Start news field s timefield

apps/search_indexes/documents/news.py

@@ -42,13 +42,12 @@ class NewsDocument(Document):
         },
         multi=True)
     favorites_for_users = fields.ListField(field=fields.IntegerField())
-
+    start = fields.DateField(attr='start')
     class Django:
 
         model = models.News
         fields = (
             'id',
-            'start',
             'end',
             'slug',
             'state',

apps/search_indexes/serializers.py

@@ -206,6 +206,7 @@ class NewsDocumentSerializer(InFavoritesMixin, DocumentSerializer):
             'preview_image_url',
             'news_type',
             'tags',
+            'start',
             'slug',
         )
 

apps/search_indexes/views.py

@@ -5,6 +5,7 @@ from django_elasticsearch_dsl_drf.filter_backends import (
     FilteringFilterBackend,
     GeoSpatialFilteringFilterBackend,
     GeoSpatialOrderingFilterBackend,
+    OrderingFilterBackend,
 )
 from elasticsearch_dsl import TermsFacet
 from django_elasticsearch_dsl_drf.viewsets import BaseDocumentViewSet
@@ -27,9 +28,15 @@ class NewsDocumentViewSet(BaseDocumentViewSet):
         filters.CustomSearchFilterBackend,
         FilteringFilterBackend,
         filters.CustomFacetedSearchFilterBackend,
-        GeoSpatialOrderingFilterBackend,
+        OrderingFilterBackend
     ]
 
+    ordering_fields = {
+        'start': {
+            'field': 'start',
+        },
+    }
+
     faceted_search_fields = {
         'tag': {
             'field': 'tags.id',