Class: Stall::ShippingFeeCalculatorService

Inherits:
BaseService
  • Object
show all
Defined in:
app/services/stall/shipping_fee_calculator_service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cart) ⇒ ShippingFeeCalculatorService

Returns a new instance of ShippingFeeCalculatorService.



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# File 'app/services/stall/shipping_fee_calculator_service.rb', line 5

def initialize(cart)
  @cart = cart
end

Instance Attribute Details

#cart ⇒ Object (readonly)

Returns the value of attribute cart.



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# File 'app/services/stall/shipping_fee_calculator_service.rb', line 3

def cart
  @cart
end

Instance Method Details

#available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/services/stall/shipping_fee_calculator_service.rb', line 26

def available?
  cart.line_items.length > 0 &&
  cart.try(:shipping_address) &&
  cart.try(:shipment).try(:shipping_method)
end

#call ⇒ Object 



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# File 'app/services/stall/shipping_fee_calculator_service.rb', line 9

def call
  return unless cart.shipment && cart.shipment.shipping_method

  calculator_identifier = cart.shipment.shipping_method.identifier
  calculator_class = Stall::Shipping::Calculator.for(calculator_identifier)

  if calculator_class
    calculator = calculator_class.new(cart, cart.shipment.shipping_method)

    cart.shipment.update_attributes(
      price: calculator.price,
      eot_price: calculator.eot_price,
      vat_rate: calculator.vat_rate
    )
  end
end