[Fix #419]Fixing timefield for django (#426)

Author: safwanrahman

django_elasticsearch_dsl/documents.py

@@ -21,7 +21,7 @@
     KeywordField,
     LongField,
     ShortField,
-    TextField,
+    TextField, TimeField,
 )
 from .search import Search
 from .signals import post_index
@@ -47,7 +47,7 @@
     models.SlugField: KeywordField,
     models.SmallIntegerField: ShortField,
     models.TextField: TextField,
-    models.TimeField: LongField,
+    models.TimeField: TimeField,
     models.URLField: TextField,
     models.UUIDField: KeywordField,
 }

django_elasticsearch_dsl/fields.py

@@ -4,6 +4,7 @@
 from django.core.exceptions import ObjectDoesNotExist
 from django.db import models
 from django.db.models.fields.files import FieldFile
+
 if django.VERSION < (4, 0):
     from django.utils.encoding import force_text as force_str
 else:
@@ -111,7 +112,8 @@ def _get_inner_field_data(self, obj, field_value_to_ignore=None):
                     obj, field_value_to_ignore
                 )
         else:
-            for name, field in self._doc_class._doc_type.mapping.properties._params.get('properties', {}).items():  # noqa
+            for name, field in self._doc_class._doc_type.mapping.properties._params.get(
+                'properties', {}).items():  # noqa
                 if not isinstance(field, DEDField):
                     continue
 
@@ -255,3 +257,12 @@ def get_value_from_instance(self, instance, field_value_to_ignore=None):
 
 class FileField(FileFieldMixin, DEDField, Text):
     pass
+
+
+class TimeField(KeywordField):
+    def get_value_from_instance(self, instance, field_value_to_ignore=None):
+        time = super(TimeField, self).get_value_from_instance(instance,
+                                                              field_value_to_ignore)
+
+        if time:
+            return time.isoformat()