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

app/views/calendar/show.html.erb

@@ -0,0 +1,13 @@
+<div id="display_box">
+
+  <%= todos_calendar_container(:due_today,            @calendar.due_today           ) %>
+  <%= todos_calendar_container(:due_this_week,        @calendar.due_this_week       ) %>
+  <%= todos_calendar_container(:due_next_week,        @calendar.due_next_week       ) %>
+  <%= todos_calendar_container(:due_this_month,       @calendar.due_this_month      ) %>
+  <%= todos_calendar_container(:due_after_this_month, @calendar.due_after_this_month) %>
+
+</div><!-- End of display_box -->
+<div class="input_box" id="input_box">
+  <p><%= link_to('<span class="feed">iCal</span>'.html_safe, {:format => 'ics', :token => current_user.token}, :title => "iCal feed" ) %>
+  - <%= t('todos.calendar.get_in_ical_format') %></p>
+</div>

app/views/calendar/show.ics.erb

@@ -0,0 +1,32 @@
+BEGIN:VCALENDAR
+PRODID:-//TRACKS//<%= TRACKS_VERSION %>//EN
+VERSION:2.0
+CALSCALE:GREGORIAN
+METHOD:PUBLISH
+X-WR-CALNAME:Tracks
+<% for todo in @due_all 
+  due_date = todo.due
+  overdue_text = ""
+  if due_date.at_midnight < Time.zone.now.at_midnight
+    due_date = Time.zone.now
+    overdue_text = t('todos.overdue') +": "
+  end
+  modified = todo.updated_at || todo.created_at
+%>BEGIN:VEVENT
+DTSTART;VALUE=DATE:<%= due_date.strftime("%Y%m%d") %>
+DTEND;VALUE=DATE:<%= (due_date+1.day).strftime("%Y%m%d") %>
+DTSTAMP:<%= due_date.strftime("%Y%m%dT%H%M%SZ") %>
+UID:<%= todo_url(todo) %>
+CLASS:PUBLIC
+CATEGORIES:Tracks
+CREATED:<%= todo.created_at.strftime("%Y%m%dT%H%M%SZ") %>
+DESCRIPTION:<%= format_ical_notes(todo.notes) %>
+LAST-MODIFIED:<%= modified.strftime("%Y%m%dT%H%M%SZ") %>
+LOCATION:
+SEQUENCE:0
+STATUS:CONFIRMED
+SUMMARY:<%= overdue_text + todo.description %>
+TRANSP:TRANSPARENT
+END:VEVENT
+<% end
+%>END:VCALENDAR