crewli/api/app/Observers/PersonObserver.php

<?php

declare(strict_types=1);

namespace App\Observers;

use App\Models\Person;
use App\Services\PersonIdentityService;

final class PersonObserver
{
    public function __construct(
        private readonly PersonIdentityService $identityService,
    ) {}

    public function created(Person $person): void
    {
        if ($person->user_id === null && ($person->email || $person->first_name)) {
            $this->identityService->detectMatches($person);
        }
    }

    public function updated(Person $person): void
    {
        if ($person->wasChanged('email') && $person->user_id === null && $person->email) {
            $this->identityService->detectMatches($person);
        }
    }
}