Initial release of Discourse

app/controllers/exceptions_controller.rb

@@ -0,0 +1,15 @@
+class ExceptionsController < ApplicationController
+  skip_before_filter :check_xhr
+  skip_before_filter :check_restricted_access
+  layout 'no_js'
+
+  def not_found
+    f = Topic.where(deleted_at: nil, archetype: "regular")
+
+    @popular = f.order('views desc').take(10)     
+    @recent = f.order('created_at desc').take(10)
+    @slug =  params[:slug].class == String ? params[:slug] : ''
+    @slug.gsub!('-',' ')
+    render status: 404
+  end
+end