app/controllers/site.rb

   1 class Site < Application
   2   session :off
   3
   4   no_login_required
   5
   6   attr_accessor :config, :cache
   7
   8   def initialize
   9     @config = MerbRadiant::Config
  10     @cache = ResponseCache.instance
  11   end
  12
  13   def show_page
  14     response.headers.delete('Cache-Control')
  15
  16     url = params[:url]
  17     if Array === url
  18       url = url.join('/')
  19     else
  20       url = url.to_s
  21     end
  22
  23     if (request.get? || request.head?) and live? and (@cache.response_cached?(url))
  24       @cache.update_response(url, response, request)
  25       @performed_render = true
  26     else
  27       show_uncached_page(url)
  28     end
  29   end
  30
  31   private
  32
  33     def find_page(url)
  34       found = Page.find_by_url(url, live?)
  35       found if found and (found.published? or dev?)
  36     end
  37
  38     def process_page(page)
  39       page.process(request, response)
  40     end
  41
  42     def show_uncached_page(url)
  43       @page = find_page(url)
  44       unless @page.nil?
  45         process_page(@page)
  46         @cache.cache_response(url, response) if request.get? and live? and @page.cache?
  47         @performed_render = true
  48       else
  49         render :template => 'site/not_found', :status => 404
  50       end
  51     rescue Page::MissingRootPageError
  52       redirect_to welcome_url
  53     end
  54
  55     def dev?
  56       if dev_host = @config['dev.host']
  57         request.host == dev_host
  58       else
  59         request.host =~ /^dev\./
  60       end
  61     end
  62
  63     def live?
  64       not dev?
  65     end
  66
  67 end