animethemes-server/app/Rules/Wiki/Resource/ResourceSiteMatchesLinkRule.php

<?php

declare(strict_types=1);

namespace App\Rules\Wiki\Resource;

use App\Enums\Models\Wiki\ResourceSite;
use Closure;
use Illuminate\Contracts\Validation\ValidationRule;
use Illuminate\Support\Uri;
use Illuminate\Translation\PotentiallyTranslatedString;

readonly class ResourceSiteMatchesLinkRule implements ValidationRule
{
    public function __construct(protected string $link) {}

    /**
     * @param  Closure(string): PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        $domain = ResourceSite::getDomain($value);

        if (filled($domain) && $domain !== Uri::of($this->link)->host()) {
            $fail(__('validation.resource_link_site_mismatch'));
        }
    }
}