cssd-back/app/Rules/ValidEnabledLabels.php

<?php

namespace App\Rules;

use App\Models\Label;
use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class ValidEnabledLabels implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        $formattedVal = pluckValues($value,'id');
        $validIds = Label::whereIn('id', $formattedVal)
            ->where('enabled', true)
            ->pluck('id')
            ->toArray();

        if(count(array_diff($formattedVal, $validIds)) !== 0)
        {
            $fail('the :attribute must be enabled.');
        }
    }
}