UpdateContentAction.php

См. документацию.

<?php
 
namespace Bitrix\Landing\History\Action;
 
use Bitrix\Landing\Block;
 
class UpdateContentAction extends BaseAction
{
    protected const JS_COMMAND = 'updateContent';
 
    public function execute(bool $undo = true): bool
    {
        $block = new Block((int)$this->params['block']);
        if ($block->exist())
        {
            $content = $undo ? $this->params['contentBefore'] : $this->params['contentAfter'];
            $block->saveContent($content, $this->params['designed']);
 
            return $block->save();
        }
 
        return false;
    }
 
    public static function enrichParams(array $params): array
    {
        return [
            'block' => $params['block'],
            'contentAfter' => $params['contentAfter'] ?: '',
            'contentBefore' => $params['contentBefore'] ?: '',
            'designed' => (bool)$params['designed'],
        ];
    }
 
    public function isNeedPush(): bool
    {
        return
            parent::isNeedPush()
            && $this->params['contentBefore'] !== $this->params['contentAfter'];
    }

    public function getJsCommand(bool $undo = true): array
    {
        $params = parent::getJsCommand($undo);
 
        $params['params']['content'] =
            $undo
                ? $params['params']['contentBefore']
                : $params['params']['contentAfter']
        ;
 
        unset(
            $params['params']['contentAfter'],
            $params['params']['contentBefore'],
            $params['params']['designed'],
        );
 
        return $params;
    }
}