Enable guessing the anomaly notification that triggered the user feedback

app/models/user_exercise_feedback.rb

@@ -9,4 +9,9 @@ class UserExerciseFeedback < ActiveRecord::Base
   def to_s
     "User Exercise Feedback"
   end
+
+  def anomaly_notification
+    AnomalyNotification.where({exercise_id: exercise.id, user_id: user_id, user_type: user_type})
+        .where("created_at < ?", created_at).order("created_at DESC").to_a.first
+  end
 end