Controller action as big logic

ip_address.rb

    def destroy
        ip_address          = Onapp::IpAddressJoin.find params[:id]
          virtual_machine     = ip_address.virtual_machine
          path   = virtual_machine_ip_address_joins_path(virtual_machine)
          result = ip_address.api_delete

          if result.body.errors
            redirect_to(path, alert: result.body.errors.join(', '))
          else
            vm.reboot if params[:need_reboot]
            redirect_to path, notice: t('controller.success.delete')
          end
      end