diff options
Diffstat (limited to 'app')
| -rw-r--r-- | app/controllers/application_controller.rb | 68 |
1 files changed, 62 insertions, 6 deletions
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb index de8d06b..35d6cb4 100644 --- a/app/controllers/application_controller.rb +++ b/app/controllers/application_controller.rb @@ -1,13 +1,14 @@ class ApplicationController < ActionController::Base protect_from_forgery + before_filter :set_locale before_filter :no_cache_header before_filter :no_frame_header + before_filter :language_header ActiveSupport.run_load_hooks(:application_controller, self) protected - rescue_from StandardError do |e| respond_to do |format| format.json { render_json_error(e) } @@ -32,13 +33,59 @@ class ApplicationController < ActionController::Base end helper_method :bold + ## + ## LOCALE + ## + # - # we want to prevent the browser from caching anything, just to be safe. + # URL paths for which we don't enforce the locale as the prefix of the path. # - def no_cache_header - response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate" - response.headers["Pragma"] = "no-cache" - response.headers["Expires"] = "0" + NON_LOCALE_PATHS = /^\/(assets|webfinger|.well-known|rails|key|[0-9]+)($|\/)/ + + # + # Before filter to set the current locale. Possible outcomes: + # + # (a) do nothing for certain routes and requests. + # (b) if path already starts with locale, set I18n.locale and default_url_options. + # (c) otherwise, redirect so that path starts with locale. + # + # If the locale happens to be the default local, no paths are prefixed with the locale. + # + def set_locale + if request.method == "GET" && request.format == 'text/html' && request.path !~ NON_LOCALE_PATHS + if params[:locale] && LOCALES_STRING.include?(params[:locale]) + I18n.locale = params[:locale] + update_default_url_options + else + I18n.locale = http_accept_language.compatible_language_from(I18n.available_locales) || I18n.default_locale + update_default_url_options + if I18n.locale != I18n.default_locale + redirect_to url_for(params.merge(:locale => I18n.locale)) + end + end + else + update_default_url_options + end + end + + def update_default_url_options + if I18n.locale != I18n.default_locale + self.default_url_options[:locale] = I18n.locale + else + self.default_url_options[:locale] = nil + end + end + + ## + ## HTTP HEADERS + ## These are in individual helpers so that controllers can disable them if needed. + ## + + # + # Not necessary, but kind to let the browser know the current locale. + # + def language_header + response.headers["Content-Language"] = I18n.locale.to_s end # @@ -48,4 +95,13 @@ class ApplicationController < ActionController::Base response.headers["X-Frame-Options"] = "DENY" end + # + # we want to prevent the browser from caching anything, just to be safe. + # + def no_cache_header + response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate" + response.headers["Pragma"] = "no-cache" + response.headers["Expires"] = "0" + end + end |