EditLinkAction.php

<?php
 
namespace Bitrix\Landing\History\Action;
 
use Bitrix\Landing\Block;
use Bitrix\Landing\Node;
 
class EditLinkAction extends BaseAction
{
    protected const JS_COMMAND = 'editLink';
 
    public function execute(bool $undo = true): bool
    {
        $block = new Block((int)$this->params['block']);
        $selector = $this->params['selector'] ?: '';
        $position = (int)($this->params['position'] ?: 0);
        $value = $undo ? $this->params['valueBefore'] : $this->params['valueAfter'];
 
        if ($selector)
        {
            $doc = $block->getDom();
            $resultList = $doc->querySelectorAll($selector);
            if (isset($resultList[$position]))
            {
                Node\Link::saveNode($block, $selector, [
                    $position => $value,
                ]);
 
                $block->saveContent($doc->saveHTML());
 
                return $block->save();
            }
        }
 
        return false;
    }
 
    public static function enrichParams(array $params): array
    {
        $block = $params['block'];
 
        return [
            'block' => $block->getId(),
            'selector' => $params['selector'] ?: '',
            'position' => $params['position'] ?: 0,
            'lid' => $block->getLandingId(),
            'valueAfter' => $params['valueAfter'] ?: '',
            'valueBefore' => $params['valueBefore'] ?: '',
        ];
    }
 
    public function getJsCommand(bool $undo = true): array
    {
        $params = parent::getJsCommand($undo);
 
        $params['params']['selector'] .= '@' . $params['params']['position'];
        $params['params']['value'] =
            $undo
                ? $params['params']['valueBefore']
                : $params['params']['valueAfter'];
 
        unset(
            $params['params']['valueAfter'],
            $params['params']['valueBefore'],
            $params['params']['position'],
        );
 
        return $params;
    }
 
    public static function compareParams(array $oldParams, array $newParams): bool
    {
        // todo: or compare just file ids?
        unset(
            $oldParams['valueBefore'], $newParams['valueBefore'],
        );
 
        return $oldParams === $newParams;
    }
}