added created field to users api

lms/djangoapps/api_manager/users/serializers.py

@@ -8,11 +8,12 @@ from api_manager.organizations.serializers import BasicOrganizationSerializer
 class UserSerializer(serializers.ModelSerializer):
     """ Serializer for User model interactions """
     organizations = BasicOrganizationSerializer(many=True, required=False)
+    created = serializers.DateTimeField(source='date_joined', required=False)
 
     class Meta:
         """ Serializer/field specification """
         model = APIUser
-        fields = ("id", "email", "username", "first_name", "last_name", "organizations")
+        fields = ("id", "email", "username", "first_name", "last_name", "created", "organizations")
         read_only_fields = ("id", "email", "username")
 
 

lms/djangoapps/api_manager/users/tests.py

@@ -156,6 +156,7 @@ class UsersApiTests(TestCase):
         self.assertIsNotNone(response.data['results'][0]['organizations'][0]['name'])
         self.assertIsNotNone(response.data['results'][0]['organizations'][0]['id'])
         self.assertIsNotNone(response.data['results'][0]['organizations'][0]['url'])
+        self.assertIsNotNone(response.data['results'][0]['created'])
         # fetch user data by multiple ids
         response = self.do_get('{}?page_size=5&ids={}'.format(test_uri, '2,3,7,11,6,21,34'))
         self.assertEqual(response.status_code, 200)
@@ -193,6 +194,7 @@ class UsersApiTests(TestCase):
         self.assertEqual(response.data['username'], local_username)
         self.assertEqual(response.data['first_name'], self.test_first_name)
         self.assertEqual(response.data['last_name'], self.test_last_name)
+        self.assertIsNotNone(response.data['created'])
 
     def test_user_list_post_inactive(self):
         test_uri = '/api/users'
@@ -264,6 +266,7 @@ class UsersApiTests(TestCase):
         self.assertEqual(response.data['last_name'], self.test_last_name)
         self.assertEqual(response.data['full_name'], '{} {}'.format(self.test_first_name, self.test_last_name))
         self.assertEqual(response.data['is_active'], False)
+        self.assertIsNotNone(response.data['created'])
 
     def test_user_detail_post_duplicate_username(self):
         """

lms/djangoapps/api_manager/users/views.py

@@ -71,6 +71,7 @@ def _serialize_user(response_data, user):
     response_data['last_name'] = user.last_name
     response_data['id'] = user.id
     response_data['is_active'] = user.is_active
+    response_data['created'] = user.date_joined
     return response_data