X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/1368f194da3834559c195e6a9e269cd4cb580437..0f6dda6050204cba832bbe290a16181cbca0a77f:/app/controllers/application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 00104b0a1..3eefa4a91 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -101,18 +101,20 @@ class ApplicationController < ActionController::Base
   end
   
   def set_locale
+    response.header['Vary'] = 'Accept-Language'
+
     if @user
       if !@user.languages.empty?
         request.user_preferred_languages = @user.languages
+        response.header['Vary'] = '*'
       elsif !request.user_preferred_languages.empty?
         @user.languages = request.user_preferred_languages
         @user.save
       end
     end
 
-    I18n.locale = request.preferred_language_from(I18n.available_locales) ||
-                  request.compatible_language_from(I18n.available_locales)
-    logger.info("Select #{I18n.locale} matching #{request.user_preferred_languages.join(',')} against #{I18n.available_locales.join(',')}")
+    I18n.locale = request.compatible_language_from(I18n.available_locales)
+
     response.headers['Content-Language'] = I18n.locale.to_s
   end
 
@@ -130,6 +132,8 @@ class ApplicationController < ActionController::Base
     rescue OSM::APIError => ex
       report_error ex.message, ex.status
     rescue Exception => ex
+      logger.info("API threw unexpected #{ex.class} exception: #{ex.message}")
+      ex.backtrace.each { |l| logger.info(l) }
       report_error "#{ex.class}: #{ex.message}", :internal_server_error
     end
   end