Add date fields to fixtures

uhepp_org/uhepp_api/fixtures/collections.json

-[{"model": "uhepp_vault.collection", "pk": 1, "fields": {"title": "Frank at the zoo", "slug": "", "owner": 1, "description": null, "visibility": 30}}, {"model": "uhepp_vault.collection", "pk": 2, "fields": {"title": "Frank in the office", "slug": "", "owner": 1, "description": null, "visibility": 20}}, {"model": "uhepp_vault.collection", "pk": 3, "fields": {"title": "Frank at home", "slug": "", "owner": 1, "description": null, "visibility": 10}}, {"model": "uhepp_vault.collection", "pk": 4, "fields": {"title": "Karl at the zoo", "slug": "", "owner": 4, "description": null, "visibility": 30}}, {"model": "uhepp_vault.collection", "pk": 5, "fields": {"title": "Karl in the office", "slug": "", "owner": 4, "description": null, "visibility": 20}}, {"model": "uhepp_vault.collection", "pk": 6, "fields": {"title": "Karl at home", "slug": "", "owner": 4, "description": null, "visibility": 10}}, {"model": "uhepp_vault.collection", "pk": 7, "fields": {"title": "John at the zoo", "slug": "", "owner": 3, "description": null, "visibility": 30}}, {"model": "uhepp_vault.collection", "pk": 8, "fields": {"title": "John in the office", "slug": "", "owner": 3, "description": null, "visibility": 20}}, {"model": "uhepp_vault.collection", "pk": 9, "fields": {"title": "John at home", "slug": "", "owner": 3, "description": null, "visibility": 10}}]
\ No newline at end of file
+[{"model": "uhepp_vault.collection", "pk": 1, "fields": {"title": "Frank at the zoo", "slug": "", "owner": 1, "description": null, "visibility": 30, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}, {"model": "uhepp_vault.collection", "pk": 2, "fields": {"title": "Frank in the office", "slug": "", "owner": 1, "description": null, "visibility": 20, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}, {"model": "uhepp_vault.collection", "pk": 3, "fields": {"title": "Frank at home", "slug": "", "owner": 1, "description": null, "visibility": 10, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}, {"model": "uhepp_vault.collection", "pk": 4, "fields": {"title": "Karl at the zoo", "slug": "", "owner": 4, "description": null, "visibility": 30, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}, {"model": "uhepp_vault.collection", "pk": 5, "fields": {"title": "Karl in the office", "slug": "", "owner": 4, "description": null, "visibility": 20, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}, {"model": "uhepp_vault.collection", "pk": 6, "fields": {"title": "Karl at home", "slug": "", "owner": 4, "description": null, "visibility": 10, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}, {"model": "uhepp_vault.collection", "pk": 7, "fields": {"title": "John at the zoo", "slug": "", "owner": 3, "description": null, "visibility": 30, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}, {"model": "uhepp_vault.collection", "pk": 8, "fields": {"title": "John in the office", "slug": "", "owner": 3, "description": null, "visibility": 20, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}, {"model": "uhepp_vault.collection", "pk": 9, "fields": {"title": "John at home", "slug": "", "owner": 3, "description": null, "visibility": 10, "activity": "2021-02-23T00:00:00+01:00", "created": "2021-02-23T00:00:00+01:00"}}]

uhepp_org/uhepp_vault/models.py

@@ -38,8 +38,8 @@ class Collection(models.Model):
         choices=VISIBILITY_LEVELS,
         default=PRIVATE_LEVEL,
     )
-    created = models.DateTimeField(auto_now_add=True, null=True)
-    activity = models.DateTimeField(auto_now_add=True, null=True)
+    created = models.DateTimeField(auto_now_add=True)
+    activity = models.DateTimeField(auto_now_add=True)
 
     class Meta:
         ordering = ['-activity', Lower('title')]