instiki/app/controllers/application.rb

62 lines
1.9 KiB
Ruby

require 'url_rewriting_hack'
# The filters added to this controller will be run for all controllers in the application.
# Likewise will all the methods added be available for all controllers.
class ApplicationController < ActionController::Base
# implements Instiki's legacy URLs
require 'url_rewriting_hack'
before_filter :set_utf8_http_header
after_filter :remember_location
# For injecting a different wiki model implementation. Intended for use in tests
def self.wiki=(the_wiki)
# a global variable is used here because Rails reloads controller and model classes in the
# development environment; therefore, storing it as a class variable does not work
# class variable is, anyway, not much different from a global variable
$instiki_wiki_service = the_wiki
logger.debug("Wiki service: #{the_wiki.to_s}")
end
def self.wiki
$instiki_wiki_service
end
protected
def wiki
$instiki_wiki_service
end
@@REMEMBER_NOT = ['locked', 'save']
def remember_location
if @response.headers['Status'] == '200 OK'
unless @@REMEMBER_NOT.include? action_name or @request.method != :get
@session[:return_to] = url_for
logger.debug("Session ##{session.object_id}: remembered URL '#{@session[:return_to]}'")
end
end
end
def return_to_last_remembered
# Forget the redirect location
redirect_target, @session[:return_to] = @session[:return_to], nil
# then try to redirect to it
if redirect_target.nil?
logger.debug("Session ##{session.object_id}: no remembered redirect location, trying /")
redirect_to_url '/'
else
logger.debug("Session ##{session.object_id}: " +
"redirect to the last remembered URL #{redirect_target}")
redirect_to_url(redirect_target)
end
end
def set_utf8_http_header
@response.headers['Content-Type'] = 'text/html; charset=UTF-8'
end
end