an-exercise-in-refactoring-large-methods-in-ruby-example-3

example-3.rb

def update
  render params[:credit_card].present? ? process_order(params) :
                                         create_shipping_contact(params)
end

def process_order(params)
  response = @order.process(params)
  response[:status] == "success" ? { template: "orders/show" } :
                                   { json:     response      }
end

def create_shipping_contact(params)
  if has_ship_options?(params)
    @order.create_shipping_contact(params[:shipping_contact],
                                   params[:shipping_address])
  end
  { template: "orders/show"  }
end

def has_ship_options?(params)
  params[:shipping_contact].present? &&
    params[:shipping_address].present?
end