<?php declare(strict_types=1);


namespace Komma\KMS\Core;


use Illuminate\Database\Eloquent\Model;

interface OutOfDateInterface
{
    /**
     * Returns an array of form field names that are not up to date with the given model.
     * Or an empty array if the model is up to date with form fields. The form fields must
     * come from the outOfDateCheckFormFields method.
     *
     * @see outOfDateCheckFormFields
     * @param Model $model
     * @return array
     */
    public function outOfDate(Model $model): array;

    /**
     * The form fields that will be used for a outOfDateCheck
     *
     * @return array
     *@see outOfDate
     */
    public function outOfDateCheckFormFields(): array;
}