You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: parcels_controller.rb
    path of file: ./repos/ekylibre/app/controllers/backend
    
    the code of the file until where you have to start completion: # == License
# Ekylibre
    
      def find_parcels
        parcel_ids = params[:id].split(',')
        parcels = parcel_ids.map { |id| Parcel.find_by(id: id) }.compact
        unless parcels.any?
          notify_error :no_parcels_given
          redirect_to(params[:redirect] || { action: :index })
          return nil
        end