Let's say I have a paperclip attachment on my model that has a size validation of 10GB and a bunch of users upload images up to that maximum size.
If I then change the size validation to something smaller, say 5GB, any images previously uploaded that are greater than the new validation are now invalid. Thus, even trying to touch the model fails because this validation fails. Calling reprocess!
on the images does not help since that just reprocesses the styles
but doesn't resize the original image.
What can be done here to validate old images that no longer pass a newer, smaller size validation?