Class: Spree::Calculator::Shipping::FlexiRate

Inherits:
ShippingCalculator show all
Defined in:
app/models/spree/calculator/shipping/flexi_rate.rb

Instance Method Summary collapse

Methods inherited from ShippingCalculator

#available?

Methods inherited from Spree::Calculator

#available?, #compute, description, #description, #to_s

Methods inherited from Base

display_includes

Methods included from Spree::Core::Permalinks

#generate_permalink, #save_permalink

Instance Method Details

#compute_from_quantity(quantity) ⇒ Object 



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# File 'app/models/spree/calculator/shipping/flexi_rate.rb', line 18

def compute_from_quantity(quantity)
  sum = 0
  max = preferred_max_items.to_i
  quantity.times do |index|
    # check max value to avoid divide by 0 errors
    if (max == 0 && index == 0) || (max > 0) && (index % max == 0)
      sum += preferred_first_item.to_f
    else
      sum += preferred_additional_item.to_f
    end
  end

  sum
end

#compute_package(package) ⇒ Object 



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# File 'app/models/spree/calculator/shipping/flexi_rate.rb', line 14

def compute_package(package)
  compute_from_quantity(package.contents.sum(&:quantity))
end