The 'current agenda' url can fail between meetings, when the 'current meeting number' has been bumped up, but not all relevant information has been entered yet. Fall back to the most recent meeting for which an agenda can be produced in that case.

 - Legacy-Id: 1926

Author: levkowetz

ietf/meeting/views.py

@@ -5,7 +5,7 @@
 from django.shortcuts import render_to_response as render, get_object_or_404
 from ietf.proceedings.models import Meeting, MeetingTime, WgMeetingSession, MeetingVenue, IESGHistory, Proceeding, Switches
 from django.views.generic.list_detail import object_list
-from django.http import HttpResponseRedirect, HttpResponse
+from django.http import HttpResponseRedirect, HttpResponse, Http404
 from django.core.urlresolvers import reverse
 from django.db.models import Q
 from django.template import RequestContext
@@ -58,19 +58,29 @@ def get_plenary_agenda(meeting_num, id):
         return "The Plenary has not been scheduled"
 
 def agenda_info(num=None):
-    if not num:
-        num = list(Meeting.objects.all())[-1].meeting_num
-    timeslots = MeetingTime.objects.select_related().filter(meeting=num).order_by("day_id", "time_desc")
-    update = get_object_or_404(Switches,id=1)
-    meeting=get_object_or_404(Meeting, meeting_num=num)
-    venue = get_object_or_404(MeetingVenue, meeting_num=num)
-    ads = list(IESGHistory.objects.select_related().filter(meeting=num))
+    if num:
+        meetings = [ num ]
+    else:
+        meetings =list(Meeting.objects.all())
+        meetings.reverse()
+        meetings = [ meeting.meeting_num for meeting in meetings ]
+    for n in meetings:
+        try:
+            timeslots = MeetingTime.objects.select_related().filter(meeting=n).order_by("day_id", "time_desc")
+            update = Switches.objects.get(id=1)
+            meeting= Meeting.objects.get(meeting_num=n)
+            venue  = MeetingVenue.objects.get(meeting_num=n)
+            break
+        except (MeetingTime.DoesNotExist, Switches.DoesNotExist, Meeting.DoesNotExist, MeetingVenue.DoesNotExist):
+            continue
+    else:
+        raise Http404("No meeting information for meeting %s available" % num)
+    ads = list(IESGHistory.objects.select_related().filter(meeting=n))
     if not ads:
-        ads = list(IESGHistory.objects.select_related().filter(meeting=str(int(num)-1)))
+        ads = list(IESGHistory.objects.select_related().filter(meeting=str(int(n)-1)))
     ads.sort(key=(lambda item: item.area.area_acronym.acronym))
-    plenaryw_agenda = get_plenary_agenda(num, -1)
-    plenaryt_agenda = get_plenary_agenda(num, -2)
-
+    plenaryw_agenda = get_plenary_agenda(n, -1)
+    plenaryt_agenda = get_plenary_agenda(n, -2)
     return timeslots, update, meeting, venue, ads, plenaryw_agenda, plenaryt_agenda
 
 def html_agenda(request, num=None):