Added support for a meeting session order_number (denoting first session for this group in the meeting, second session, etc.) when filling in URL templates with session info using the 'format' filter. Used for the Meetecho video straming url for a session.

- Legacy-Id: 18174

ietf/meeting/helpers.py

@@ -195,6 +195,7 @@ def preprocess_assignments_for_agenda(assignments_queryset, meeting, extra_prefe
     for a in assignments:
         if a.session:
             a.session.historic_group = None
+            a.session.order_number = None
 
             if a.session.group and a.session.group not in groups:
                 groups.append(a.session.group)
@@ -212,6 +213,8 @@ def preprocess_assignments_for_agenda(assignments_queryset, meeting, extra_prefe
                 if a.session.historic_group.parent_id:
                     parent_id_set.add(a.session.historic_group.parent_id)
 
+            a.session.order_number = a.session.order_in_meeting()
+
     parents = Group.objects.filter(pk__in=parent_id_set)
     parent_replacements = find_history_replacements_active_at(parents, meeting_time)
 

ietf/meeting/models.py

@@ -1004,6 +1004,12 @@ class Session(models.Model):
         else:
             return [self]
 
+    def order_in_meeting(self):
+        if not hasattr(self, '_order_in_meeting'):
+            session_list = self.all_meeting_sessions_for_group()
+            self._order_in_meeting = session_list.index(self) + 1
+        return self._order_in_meeting
+
     def all_meeting_sessions_cancelled(self):
         return set(s.current_status for s in self.all_meeting_sessions_for_group()) == {'canceled'}
 

ietf/utils/templatetags/textfilters.py

@@ -31,10 +31,10 @@ def xslugify(value):
 @stringfilter
 def format(format, values):
     if not isinstance(values, dict):
-        tmp = {}
-        for f in values._meta.fields:
-            tmp[f.name] = getattr(values, f.name)
-        values = tmp
+        obj = values
+        values = obj.__dict__
+        for f in obj._meta.fields:
+            values[f.name] = getattr(obj, f.name)
     return format.format(**values)
 
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