To update notification setting of user.(i.e. manage notifications in user settings)
# File app/controllers/notification_settings_controller.rb, line 6 def create_or_update respond_to do |format| @user_notification_type = current_user.notification_settings.find_or_initialize_by(notification_type: params[:notification_setting][:notification_type]) @user_notification_type.enabled = params[:notification_setting][:enabled] if @user_notification_type.save @message = 'Notification Type Updated successfully.' format.js else @message = 'Notification Type Not Updated.' format.js end end end