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module Spree
class ShippingRate < Spree::Base
belongs_to :shipment, class_name: 'Spree::Shipment'
belongs_to :tax_rate, -> { with_deleted }, class_name: 'Spree::TaxRate'
belongs_to :shipping_method, -> { with_deleted }, class_name: 'Spree::ShippingMethod', inverse_of: :shipping_rates
extend Spree::DisplayMoney
money_methods :base_price, :final_price, :tax_amount
delegate :order, :currency, :free?, to: :shipment
delegate :name, to: :shipping_method
delegate :code, to: :shipping_method, prefix: true
def display_price
price = display_base_price.to_s
return price if tax_rate.nil? || tax_amount.zero?
Spree.t(
tax_rate.included_in_price? ? :including_tax : :excluding_tax,
scope: 'shipping_rates.display_price',
price: price,
tax_amount: display_tax_amount,
tax_rate_name: tax_rate.name
)
end
alias display_cost display_price
alias_attribute :base_price, :cost
def tax_amount
@tax_amount ||= tax_rate&.calculator&.compute_shipping_rate(self) || BigDecimal(0)
end
# returns base price - any available discounts for this Shipment
# useful when you want to present a list of available shipping rates
def final_price
if free? || cost < -discount_amount
BigDecimal(0)
else
cost + discount_amount
end
end
private
def discount_amount
shipment.adjustments.promotion.sum(:amount)
end
end
end
Version data entries
42 entries across 42 versions & 1 rubygems