feat: make categorize_detour/2 public

lib/skate/detours/detours.ex

@@ -95,19 +95,25 @@ defmodule Skate.Detours.Detours do
 
   @type detour_type :: :active | :draft | :past
 
+  @doc """
+  Takes a `Skate.Detours.Db.Detour` struct and a `Skate.Settings.Db.User` id
+  and returns a `t:detour_type/0` based on the state of the detour.
+
+  returns `nil` if the state is indeterminate.
+  """
   @spec categorize_detour(map(), integer()) :: detour_type
-  defp categorize_detour(
-         %{state: %{"value" => %{"Detour Drawing" => %{"Active" => _}}}},
-         _user_id
-       ),
-       do: :active
+  def categorize_detour(
+        %{state: %{"value" => %{"Detour Drawing" => %{"Active" => _}}}},
+        _user_id
+      ),
+      do: :active
 
-  defp categorize_detour(%{state: %{"value" => %{"Detour Drawing" => "Past"}}}, _user_id),
+  def categorize_detour(%{state: %{"value" => %{"Detour Drawing" => "Past"}}}, _user_id),
     do: :past
 
-  defp categorize_detour(_detour_context, nil = _user_id), do: :draft
-  defp categorize_detour(%{author_id: author_id}, user_id) when author_id == user_id, do: :draft
-  defp categorize_detour(_, _), do: nil
+  def categorize_detour(_detour_context, nil = _user_id), do: :draft
+  def categorize_detour(%{author_id: author_id}, user_id) when author_id == user_id, do: :draft
+  def categorize_detour(_, _), do: nil
 
   @doc """
   Gets a single detour.