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Events and ticketing

An event gets renamed after the tickets are printed — a sponsor is added, a date moves into the title. The printed QR code cannot change; the URL behind it has to.

#[Polyslug(source: 'name')] // /events/summer-fest_x7Q — renaming the event 301s every old link
class Event extends Model implements Sluggable
{
    use HasPolyslug;
}

$qr = $event->shortLink(); // print on the ticket; /go/{token} follows the event's current URL

Two layers cover it:

  • The route key itself self-heals. The old /events/summer-fest_x7Q still resolves after the rename and 301s to the new canonical URL, so links already shared in email and chat keep working.
  • The short link is stable by construction. shortLink() returns the same token for the same event and locale forever, and the redirect target is resolved at scan time — which is what makes it safe to commit to print.

Route the shipped controller once:

Route::get('/go/{token}', Polyslug\Http\Controllers\ShortLinkController::class);

After the event​

When the event page is retired, polyslugIsGone() returns 410 and polyslugSupersededBy() points at next year's edition — the QR code on an old poster then lands on the current event instead of a dead page. See Gone and superseded content.

See also​