class GalleriesController < SpotControllerBase
  # some code ...
  
  def update
    if @gallery.update_attributes(params[:gallery])
      create_multiple_files(:gallery, @gallery)
      redirect_to gallery_path(@gallery)
    else
      render action: "edit"
    end
  end

  def create
    @gallery = Gallery.create!(params[:gallery])
    create_multiple_files(:gallery, @gallery)
    redirect_to gallery_path(@gallery)
  end

  private

  def create_multiple_files(parent, record)
    multiple = params[parent][:file_multiple]
    multiple.each { |file| record.photos.create! file: file }
  end
end