Lost DS's minecraft World. Help!!

[FrustratoPotato]

DS and I have a survival world we've been working on for ages and really invested in. I was on it just now doing some mining while he's at school and the power blipped out. It rebooted then said the world was corrupted and deleted the entire thing!
Please, please, please tell me I can get it back. I'm going to have a very broken hearted boy in about 2 hrs otherwise.
We're on ps4 and gave PlayStation plus if that makes a difference.

*have, not gave

Go into setting

Thanks insanity, I tried that after furiously googling it. No luck. DS is home now and was predictably gutted. But he had a much older version of the world saved which doesn't have a whole host of things we've built but it's something at least. He's already planning for it to be bigger and better than before.

I did almost exactly the same when my DS was younger, the thought of "bigger and better" worked with him too.

Its a hard lesson for them but an invaluable one