drhenner/ror_ecommerce

class OutOfStockNotification < Notification
  validate :ensure_admin, on: :create

  class << self

    def send!(variant_ids)
      Notifier.out_of_stock_message(out_of_stock_user_ids(variant_ids), Array(variant_ids)).deliver_later
    end

    private

    # just send to specific users if this is setup
    # else send to warehouse users if created
    # else send to the admin users
    def out_of_stock_user_ids(variant_ids)
      variant_user_ids(variant_ids).presence || warehouse_user_ids.presence || admin_user_ids
    end

    def variant_user_ids(variant_ids)
      stock_notifications = OutOfStockNotification.where(notifiable_type: 'Variant', notifiable_id: variant_ids)
      stock_notifications = stock_notifications.select{ |sn| sn.user.try(:active?) && sn.user.try(:admin?) }
      stock_notifications.map(&:user_id)
    end

  end
end