Method: Spree::Calculator::Shipping::FlexiRate#compute_package

Defined in:
app/models/spree/calculator/shipping/flexi_rate.rb

#compute_package(package) ⇒ Object 



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# File 'app/models/spree/calculator/shipping/flexi_rate.rb', line 15

def compute_package(package)
  content_items = package.contents
  sum = 0
  max = self.preferred_max_items.to_i
  items_count = content_items.map(&:quantity).sum
  items_count.times do |i|
    # check max value to avoid divide by 0 errors
    if (max == 0 && i == 0) || (max > 0) && (i % max == 0)
      sum += self.preferred_first_item.to_f
    else
      sum += self.preferred_additional_item.to_f
    end
  end

  sum
end