メンターをWatch中にするメソッドからinsert_allを削除

app/controllers/questions_controller.rb

@@ -98,18 +98,12 @@ def questions_property
   end
 
   def create_mentors_watch
-    Watch.insert_all(watch_records)
-  end
-
-  def watch_records
-    User.mentor.map do |mentor|
-      {
-        watchable_type: 'Question',
-        watchable_id: @question.id,
-        created_at: Time.current,
-        updated_at: Time.current,
-        user_id: mentor.id
-      }
+    User.mentor.each do |mentor|
+      watch = Watch.new(
+        user: mentor,
+        watchable: @question
+      )
+      watch.save!
     end
   end
 end