+ defp restrict_visibility(query, %{visibility: visibility})
+ when is_list(visibility) do
+ if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
+ query =
+ from(
+ a in query,
+ where:
+ fragment(
+ "activity_visibility(?, ?, ?) = ANY (?)",
+ a.actor,
+ a.recipients,
+ a.data,
+ ^visibility
+ )
+ )
+
+ Ecto.Adapters.SQL.to_sql(:all, Repo, query)
+
+ query
+ else
+ Logger.error("Could not restrict visibility to #{visibility}")
+ end
+ end
+