update filtering by started_at

engine/apps/api/views/alert_group.py

@@ -310,12 +310,6 @@ def get_serializer_class(self):
 
         return super().get_serializer_class()
 
-    def _add_default_filter_started_at(self, queryset):
-        DEFAULT_STARTED_AT_TIMERANGE_DAYS = 30
-        end_time = timezone.now()
-        start_time = end_time - timedelta(days=DEFAULT_STARTED_AT_TIMERANGE_DAYS)
-        return queryset.filter(started_at__gte=start_time, started_at__lte=end_time)
-
     def get_queryset(self, ignore_filtering_by_available_teams=False):
         # no select_related or prefetch_related is used at this point, it will be done on paginate_queryset.
 
@@ -340,7 +334,7 @@ def get_queryset(self, ignore_filtering_by_available_teams=False):
 
         # This is a quick fix to speed up requests from mobile app by adding default `started_at` filter value
         if not self.request.query_params.get("started_at"):
-            queryset = self._add_default_filter_started_at(queryset)
+            queryset = queryset.filter(started_at__gte=timezone.now() - timezone.timedelta(days=30))
 
         if self.action in ("list", "stats") and settings.ALERT_GROUPS_DISABLE_PREFER_ORDERING_INDEX:
             # workaround related to MySQL "ORDER BY LIMIT Query Optimizer Bug"