Upgrade delayed until phone discontinued

I went in for an upgrade mid October 2018 and was told the upgrade was placed. They showed me that there was only one phone (the Huawei Mate 10 Pro) in stock at another branch so they'll order more just to be safe.

Since then I received a few calls to check I was certain I wanted the Mate 10 Pro at R349 instead of the Mate 20 Pro at R700 to which I of course said the Mate 10 Pro.

Since then I heard no feedback and went in to the branch at least once a week to check but the best service they could give was to tell me that they can't even confirm the order was placed because they're just a branch but that I must just wait.

Finally today I pressed enough to have the one consultant tell me that only the direct store will help and finally pointed me literally a few shops away (this now being 6 weeks later).

At the next store they told me that the Mate 10 Pro is discontinued this week so there's nothing they can do. To make matters worse, I have a photo of a Mate 10 Pro on display in this store taken 1 hour ago!