Move the calendar to its own controller

app/controllers/calendar_controller.rb

@@ -0,0 +1,21 @@
+class CalendarController < ApplicationController
+  def show
+    @source_view = 'calendar'
+    @page_title = t('todos.calendar_page_title')
+
+    @calendar = Todos::Calendar.new(current_user)
+    @projects = @calendar.projects
+    @count = current_user.todos.not_completed.are_due.count
+    @due_all = current_user.todos.not_completed.are_due.reorder("due")
+
+    respond_to do |format|
+      format.html
+      format.ics   {
+        render :action => 'calendar', :layout => false, :content_type => Mime::ICS
+      }
+      format.xml {
+        render :xml => @due_all.to_xml( *to_xml_params )
+      }
+    end
+  end
+end