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Contents
module Spree
module Stock
class Estimator
attr_reader :order, :currency
def initialize(order)
@order = order
@currency = order.currency
end
def shipping_rates(package, frontend_only = true)
rates = calculate_shipping_rates(package)
rates.select! { |rate| rate.shipping_method.frontend? } if frontend_only
choose_default_shipping_rate(rates)
sort_shipping_rates(rates)
end
private
def choose_default_shipping_rate(shipping_rates)
unless shipping_rates.empty?
shipping_rates.min_by(&:cost).selected = true
end
end
def sort_shipping_rates(shipping_rates)
shipping_rates.sort_by!(&:cost)
end
def calculate_shipping_rates(package)
shipping_methods(package).map do |shipping_method|
cost = shipping_method.calculator.compute(package)
shipping_method.shipping_rates.new(cost: cost) if cost
end.compact
end
def shipping_methods(package)
package.shipping_methods.select do |ship_method|
calculator = ship_method.calculator
begin
calculator.available?(package) &&
ship_method.include?(order.ship_address) &&
(calculator.preferences[:currency].nil? ||
calculator.preferences[:currency] == currency)
rescue Exception => exception
log_calculator_exception(ship_method, exception)
end
end
end
def log_calculator_exception(ship_method, exception)
Rails.logger.info("Something went wrong calculating rates with the #{ship_method.name} (ID=#{ship_method.id}) shipping method.")
Rails.logger.info("*" * 50)
Rails.logger.info(exception.backtrace.join("\n"))
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems