added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/backend/app/services/tracking_destroyer.rb

@@ -0,0 +1,24 @@
+class TrackingDestroyer
+  attr_reader :user, :tracking, :date
+
+  def initialize(user, tracking, date)
+    @user = user
+    @tracking = tracking
+    @date = date
+  end
+
+  def destroy
+    # If a tracking for the same trackable started at the same date is found,
+    # then it can be destroyed because we're in the case of an unwanted action
+    same_tracking = user.trackings.find_by(
+      trackable_id: tracking.trackable_id,
+      trackable_type: tracking.trackable_type,
+      start_at: date
+    )
+    if same_tracking.present?
+      tracking.destroy
+    else
+      tracking.update!(end_at: Time.zone.today)
+    end
+  end
+end