Laravel Compass Passport authenticator

PassportAuthenticator.php

<?php

namespace App\Support;

use Davidhsianturi\Compass\Authenticators\CredentialResult;
use Davidhsianturi\Compass\Authenticators\UserProvider;
use Davidhsianturi\Compass\Contracts\AuthenticatorRepository;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Cache;

class PassportAuthenticator implements AuthenticatorRepository
{
    use UserProvider;

    /**
     * Return a valid credential of users.
     *
     * @return \Illuminate\Support\Collection|\Davidhsianturi\Compass\Authenticators\CredentialResult[]
     */
    public function credentials()
    {
        return $this->getUsers()
            ->map(function ($user) {
                $identifier = Arr::only($user->toArray(), (array) $this->identifier);
                $identifier = ! empty(array_filter($identifier)) ? implode(' - ', $identifier) : 'anonymous';

                return new CredentialResult(
                    $identifier, $this->getTokenFromStorage($user)
                );
            })->values();
    }

    /**
     * Get the cached token from cache storage or create new if not exists.
     *
     * @param  \App\Models\User  $user
     * @return string
     */
    protected function getTokenFromStorage($user)
    {
        return Cache::remember('compass::passport::'.$user->getKey(), now()->addMonths(3), function () use ($user) {
            return $user->createToken('Compass', ['*'])->accessToken;
        });
    }
}