Add support for putting the site in an offline mode where it operates

[rails.git] / app / controllers / application.rb

diff --git a/app/controllers/application.rb b/app/controllers/application.rb
index bc61db5f95493e2c51dfcc2378b85883661d5c02..7570fd82a072d2af2d2e70dd0e33cd2d83df391d 100644 (file)
--- a/app/controllers/application.rb
+++ b/app/controllers/application.rb
@@ -2,6 +2,10 @@
 # Likewise, all the methods added will be available for all controllers.
 class ApplicationController < ActionController::Base
 
+  if OSM_STATUS == :database_offline
+    session :off
+  end
+
   def authorize_web
     if session[:user]
       @user = User.find(session[:user])
@@ -9,6 +13,9 @@ class ApplicationController < ActionController::Base
       @user = User.authenticate(:token => session[:token])
       session[:user] = @user.id
     end
+  rescue Exception => ex
+    logger.info("Exception authorizing user: #{ex.to_s}")
+    @user = nil
   end
 
   def require_user
@@ -36,8 +43,22 @@ class ApplicationController < ActionController::Base
     end 
   end 
 
-  def check_availability
-    if API_READONLY
+  def check_database_availability
+    if OSM_STATUS == :database_offline
+      redirect_to :controller => 'site', :action => 'offline'
+    end
+  end
+
+  def check_read_availability
+    if OSM_STATUS == :database_offline or OSM_STATUS == :api_offline
+      response.headers['Error'] = "Database offline for maintenance"
+      render :nothing => true, :status => :service_unavailable
+      return false
+    end
+  end
+
+  def check_write_availability
+    if OSM_STATUS == :database_offline or OSM_STATUS == :api_offline or OSM_STATUS == :api_readonly
       response.headers['Error'] = "Database offline for maintenance"
       render :nothing => true, :status => :service_unavailable
       return false