added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/backend/lib/flaredown/colorable.rb

@@ -0,0 +1,21 @@
+module Flaredown
+  class Colorable
+    IDS = (0..32).to_a
+
+    def self.color_id_for(trackable, user)
+      parent = Tracking.find_by(user: user, trackable: trackable)
+      color_id = parent.try(:color_id)
+      if color_id.blank? && user.present?
+        used_color_ids = Tracking.where(user_id: user.id).pluck(:color_id)
+        colors = (0..32).to_a
+        color_id =
+          if used_color_ids.count >= colors.count
+            used_color_ids.count % colors.count
+          else
+            (colors - used_color_ids).sample
+          end
+      end
+      color_id
+    end
+  end
+end