+ @doc """
+ Updates metadata of uploaded media object.
+ Derived from [Twitter API endpoint](https://developer.twitter.com/en/docs/media/upload-media/api-reference/post-media-metadata-create).
+ """
+ def update_media(%{assigns: %{user: user}} = conn, %{"media_id" => id} = data) do
+ object = Repo.get(Object, id)
+ description = get_in(data, ["alt_text", "text"]) || data["name"] || data["description"]
+
+ {conn, status, response_body} =
+ cond do
+ !object ->
+ {halt(conn), :not_found, ""}
+
+ !Object.authorize_mutation(object, user) ->
+ {halt(conn), :forbidden, "You can only update your own uploads."}
+
+ !is_binary(description) ->
+ {conn, :not_modified, ""}
+
+ true ->
+ new_data = Map.put(object.data, "name", description)
+
+ {:ok, _} =
+ object
+ |> Object.change(%{data: new_data})
+ |> Repo.update()
+
+ {conn, :no_content, ""}
+ end
+
+ conn
+ |> put_status(status)
+ |> json(response_body)
+ end
+
+ def upload(%{assigns: %{user: user}} = conn, %{"media" => media}) do
+ response = TwitterAPI.upload(media, user)