+
+ def compose_regex(user_or_filters, format \\ :postgres)
+
+ def compose_regex(%User{} = user, format) do
+ __MODULE__
+ |> get_active()
+ |> get_irreversible()
+ |> get_filters(user)
+ |> compose_regex(format)
+ end
+
+ def compose_regex([_ | _] = filters, format) do
+ phrases =
+ filters
+ |> Enum.map(& &1.phrase)
+ |> Enum.join("|")
+
+ case format do
+ :postgres ->
+ "\\y(#{phrases})\\y"
+
+ :re ->
+ ~r/\b#{phrases}\b/i
+
+ _ ->
+ nil
+ end
+ end
+
+ def compose_regex(_, _), do: nil