ReplaceLanding.php

<?php
 
namespace Bitrix\Landing\History\Action;
 
use Bitrix\Landing\Block;
use Bitrix\Landing\File;
use Bitrix\Landing\Internals\BlockTable;
use Bitrix\Landing\Landing;
use Bitrix\Landing\Manager;
 
class ReplaceLanding extends BaseAction
{
    protected const JS_COMMAND = 'replaceLanding';
 
    public function execute(bool $undo = true): bool
    {
        $landing = Landing::createInstance($this->params['lid']);
        if ($landing->exist())
        {
            foreach ($landing->getBlocks() as $block)
            {
                $accessBefore = $block->getAccess();
                $block->setAccess(Block::ACCESS_X);
 
                $landing->markDeletedBlock($block->getId(), true);
 
                $block->setAccess($accessBefore);
            }
 
            // return blocks
            $blocksToUndelete = $undo ? $this->params['blocksBefore'] : $this->params['blocksAfter'];
            foreach ($blocksToUndelete as $blockId)
            {
                $block = new Block($blockId);
                $accessBefore = $block->getAccess();
                $block->setAccess(Block::ACCESS_X);
                $landing->addBlockToCollection($block);
 
                $landing->markDeletedBlock($blockId, false);
 
                $block->setAccess($accessBefore);
            }
 
            // return additional fields
            $fields = $undo ? $this->params['additionalFieldsBefore'] : $this->params['additionalFieldsAfter'];
            Landing::saveAdditionalFields($this->params['lid'], $fields);
 
            if (
                Manager::isAutoPublicationEnabled()
                && $landing->getError()->isEmpty()
            )
            {
                $landing->publication();
            }
 
            return true;
        }
 
        return false;
    }
 
    public static function enrichParams(array $params): array
    {
        return [
            'lid' => (int)$params['lid'],
            'template' => $params['template'] ?? '',
            'blocksBefore' => $params['blocksBefore'] ?? [],
            'blocksAfter' => $params['blocksAfter'] ?? [],
            'additionalFieldsBefore' => $params['additionalFieldsBefore'] ?? [],
            'additionalFieldsAfter' => $params['additionalFieldsAfter'] ?? [],
        ];
    }
 
    public function delete(): bool
    {
        if (!isset($this->params['blocksBefore']))
        {
            return false;
        }
 
        $blocks = $this->params['blocksBefore'];
 
        if (!empty($blocks))
        {
            $query = BlockTable::query()
                ->setSelect(['ID', 'ACCESS'])
                ->whereIn('ID', $blocks)
                ->where('DELETED', '=', 'Y')
                ->exec()
            ;
            while ($block = $query->fetch())
            {
                if ($block['ACCESS'] === Block::ACCESS_X)
                {
                    $blockId = (int)$block['ID'];
                    BlockTable::delete($blockId);
                    File::deleteFromBlock($blockId);
                }
            }
        }
 
        return parent::delete();
    }
}