orbit-basic/app/controllers/pages_controller.rb

class PagesController < ApplicationController
  
  Liquid::Template.register_filter(SnippetFilter)
  
  def show
    @page = Page.find(:first, :conditions => { :name => params[:page_name], :is_published => true })
    
    if @page && !@page.external_link.blank?
      redirect_to @page.external_link
    elsif @page && @page.use_engine
      #model_class = Kernel.const_get( "Announcement" ) # page.use_engine
      redirect_to announcements_path
    elsif @page
      @layout = @page.layout
      @page_content = Liquid::Template.parse(@page.content).render
      @layout_content = (@page.layout)? @layout.content : "{{page_content}}"
      render :text => Liquid::Template.parse(@layout_content).render( 'page_content' => @page_content )
    else
      render :text => '404 not found'
    end
    
  end
  
end