How to get Ubercart to send email with condition "Its been 2 days, order has not been approved"

Ubercart 2.x on D6:

I have two roles.

• Branch
• Branch Approver.

If Branch makes an order, 开发者_C百科it does not get get approved instantly, the Branch Approver has to update the order status to approved.

If the Branch Approver does not do this after 2 days of order being submitted, I want them to receive an order-email, or a notice about this.

How can I configure UC to make this happen?

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I'm not that familiar with Ubercart, so it might have something build it to support this.

But if not, why not use a hook_cron in a custom module, to check all orders that have not been approved. If one or more have not yet been approved for 2 days, send the Branch Approvers a mail.