Free Shipping for VIP customers

gistfile1.txt

# Shipping Script to provide free shipping based on customer tags

class FreeShippingScript
  def initialize(cart, shipping_rates)
    @cart = cart
    @shipping_rates = shipping_rates
    @customer = cart.customer
  end

  def run
    # Replace 'vip' with the tag you want to check
    if @customer && customer_has_tag?('vip')
      apply_free_shipping
    end
  end

  private

  def customer_has_tag?(tag)
    @customer.tags.include?(tag)
  end

  def apply_free_shipping
    @shipping_rates.each do |shipping_rate|
      shipping_rate.apply_discount(shipping_rate.price, message: "Free shipping for VIP customers")
    end
  end
end

# Main execution
script = FreeShippingScript.new(Input.cart, Input.shipping_rates)
script.run
Output.shipping_rates = Input.shipping_rates

Free shipping for customers who are tagged with vip