{"action":"created","comment":{"url":"https://api.github.com/repos/CenterForOpenScience/osf.io/pulls/comments/41546018","id":41546018,"diff_hunk":"@@ -730,6 +731,23 @@ def category_display(self):\n         \"\"\"The human-readable representation of this node's category.\"\"\"\n         return self.CATEGORY_MAP[self.category]\n \n+    # We need the following 2 properties in order to serialize related links in NodeRegistrationSerializer\n+    @property\n+    def registered_user_id(self):","path":"website/project/model.py","position":14,"original_position":14,"commit_id":"718a2b37a3c989ede95c0080b4425d9fbeda18c1","original_commit_id":"718a2b37a3c989ede95c0080b4425d9fbeda18c1","user":{"login":"sloria","id":2379650,"avatar_url":"https://avatars.githubusercontent.com/u/2379650?v=3","gravatar_id":"","url":"https://api.github.com/users/sloria","html_url":"https://github.com/sloria","followers_url":"https://api.github.com/users/sloria/followers","following_url":"https://api.github.com/users/sloria/following{/other_user}","gists_url":"https://api.github.com/users/sloria/gists{/gist_id}","starred_url":"https://api.github.com/users/sloria/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sloria/subscriptions","organizations_url":"https://api.github.com/users/sloria/orgs","repos_url":"https://api.github.com/users/sloria/repos","events_url":"https://api.github.com/users/sloria/events{/privacy}","received_events_url":"https://api.github.com/users/sloria/received_events","type":"User","site_admin":false},"body":"Yes, I really don't like having to do this, but DRF won't let us do `lookup_field_name='registered_user._id'; it only allows simple attribute access. If you have suggestions for an immediate fix, I am open to them.\r\n\r\nFWIW, I do intend to address this limitation if we go with my proposed `RelationshipField`.","created_at":"2015-10-08T17:58:17Z","updated_at":"2015-10-08T17:58:17Z","html_url":"https://github.com/CenterForOpenScience/osf.io/pull/4398#discussion_r41546018","pull_request_url":"https://api.github.com/repos/CenterForOpenScience/osf.io/pulls/4398","_links":{"self":{"href":"https://api.github.com/repos/CenterForOpenScience/osf.io/pulls/comments/41546018"},"html":{"href":"https://github.com/CenterForOpenScience/osf.io/pull/4398#discussion_r41546018"},"pull_request":{"href":"https://api.github.com/repos/CenterForOpenScience/osf.io/pulls/4398"}}},"pull_request":{"url":"https://api.github.com/repos/CenterForOpenScience/osf.io/pulls/4398","id":46835774,"html_url":"https://github.com/CenterForOpenScience/osf.io/pull/4398","diff_url":"https://github.com/CenterForOpenScience/osf.io/pull/4398.diff","patch_url":"https://github.com/CenterForOpenScience/osf.io/pull/4398.patch","issue_url":"https://api.github.com/repos/CenterForOpenScience/osf.io/issues/4398","number":4398,"state":"open","locked":false,"title":"[RfR] Registration links; Serializer tests","user":{"login":"sloria","id":2379650,"avatar_url":"https://avatars.githubusercontent.com/u/2379650?v=3","gravatar_id":"","url":"https://api.github.com/users/sloria","html_url":"https://github.com/sloria","followers_url":"https://api.github.com/users/sloria/followers","following_url":"https://api.github.com/users/sloria/following{/other_user}","gists_url":"https://api.github.com/users/sloria/gists{/gist_id}","starred_url":"https://api.github.com/users/sloria/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sloria/subscriptions","organizations_url":"https://api.github.com/users/sloria/orgs","repos_url":"https://api.github.com/users/sloria/repos","events_url":"https://api.github.com/users/sloria/events{/privacy}","received_events_url":"https://api.github.com/users/sloria/received_events","type":"User","site_admin":false},"body":"### Purpose/Changes\r\n\r\n- Add initial unit tests for serializers \r\n- Add a few missing links and attributes to NodeSerializer and NodeRegistrationSerializer (partially addresses OSF-4436)\r\n- Change NodeSerializer.parent to a `related` link rather than a `self` link (verified with Dawn that this is correct).\r\n\r\n### Tickets\r\n\r\nhttps://openscience.atlassian.net/browse/OSF-4771\r\nPartially addresses https://openscience.atlassian.net/browse/OSF-4436","created_at":"2015-10-05T21:23:15Z","updated_at":"2015-10-08T17:58:17Z","closed_at":null,"merged_at":null,"merge_commit_sha":"fa8aa19c31a659bc425d1be5e32625c244de9bc4","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/CenterForOpenScience/osf.io/pulls/4398/commits","review_comments_url":"https://api.github.com/repos/CenterForOpenScience/osf.io/pulls/4398/comments","review_comment_url":"https://api.github.com/repos/CenterForOpenScience/osf.io/pulls/comments{/number}","comments_url":"https://api.github.com/repos/CenterForOpenScience/osf.io/issues/4398/comments","statuses_url":"https://api.github.com/repos/CenterForOpenScience/osf.io/statuses/718a2b37a3c989ede95c0080b4425d9fbeda18c1","head":{"label":"CenterForOpenScience:feature/registration-serializer","ref":"feature/registration-serializer","sha":"718a2b37a3c989ede95c0080b4425d9fbeda18c1","user":{"login":"CenterForOpenScience","id":3344584,"avatar_url":"https://avatars.githubusercontent.com/u/3344584?v=3","gravatar_id":"","url":"https://api.github.com/users/CenterForOpenScience","html_url":"https://github.com/CenterForOpenScience","followers_url":"https://api.github.com/users/CenterForOpenScience/followers","following_url":"https://api.github.com/users/CenterForOpenScience/following{/other_user}","gists_url":"https://api.github.com/users/CenterForOpenScience/gists{/gist_id}","starred_url":"https://api.github.com/users/CenterForOpenScience/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/CenterForOpenScience/subscriptions","organizations_url":"https://api.github.com/users/CenterForOpenScience/orgs","repos_url":"https://api.github.com/users/CenterForOpenScience/repos","events_url":"https://api.github.com/users/CenterForOpenScience/events{/privacy}","received_events_url":"https://api.github.com/users/CenterForOpenScience/received_events","type":"Organization","site_admin":false},"repo":{"id":10199599,"name":"osf.io","full_name":"CenterForOpenScience/osf.io","owner":{"login":"CenterForOpenScience","id":3344584,"avatar_url":"https://avatars.githubusercontent.com/u/3344584?v=3","gravatar_id":"","url":"https://api.github.com/users/CenterForOpenScience","html_url":"https://github.com/CenterForOpenScience","followers_url":"https://api.github.com/users/CenterForOpenScience/followers","following_url":"https://api.github.com/users/CenterForOpenScience/following{/other_user}","gists_url":"https://api.github.com/users/CenterForOpenScience/gists{/gist_id}","starred_url":"https://api.github.com/users/CenterForOpenScience/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/CenterForOpenScience/subscriptions","organizations_url":"https://api.github.com/users/CenterForOpenScience/orgs","repos_url":"https://api.github.com/users/CenterForOpenScience/repos","events_url":"https://api.github.com/users/CenterForOpenScience/events{/privacy}","received_events_url":"https://api.github.com/users/CenterForOpenScience/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/CenterForOpenScience/osf.io","description":"Facilitating 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