- changeset =
- struct
- |> cast(params, [:data])
- |> validate_required([:data])
- |> unique_constraint(:ap_id, name: :objects_unique_apid_index)
-
- if hashtags_changed?(struct, get_change(changeset, :data)) do
- # TODO: modify assoc once it's introduced
- changeset
+ struct
+ |> cast(params, [:data])
+ |> validate_required([:data])
+ |> unique_constraint(:ap_id, name: :objects_unique_apid_index)
+ # Expecting `maybe_handle_hashtags_change/1` to run last:
+ |> maybe_handle_hashtags_change(struct)
+ end
+
+ # Note: not checking activity type (assuming non-legacy objects are associated with Create act.)
+ defp maybe_handle_hashtags_change(changeset, struct) do
+ with %Ecto.Changeset{valid?: true} <- changeset,
+ data_hashtags_change = get_change(changeset, :data),
+ {_, true} <- {:changed, hashtags_changed?(struct, data_hashtags_change)},
+ {:ok, hashtag_records} <-
+ data_hashtags_change
+ |> object_data_hashtags()
+ |> Hashtag.get_or_create_by_names() do
+ put_assoc(changeset, :hashtags, hashtag_records)