Hide implementation detail of reading

app/controllers/notifications/readings_controller.rb

@@ -1,7 +1,7 @@
 class Notifications::ReadingsController < ApplicationController
   def create
     @notification = Current.user.notifications.find(params[:id])
-    @notification.update!(read_at: Time.current)
+    @notification.read
   end
 
   def create_all

app/models/notification.rb

@@ -15,6 +15,10 @@ class Notification < ApplicationRecord
     update!(read_at: Time.current)
   end
 
+  def read
+    update!(read_at: Time.current)
+  end
+
   def read?
     read_at.present?
   end