Changed the week_view() function to calculate a first_regular_session_time also when the meeting has not been populated with any sessions, by using the meeting.date as a proxy value.

- Legacy-Id: 18410

ietf/meeting/views.py

@@ -23,8 +23,6 @@ from urllib.parse import unquote
 from tempfile import mkstemp
 from wsgiref.handlers import format_date_time
 
-import debug                            # pyflakes:ignore
-
 from django import forms
 from django.shortcuts import render, redirect, get_object_or_404
 from django.http import HttpResponse, HttpResponseRedirect, Http404
@@ -46,6 +44,8 @@ from django.utils.html import format_html
 from django.views.decorators.csrf import ensure_csrf_cookie, csrf_exempt
 from django.views.generic import RedirectView
 
+import debug                            # pyflakes:ignore
+
 from ietf.doc.fields import SearchableDocumentsField
 from ietf.doc.models import Document, State, DocEvent, NewRevisionDocEvent, DocAlias
 from ietf.group.models import Group
@@ -91,6 +91,7 @@ from ietf.utils.pipe import pipe
 from ietf.utils.pdf import pdf_pages
 from ietf.utils.response import permission_denied
 from ietf.utils.text import xslugify
+from ietf.utils.timezone import date2datetime
 
 from .forms import (InterimMeetingModelForm, InterimAnnounceForm, InterimSessionModelForm,
     InterimCancelForm, InterimSessionInlineFormSet, FileUploadForm, RequestMinutesForm,)
@@ -1126,7 +1127,8 @@ def week_view(request, num=None, name=None, owner=None):
     filtered_assignments = schedule.assignments.exclude(timeslot__type__in=['lead','offagenda'])
     # Only show assignments from the traditional meeting "week" (Sat-Fri). 
     # We'll determine this using the saturday before the first scheduled regular session.
-    first_regular_session_time = meeting.schedule.qs_assignments_with_sessions.filter(session__type_id='regular').order_by('timeslot__time').first().timeslot.time
+    first_regular_session = meeting.schedule.qs_assignments_with_sessions.filter(session__type_id='regular').order_by('timeslot__time').first()
+    first_regular_session_time = first_regular_session.timeslot.time if first_regular_session else date2datetime(meeting.date)
     saturday_before = first_regular_session_time - datetime.timedelta(days=(first_regular_session_time.weekday() - 5)%7)
 #    saturday_after = saturday_before + datetime.timedelta(days=7)
 #    filtered_assignments = filtered_assignments.filter(timeslot__time__gte=saturday_before,timeslot__time__lt=saturday_after)