Add UID route token

[AugustMiller]

Addresses #3582.

Sorry if this is too presumptuous—had the changes queued locally, so I figured it was worth committing!

✌️

[brandonkelly]

@AugustMiller Have you tested both of these regexes with capital letters?

@angrybrad if UUIDs are only including letters a-f, we should probably update StringHelper::isUUID() to match this regex. (Also not sure why the u modifier is in there… a-f definitely won’t require that.)

[AugustMiller]

In its current state, it won't match capital letters… all the references I've seen to the pattern assume lower-case a-f.

My intent was to match whatever is being output by StringHelper::UUID(), not necessarily cover outside world implementations.

Up to this point, I hadn't realized the “audit columns” were a Craft ActiveRecord extension, and not something that Yii provided!

[angrybrad]

v4 UUID's allow for upper or lowercase, so the i flag should cover that. u is probably unnecessary. I've cleaned up and tightened the regex in this commit: 956b435

[angrybrad]

@AugustMiller can you check if the functionality still works as you'd expect with those changes?

[AugustMiller]

Unfortunately not—probably due to the subset of regular expressions that can actually be injected into a route?

For example, the final route (taken from our app) ends up as this, in the Yii route debugger:

account/membership/history/<subscriptionUid:/^[A-Z0-9]{8}-[A-Z0-9]{4}-4[A-Z0-9]{3}-[89AB][A-Z0-9]{3}-[A-Z0-9]{12}$/i>

…which is skipped by: account/membership/history/1a8e179d-3fc5-4fc5-ba52-85ccc286f5ad.

It seems like we might need an additional route-compatible pattern?

Edit: Some quick searching revealed nothing about case-insensitive route expressions in Yii—I wonder if the regex itself just needs to be doubly-verbose? The other challenge is the beginning-of-line and end-of-line flags, which may also be incompatible.

[angrybrad]

@AugustMiller yeah, you're correct. This should do it though (actually tested it works with a UID route this time): cbd3abe

[AugustMiller]

Works like a charm. 👌