cargar el css desde el sitio

app/models/site.rb

@@ -304,6 +304,10 @@ class Site
     File.join('/', 'sites', id, path.gsub('..', ''))
   end
 
+  def get_url_from_site(path)
+    "https://#{name}#{path}"
+  end
+
   # El directorio donde se almacenan los sitios
   def self.site_path
     File.join(Rails.root, '_sites')

app/views/layouts/application.html.haml

@@ -6,6 +6,8 @@
     = csrf_meta_tags
     = stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload'
     = javascript_include_tag 'application', 'data-turbolinks-track': 'reload'
+    - if @site.try(:config).try(:dig, 'css')
+      %link{rel: 'stylesheet', type: 'text/css', href: @site.get_url_from_site(@site.config.dig('css'))}
   - style = "background-image: url(#{@site.try(:cover) || image_url('background.jpg')})"
   %body{class: @has_cover ? 'background-cover' : '', style: @has_cover ? style : ''}
     .container-fluid