+ def update_avatar(%{assigns: %{user: user}} = conn, params) do
+ {:ok, object} = ActivityPub.upload(params)
+ change = Ecto.Changeset.change(user, %{avatar: object.data})
+ {:ok, user} = Repo.update(change)
+
+ response = UserRepresenter.to_map(user, %{for: user})
+ |> Poison.encode!
+
+ conn
+ |> json_reply(200, response)
+ end
+
+ defp bad_request_reply(conn, error_message) do
+ json = Poison.encode!(%{"error" => error_message})
+ json_reply(conn, 400, json)
+ end
+