app/controllers/pages_controller.rb


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class PagesController < ApplicationController
  
  # Private
  
  before_action :login_required

  def preview
    @page = Page.find(params[:id])

    if @page
      template = @page.valid_template
      render(
        template: template,
        layout: "application"
      )
    end
  end

  def sort_images
    page = Page.find(params[:id])
    page.update_assets(params[:images])
    
    head :ok
  end
end