array<Spree::Adjustment>] newly created adjustments
def adjust!
return unless order_tax_zone(order)
# Using .destroy_all to make sure callbacks fire
item.adjustments.tax.destroy_all unless @skip_destroy_adjustments
rates_for_item(item).map { |rate| rate.adjust(order_tax_zone(order), item) }
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems