module SnippetFilter
  
  def render_snippet(snippet_name)
    
    snippet = Snippet.first(:conditions => {:name => snippet_name})
    
    if snippet
      return Liquid::Template.parse( snippet.content ).render
    else
      return t('nothing')
    end

  end
  
  def ruling_snippet(snippet_name)
    case snippet_name
      when 'language_bar'
        site = Site.first
        @site_in_use_locales = site.in_use_locales
        @site_valid_locales = site.valid_locales
    end
    return Liquid::Template.parse( eval(File.open("#{RAILS_ROOT}/lib/snippets/#{snippet_name}.snippet").read) ).render
  end
  
end

Liquid::Template.register_filter(SnippetFilter)